54LS168LMQB datasheet(1/6 Pages) NSC

номер детали	54LS168LMQB

подробное описание детали	54LS168 Synchronous Bi-Directional BCD Decade Counter

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производитель	NSC [National Semiconductor (TI)]

домашняя страница	http://www.national.com

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TLF10207

June 1989

54LS168 Synchronous Bi-Directional

BCD Decade Counter

General Description

The 54LS168 is a fully synchronous 4-state updown coun-

ter featuring a preset capability for programmable operation

carry lookahead for easy cascading and a UD input to con-

trol the direction of counting It counts in the BCD (8421)

sequence and all state changes whether in counting or par-

allel loading are initiated by the LOW-to-HIGH transition of

the clock

Connection Diagram

Dual-In-Line Package

TLF10207 – 1

Order Number 54LS168DMQB

54LS168FMQB or 54LS168LMQB

See NS Package Number

E20A J16A or W16A

Logic Symbol

TLF10207 – 2

VCC e Pin 16

GND e Pin 8

Pin Names

Description

CEP

Count Enable Parallel Input (Active LOW)

CET

Count Enable Trickle Input (Active LOW)

CP

Clock Pulse Input (Active Rising Edge)

P0 – P3

Parallel Data Inputs

PE

Parallel Enable Input (Active LOW)

UD

Up-Down Count Control Input

Q0 – Q3

Flip-Flop Outputs

TC

Terminal Count Output (Active LOW)

C1995 National Semiconductor Corporation

RRD-B30M105Printed in U S A

Аналогичный номер детали - 54LS168LMQB

производитель	номер детали	датащи	подробное описание детали
National Semiconductor ...	54LS160A	173Kb / 8P	Synchronous Presettable BCD Decade Counters
	54LS160ADMQB	173Kb / 8P	Synchronous Presettable BCD Decade Counters
	54LS160AFMQB	173Kb / 8P	Synchronous Presettable BCD Decade Counters
	54LS160ALMQB	173Kb / 8P	Synchronous Presettable BCD Decade Counters
	54LS161	210Kb / 12P	Synchronous 4-Bit Binary Counters

More results

Аналогичное описание - 54LS168LMQB

производитель	номер детали	датащи	подробное описание детали
Fairchild Semiconductor	74F162A	70Kb / 7P	Synchronous Presettable BCD Decade Counter
Motorola, Inc	MC74F160A	103Kb / 4P	SYNCHRONOUS PRESETTABLE BCD DECADE COUNTER
Fairchild Semiconductor	74F160A	96Kb / 8P	Synchronous Presettable BCD Decade Counter
NXP Semiconductors	74AC11160	271Kb / 10P	SYNCHRONOUS PRESETTABLE SYNCHRONOUS BCD DECADE COUNTER October 17 1990
Motorola, Inc	MC74AC160	326Kb / 14P	Synchronous Presettable BCD Decade Counter
ON Semiconductor	SN54-74LS168	117Kb / 6P	BCD DECADE/MODULO 16 BINARY SYNCHRONOUS BI-DIRECTIONAL COUNTERS
Motorola, Inc	SN54LS168	272Kb / 8P	BCD DECADE/MODULO 16 BINARY SYNCHRONOUS BI-DIRECTIONAL COUNTERS
NXP Semiconductors	74HC162	83Kb / 11P	Presettable synchronous BCD decade counter; synchronous reset December 1990
Renesas Technology Corp	HCS160MS	337Kb / 9P	Radiation Hardened BCD Decade Synchronous Counter September 1995
Intersil Corporation	HCS160MS	120Kb / 9P	Radiation Hardened BCD Decade Synchronous Counter September 1995

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Аналогичный номер детали - 54LS168LMQB

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