74LVC244A; 74LVCH244A
Octal buffer/line driver; 3-state
Rev. 9 — 13 August 2018
Product data sheet
1. General description
The 74LVC244A; 74LVCH244A is an octal non-inverting buffer/line driver with 3-state outputs.
The 3-state outputs are controlled by the output enable inputs 1OE and 2OE. A HIGH on nOE
causes the outputs to assume a high-impedance OFF-state. Schmitt-trigger action at all inputs
makes the circuit highly tolerant for slower input rise and fall times.
Inputs can be driven from either 3.3 V or 5.0 V devices. In 3-state operation, outputs can handle
5 V. These features allow the use of these devices as translators in a mixed 3.3 V and 5 V
environment.
The 74LVCH244A bus hold on data inputs eliminates the need for external pull-up resistors to hold
unused inputs.
2. Features and benefits
•
•
•
•
•
•
•
•
•
•
5 V tolerant inputs/outputs for interfacing with 5 V logic
Wide supply voltage range from 1.2 V to 3.6 V
CMOS low-power consumption
Direct interface with TTL levels
Inputs accept voltages up to 5.5 V
High-impedance when VCC = 0 V
Bus hold on all data inputs (74LVCH244A only)
Complies with JEDEC standard:
• JESD8-7A (1.65 V to 1.95 V)
• JESD8-5A (2.3 V to 2.7 V)
• JESD8-C/JESD36 (2.7 V to 3.6 V)
ESD protection:
• HBM JESD22-A114F exceeds 2000 V
• MM JESD22-A115B exceeds 200 V
• CDM JESD22-C101E exceeds 1000 V
Specified from -40 °C to +85 °C and -40 °C to +125 °C
74LVC244A; 74LVCH244A
Nexperia
Octal buffer/line driver; 3-state
3. Ordering information
Table 1. Ordering information
Type number
Package
74LVC244AD
Temperature range
Name
Description
Version
-40 °C to +125 °C
SO20
plastic small outline package; 20 leads;
body width 7.5 mm
SOT163-1
-40 °C to +125 °C
SSOP20
plastic shrink small outline package; 20 leads;
body width 5.3 mm
SOT339-1
-40 °C to +125 °C
TSSOP20
plastic thin shrink small outline package; 20 leads; SOT360-1
body width 4.4 mm
-40 °C to +125 °C
DHVQFN20 plastic dual in-line compatible thermal
enhanced very thin quad flat package; no leads;
20 terminals; body 2.5 × 4.5 × 0.85 mm
74LVCH244AD
74LVC244ADB
74LVCH244ADB
74LVC244APW
74LVCH244APW
74LVC244ABQ
74LVCH244ABQ
SOT764-1
4. Functional diagram
2
4
6
1
8
EN
2
18
4
16
6
14
8
12
1
17
15
19
EN
13
11
9
13
7
15
5
17
3
11
19
1A0
1Y0
1A1
1Y1
1A2
1Y2
1A3
1Y3
IEC logic diagram
74LVC_LVCH244A
Product data sheet
16
14
12
1OE
2A0
2Y0
2A1
2Y1
2A2
2Y2
2A3
2Y3
3
5
7
9
2OE
mna873
Fig. 1.
18
mna875
Fig. 2.
Functional diagram
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Rev. 9 — 13 August 2018
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2 / 16
74LVC244A; 74LVCH244A
Nexperia
Octal buffer/line driver; 3-state
1A0
1A1
1A2
1A3
1OE
2
18
4
16
6
14
8
12
1Y0
2A0
1Y1
2A1
1Y2
2A2
1Y3
2A3
1
2OE
17
3
15
5
13
7
11
9
2Y0
2Y1
2Y2
2Y3
19
mna874
Fig. 3.
Logic symbol
5. Pinning information
5.1. Pinning
1
terminal 1
index area
1OE
1
20 VCC
2
19 2OE
2Y0
3
18 1Y0
1A1
4
17 2A0
2Y1
5
16 1Y1
1A2
6
15 2A1
2Y2
7
8
9
2
19 2OE
2Y0
3
18 1Y0
2Y3
1A1
4
17 2A0
2Y1
5
16 1Y1
1A2
6
15 2A1
2Y2
7
14 1Y2
1A3
8
13 2A2
2Y3
9
12 1Y3
GND 10
11 2A3
Pin configuration SOT163-1 (SO20),
SOT339-1 (SSOP20) and SOT360-1 (TSSOP20)
74LVC_LVCH244A
Product data sheet
14 1Y2
GND (1)
13 2A2
12 1Y3
GND 10
1A0
1A3
001aad114
Transparent top view
(1) This is not a supply pin. The substrate is
attached to this pad using conductive die attach
material. There is no electrical or mechanical
requirement to solder this pad.However, if it is
soldered, the solder land should remain floating or
be connected to GND.
