CD40192BM National Semiconductor Corporation, CD40192BM Datasheet

CD40192BM

Manufacturer Part Number

CD40192BM

Description

Synchronous 4-bit Up/down Decade Counter

Manufacturer

National Semiconductor Corporation

Datasheet

1.CD40192BM.pdf (6 pages)

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Bonase Electronics (HK) Co., Limited

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C 1995 National Semiconductor Corporation

CD40192BM CD40192BC Synchronous

4-Bit Up Down Decade Counter

CD40193BM CD40193BC Synchronous

4-Bit Up Down Binary Counter

General Description

These up down counters are monolithic complementary

MOS (CMOS) integrated circuits The CD40192BM and

CD40192BC are BCD counters while the CD40193BM and

CD40193BC are binary counters

Counting up and counting down is performed by two count

inputs one being held high while the other is clocked The

outputs change on the positive-going transition of this clock

These counters feature preset inputs that are enabled when

load is a logical ‘‘0’’ and a clear which forces all outputs to

‘‘0’’ when it is at logical ‘‘1’’ The counters also have carry

and borrow outputs so that they can be cascaded using no

external circuitry

All inputs are protected against damage due to static dis-

charge by clamps to V

Connection Diagram

Cascading Packages

Dual-In-Line Package

Top View

and V

TL F 5988

TL F 5988 – 1

Features

Wide supply voltage range

High noise immunity

Low power TTL compatibility

Carry and borrow outputs for easy expansion to N-bit

by cascading

Asynchronous clear

Equivalent to

Order Number CD40192B or CD40193

and MM54C193 MM74C193

TL F 5988 – 2

MM54C192 MM74C192

RRD-B30M105 Printed in U S A

or 1 driving 74LS

0 45 V

February 1988

Fan out of 2

driving 74L

3V to 15V

(typ )

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