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HCF40192 View Datasheet(PDF) - STMicroelectronics

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HCF40192 Datasheet PDF : 15 Pages
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HCC/HCF40192B/193B
is high. The CARRY and BORROW signals are high
when the counter is counting up or down. The
CARRY signal goes low one-half clock cycle after
the counter reaches its maximum count in the count-
up mode. The BORROW signal goes low one-half
clock cycle after the counter reaches its minimum
FUNCTIONAL DIAGRAM
count in the count-down mode. Cascading of
multiple packages is easily accomplished without
the need for additional external circuitry by tying the
BORROW and CARRY outputs to the CLOCK
DOWN and CLOCK UP inputs, respectively, of the
succeeding package.
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
V DD* Supply Voltage : HC C Types
H C F Types
– 0.5 to + 20
V
– 0.5 to + 18
V
Vi Input Voltage
II
DC Input Current (any one input)
– 0.5 to VDD + 0.5
V
± 10
mA
Pt o t Total Power Dissipation (per package)
Dissipation per Output Transistor
for To p = Full Package-temperature Range
T o p Operating Temperature : HCC Types
H CF Types
200
mW
100
mW
– 55 to + 125
°C
– 40 to + 85
°C
Ts tg Storage Temperature
– 65 to + 150
°C
Stresses above those listed under ”Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress
rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections
of this specification is not implied. Exposure to absolute maximum rating conditions for external periods may affect device reliability.
* All voltages are with respect to VSS (GND).
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
VDD Supply Voltage : H CC Types
H C F Types
VI Input Voltage
T o p Operating Temperature : HCC Types
H CF Types
Value
3 to 18
3 to 15
0 to VDD
– 55 to + 125
– 40 to + 85
Unit
V
V
V
°C
°C
2/15
 

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