001aad113
Fig. 4.
1A0
2A3 11
74LVC244A
74LVCH244A
20 VCC
1OE
74LVC244A
74LVCH244A
Fig. 5.
Pin configuration SOT764-1 (DHVQFN20)
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Rev. 9 — 13 August 2018
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Nexperia B.V. 2018. All rights reserved
3 / 16
74LVC244A; 74LVCH244A
Nexperia
Octal buffer/line driver; 3-state
5.2. Pin description
Table 2. Pin description
Symbol
Pin
Description
1OE, 2OE
1, 19
output enable input (active low)
1A0, 1A1, 1A2, 1A3
2, 4, 6, 8
data input
2Y0, 2Y1, 2Y2, 2Y3
3, 5, 7, 9
data output
GND
10
ground (0 V)
2A0, 2A1, 2A2, 2A3
17, 15, 13, 11
data input
1Y0, 1Y1, 1Y2, 1Y3,
18, 16, 14, 12
data output
VCC
20
supply voltage
6. Functional description
Table 3. Function table
H = HIGH voltage level; L = LOW voltage level; X = don’t care; Z = high-impedance OFF-state.
Control
Input
Output
nOE
nAn
nYn
L
L
L
L
H
H
H
X
Z
7. Limiting values
Table 4. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V).
Symbol Parameter
Conditions
VCC
supply voltage
IIK
input clamping current
VI
input voltage
IOK
output clamping current
VO > VCC or VO < 0 V
VO
output voltage
output HIGH or LOW
output 3-state
VI < 0 V
Min
Max
Unit
-0.5
+6.5
V
-50
-
-0.5
+6.5
V
-
±50
mA
[2]
-0.5
VCC + 0.5
V
[2]
-0.5
+6.5
V
[1]
IO
output current
-
±50
mA
ICC
supply current
-
100
mA
IGND
ground current
-100
-
mA
Tstg
storage temperature
-65
+150
°C
Ptot
total power dissipation
-
500
mW
[1]
[2]
[3]
VO = 0 V to VCC
mA
Tamb = -40 °C to +125 °C
[3]
The minimum input voltage ratings may be exceeded if the input current ratings are observed.
The output voltage ratings may be exceeded if the output current ratings are observed.
For SO20 packages: above 70 °C derate linearly with 8 mW/K.
For (T)SSOP20 packages: above 60 °C derate linearly with 5.5 mW/K.
For DHVQFN20 packages: above 60 °C derate linearly with 4.5 mW/K.
74LVC_LVCH244A
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 9 — 13 August 2018
©
Nexperia B.V. 2018. All rights reserved
4 / 16
74LVC244A; 74LVCH244A
Nexperia
Octal buffer/line driver; 3-state
8. Recommended operating conditions
Table 5. Recommended operating conditions
Symbol Parameter
VCC
Conditions
Min
Typ
Max
Unit
1.65
-
3.6
V
1.2
-
3.6
V
0
-
5.5
V
output HIGH or LOW
0
-
VCC
V
output 3-state
0
-
5.5
V
-40
-
+125
°C
supply voltage
functional
VI
input voltage
VO
output voltage
Tamb
ambient temperature
in free air
Δt/ΔV
input transition rise and fall rate
VCC = 1.2 V to 2.7 V
0
-
20
ns/V
VCC = 2.7 V to 3.6 V
0
-
10
ns/V
9. Static characteristics
Table 6. Static characteristics
At recommended operating conditions. Voltages are referenced to GND (ground = 0 V).
