Datasheet > 74ACQ646FCX

74ACQ646FCX

更新时间： 2024-09-25 08:44:27

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	213K
描述
AC SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, CDFP24, CERAMIC, FP-24

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74ACQ646FCX 数据手册

March 1993

74ACQ646 54ACTQ/74ACTQ646

Quiet Series Octal Transceiver/Register

with TRI-STATE Outputs

General Description

Features

Guaranteed simultaneous switching noise level and

dynamic threshold performance

The ’ACQ/’ACTQ646 consist of registered bus transceiver

circuits, with outputs, D-type flip-flops, and control circuitry

providing multiplexed transmission of data directly from the

input bus or from the internal storage registers. Data on the

A or B bus will be loaded into the respective registers on the

LOW-to-HIGH transition of the appropriate clock pin (CPAB

or CPBA). The four fundamental handling functions avail-

able are illustrated in Figures 1–4.

Guaranteed pin-to-pin skew AC performance

Independent registers for A and B busses

Multiplexed real-time and stored data transfers

300 mil slim dual-in-line package

Outputs source/sink 24 mA

Faster prop delays than the standard ’AC/’ACT646

4 kV minimum ESD immunity

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.

Standard Military Drawing (SMD)

Ð ’ACTQ646: 5962-92196

Logic Symbols

Connection Diagrams

Pin Assignment

for DIP, Flatpak and SOIC

IEEE/IEC

TL/F/10635–1

Pin Names

Description

TL/F/10635–3

A –A

Data Register A Inputs

Data Register A Outputs

Data Register B Inputs

Data Register B Outputs

Pin Assignment

for LCC

B –B

CPAB, CPBA Clock Pulse Inputs

SAB, SBA

Transmit/Receive Inputs

TL/F/10635–2

Output Enable Input

DIR

Direction Control Input

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

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

TL/F/10635–4

1995 National Semiconductor Corporation

TL/F/10635

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

12 3 4 5 6 7...12

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与74ACQ646FCX相关器件

型号	品牌	获取价格	描述	数据表
74ACQ646LC	TI	获取价格	AC SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, CQCC28, CERAMIC, LCC-28
74ACQ646LCQR	TI	获取价格	IC AC SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, CQCC28, CERAMIC, LCC-28, Bus Driv
74ACQ646QC	TI	获取价格	AC SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PQCC28, PLASTIC, LCC-28
74ACQ646SC	FAIRCHILD	获取价格	Quiet Series⑩ Octal Transceiver/Register with
74ACQ646SC	ROCHESTER	获取价格	Registered Bus Transceiver, AC Series, 1-Func, 8-Bit, True Output, CMOS, PDSO24, 0.300 INC
74ACQ646SCQR	TI	获取价格	AC SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24, SOIC-24
74ACQ646SCX	FAIRCHILD	获取价格	Single 8-bit Bus Transceiver
74ACQ646SCX	ROCHESTER	获取价格	Registered Bus Transceiver, AC Series, 1-Func, 8-Bit, True Output, CMOS, PDSO24, 0.300 INC
74ACQ646SDC	TI	获取价格	AC SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, CDIP24, 0.300 INCH, SLIM, CERAMIC, D
74ACQ646SDCQR	TI	获取价格	AC SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, CDIP24, 0.300 INCH, SLIM, CERAMIC, D

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