SL74HC192 查看數據表（PDF） - System Logic Semiconductor
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SL74HC192 Datasheet PDF : 7 Pages
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SL74HC192
DC ELECTRICAL CHARACTERISTICS(Voltages Referenced to GND)
Symbol
Parameter
Test Conditions
VIH
Minimum High-Level VOUT=0.1 V or VCC-0.1 V
Input Voltage
IOUT≤ 20 µA
VIL
Maximum Low -Level VOUT=0.1 V or VCC-0.1 V
Input Voltage
IOUT ≤ 20 µA
VOH
Minimum High-Level VIN=VIH or VIL
Output Voltage
IOUT ≤ 20 µA
VIN=VIH or VIL
IOUT ≤ 4.0 mA
IOUT ≤ 5.2 mA
VOL
Maximum Low-Level VIN=VIH or VIL
Output Voltage
IOUT ≤ 20 µA
VIN=VIH or VIL
IOUT ≤ 4.0 mA
IOUT ≤ 5.2 mA
IIN
Maximum Input
Leakage Current
VIN=VCC or GND
ICC
Maximum Quiescent VIN=VCC or GND
Supply Current
IOUT=0µA
(per Package)
VCC
Guaranteed Limit
V 25 °C ≤85 ≤125 Unit
to
°C °C
-55°C
2.0 1.5 1.5 1.5 V
4.5 3.15 3.15 3.15
6.0 4.2 4.2 4.2
2.0 0.3 0.3 0.3 V
4.5 0.9 0.9 0.9
6.0 1.2 1.2 1.2
2.0 1.9 1.9 1.9 V
4.5 4.4 4.4 4.4
6.0 5.9 5.9 5.9
4.5 3.98 3.84 3.7
6.0 5.48 5.34 5.2
2.0 0.1 0.1 0.1 V
4.5 0.1 0.1 0.1
6.0 0.1 0.1 0.1
4.5 0.26 0.33 0.4
6.0 0.26 0.33 0.4
6.0 ±0.1 ±1.0 ±1.0 µA
6.0 8.0
80 160 µA
FUNCTION TABLE
Inputs
Mode
MR PL CPU CPD
HX
X
X
Reset(Asyn.)
LL
X
X Preset(Asyn.)
LH
H
No Count
LH
H
Count Up
LH
H
Count Down
LH
H
No Count
X = don’t care
The IN74HC192 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
SLS
System Logic
Semiconductor
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