Symbol Parameter
VIH
VIL
VOH
VOL
Conditions
-40 °C to +85 °C
HIGH-level input VCC = 1.2 V
voltage
VCC = 1.65 V to 1.95 V
LOW-level input
voltage
HIGH-level
output voltage
Product data sheet
Min
Typ [1]
Max
Min
Max
1.08
-
-
1.08
-
V
0.65VCC
-
-
0.65VCC
-
V
VCC = 2.3 V to 2.7 V
1.7
-
-
1.7
-
V
VCC = 2.7 V to 3.6 V
2.0
-
-
2.0
-
V
VCC = 1.2 V
-
-
0.12
-
0.12
V
VCC = 1.65 V to 1.95 V
-
-
0.35 VCC
-
VCC = 2.3 V to 2.7 V
-
-
0.7
-
0.7
V
VCC = 2.7 V to 3.6 V
-
-
0.8
-
0.8
V
VCC - 0.2
-
-
VCC - 0.3
-
V
IO = -4 mA; VCC = 1.65 V
1.2
-
-
1.05
-
V
IO = -8 mA; VCC = 2.3 V
1.8
-
-
1.65
-
V
IO = -12 mA; VCC = 2.7 V
2.2
-
-
2.05
-
V
IO = -18 mA; VCC = 3.0 V
2.4
-
-
2.25
-
V
IO = -24 mA; VCC = 3.0 V
2.2
-
-
2.0
-
V
-
-
0.2
-
0.3
V
IO = 4 mA; VCC = 1.65 V
-
-
0.45
-
0.65
V
IO = 8 mA; VCC = 2.3 V
-
-
0.6
-
0.8
V
IO = 12 mA; VCC = 2.7 V
-
-
0.4
-
0.6
V
IO = 24 mA; VCC = 3.0 V
-
-
0.55
-
0.8
V
0.35 VCC V
VI = VIH or VIL
IO = -100 μA;
VCC = 1.65 V to 3.6 V
LOW-level output VI = VIH or VIL
voltage
IO = 100 μA;
VCC = 1.65 V to 3.6 V
74LVC_LVCH244A
-40 °C to +125 °C Unit
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74LVC244A; 74LVCH244A
Nexperia
Octal buffer/line driver; 3-state
Symbol Parameter
Conditions
-40 °C to +85 °C
Min
Typ [1]
Max
Min
Max
[2]
-
±0.1
±5
-
±20
μA
[2]
-
±0.1
±5
-
±20
μA
II
input leakage
current
IOZ
OFF-state output VI = VIH or VIL;
current
VO = 5.5 V or GND; VCC = 3.6 V
IOFF
power-off
leakage current
VI or VO = 5.5 V; VCC = 0.0 V
-
±0.1
±10
-
±20
μA
ICC
supply current
VI = VCC or GND; IO = 0 A;
VCC = 3.6 V
-
0.1
10
-
40
μA
ΔICC
additional supply per input pin; VI = VCC - 0.6 V;
current
IO = 0 A; VCC = 2.7 V to 3.6 V
-
5
500
-
5000
μA
CI
input
capacitance
-
4.0
-
-
-
pF
IBHL
bus hold LOW
current
10
-
-
10
-
μA
VCC = 2.3 V; VI = 0.7 V
30
-
-
25
-
μA
VCC = 3.0 V; VI = 0.8 V
75
-
-
60
-
μA
-10
-
-
-10
-
μA
VCC = 2.3 V; VI = 1.7 V
-30
-
-
-25
-
μA
VCC = 3.0 V; VI = 2.0 V
-75
-
-
-60
-
μA
200
-
-
200
-
μA
300
-
-
300
-
μA
500
-
-
500
-
μA
-200
-
-
-200
-
μA
-300
-
-
-300
-
μA
-500
-
-
-500
-
μA
IBHH
IBHLO
bus hold HIGH
current
VI = 5.5 V or GND; VCC = 3.6 V
-40 °C to +125 °C Unit
VCC = 1.65 V; VI = 0.58 V
VCC = 1.65 V; VI = 1.07 V
VCC = 1.95 V
bus hold LOW
overdrive current V = 2.7 V
CC
[3][4]
[3][4]
[3][5]
VCC = 3.6 V
IBHHO
VCC = 1.95 V
bus hold HIGH
overdrive current V = 2.7 V
CC
VCC = 3.6 V
[1]
[2]
[3]
[4]
[5]
[3][5]
All typical values are measured at VCC = 3.3 V (unless stated otherwise) and Tamb = 25 °C.
The bus hold circuit is switched off when VI > VCC allowing 5.5 V on the input terminal.
Valid for data inputs of bus hold parts only (74LVCH244A). Note that control inputs do not have a bus hold circuit.
The specified sustaining current at the data input holds the input below the specified VI level.
The specified overdrive current at the data input forces the data input to the opposite input state.
74LVC_LVCH244A
Product data sheet
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74LVC244A; 74LVCH244A
Nexperia
Octal buffer/line driver; 3-state
10. Dynamic characteristics
Table 7. Dynamic characteristics
Voltages are referenced to GND (ground = 0 V). For test circuit see Fig. 8.
