74F552

更新时间： 2024-11-20 22:49:47

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		/
页数	文件大小	规格书
8页	83K
描述
Octal Registered Transceiver with Parity and Flags

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数据手册

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74F552 数据手册

April 1988

Revised March 2000

74F552

Octal Registered Transceiver with Parity and Flags

General Description

Features

The 74F552 octal transceiver contains two 8-bit registers

for temporary storage of data flowing in either direction.

Each register has its own clock pulse and clock enable

input as well as a flag flip-flop that is set automatically as

the register is loaded. The flag output will be reset when

the output enable returns to HIGH after reading the output

port. Each register has a separate output enable control for

its 3-STATE buffer. The separate Clocks, Flags, and

Enables provide considerable flexibility as I/O ports for

demand-response data transfer. When data is transferred

from the A Port to the B Port, a parity bit is generated. On

the other hand, when data is transferred from the B Port to

the A Port, the parity of input data on B₀–B₇is checked.

■ 8-Bit bidirectional I/O Port with handshake

■ Register status flag flip-flops

■ Separate clock enable and output enable

■ Parity generation and parity check

■ B-outputs sink 64 mA

■ 3-STATE outputs

Ordering Code:

Order Number Package Number

Package Description

74F552SC

74F552QC

M28B

V28A

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

28-Lead Plastic Lead Chip Carrier (PLCC), JEDEC MO-047, 0.450 Square

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

Connection Diagrams

Pin Assignments for SOIC

Pin Assignments for PLCC

DS009561

www.fairchildsemi.com

12 3 4 5 6 7 8

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与74F552相关器件

型号	品牌	获取价格	描述	数据表
74F552DC	FAIRCHILD	获取价格	Registered Bus Transceiver, F/FAST Series, 1-Func, 8-Bit, True Output, TTL, CDIP28, CERAMI
74F552DCQR	FAIRCHILD	获取价格	Registered Bus Transceiver, F/FAST Series, 1-Func, 8-Bit, True Output, TTL, CDIP28, CERAMI
74F552DCQR	TI	获取价格	F/FAST SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, CDIP28, CERAMIC, DIP-28
74F552FCQR	TI	获取价格	F/FAST SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, CDFP28, FP-28
74F552L1C	FAIRCHILD	获取价格	Registered Bus Transceiver, F/FAST Series, 1-Func, 8-Bit, True Output, TTL, CQCC28, CERAMI
74F552L1CQR	FAIRCHILD	获取价格	Registered Bus Transceiver, F/FAST Series, 1-Func, 8-Bit, True Output, TTL, CQCC28, CERAMI
74F552LC	TI	获取价格	F/FAST SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, CQCC28, CERAMIC, LCC-28
74F552LCQR	TI	获取价格	F/FAST SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, CQCC28, CERAMIC, LCC-28
74F552PC	FAIRCHILD	获取价格	Registered Bus Transceiver, F/FAST Series, 1-Func, 8-Bit, True Output, TTL, PDIP28, PLASTI
74F552PCQR	TI	获取价格	F/FAST SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDIP28, PLASTIC, DIP-28