Datasheet > 74ACTQ646SPC

74ACTQ646SPC

更新时间： 2024-10-31 23:24:03

品牌	Logo	应用领域
其他 - ETC		总线收发器逻辑集成电路光电二极管
页数	文件大小	规格书
10页	99K
描述
Single 8-bit Bus Transceiver

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74ACTQ646SPC 数据手册

January 1990

Revised September 2000

74ACQ646 • 74ACTQ646

Quiet Series Octal Transceiver/Register

with 3-STATE Outputs

General Description

Features

■ Guaranteed simultaneous switching noise level and

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

available are illustrated in Figure 1, Figure 2, Figure 3 and

Figure 4.

dynamic threshold performance

■ 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

The ACQ/ACTQ utilizes Fairchild Quiet Series technol-

ogy to guarantee quiet output switching and improved

dynamic threshold performance. FACT Quiet Series fea-

tures GTO output control and undershoot corrector in

addition to a split ground bus for superior performance.

Ordering Code:

Order Number

74ACQ646SC

Package Number

M24B

Package Description

24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide

24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide

24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide

24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide

74ACQ464ASPC

74ACTQ646SC

74ACTQ464ASPC

N24C

M24B

N24C

Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.

Connection Diagram

Pin Descriptions

Pin Names

A₀–A₇

Descriptions

Data Register A Inputs

Data Register A Outputs

Data Register B Inputs

Data Register B Outputs

Clock Pulse Inputs

B₀–B₇

CPAB, CPBA

SAB, SBA

Transmit/Receive Inputs

Output Enable Input

DIR

Direction Control Input

FACT , Quiet Series , FACT Quiet Series and GTO are trademarks of Fairchild Semiconductor Corporation

DS010635

www.fairchildsemi.com

12 3 4 5 6 7...10

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与74ACTQ646SPC相关器件

型号	品牌	获取价格	描述	数据表
74ACTQ646SPCQR	TI	获取价格	ACT SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDIP24, 0.300 INCH, SLIM, PLASTIC,
74ACTQ652	FAIRCHILD	获取价格	Quiet Series⑩ Transceiver/Register
74ACTQ652CW	FAIRCHILD	获取价格	Registered Bus Transceiver, ACT Series, 1-Func, 8-Bit, True Output, CMOS, DIE
74ACTQ652MTC	FAIRCHILD	获取价格	Quiet Series⑩ Transceiver/Register
74ACTQ652MTCX	ETC	获取价格	Single 8-bit Bus Transceiver
74ACTQ652PC	TI	获取价格	ACT SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDIP24, PLASTIC, DIP-24
74ACTQ652SC	FAIRCHILD	获取价格	Quiet Series⑩ Transceiver/Register
74ACTQ652SC	TI	获取价格	ACT SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24, 0.300 INCH, PLASTIC, SOIC-2
74ACTQ652SCQR	TI	获取价格	ACT SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24, SOIC-24
74ACTQ652SCX	FAIRCHILD	获取价格	Registered Bus Transceiver, ACT Series, 1-Func, 8-Bit, True Output, CMOS, PDSO24, 0.300 IN

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