Symbol Parameter
tpd
propagation delay
Conditions
-40 °C to +85 °C
nAn to nYn; see Fig. 6
enable time
output skew time
CPD
power dissipation
capacitance
[1]
[2]
[3]
[4]
Max
-
17.0
-
-
-
ns
6.4
13.7
1.5
15.8
ns
VCC = 2.3 V to 2.7 V
1.0
3.4
7.1
1.0
8.2
ns
VCC = 2.7 V
1.5
3.4
6.9
1.5
9.0
ns
VCC = 3.0 V to 3.6 V
1.5
2.9
5.9
1.5
7.5
ns
-
24.0
-
-
-
ns
VCC = 1.65 V to 1.95 V
1.5
7.0
17.3
1.5
20.0
ns
VCC = 2.3 V to 2.7 V
1.5
3.9
9.5
1.5
11.0
ns
VCC = 2.7 V
1.5
4.1
8.6
1.5
11.0
ns
1.0
3.2
7.6
1.0
9.5
ns
-
9.0
-
-
-
ns
VCC = 1.65 V to 1.95 V
2.2
4.5
9.8
2.2
11.3
ns
VCC = 2.3 V to 2.7 V
0.5
3.6
5.5
0.5
6.4
ns
VCC = 2.7 V
1.5
3.3
6.8
1.5
8.5
ns
VCC = 3.0 V to 3.6 V
1.5
3.1
5.8
1.5
7.5
ns
-
-
1.0
-
1.5
ns
VCC = 1.65 V to 1.95 V
-
6.4
-
-
-
pF
VCC = 2.3 V to 2.7 V
-
9.6
-
-
-
pF
VCC = 3.0 V to 3.6 V
-
12.5
-
-
-
pF
nOE to nYn; see Fig. 7
[2]
nOE to nYn; see Fig. 7
[2]
VCC = 1.2 V
tsk(o)
Min
1.5
VCC = 3.0 V to 3.6 V
disable time
Max
VCC = 1.65 V to 1.95 V
VCC = 1.2 V
tdis
Typ [1]
[2]
VCC = 1.2 V
ten
Min
-40 °C to +125 °C Unit
[3]
per input; VI = GND to VCC
[4]
Typical values are measured at Tamb = 25 °C and VCC = 1.2 V, 1.8 V, 2.5 V, 2.7 V, and 3.3 V respectively.
tpd is the same as tPLH and tPHL.
ten is the same as tPZL and tPZH.
tdis is the same as tPLZ and tPHZ.
Skew between any two outputs of the same package switching in the same direction. This parameter is guaranteed by design.
CPD is used to determine the dynamic power dissipation (PD in μW).
2
2
PD = CPD × VCC × fi × N + Σ(CL × VCC × fo) where:
fi = input frequency in MHz; fo = output frequency in MHz
CL = output load capacitance in pF
VCC = supply voltage in Volts
N = number of inputs switching
2
Σ(CL × VCC × fo) = sum of the outputs.
74LVC_LVCH244A
Product data sheet
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Rev. 9 — 13 August 2018
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Nexperia B.V. 2018. All rights reserved
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74LVC244A; 74LVCH244A
Nexperia
Octal buffer/line driver; 3-state
10.1. Waveforms and test circuit
VI
nAn input
VM
VM
GND
tPLH
tPHL
VOH
VM
nYn output
VM
VOL
mna171
Measurement points are given in Table 8.
Logic levels: VOL and VOH are typical output voltage levels that occur with the output load.
Fig. 6.
The input (nAn) to output (nYn) propagation delays
VI
nOE input
VM
GND
tPLZ
tPZL
VCC
output
LOW-to-OFF
OFF-to-LOW
VM
VX
VOL
tPHZ
VOH
tPZH
VY
output
HIGH-to-OFF
OFF-to-HIGH
GND
VM
outputs
enabled
outputs
enabled
outputs
disabled
mna362
Measurement points are given in Table 8.
Logic levels: VOL and VOH are typical output voltage levels that occur with the output load.
Fig. 7.
3-state enable and disable times
Table 8. Measurement points
Supply voltage
Input
Output
VCC
VI
VM
VM
VX
VY
1.2 V
VCC
0.5 × VCC
0.5 × VCC
VOL + 0.15 V
VOH - 0.15 V
1.65 V to 1.95 V
VCC
0.5 × VCC
0.5 × VCC
VOL + 0.15 V
VOH - 0.15 V
2.3 V to 2.7 V
VCC
0.5 × VCC
0.5 × VCC
VOL + 0.15 V
VOH - 0.15 V
2.7 V
2.7 V
1.5 V
1.5 V
VOL + 0.3 V
VOH - 0.3 V
3.0 V to 3.6 V
2.7 V
1.5 V
1.5 V
VOL + 0.3 V
VOH - 0.3 V
74LVC_LVCH244A
Product data sheet
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Rev. 9 — 13 August 2018
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Nexperia B.V. 2018. All rights reserved
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74LVC244A; 74LVCH244A
Nexperia
Octal buffer/line driver; 3-state
tW
VI
90 %
negative
pulse
VM
VM
10 %
0V
VI
tf
tr
tr
tf
90 %
positive
pulse
VM
VM
10 %
0V
tW
VEXT
VCC
G
VI
RL
VO
DUT
RT
CL
RL
001aae331
Test data is given in Table 9.
