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HD74LS373 Datasheet, PDF (3/8 Pages) Hitachi Semiconductor – Octal D-type Transparent Latches(with three-state outputs) | |||
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HD74LS373
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
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
â
24
â
max.
â
0.7
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
Data inputs
G, Output control inputs
VCC = 4.75 V, VIH = 2 V, VIL = VIL max
IOH = â2.6 mA
IOL = 12 mA
IOL = 24 mA
VCC = 4.75 V,
VIH = 2 V, VIL = VIL max
VO = 2.7 V
VO = 0.4 V
VCC = 5.25 V,
VIH = 2 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 Input Output min.
typ.
max.
Unit
Condition
tPLH
D
Q
â
12
18
Propagation delay time
tPHL
â
12
18
tPLH
G
tPHL
Q
â
â
20
18
30
30
CL = 45 pF,
RL = 667 â¦
ns
Output enable time
tZH
OC
Q
â
15
28
tZL
â
25
36
Output disable time
tHZ
OC
Q
â
12
20
tLZ
â
15
25
CL = 5 pF,
RL = 667 â¦
Rev.2.00, Feb.18.2005, page 3 of 7
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