HD74LS51 Datasheet, PDF (3/5 Pages) Hitachi Semiconductor – 2-wide 2-input, 2-wide 3-input AND-OR-INVERT Gates

HD74LS51
Electrical Characteristics
Item
Input voltage
Output voltage
Symbol
VIH
VIL
VOH
VOL
IIH
Input current
IIL
II
Short-circuit output
current
IOS
Supply current
ICCH
ICCL
Input clamp voltage
VIK
Note: * VCC = 5 V, Ta = 25°C
min.
2.0
—
2.7
—
—
—
—
—
–20
—
—
—
typ.*
—
—
—
—
—
—
—
—
—
0.8
1.4
—
max.
—
0.8
—
0.5
0.4
20
–0.4
0.1
–100
1.6
2.8
–1.5
Unit
V
V
V
V
µA
mA
mA
mA
mA
mA
V
(Ta = –20 to +75 °C)
Condition
VCC = 4.75 V, VIL = 0.8 V, IOH = –400 µA
IOL = 8 mA
IOL = 4 mA
VCC = 4.75 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
VCC = 5.25 V
VCC = 4.75 V, IIN = –18 mA
Switching Characteristics
(V_CC = 5 V, Ta = 25°C)
Item
Symbol
min.
typ.
max.
Unit
Condition
Propagation delay time
tPLH
tPHL
—
12
20
—
12.5
20
ns
ns
CL = 15 pF, RL = 2 kΩ
Note: Refer to Test Circuit and Waveform of the Common Item "TTL Common Matter (Document No.: REJ27D0005-
0100)".
Rev.3.00, Jul.22.2005, page 3 of 4