74LVC1G126
Bus buffer/line driver; 3-state
Rev. 13 — 2 December 2016
Product data sheet
1. General description
The 74LVC1G126 provides one non-inverting buffer/line driver with 3-state output. The
3-state output is controlled by the output enable input (OE). A LOW-level at pin OE
causes the output to assume a high-impedance OFF-state.
The input can be driven from either 3.3 V or 5 V devices. This feature allows the use of
this device in a mixed 3.3 V and 5 V environment.
This device is fully specified for partial power-down applications using IOFF. The IOFF
circuitry disables the output, preventing the damaging backflow current through the device
when it is powered down.
2. Features and benefits
Wide supply voltage range from 1.65 V to 5.5 V
High noise immunity
Complies with JEDEC standard:
JESD8-7 (1.65 V to 1.95 V)
JESD8-5 (2.3 V to 2.7 V)
JESD8B/JESD36 (2.7 V to 3.6 V)
24 mA output drive (VCC = 3.0 V)
ESD protection:
HBM JESD22-A114F exceeds 2000 V
MM JESD22-A115-A exceeds 200 V
CMOS low power consumption
Inputs accept voltages up to 5 V
Latch-up performance exceeds 250 mA
Direct interface with TTL levels
Multiple package options
Specified from 40 C to +85 C and 40 C to +125 C
74LVC1G126
Nexperia
Bus buffer/line driver; 3-state
3. Ordering information
Table 1.
Ordering information
Type number
Package
Temperature range
Name
Description
Version
74LVC1G126GW
40 C to +125 C
TSSOP5
plastic thin shrink small outline package;
5 leads; body width 1.25 mm
SOT353-1
74LVC1G126GV
40 C to +125 C
SC-74A
plastic surface-mounted package; 5 leads
SOT753
74LVC1G126GM
40 C to +125 C
XSON6
plastic extremely thin small outline package;
no leads; 6 terminals; body 1 1.45 0.5 mm
SOT886
74LVC1G126GF
40 C to +125 C
XSON6
plastic extremely thin small outline package;
no leads; 6 terminals; body 1 1 0.5 mm
SOT891
74LVC1G126GN
40 C to +125 C
XSON6
extremely thin small outline package; no leads; SOT1115
6 terminals; body 0.9 1.0 0.35 mm
74LVC1G126GS
40 C to +125 C
XSON6
extremely thin small outline package; no leads; SOT1202
6 terminals; body 1.0 1.0 0.35 mm
74LVC1G126GX
40 C to +125 C
X2SON5
X2SON5: plastic thermal enhanced extremely
thin small outline package; no leads; 5
terminals; body 0.8 0.8 0.35 mm
SOT1226
4. Marking
Table 2.
Marking codes
Type number
Marking[1]
74LVC1G126GW
VN
74LVC1G126GV
V26
74LVC1G126GM
VN
74LVC1G126GF
VN
74LVC1G126GN
VN
74LVC1G126GS
VN
74LVC1G126GX
VN
[1]
The pin 1 indicator is located on the lower left corner of the device, below the marking code.
5. Functional diagram
$
<
2(
Logic symbol
74LVC1G126
Product data sheet
2(
2(
PQD
PQD
Fig 1.
<
$
Fig 2.
IEC logic symbol
All information provided in this document is subject to legal disclaimers.
Rev. 13 — 2 December 2016
PQD
Fig 3.
Logic diagram
©
Nexperia B.V. 2017. All rights reserved
2 of 21
74LVC1G126
Nexperia
Bus buffer/line driver; 3-state
6. Pinning information
6.1 Pinning
/9&*
/9&*
2(
$
*1'
9&&
<
2(
9&&
$
QF
*1'
<
DDI
7UDQVSDUHQWWRSYLHZ
DDI
Fig 4.
Pin configuration SOT353-1 and SOT753
Fig 5.
Pin configuration SOT886
/9&*
/9&*
2(
2(
9&&
$
QF
*1'
<
9&&
<
*1'
$
DDI
DDD
7UDQVSDUHQWWRSYLHZ
7UDQVSDUHQWWRSYLHZ
Fig 6.
