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HD74LS374 Datasheet, PDF (3/8 Pages) Hitachi Semiconductor – Octal D-type Edge-triggered Flip-Flips(with three-state outputs) | |||
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HD74LS374
Electrical Characteristics
Item
Input voltage
Symbol
VIH
VIL
VOH
Output voltage
VOL
Output current
IOZH
IOZL
IIH
Input current
IIL
II
Short-circuit output current
IOS
Supply current
ICC
Input clamp voltage
VIK
Note: * VCC = 5 V, Ta = 25°C
min.
2.0
â
2.4
â
â
â
â
â
â
â
â30
â
â
typ.*
â
â
â
â
â
â
â
â
â
â
â
27
â
max.
â
0.8
â
0.4
0.5
20
â20
20
â0.4
0.1
â130
40
â1.5
Unit
V
V
V
V
µA
µA
mA
mA
mA
mA
V
(Ta = â20 to +75 °C)
Condition
VCC = 4.75 V, VIH = 2 V, VIL = 0.8 V,
IOH = â2.6 mA
IOL = 12 mA
VCC = 4.75 V,
IOL = 24 mA
VIH = 2 V, VIL = 0.8 V
VO = 2.7 V
VCC = 5.25 V,
VO = 0.4 V
VIH = 2 V, VIL = 0.8 V
VCC = 5.25 V, VI = 2.7 V
VCC = 5.25 V, VI = 0.4 V
VCC = 5.25 V, VI = 7 V
VCC = 5.25 V
VCC = 5.25 V,
VI = 4.5 V (Output control)
VCC = 4.75 V, IIN = â18 mA
Switching Characteristics
(VCC = 5 V, Ta = 25°C)
Item
Symbol
Inputs Output min.
typ.
max.
Unit Condition
Maximum clock frequency
Æmax
Clock
Q
35
50
â
MHz
Propagation delay time
Output enable time
tPLH
Clock
Q
tPHL
tZH
OC
Q
tZL
â
15
28
â
19
28
CL = 45 pF,
RL = 667 â¦
â
20
28
ns
â
21
28
Output disable time
tHZ
OC
â
12
20
Q
tLZ
â
14
25
CL = 5 pF,
RL = 667 â¦
Rev.2.00, Feb.18.2005, page 3 of 7
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