IN74ACT193
DC ELECTRICAL CHARACTERISTICS(Voltages Referenced to GND)
VC Guaranteed Limits
C
Symbol
VIH
Parameter
Test Conditions
V
Unit
V
25 °C
-40°C to
85°C
2.0
Minimum
Level
High- VOUT=0.1 V or VCC-0.1 V 4.5
Input 5.5
2.0
2.0
2.0
Voltage
VIL
Maximum Low - VOUT=0.1 V or VCC-0.1 V 4.5
0.8
0.8
0.8
0.8
V
V
Level
Input
5.5
Voltage
Minimum
Level
VOH
High-
4.5
5.5
4.4
5.4
4.4
5.4
I
OUT ≤ -50 µA
Output
Voltage
*VIN=VIH or VIL
IOH=-24 mA
IOH=-24 mA
4.5
5.5
4.5
5.5
3.86
4.86
0.1
3.76
4.76
0.1
VOL
Maximum
Level
Low-
V
I
OUT ≤ 50 µA
Output
0.1
0.1
Voltage
*VIN=VIH
IOL=24 mA
IOL=24 mA
4.5
5.5
5.5
0.36
0.36
±0.1
0.44
0.44
±1.0
IIN
Maximum Input VIN=VCC or GND
Leakage Current
µA
IOLD
+Minimum
VOLD=1.65 V Max
5.5
5.5
5.5
75
mA
Dynamic Output
Current
IOHD
+Minimum
VOHD=3.85 V Min
-75
80
mA
Dynamic Output
Current
ICC
Maximum
VIN=VCC or GND
8.0
µA
Quiescent Supply
Current
(per Package)
* All outputs loaded; thresholds on input associated with output under test.
+Maximum test duration 2.0 ms, one output loaded at a time.
FUNCTION TABLE
Inputs
Mode
The IN74ACT193 is an UP/DOWN MODULO-16
Binary Counter.
MR
CP CPD
PL
Logic equations
U
For Terminal Count:
H
L
L
L
L
L
X
L
X
X
X
X
H
H
Reset(Asyn.)
Preset(Asyn.)
No Count
TCU = Q0 • Q1 • Q2 Q3 •CPU
TCD = Q0 • Q1 • Q2 •Q3 • CPD
H
H
H
H
Count Up
H
H
Count Down
No Count
X = don’t care
3