Datasheet
©1988 Fairchild Semiconductor Corporation www.fairchildsemi.com
74AC14, 74ACT14 • Rev. 1.7.2 4
74AC14, 74ACT14 — Hex Inverter with Schmitt Trigger Input
DC Electrical Characteristics for AC
Notes:
1. All outputs loaded; thresholds on input associated with output under test.
2. Maximum test duration 2.0ms, one output loaded at a time.
3. I
IN
and I
CC
@ 3.0V are guaranteed to be less than or equal to the respective limit @ 5.5V V
CC
.
Symbol Parameter
V
CC
Conditions
T
A
+25°C
T
A
–40°C
to +85°C
Units(V) Typ Guaranteed Limits
V
OH
Minimum HIGH Level
Output Voltage
3.0 I
OUT
–50µA 2.99 2.9 2.9 V
4.5 4.49 4.4 4.4
5.5 5.49 5.4 5.4
3.0 I
OH
12mA 2.56 2.46
4.5 I
OH
24mA 3.86 3.76
5.5 I
OH
24mA
(1)
4.86 4.76
V
OL
Maximum LOW Level
Output Voltage
3.0 I
OUT
50µA 0.002 0.1 0.1 V
4.5 0.001 0.1 0.1
5.5 0.001 0.1 0.1
3.0 I
OL
12mA 0.36 0.44
4.5 I
OL
24mA 0.36 0.44
5.5 I
OL
24mA
(1)
0.36 0.44
I
IN
(3)
Maximum Input Leakage
Current
5.5 V
I
V
CC
, GND ±0.1 ±1.0 µA
V
t+
Maximum Positive
Threshold
3.0 T
A
Worst Case 2.2 2.2 V
4.5 3.2 3.2
5.5 3.9 3.9
V
t–
Minimum Negative
Threshold
3.0 T
A
Worst Case 0.5 0.5 V
4.5 0.9 0.9
5.5 1.1 1.1
V
H(MAX)
Maximum Hysteresis 3.0 T
A
Worst Case 1.2 1.2 V
4.5 1.4 1.4
5.5 1.6 1.6
V
H(MIN)
Minimum Hysteresis 3.0 T
A
Worst Case 0.3 0.3 V
4.5 0.4 0.4
5.5 0.5 0.5
I
OLD
Minimum Dynamic 5.5 V
OLD
1.65V Max. 75 mA
I
OHD
Output Current
(2)
5.5 V
OHD
3.85V Min. –75 mA
I
CC
(3)
Maximum Quiescent
Supply Current
5.5 V
IN
V
CC
or GND 2.0 20.0 µA