HD74LS08
Electrical Characteristics
(Ta = –20 to +75 °C)
Item
Symbol
VIH
min.
2.0
—
typ.*
—
max.
—
Unit
V
Condition
Input voltage
VIL
—
0.8
—
V
VOH
2.7
—
—
V
VCC = 4.75 V, VIH = 2 V, IOH = –400 µA
Output voltage
Input current
—
0.5
0.4
20
IOL = 8 mA
VOL
V
VCC = 4.75 V, VIL = 0.8 V
IOL = 4 mA
—
—
IIH
IIL
II
—
—
µA
mA
mA
VCC = 5.25 V, VI = 2.7 V
VCC = 5.25 V, VI = 0.4 V
VCC = 5.25 V, VI = 7 V
—
—
–0.4
0.1
—
—
Short-circuit output
current
IOS
–20
—
–100
mA
VCC = 5.25 V
ICCH
ICCL
VIK
—
—
—
2.4
4.4
—
4.8
8.8
mA
mA
V
VCC = 5.25 V
Supply current
VCC = 5.25 V
Input clamp voltage
–1.5
VCC = 4.75 V, IIN = –18 mA
Note: * VCC = 5 V, Ta = 25°C
Switching Characteristics
(VCC = 5 V, Ta = 25°C)
Item
Symbol
tPLH
min.
typ.
8
max.
Unit
ns
Condition
—
—
15
20
Propagation delay time
CL = 15 pF, RL = 2 kΩ
tPHL
10
ns
Note: Refer to Test Circuit and Waveform of the Common Item "TTL Common Matter (Document No.: REJ27D0005-
0100)".
Rev.2.00, Feb.18.2005, page 3 of 5
RENESAS [ RENESAS TECHNOLOGY CORP ]
