74HC368; 74HCT368
Hex buffer/line driver; 3-state; inverting
Rev. 3 — 9 August 2016
Product data sheet
1. General description
The 74HC368; 74HCT368 is a hex inverting buffer/line driver with 3-state outputs
controlled by the output enable inputs (nOE). A HIGH on nOE causes the outputs to
assume a high impedance OFF-state. Inputs include clamp diodes enable the use of
current limiting resistors to interface inputs to voltages in excess of VCC.
2. Features and benefits
Input levels:
For 74HC368: CMOS level
For 74HCT368: TTL level
Inverting 3-state outputs
Complies with JEDEC standard no. 7 A
ESD protection:
HBM JESD22-A114F exceeds 2000 V
MM JESD22-A115-A exceeds 200 V
Multiple package options
Specified from 40 C to +85 C and 40 C to +125 C
3. Ordering information
Table 1.
Ordering information
Type number
74HC368D
Package
Temperature range
Name
Description
Version
40 C to +125 C
SO16
plastic small outline package; 16 leads; body width 3.9 mm SOT109-1
40 C to +125 C
SSOP16
plastic shrink small outline package; 16 leads; body width
5.3 mm
40 C to +125 C
TSSOP16 plastic thin shrink small outline package; 16 leads;
body width 4.4 mm
74HCT368D
74HC368DB
74HCT368DB
74HCT368PW
SOT338-1
SOT403-1
74HC368; 74HCT368
Nexperia
Hex buffer/line driver; 3-state; inverting
4. Functional diagram
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DDD
Fig 1.
Logic symbol
DDD
Fig 2.
IEC logic symbol
9&&
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*1'
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DDD
Fig 3.
Logic diagram
74HC_HCT368
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3 — 9 August 2016
©
Nexperia B.V. 2017. All rights reserved
2 of 16
74HC368; 74HCT368
Nexperia
Hex buffer/line driver; 3-state; inverting
5. Pinning information
5.1 Pinning
+&
+&7
2(
9&&
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+&
+&7
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DDD
DDD
Fig 4.
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Pin configuration SO16
Fig 5.
Pin configuration (T)SSOP16
5.2 Pin description
Table 2.
Pin description
Symbol
Pin
Description
1OE, 2OE
1, 15
output enable input (active LOW)
1A, 2A, 3A, 4A, 5A, 6A
2, 4, 6, 10, 12, 14
data input
1Y, 2Y, 3Y, 4Y, 5Y, 6Y
3, 5, 7, 9, 11, 13
bus output
GND
8
ground (0 V)
VCC
16
supply voltage
6. Functional description
Table 3.
Function table[1]
Input
Output
nOE
nA
nY
L
L
H
L
H
L
H
X
Z
[1]
H = HIGH voltage level; L = LOW voltage level; X = don’t care; Z = high-impedance OFF-state.
74HC_HCT368
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3 — 9 August 2016
©
Nexperia B.V. 2017. All rights reserved
3 of 16
74HC368; 74HCT368
Nexperia
Hex buffer/line driver; 3-state; inverting
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
VCC
supply voltage
IIK
input clamping current
VI < 0.5 V or VI > VCC + 0.5 V
-
20
mA
IOK
output clamping current
VO < 0.5 V or VO > VCC + 0.5 V
-
20
mA
IO
output current
0.5 V < VO < VCC + 0.5 V
-
35
mA
ICC
supply current
-
70
mA
IGND
ground current
70
-
mA
Tstg
storage temperature
65
+150
C
Ptot
total power dissipation
-
500
mW
[1]
Conditions
SO16, SSOP16 and TSSOP16 packages
[1]
Min
Max
0.5
+7
Unit
V
For SO16 packages: Ptot derates linearly with 8 mW/K above 70 C.
For SSOP16 and TSSOP16 packages: Ptot derates linearly with 5.5 mW/K above 60 C.
8. Recommended operating conditions
Table 5.
