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IN74ACT192 Datasheet(PDF) 3 Page - Integral Corp.

Part No. IN74ACT192
Description  PRESETTABLE BCD/DECADE UP/DOWN COUNTER
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Maker  INTEGRAL [Integral Corp.]
Homepage  http://www.iksemi.com/
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IN74ACT192 Datasheet(HTML) 3 Page - Integral Corp.

   
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IN74ACT192
3
DC ELECTRICAL CHARACTERISTICS(Voltages Referenced to GND)
VCC
Guaranteed
Limits
Symbol
Parameter
Test Conditions
V
25
°C
-40
°C to
85
°C
Unit
VIH
Minimum
High-
Level
Input
Voltage
VOUT=0.1 V or VCC-0.1 V
4.5
5.5
2.0
2.0
2.0
2.0
V
VIL
Maximum Low -
Level
Input
Voltage
VOUT=0.1 V or VCC-0.1 V
4.5
5.5
0.8
0.8
0.8
0.8
V
VOH
Minimum
High-
Level
Output
Voltage
IOUT ≤ -50 µA
4.5
5.5
4.4
5.4
4.4
5.4
V
*VIN=VIH or VIL
IOH=-24 mA
IOH=-24 mA
4.5
5.5
3.86
4.86
3.76
4.76
VOL
Maximum
Low-
Level
Output
Voltage
IOUT ≤ 50 µA
4.5
5.5
0.1
0.1
0.1
0.1
V
*VIN=VIH
IOL=24 mA
IOL=24 mA
4.5
5.5
0.36
0.36
0.44
0.44
IIN
Maximum
Input
Leakage Current
VIN=VCC or GND
5.5
±0.1
±1.0
µA
IOLD
+Minimum
Dynamic
Output
Current
VOLD=1.65 V Max
5.5
75
mA
IOHD
+Minimum
Dynamic
Output
Current
VOHD=3.85 V Min
5.5
-75
mA
ICC
Maximum
Quiescent Supply
Current
(per Package)
VIN=VCC or GND
5.5
8.0
80
µA
* 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
MR
PL
CPU
CPD
H
X
X
X
Reset(Asyn.)
L
L
X
X
Preset(Asyn.)
L
H
H
No Count
L
H
H
Count Up
L
H
H
Count Down
L
H
H
No Count
The IN74ACT192 can be preset to any
state, but will not count beyond 9. If preset to
state 10, 11, 12, 13, 14 or 15, it will follow the
sequence 10, 11, 6: 12, 13, 4: 14, 15, 2 if
counting Up, and follow the sequence 15, 14,
13, 12, 11, 10, 9 if counting Down.
Logic equations
For Terminal Count:
U
TC = Q0 • Q3
U
CP
D
TC =
0
Q
1
Q
2
Q 3
Q
D
CP
X = don’t care


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