54298DMQB datasheet(1/4 Pages) NSC

Part #	54298DMQB

Description	Quad 2-Port Register (Multiplexer With Storage)

PDF	4 Pages

Scroll/Zoom	100%

Manufacturer	NSC [National Semiconductor (TI)]

Direct Link	http://www.national.com

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1 / 4 page

TLF10215

June 1989

54298

Quad 2-Port Register (Multiplexer With Storage)

General Description

The ’298 is a quad 2-port register It is the logical equivalent

of a quad 2-input multiplexer followed by a quad 4-bit edge-

triggered register A Common Select input selects between

two 4-bit input ports (data sources) The selected data is

transferred to the output register synchronous with the

HIGH-to-LOW transition of the Clock input

Features

Y

Select from two data sources

Y

Fully edge-triggered operation

Connection Diagram

Dual-In-Line Package

TLF10215 – 1

Order Number 54298DMQB or 54298FMQB

See NS Package Number J16A or W16A

Logic Symbol

TLF10215 – 2

VCC e Pin 16

GND e Pin 8

Pin Names

Description

S

Common Select Input

CP

Clock Pulse Input (Active Falling Edge)

I0a – I0d

Source 0 Data Inputs

I1a – I1d

Source 1 Data Inputs

Qa Qd

Flip-Flop Outputs

C1995 National Semiconductor Corporation

RRD-B30M105Printed in U S A

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54298DMQB Datasheet(PDF) 1 Page - National Semiconductor (TI)

54298DMQB Datasheet(HTML) 1 Page - National Semiconductor (TI)

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