Recommended operating conditions
Voltages are referenced to GND (ground = 0 V)
Symbol Parameter
Conditions
74HC368
74HCT368
Unit
Min
Typ
Max
Min
Typ
Max
2.0
5.0
6.0
4.5
5.0
5.5
V
input voltage
0
-
VCC
0
-
VCC
V
output voltage
0
-
VCC
0
-
VCC
V
VCC
supply voltage
VI
VO
Tamb
ambient temperature
t/V
input transition rise and fall rate
74HC_HCT368
Product data sheet
40
+25
+125
40
+25
+125
VCC = 2.0 V
-
-
625
-
-
-
ns/V
VCC = 4.5 V
-
1.67
139
-
1.67
139
ns/V
VCC = 6.0 V
-
-
83
-
-
-
ns/V
All information provided in this document is subject to legal disclaimers.
Rev. 3 — 9 August 2016
©
C
Nexperia B.V. 2017. All rights reserved
4 of 16
74HC368; 74HCT368
Nexperia
Hex buffer/line driver; 3-state; inverting
9. Static characteristics
Table 6.
Static characteristics
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter
25 C
Conditions
40 C to +85 C 40 C to +125 C Unit
Min
Typ
Max
Min
Max
Min
Max
VCC = 2.0 V
1.5
1.2
-
1.5
-
1.5
-
V
VCC = 4.5 V
3.15
2.4
-
3.15
-
3.15
-
V
VCC = 6.0 V
4.2
3.2
-
4.2
-
4.2
-
V
74HC368
VIH
VIL
VOH
VOL
HIGH-level
input voltage
LOW-level
input voltage
VCC = 2.0 V
-
0.8
0.5
-
0.5
-
0.5
V
VCC = 4.5 V
-
2.1
1.35
-
1.35
-
1.35
V
VCC = 6.0 V
-
2.8
1.8
-
1.8
-
1.8
V
HIGH-level
VI = VIH or VIL
output voltage
IO = 20 A; VCC = 2.0 V
1.9
2.0
-
1.9
-
1.9
-
V
IO = 20 A; VCC = 4.5 V
4.4
4.5
-
4.4
-
4.4
-
V
IO = 20 A; VCC = 6.0 V
5.9
6.0
-
5.9
-
5.9
-
V
IO = 6.0 mA; VCC = 4.5 V
3.98 4.32
-
3.84
-
3.7
-
V
IO = 7.8 mA; VCC = 6.0 V
5.48 5.81
-
5.34
-
5.2
-
V
LOW-level
VI = VIH or VIL
output voltage
IO = 20 A; VCC = 2.0 V
-
0
0.1
-
0.1
-
0.1
V
IO = 20 A; VCC = 4.5 V
-
0
0.1
-
0.1
-
0.1
V
IO = 20 A; VCC = 6.0 V
-
0
0.1
-
0.1
-
0.1
V
IO = 6.0 mA; VCC = 4.5 V
-
0.15
0.26
-
0.33
-
0.4
V
IO = 7.8 mA; VCC = 6.0 V
-
0.16
0.26
-
0.33
-
0.4
V
II
input leakage
current
VI = VCC or GND;
VCC = 6.0 V
-
-
0.1
-
1.0
-
1.0
A
IOZ
OFF-state
output current
VI = VIH or VIL; VCC = 6.0 V;
VO = VCC or GND
-
-
0.5
-
5.0
-
10
A
ICC
supply current VI = VCC or GND; IO = 0 A;
VCC = 6.0 V
-
-
8.0
-
80
-
160
A
CI
input
capacitance
-
3.5
-
-
-
-
-
pF
74HC_HCT368
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3 — 9 August 2016
©
Nexperia B.V. 2017. All rights reserved
5 of 16
74HC368; 74HCT368
Nexperia
Hex buffer/line driver; 3-state; inverting
Table 6.