Definitions for test circuit:
RL = Load resistance.
CL = Load capacitance including jig and probe capacitance.
RT = Termination resistance should be equal to output impedance Zo of the pulse generator.
VEXT = External voltage for measuring switching times.
Fig. 8.
Test circuit for measuring switching times
Table 9. Test data
Supply voltage
Input
Load
VEXT
VI
tr, tf
CL
RL
tPLH, tPHL
tPLZ, tPZL
tPHZ, tPZH
1.2 V
VCC
≤ 2 ns
30 pF
1 kΩ
open
2 × VCC
GND
1.65 V to 1.95 V
VCC
≤ 2 ns
30 pF
1 kΩ
open
2 × VCC
GND
2.3 V to 2.7 V
VCC
≤ 2 ns
30 pF
500 Ω
open
2 × VCC
GND
2.7 V
2.7 V
≤ 2.5 ns
50 pF
500 Ω
open
2 × VCC
GND
3.0 V to 3.6 V
2.7 V
≤ 2.5 ns
50 pF
500 Ω
open
2 × VCC
GND
74LVC_LVCH244A
Product data sheet
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Rev. 9 — 13 August 2018
©
Nexperia B.V. 2018. All rights reserved
9 / 16
74LVC244A; 74LVCH244A
Nexperia
Octal buffer/line driver; 3-state
11. Package outline
SO20: plastic small outline package; 20 leads; body width 7.5 mm
SOT163-1
D
E
A
X
c
y
HE
v M A
Z
20
11
Q
A2
A
(A 3 )
A1
pin 1 index
θ
Lp
L
1
10
e
detail X
w M
bp
0
5
10 mm
scale
DIMENSIONS (inch dimensions are derived from the original mm dimensions)
UNIT
A
max.
A1
A2
A3
bp
c
D (1)
E (1)
e
HE
L
Lp
Q
v
w
y
mm
2.65
0.3
0.1
2.45
2.25
0.25
0.49
0.36
0.32
0.23
13.0
12.6
7.6
7.4
1.27
10.65
10.00
1.4
1.1
0.4
1.1
1.0
0.25
0.25
0.1
0.9
0.4
inches
0.1
0.012 0.096
0.004 0.089
0.01
0.019 0.013
0.014 0.009
0.51
0.49
0.30
0.29
0.05
0.419
0.043
0.055
0.394
0.016
0.043
0.039
0.01
0.01
0.004
0.035
0.016
Z
(1)
θ
o
8
o
0
Note
1. Plastic or metal protrusions of 0.15 mm (0.006 inch) maximum per side are not included.
Fig. 9.
REFERENCES
OUTLINE
VERSION
IEC
JEDEC
SOT163-1
075E04
MS-013
JEITA
EUROPEAN
PROJECTION
ISSUE DATE
99-12-27
03-02-19
Package outline SOT163-1 (SO20)
74LVC_LVCH244A
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 9 — 13 August 2018
©
Nexperia B.V. 2018. All rights reserved
10 / 16
74LVC244A; 74LVCH244A
Nexperia
Octal buffer/line driver; 3-state
SSOP20: plastic shrink small outline package; 20 leads; body width 5.3 mm
D
SOT339-1
E
A
X
c
HE
y
v M A
Z
20
11
Q
A2
pin 1 index
A
(A 3)
A1
θ
Lp
L
1
10
bp
e
detail X
w M
0
2.5
5 mm
scale
DIMENSIONS (mm are the original dimensions)
UNIT
A
max.