Pin configuration SOT891, SOT1115 and
SOT1202
Fig 7.
Pin configuration SOT1226 (X2SON5)
6.2 Pin description
Table 3.
Pin description
Symbol
Pin
Description
TSSOP5 and X2SON5
XSON6
OE
1
1
output enable input
A
2
2
data input
GND
3
3
ground (0 V)
Y
4
4
data output
n.c.
-
5
not connected
VCC
5
6
supply voltage
74LVC1G126
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 13 — 2 December 2016
©
Nexperia B.V. 2017. All rights reserved
3 of 21
74LVC1G126
Nexperia
Bus buffer/line driver; 3-state
7. Functional description
Table 4.
Function table[1]
Input
Output
OE
A
Y
H
L
L
H
H
H
L
X
Z
[1]
H = HIGH voltage level;
L = LOW voltage level;
X = don’t care;
Z = high-impedance OFF-state.
8. Limiting values
Table 5.
Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V).
Symbol
Parameter
VCC
supply voltage
IIK
input clamping current
VI
input voltage
IOK
output clamping current
output voltage
VO
IO
output current
ICC
supply current
IGND
ground current
Ptot
total power dissipation
Tstg
storage temperature
Conditions
VI < 0 V
[1]
Min
Max
Unit
0.5
+6.5
V
50
-
0.5
+6.5
V
mA
-
50
Active mode
[1][2]
0.5
VCC + 0.5
V
Power-down mode
[1][2]
0.5
+6.5
V
-
50
mA
-
100
mA
100
-
mA
-
250
mW
65
+150
C
VO > VCC or VO < 0 V
VO = 0 V to VCC
Tamb = 40 C to +125 C
[3]
[1]
The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
[2]
When VCC = 0 V (Power-down mode), the output voltage can be 5.5 V in normal operation.
[3]
mA
For TSSOP5 and SC-74A packages: above 87.5 C the value of Ptot derates linearly with 4.0 mW/K.
For XSON6 and X2SON5 package: above 118 C the value of Ptot derates linearly with 7.8 mW/K.
74LVC1G126
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 13 — 2 December 2016
©
Nexperia B.V. 2017. All rights reserved
4 of 21
74LVC1G126
Nexperia
Bus buffer/line driver; 3-state
9. Recommended operating conditions
Table 6.
Recommended operating conditions
Symbol
Parameter
VCC
supply voltage
VI
input voltage
VO
output voltage
Conditions
Tamb
ambient temperature
t/V
input transition rise and fall rate
74LVC1G126
Product data sheet
Min
Typ
Max
Unit
1.65
-
5.5
V
0
-
5.5
V
Active mode
0
-
VCC
V
VCC = 0 V; Power-down mode
0
-
5.5
V
40
-
+125
C
VCC = 1.65 V to 2.7 V
-
-
20
ns/V
VCC = 2.7 V to 5.5 V
-
-
10
ns/V
All information provided in this document is subject to legal disclaimers.
Rev. 13 — 2 December 2016
©
Nexperia B.V. 2017. All rights reserved
5 of 21
74LVC1G126
Nexperia
Bus buffer/line driver; 3-state
10. Static characteristics
Table 7.
