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74F657 Datasheet PDF

Fairchild Semiconductor 74F657

The 74F657 contains eight non-inverting buffers with 3STATE 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.
Part No. 74F657
Datasheet 74F657 Download
Manufacturer
Fairchild Semiconductor
Description Octal Bidirectional Transceiver
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74F657 datasheet page 1 preview

GENERAL DESCRIPTION

It is intended for bus-oriented applications.

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 “X” to the ordering code. Logic Symbols Connection Diagram IEEE/IEC © 1999 Fairchild Semiconductor Corporation DS009584 74F657 Unit Loading/Fan Out U.L. Pin Names A0–A7

DESCRIPTION

HIGH/LOW Data Inputs/ 3-STATE Outputs B0–B7 Data Inputs/ 3-STATE Outputs T/R OE PARITY Transmit/Receive Input Enable Input Parity Input/ 3-STATE Output ODD/EVEN ERROR ODD/EVEN Parity Input Error Output 4.5/0.15 150/40 (33.3) 3.5/0.1...
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