Static characteristics …continued
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter
25 C
Conditions
40 C to +85 C 40 C to +125 C Unit
Min
Typ
Max
Min
Max
Min
Max
74HCT368
VIH
HIGH-level
input voltage
VCC = 4.5 V to 5.5 V
2.0
1.6
-
2.0
-
2.0
-
V
VIL
LOW-level
input voltage
VCC = 4.5 V to 5.5 V
-
1.2
0.8
-
0.8
-
0.8
V
VOH
HIGH-level
VI = VIH or VIL; VCC = 4.5 V
output voltage
IO = 20 A
4.4
4.5
-
4.4
-
4.4
-
V
3.98 4.32
-
3.84
-
3.7
-
V
IO = 6 mA
VOL
LOW-level
VI = VIH or VIL; VCC = 4.5 V
output voltage
IO = 20 A
-
0
0.1
-
0.1
-
0.1
V
IO = 6.0 mA
-
0.16
0.26
-
0.33
-
0.4
V
II
input leakage
current
VI = VCC or GND;
VCC = 5.5 V
-
-
0.1
-
1.0
-
1.0
A
IOZ
OFF-state
output current
VI = VIH or VIL; VCC = 5.5 V;
VO = VCC or GND
-
-
0.5
-
5.0
-
10
A
ICC
supply current VI = VCC or GND;
VCC = 5.5 V; IO = 0 A
-
-
8.0
-
80
-
160
A
ICC
additional
per input pin;
supply current VI = VCC 2.1 V;
other inputs at VCC or GND;
VCC = 4.5 V to 5.5 V;
IO = 0 A
1OE, nA inputs
-
100
360
-
450
-
490
A
2OE inputs
-
90
324
-
405
-
441
A
-
3.5
-
-
-
-
-
pF
CI
input
capacitance
10. Dynamic characteristics
Table 7.
Dynamic characteristics
GND = 0 V; for load circuit, see Figure 8.
Symbol Parameter
25 C
Conditions
40 C to +125 C Unit
Min
Typ
Max
Max
(85 C)
Max
(125 C)
74HC368
tpd
[1]
propagation delay nA to nY;
see Figure 6
74HC_HCT368
Product data sheet
VCC = 2.0 V
-
30
95
120
145
ns
VCC = 4.5 V
-
11
19
24
29
ns
VCC = 5.0 V; CL = 15 pF
-
9
-
-
-
ns
VCC = 6.0 V
-
9
16
20
25
ns
All information provided in this document is subject to legal disclaimers.
Rev. 3 — 9 August 2016
©
Nexperia B.V. 2017. All rights reserved
6 of 16
74HC368; 74HCT368
Nexperia
Hex buffer/line driver; 3-state; inverting
Table 7.
Dynamic characteristics …continued
GND = 0 V; for load circuit, see Figure 8.
Symbol Parameter
ten
enable time
25 C
Conditions
Min
Typ
Max
Max
(85 C)
Max
(125 C)
VCC = 2.0 V
-
41
150
190
225
ns
VCC = 4.5 V
-
15
30
38
45
ns
-
12
26
33
38
ns
VCC = 2.0 V
-
55
150
190
225
ns
VCC = 4.5 V
-
20
30
38
45
ns
-
16
26
33
38
ns
VCC = 2.0 V
-
14
60
75
90
ns
VCC = 4.5 V
-
5
12
15
18
ns
-
4
10
13
15
ns
-
30
-
-
-
pF
-
13
24
30
36
ns
nOE to nY; see Figure 7
[2]
VCC = 6.0 V
disable time
tdis
nOE to nY; see Figure 7
[3]
VCC = 6.0 V
transition time
tt
[4]
see Figure 6
VCC = 6.0 V
power dissipation
capacitance
CPD
40 C to +125 C Unit
per buffer; VI = GND to VCC
[5]
74HCT368
[1]
propagation delay nA to nY;
tpd
see Figure 6
VCC = 4.5 V
VCC = 5.0 V; CL = 15 pF
-
11
-
-
-
ns
-
17
35
44
53
ns
20
35
44
53
ns
ten
enable time
nOE to nY; VCC = 4.5 V; see
Figure 7
[2]
tdis
disable time
nOE to nY; VCC = 4.5 V; see
Figure 7
[3]
-
tt
transition time
VCC = 4.5 V; see Figure 6
[4]
-
5
12
15
18
ns
CPD
power dissipation
capacitance
per buffer;
VI = GND to VCC 1.5 V
[5]
-
30
-
-
-
pF
[1]
tpd is the same as tPHL and tPLH.
[2]
ten is the same as tPZH and tPZL.
[3]
tdis is the same as tPHZ and tPLZ.
[4]
tt is the same as tTHL and tTLH.
[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.
74HC_HCT368
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3 — 9 August 2016
©
Nexperia B.V. 2017. All rights reserved
7 of 16
74HC368; 74HCT368
Nexperia
Hex buffer/line driver; 3-state; inverting
11. Waveforms
9,
90
90
Q$LQSXW
*1'
W3+/
92+
W3/+
90
Q
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