Static characteristics
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter
Conditions
Min
Typ[1]
Max
Unit
Tamb = 40 C to +85 C
VIH
VIL
VOL
VOH
HIGH-level input voltage
LOW-level input voltage
LOW-level output voltage
0.65 VCC
-
-
V
VCC = 2.3 V to 2.7 V
1.7
-
-
V
VCC = 2.7 V to 3.6 V
2.0
-
-
V
VCC = 4.5 V to 5.5 V
0.7 VCC
-
-
V
VCC = 1.65 V to 1.95 V
0.35 VCC V
VCC = 1.65 V to 1.95 V
-
-
VCC = 2.3 V to 2.7 V
-
-
0.7
V
VCC = 2.7 V to 3.6 V
-
-
0.8
V
VCC = 4.5 V to 5.5 V
-
-
VCC = 1.65 V to 5.5 V; IO = 100 A
-
-
0.1
V
VCC = 1.65 V; IO = 4 mA
-
-
0.45
V
VCC = 2.3 V; IO = 8 mA
-
-
0.3
V
0.3 VCC V
VI = VIH or VIL
VCC = 2.7 V; IO = 12 mA
-
-
0.4
V
VCC = 3.0 V; IO = 24 mA
-
-
0.55
V
VCC = 4.5 V; IO = 32 mA
-
-
0.55
V
HIGH-level output voltage VI = VIH or VIL
VCC = 1.65 V to 5.5 V; IO = 100 A
VCC 0.1
-
-
V
VCC = 1.65 V; IO = 4 mA
1.2
-
-
V
VCC = 2.3 V; IO = 8 mA
1.9
-
-
V
VCC = 2.7 V; IO = 12 mA
2.2
-
-
V
VCC = 3.0 V; IO = 24 mA
2.3
-
-
V
VCC = 4.5 V; IO = 32 mA
3.8
-
-
V
II
input leakage current
VCC = 0 V to 5.5 V; VI = 5.5 V or GND
-
0.1
1
A
IOZ
OFF-state output current
VCC = 3.6 V; VI = VIH or VIL;
VO = 5.5 V or GND
-
0.1
2
A
IOFF
power-off leakage current VCC = 0 V; VI or VO = 5.5 V
-
0.1
2
A
ICC
supply current
VI = 5.5 V or GND;
VCC = 1.65 V to 5.5 V; IO = 0 A
-
0.1
4
A
ICC
additional supply current
per pin; VCC = 2.3 V to 5.5 V;
VI = VCC 0.6 V; IO = 0 A
-
5
500
A
CI
input capacitance
-
5
-
pF
74LVC1G126
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 13 — 2 December 2016
©
Nexperia B.V. 2017. All rights reserved
6 of 21
74LVC1G126
Nexperia
Bus buffer/line driver; 3-state
Table 7.
Static characteristics …continued
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter
Conditions
Min
Typ[1]
Max
0.65 VCC
-
-
V
Unit
Tamb = 40 C to +125 C
HIGH-level input voltage
VIH
LOW-level input voltage
VIL
LOW-level output voltage
VOL
VOH
VCC = 1.65 V to 1.95 V
VCC = 2.3 V to 2.7 V
1.7
-
-
V
VCC = 2.7 V to 3.6 V
2.0
-
-
V
VCC = 4.5 V to 5.5 V
0.7 VCC
-
-
V
VCC = 1.65 V to 1.95 V
-
-
VCC = 2.3 V to 2.7 V
-
-
0.7
V
VCC = 2.7 V to 3.6 V
-
-
0.8
V
VCC = 4.5 V to 5.5 V
-
-
0.35 VCC V
0.3 VCC V
VI = VIH or VIL
VCC = 1.65 V to 5.5 V; IO = 100 A
-
-
0.1
V
VCC = 1.65 V; IO = 4 mA
-
-
0.70
V
VCC = 2.3 V; IO = 8 mA
-
-
0.45
V
VCC = 2.7 V; IO = 12 mA
-
-
0.60
V
VCC = 3.0 V; IO = 24 mA
-
-
0.80
V
VCC = 4.5 V; IO = 32 mA
-
-
0.80
V
VCC 0.1
-
-
V
HIGH-level output voltage VI = VIH or VIL
VCC = 1.65 V to 5.5 V; IO = 100 A
VCC = 1.65 V; IO = 4 mA
0.95
-
-
V
VCC = 2.3 V; IO = 8 mA
1.7
-
-
V
VCC = 2.7 V; IO = 12 mA
1.9
-
-
V
VCC = 3.0 V; IO = 24 mA
2.0
-
-
V
VCC = 4.5 V; IO = 32 mA
3.4
-
-
V
II
input leakage current
VCC = 0 V to 5.5 V; VI = 5.5 V or GND
-
-
1
A
IOZ
OFF-state output current
VCC = 3.6 V; VI = VIH or VIL;
VO = 5.5 V or GND
-
-
2
A
IOFF
power-off leakage current VCC = 0 V; VI or VO = 5.5 V
-
-
2
A
ICC
supply current
VI = 5.5 V or GND;
VCC = 1.65 V to 5.5 V; IO = 0 A
-
-
4
A
ICC
additional supply current
per pin; VCC = 2.3 V to 5.5 V;
VI = VCC 0.6 V; IO = 0 A
-
-
500
A
[1]
All typical values are measured at VCC = 3.3 V and Tamb = 25 C.
