in74act192 Integral Corp., in74act192 Datasheet

in74act192

Manufacturer Part Number

in74act192

Description

Presettable Bcd/decade Up/down Counter

Manufacturer

Integral Corp.

Datasheet

1.IN74ACT192.pdf (7 pages)

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Presettable BCD/Decade UP/DOWN Counter

High-Speed Silicon-Gate CMOS

HC/HCT192. The IN74ACT192 may be used as a level converter

for interfacing TTL or NMOS outputs to High Speed CMOS inputs.

Count Down Clock inputs. The direction of counting is determined

by which input is clocked. The outputs change state synchronous

with the LOW-to-HIGH transitions on the clock inputs. This counter

may be preset by entering the desired data on the P0, P1, P2, P3

input. When the Parallel Load input is taken low the data is loaded

independently of either clock input. This feature allows the counters

to be used as devide-by-n by modifying the count lenght with the

preset inputs. In addition the counter can also be cleared. This is

accomplished by inputting a high on the Master Reset input. All 4

internal stages are set to low independently of either clock input.Both

a Terminal Count Down (TC

Outputs are provided to enable cascading of both up and down

counting functions. The TC

when the counter underflows and TC

counter overflows. The counter can be cascaded by connecting the

Count Down Clock inputs, respectively, of the next device.

• TTL/NMOS Compatible Input Levels

• Outputs Directly Interface to CMOS, NMOS, and TTL

• Operating Voltage Range: 4.5 to 5.5 V

• Low Input Current: 1.0 μA; 0.1 μA @ 25°C

• Outputs Source/Sink 24 mA

The IN74ACT192 is identical in pinout to the LS/ALS192,

The counter has two separate clock inputs, a Count Up Clock and

and TC

outputs of one device to the Count Up Clock and

output produces a negative going pulse

) and Terminal Count Up (TC

LOGIC DIAGRAM

PIN 8 = GND

PIN 16 =V

outputs a pulse when the

)

ORDERING INFORMATION

TECHNICAL DATA

IN74ACT192N Plastic

PIN ASSIGNMENT

IN74ACT192D SOIC

= -40° to 85° C for all

IN74ACT192

packages

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