A1
A2
A3
bp
c
D (1)
E (1)
e
HE
L
Lp
Q
v
w
y
Z (1)
θ
mm
2
0.21
0.05
1.80
1.65
0.25
0.38
0.25
0.20
0.09
7.4
7.0
5.4
5.2
0.65
7.9
7.6
1.25
1.03
0.63
0.9
0.7
0.2
0.13
0.1
0.9
0.5
8o
0o
Note
1. Plastic or metal protrusions of 0.2 mm maximum per side are not included.
OUTLINE
VERSION
SOT339-1
REFERENCES
IEC
JEDEC
JEITA
EUROPEAN
PROJECTION
ISSUE DATE
99-12-27
03-02-19
MO-150
Fig. 10. Package outline SOT339-1 (SSOP20)
74LVC_LVCH244A
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 9 — 13 August 2018
©
Nexperia B.V. 2018. All rights reserved
11 / 16
74LVC244A; 74LVCH244A
Nexperia
Octal buffer/line driver; 3-state
TSSOP20: plastic thin shrink small outline package; 20 leads; body width 4.4 mm
D
SOT360-1
E
A
X
c
HE
y
v M A
Z
11
20
Q
A2
pin 1 index
(A 3 )
A1
A
θ
Lp
1
L
10
detail X
w M
bp
e
0
2.5
5 mm
scale
DIMENSIONS (mm are the original dimensions)
UNIT
A
max.
A1
A2
A3
bp
c
D (1)
E (2)
e
HE
L
Lp
Q
v
w
y
Z (1)
θ
mm
1.1
0.15
0.05
0.95
0.80
0.25
0.30
0.19
0.2
0.1
6.6
6.4
4.5
4.3
0.65
6.6
6.2
1
0.75
0.50
0.4
0.3
0.2
0.13
0.1
0.5
0.2
8o
0o
Notes
1. Plastic or metal protrusions of 0.15 mm maximum per side are not included.
2. Plastic interlead protrusions of 0.25 mm maximum per side are not included.
OUTLINE
VERSION
SOT360-1
REFERENCES
IEC
JEDEC
JEITA
EUROPEAN
PROJECTION
ISSUE DATE
99-12-27
03-02-19
MO-153
Fig. 11. Package outline SOT360-1 (TSSOP20)
74LVC_LVCH244A
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 9 — 13 August 2018
©
Nexperia B.V. 2018. All rights reserved
12 / 16
74LVC244A; 74LVCH244A
Nexperia
Octal buffer/line driver; 3-state
DHVQFN20: plastic dual in-line compatible thermal enhanced very thin quad flat package; no leads;
20 terminals; body 2.5 x 4.5 x 0.85 mm
B
D
SOT764-1
A
A
A1
E
c
detail X
terminal 1
index area
terminal 1
index area
e1
C
e
b
2
9
v
w
C A B
C
y1 C
y
L
1
10
Eh
e
20
11
19
12
X
Dh
0
2.5
5 mm
scale
Dimensions (mm are the original dimensions)
Unit
mm
A(1)
A1
b
max 1.00 0.05 0.30
nom 0.90 0.02 0.25
min 0.80 0.00 0.18
c
D(1)
Dh
E(1)
Eh
e
e1
L
v
0.2
4.6
4.5
4.4
3.15
3.00
2.85
2.6
2.5
2.4
1.15
1.00
0.85
0.5
3.5
0.5
0.4
0.3
0.1
w
y
0.05 0.05
y1
0.1
Note
1. Plastic or metal protrusions of 0.075 mm maximum per side are not included.
References
Outline
version
IEC
JEDEC
JEITA
SOT764-1
---
MO-241
---
sot764-1_po
European
projection
Issue date
03-01-27
14-12-12
Fig. 12. Package outline SOT764-1 (DHVQFN20)
74LVC_LVCH244A
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 9 — 13 August 2018
©
Nexperia B.V. 2018. All rights reserved
13 / 16
74LVC244A; 74LVCH244A
Nexperia
Octal buffer/line driver; 3-state
12. Abbreviations
Table 10. Abbreviations
Acronym
Description
CDM
Charged Device Model
CMOS
Complementary Metal-Oxide Semiconductor
DUT
Device Under Test
ESD
ElectroStatic Discharge
HBM
Human Body Model
MM
Machine Model
TTL
Transistor-Transistor Logic
13. Revision history
Table 11. Revision history
Document ID
Release date Data sheet status
Change notice Supersedes
74LVC_LVCH244A v.9
20180813
-
Modifications:
•
•
•
74LVC_LVCH244A v.8
The format of this data sheet has been redesigned to comply with the identity
guidelines of Nexperia.
Legal texts have been adapted to the new company name where appropriate.
Type numbers 74LVC244ABX and 74LVCH244ABX (SOT1045-2) removed.
74LVC_LVCH244A v.8
20130626
Modifications:
•
74LVC_LVCH244A v.7
20111122
Modifications:
•
•
•
Product data sheet
Product data sheet
-
74LVC_LVCH244A v.7
For type numbers 74LVC244ABX and 74LVCH244ABX DHXQFN20U (SOT1045-1)
has changed to DHXQFN20 (SOT1045-2).