74LVC1G126
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 13 — 2 December 2016
©
Nexperia B.V. 2017. All rights reserved
7 of 21
74LVC1G126
Nexperia
Bus buffer/line driver; 3-state
11. Dynamic characteristics
Table 8.
Dynamic characteristics
Voltages are referenced to GND (ground = 0 V). For test circuit see Figure 10.
Symbol Parameter
propagation delay
tpd
enable time
ten
40 C to +85 C
Conditions
Min
Max
Min
Max
VCC = 1.65 V to 1.95 V
1.0
3
8.0
1.0
10.5
ns
VCC = 2.3 V to 2.7 V
0.5
2.1
5.5
0.5
7
ns
VCC = 2.7 V
0.5
2.3
5.5
0.5
7
ns
VCC = 3.0 V to 3.6 V
0.5
2.0
4.5
0.5
6
ns
VCC = 4.5 V to 5.5 V
0.5
1.7
4.0
0.5
5.5
ns
1.0
3.2
9.4
1.0
12
ns
A to Y; see Figure 8
OE to Y; see Figure 9
[2]
[3]
VCC = 1.65 V to 1.95 V
VCC = 2.3 V to 2.7 V
0.5
2.2
6.6
0.5
8.5
ns
VCC = 2.7 V
0.5
2.4
6.6
0.5
8.5
ns
VCC = 3.0 V to 3.6 V
0.5
2.1
5.3
0.5
7
ns
0.5
1.6
5.0
0.5
6.5
ns
VCC = 1.65 V to 1.95 V
1.0
4.3
9.2
1.0
12
ns
VCC = 2.3 V to 2.7 V
0.5
2.7
5.5
0.5
7
ns
VCC = 2.7 V
0.5
3.4
5.5
0.5
7
ns
VCC = 3.0 V to 3.6 V
0.5
3.0
5.5
0.5
7
ns
VCC = 4.5 V to 5.5 V
0.5
2.2
4.2
0.5
5.5
ns
output enabled
-
25
-
-
-
pF
output disabled
-
6
-
-
-
pF
VCC = 4.5 V to 5.5 V
disable time
tdis
power dissipation
capacitance
CPD
40 C to +125 C Unit
Typ[1]
OE to Y; see Figure 9
per buffer; VI = GND to VCC
[4]
[5]
[1]
Typical values are measured at Tamb = 25 C and VCC = 1.8 V, 2.5 V, 2.7 V, 3.3 V and 5.0 V respectively.
[2]
tpd is the same as tPLH and tPHL
[3]
ten is the same as tPZH and tPZL
[4]
tdis is the same as tPLZ and tPHZ
[5]
CPD is used to determine the dynamic power dissipation (PD in W).
PD = CPD VCC2 fi N + (CL VCC2 fo) where:
fi = input frequency in MHz;
fo = output frequency in MHz;
CL = output load capacitance in pF;
VCC = supply voltage in V;
N = number of inputs switching;
(CL VCC2 fo) = sum of outputs.
74LVC1G126
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 13 — 2 December 2016
©
Nexperia B.V. 2017. All rights reserved
8 of 21
74LVC1G126
Nexperia
Bus buffer/line driver; 3-state
12. Waveforms
9,
90
$LQSXW
*1'
W3/+
W3+/
90
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