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74F657 Octal Bidirectional Transceiver with

March 1988

Revised August 1999

74F657

Octal Bidirectional Transceiver with

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

General Description

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.

Features

s

300 Mil 24-pin slimline DIP

s

Combines 74F245 and 74F280A functions in one

package

s

3-STATE outputs

s

B Outputs sink 64 mA

s

12 mA source current, B side

s

Input diodes for termination effects

Ordering Code:

Order Number

75F657SC

74F657SPC

Package Number

M24B

N24C

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-100, 0.300 Wide

Devices also available in Tape and Reel. Specify by appending the suffix letter 鈥淴鈥?to the ordering code.

Logic Symbols

Connection Diagram

IEEE/IEC

漏 1999 Fairchild Semiconductor Corporation

DS009584

www.fairchildsemi.com

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75F657SC相關(guān)型號PDF文件下載

• 型號
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• 75F657SC
  英文版
  Octal Bidirectional Transceiver with 8-Bit Parity Generator/...
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• 75F657SC
  英文版
  Octal Bidirectional Transceiver with 8-Bit Parity Generator/...
  FAIRCHILD ...
  75F657SC
• 75F657SCX
  英文版
  Bus Transceiver, F/FAST Series, 1-Func, 8-Bit, True Output, ...
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