Product data sheet
-
74LVC_LVCH244A v.6
The format of this document has been redesigned to comply with the new identity
guidelines of NXP Semiconductors.
Legal texts have been adapted to the new company name where appropriate.
Table 4, Table 5, Table 6, Table 7, Table 8 and Table 9: values added for lower
voltage ranges.
74LVC_LVCH244A v.6
20090813
Product data sheet
-
74LVC_LVCH244A v.5
74LVC_LVCH244A v.5
20090709
Product data sheet
-
74LVC_LVCH244A v.4
74LVC_LVCH244A v.4
20031030
Product specification
-
74LVC_LVCH244A v.3
74LVC_LVCH244A v.3
20030520
Product specification
-
74LVC_H244A v.2
74LVC_H244A v.2
19980520
Product specification
-
74LVC244A_74LVCH244A v.1
74LVC244A_74LVCH244A v.1
19960906
Product specification
-
-
74LVC_LVCH244A
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 9 — 13 August 2018
©
Nexperia B.V. 2018. All rights reserved
14 / 16
74LVC244A; 74LVCH244A
Nexperia
Octal buffer/line driver; 3-state
14. Legal information
injury, death or severe property or environmental damage. Nexperia and its
suppliers accept no liability for inclusion and/or use of Nexperia products in
such equipment or applications and therefore such inclusion and/or use is at
the customer’s own risk.
Data sheet status
Quick reference data — The Quick reference data is an extract of the
product data given in the Limiting values and Characteristics sections of this
document, and as such is not complete, exhaustive or legally binding.
Document status
[1][2]
Product
status [3]
Definition
Objective [short]
data sheet
Development
This document contains data from
the objective specification for
product development.
Preliminary [short]
data sheet
Qualification
This document contains data from
the preliminary specification.
Product [short]
data sheet
Production
This document contains the product
specification.
[1]
[2]
[3]
Please consult the most recently issued document before initiating or
completing a design.
The term 'short data sheet' is explained in section "Definitions".
The product status of device(s) described in this document may have
changed since this document was published and may differ in case of
multiple devices. The latest product status information is available on
the internet at https://www.nexperia.com.
Definitions
Draft — The document is a draft version only. The content is still under
internal review and subject to formal approval, which may result in
modifications or additions. Nexperia does not give any representations or
warranties as to the accuracy or completeness of information included herein
and shall have no liability for the consequences of use of such information.
Short data sheet — A short data sheet is an extract from a full data sheet
with the same product type number(s) and title. A short data sheet is
intended for quick reference only and should not be relied upon to contain
detailed and full information. For detailed and full information see the relevant
full data sheet, which is available on request via the local Nexperia sales
office. In case of any inconsistency or conflict with the short data sheet, the
full data sheet shall prevail.
Product specification — The information and data provided in a Product
data sheet shall define the specification of the product as agreed between
Nexperia and its customer, unless Nexperia and customer have explicitly
agreed otherwise in writing. In no event however, shall an agreement be
valid in which the Nexperia product is deemed to offer functions and qualities
beyond those described in the Product data sheet.
Disclaimers
Limited warranty and liability — Information in this document is believed
to be accurate and reliable. However, Nexperia does not give any
representations or warranties, expressed or implied, as to the accuracy
or completeness of such information and shall have no liability for the
consequences of use of such information. Nexperia takes no responsibility
for the content in this document if provided by an information source outside
of Nexperia.
In no event shall Nexperia be liable for any indirect, incidental, punitive,
special or consequential damages (including - without limitation - lost
profits, lost savings, business interruption, costs related to the removal
or replacement of any products or rework charges) whether or not such
damages are based on tort (including negligence), warranty, breach of
contract or any other legal theory.
Notwithstanding any damages that customer might incur for any reason
whatsoever, Nexperia’s aggregate and cumulative liability towards customer
for the products described herein shall be limited in accordance with the
Terms and conditions of commercial sale of Nexperia.
Right to make changes — Nexperia reserves the right to make changes
to information published in this document, including without limitation
specifications and product descriptions, at any time and without notice. This
document supersedes and replaces all information supplied prior to the
publication hereof.
Suitability for use — Nexperia products are not designed, authorized or
warranted to be suitable for use in life support, life-critical or safety-critical
systems or equipment, nor in applications where failure or malfunction
of an Nexperia product can reasonably be expected to result in personal
74LVC_LVCH244A
Product data sheet
Applications — Applications that are described herein for any of these
products are for illustrative purposes only. Nexperia makes no representation
or warranty that such applications will be suitable for the specified use
without further testing or modification.
