DS9643 datasheet(1/4 Pages) NSC

Part #	DS9643

Description	Dual TTL to MOS/CCD Driver

PDF	4 Pages

Scroll/Zoom	100%

Manufacturer	NSC [National Semiconductor (TI)]

Direct Link	http://www.national.com

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TLF9646

April 1990

DS9643

Dual TTL to MOSCCD Driver

General Description

The DS9643 is a dual positive logic ‘‘AND’’ TTL-to-MOS

driver The DS9643 is a functional replacement for the

SN75322 with one important exception the two external

PNP transistors are no longer needed for operation The

DS9643 is also a functional replacement for the 75363 with

the important exception that the VCC3 supply is not needed

The lead connections normally used for the external PNP

transistors are purposely not internally connected to the

DS9643

Features

Y

Satisfies CCD memory and delay line requirements

Y

Dual positive logic TTL to MOS driver

Y

Operates from standard bipolar and MOS supply volt-

ages

Y

High speed switching

Y

TTL and DTL compatible inputs

Y

Separate drivers address inputs with common strobe

Y

VOH and VOL compatible with popular MOS RAMs

Y

Does not require external PNP transistors or VCC3

Y

VOH minimum is VCC2 b 05V

Connection Diagram

8-Lead DIP

TLF9646 – 1

Top View

Order Number DS9643N

See NS Package Number N08E

Truth Table

Input

Enable

Output

LL

L

LH

L

HL

L

HH

H

C1995 National Semiconductor Corporation

RRD-B30M115Printed in U S A

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DS9643 Datasheet(PDF) 1 Page - National Semiconductor (TI)

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