Datasheet > 54ACTQ657LMX

54ACTQ657LMX

更新时间： 2024-11-12 08:16:39

品牌	Logo	应用领域
德州仪器 - TI		输出元件
页数	文件大小	规格书
12页	216K
描述
ACT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, CQCC28, CERAMIC, LCC-28

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54ACTQ657LMX 数据手册

March 1993

74ACQ657 54ACTQ/74ACTQ657

Quiet Series Octal Bidirectional Transceiver

with 8-Bit Parity Generator/Checker

and TRI-STATE Outputs

General Description

Features

Guaranteed simultaneous switching noise level and

dynamic threshold performance

Guaranteed pin-to-pin skew AC performance

Combines the ’245 and the ’280 functions in one

package

The ’ACQ/’ACTQ657 contains eight non-inverting buffers

with TRI-STATE outputs and an 8-bit parity generator/

checker. Intended for bus oriented applications, the device

combines the ’245 and the ’280 functions in one package.

The ’ACQ/’ACTQ utilizes NSC Quiet Series technology to

guarantee quiet output switching and improved dynamic

threshold performance. FACT Quiet Series^TMfeatures

GTO^TMoutput control and undershoot corrector in addition

to a split ground bus for superior performance.

300 mil 24-pin slim dual-in-line package

Outputs source/sink 24 mA

’ACTQ has TTL-compatible inputs

Standard Military Drawing (SMD)

Ð ’ACTQ657: 5962-92197

Logic Symbols

Connection Diagrams

IEEE/IEC

Pin Assignment

for DIP, SOIC

and Flatpak

Pin Assignment

for LCC

TL/F/10636–3

TL/F/10636–2

TL/F/10636–1

Pin Names

Description

A –A

Data Inputs/TRI-STATE Outputs

Transmit/Receive Input

Enable Input

B –B

T/R

PARITY

Parity Input/TRI-STATE Output

ODD/EVEN Parity Input

Error TRI-STATE Output

ODD/EVEN

ERROR

TL/F/10636–4

TRI-STATEÉ is a registered trademark of National Semiconductor Corporation.

FACT Quiet Series^TMand GTO^TMare trademarks of National Semiconductor Corporation.

1995 National Semiconductor Corporation

TL/F/10636

RRD-B30M75/Printed in U. S. A.

12 3 4 5 6 7...12

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