Customers are responsible for the design and operation of their applications
and products using Nexperia products, and Nexperia accepts no liability for
any assistance with applications or customer product design. It is customer’s
sole responsibility to determine whether the Nexperia product is suitable
and fit for the customer’s applications and products planned, as well as
for the planned application and use of customer’s third party customer(s).
Customers should provide appropriate design and operating safeguards to
minimize the risks associated with their applications and products.
Nexperia does not accept any liability related to any default, damage, costs
or problem which is based on any weakness or default in the customer’s
applications or products, or the application or use by customer’s third party
customer(s). Customer is responsible for doing all necessary testing for the
customer’s applications and products using Nexperia products in order to
avoid a default of the applications and the products or of the application or
use by customer’s third party customer(s). Nexperia does not accept any
liability in this respect.
Limiting values — Stress above one or more limiting values (as defined in
the Absolute Maximum Ratings System of IEC 60134) will cause permanent
damage to the device. Limiting values are stress ratings only and (proper)
operation of the device at these or any other conditions above those
given in the Recommended operating conditions section (if present) or the
Characteristics sections of this document is not warranted. Constant or
repeated exposure to limiting values will permanently and irreversibly affect
the quality and reliability of the device.
Terms and conditions of commercial sale — Nexperia products are
sold subject to the general terms and conditions of commercial sale, as
published at http://www.nexperia.com/profile/terms, unless otherwise agreed
in a valid written individual agreement. In case an individual agreement is
concluded only the terms and conditions of the respective agreement shall
apply. Nexperia hereby expressly objects to applying the customer’s general
terms and conditions with regard to the purchase of Nexperia products by
customer.
No offer to sell or license — Nothing in this document may be interpreted
or construed as an offer to sell products that is open for acceptance or the
grant, conveyance or implication of any license under any copyrights, patents
or other industrial or intellectual property rights.
Export control — This document as well as the item(s) described herein
may be subject to export control regulations. Export might require a prior
authorization from competent authorities.
Non-automotive qualified products — Unless this data sheet expressly
states that this specific Nexperia product is automotive qualified, the
product is not suitable for automotive use. It is neither qualified nor tested in
accordance with automotive testing or application requirements. Nexperia
accepts no liability for inclusion and/or use of non-automotive qualified
products in automotive equipment or applications.
In the event that customer uses the product for design-in and use in
automotive applications to automotive specifications and standards,
customer (a) shall use the product without Nexperia’s warranty of the
product for such automotive applications, use and specifications, and (b)
whenever customer uses the product for automotive applications beyond
Nexperia’s specifications such use shall be solely at customer’s own risk,
and (c) customer fully indemnifies Nexperia for any liability, damages or failed
product claims resulting from customer design and use of the product for
automotive applications beyond Nexperia’s standard warranty and Nexperia’s
product specifications.
Translations — A non-English (translated) version of a document is for
reference only. The English version shall prevail in case of any discrepancy
between the translated and English versions.
Trademarks
Notice: All referenced brands, product names, service names and
trademarks are the property of their respective owners.
All information provided in this document is subject to legal disclaimers.
Rev. 9 — 13 August 2018
©
Nexperia B.V. 2018. All rights reserved
15 / 16
74LVC244A; 74LVCH244A
Nexperia
Octal buffer/line driver; 3-state
Contents
1. General description...................................................... 1
2. Features and benefits.................................................. 1
3. Ordering information....................................................2
4. Functional diagram.......................................................2
5. Pinning information......................................................3
5.1. Pinning.........................................................................3
5.2. Pin description............................................................. 4
6. Functional description................................................. 4
7. Limiting values............................................................. 4
8. Recommended operating conditions..........................5
9. Static characteristics....................................................5
10. Dynamic characteristics............................................ 7
10.1. Waveforms and test circuit........................................ 8
11. Package outline........................................................ 10
12. Abbreviations............................................................ 14
13. Revision history........................................................14
14. Legal information......................................................15
©
Nexperia B.V. 2018. All rights reserved
For more information, please visit: http://www.nexperia.com
For sales office addresses, please send an email to: salesaddresses@nexperia.com
Date of release: 13 August 2018
74LVC_LVCH244A
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 9 — 13 August 2018
©
Nexperia B.V. 2018. All rights reserved
16 / 16
Mouser Electronics
Authorized Distributor
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74LVC244APW,112 74LVC244APW,118 74LVCH244ABQ,115 74LVCH244AD,112 74LVCH244ADB,112
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