74F657

更新时间： 2024-09-23 22:49:47

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		/
页数	文件大小	规格书
7页	64K
描述
Octal Bidirectional Transceiver with 8-Bit Parity Generator/Checker and 3-STATE Outputs

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74F657 数据手册

March 1988

Revised August 1999

74F657

Octal Bidirectional Transceiver with

8-Bit Parity Generator/Checker and 3-STATE Outputs

General Description

Features

■ 300 Mil 24-pin slimline DIP

The 74F657 contains eight non-inverting buffers with 3-

STATE outputs and an 8-bit parity generator/checker. It is

intended for bus-oriented applications. The buffers have a

guaranteed current sinking capability of 24 mA at the A

Port and 64 mA at the B Port.

■ Combines 74F245 and 74F280A functions in one

package

■ 3-STATE outputs

■ B Outputs sink 64 mA

■ 12 mA source current, B side

■ Input diodes for termination effects

Ordering Code:

Order Number Package Number

Package Description

75F657SC

M24B

N24C

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

24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-100, 0.300 Wide

74F657SPC

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

Logic Symbols

Connection Diagram

IEEE/IEC

DS009584

www.fairchildsemi.com

12 3 4 5 6 7

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型号	品牌	获取价格	描述	数据表
74F657AD	YAGEO	获取价格	Bus Transceiver, F/FAST Series, 1-Func, 8-Bit, True Output, TTL, PDSO24
74F657AN	YAGEO	获取价格	Bus Transceiver, F/FAST Series, 1-Func, 8-Bit, True Output, TTL, PDIP24
74F657DC	FAIRCHILD	获取价格	Bus Transceiver, F/FAST Series, 1-Func, 8-Bit, True Output, TTL, CDIP24, CERAMIC, DIP-24
74F657PCQR	FAIRCHILD	获取价格	Bus Transceiver, F/FAST Series, 1-Func, 8-Bit, True Output, TTL, PDIP24, PLASTIC, DIP-24
74F657QC	FAIRCHILD	获取价格	Bus Transceiver, F/FAST Series, 1-Func, 8-Bit, True Output, TTL, PQCC28, PLASTIC, CC-28
74F657QCQR	FAIRCHILD	获取价格	Bus Transceiver, F/FAST Series, 1-Func, 8-Bit, True Output, TTL, PQCC28, PLASTIC, CC-28
74F657SC	FAIRCHILD	获取价格	Bus Transceiver, F/FAST Series, 1-Func, 8-Bit, True Output, TTL, PDSO24, 0.150 INCH, SOIC-
74F657SC	ROCHESTER	获取价格	Bus Transceiver, F/FAST Series, 1-Func, 8-Bit, True Output, TTL, PDSO24, 0.150 INCH, SOIC-
74F657SCQR	FAIRCHILD	获取价格	暂无描述
74F657SCQR	TI	获取价格	暂无描述