IN74AC192 View Datasheet(PDF) - IK Semicon Co., Ltd
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IN74AC192 Datasheet PDF : 8 Pages
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IN74AC192
DC ELECTRICAL CHARACTERISTICS (Voltages Referenced to GND)
Symbol
Parameter
Test Conditions
VCC Guaranteed Limits
V 25 °C -40°C to Unit
85°C
VIH Minimum High-Level
VOUT=0.1 V or VCC-0.1 V
3.0
2.1
2.1
V
Input Voltage
4.5 3.15
3.15
5.5 3.85
3.85
VIL
Maximum Low -Level
VOUT=0.1 V or VCC-0.1 V
3.0
0.9
0.9
V
Input Voltage
4.5 1.35
1.35
5.5 1.65
1.65
VOH Minimum High-Level
Output Voltage
IOUT ≤ -50 μA
VOL Maximum Low-Level
Output Voltage
*VIN=VIH or VIL
IOH=-12 mA
IOH=-24 mA
IOH=-24 mA
IOUT ≤ 50 μA
*VIN=VIH or VIL
IOL=12 mA
IOL=24 mA
IOL=24 mA
IIN
Maximum Input Leakage VIN=VCC or GND
Current
3.0 2.9
4.5 4.4
5.5 5.4
3.0 2.56
4.5 3.86
5.5 4.86
3.0 0.1
4.5 0.1
5.5 0.1
3.0 0.36
4.5 0.36
5.5 0.36
5.5 ±0.1
2.9
V
4.4
5.4
2.46
3.76
4.76
0.1
V
0.1
0.1
0.44
0.44
0.44
±1.0
μA
IOLD +Minimum Dynamic
VOLD=1.65 V Max
5.5
Output Current
75
mA
IOHD +Minimum Dynamic
VOHD=3.85 V Min
5.5
Output Current
-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.
Note: IIN and ICC @ 3.0 V are guaranteed to be less than or equal to the respective limit @ 5.5 V VCC
FUNCTION TABLE
Inputs
MR PL CPU CPD
HX X
X
LL X
X
LH
H
LH
H
LH H
LH H
X = don’t care
Mode
Reset(Asyn.)
Preset(Asyn.)
No Count
Count Up
Count Down
No Count
The IN74AC192 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:
TCU = Q0 • Q3 • CPU
TCD = Q0 • Q1 • Q2 • Q3 • CPD
Rev. 00
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