HD74LS14
Electrical Characteristics
(Ta = –20 to +75 °C)
Item
Symbol
min.
1.4
0.5
0.4
2.7
—
typ.*
1.6
0.7
0.9
—
max.
1.9
1.0
—
Unit
V
Condition
+
Input threshold
voltage
VT
VCC = 5 V
VCC = 5 V
VCC = 5 V
–
VT
V
–
Hysteresis
VT+ – VT
V
VOH
—
V
VCC = 4.75 V, VI = 0.5 V, IOH = –400 µA
Output voltage
—
0.5
0.4
—
IOL = 8 mA
VOL
V
VCC = 4.75 V, VI = 1.9 V
IOL = 4 mA
—
—
+
+
IT
—
–0.14
–0.18
—
mA
mA
µA
VCC = 5 V, VI = VT
Input threshold
current
–
–
IT
—
—
VCC = 5 V, VI = VT
IIH
IIL
II
—
20
VCC = 5.25 V, VI = 2.7 V
VCC = 5.25 V, VI = 0.4 V
VCC = 5.25 V, VI = 7 V
Input current
—
—
–0.4
0.1
mA
mA
—
—
Short-circuit output
current
IOS
–20
—
–100
mA
VCC = 5.25 V
ICCH
ICCL
VIK
—
—
—
8.6
12
—
16
21
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.
15
max.
Unit
ns
Condition
—
—
22
22
Propagation delay time
CL = 15 pF, RL = 2 kΩ
tPHL
15
ns
Rev.3.00, Jul.13.2005, page 3 of 5
RENESAS [ RENESAS TECHNOLOGY CORP ]
