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74F657

Part Number	74F657
Manufacturer	National Semiconductor
Description	Octal Bidirectional Transceiver
Published	Aug 5, 2016
Detailed Description	54F 74F657 Octal Bidirectional Transceiver with 8-Bit Parity Generator Checker and TRI-STATE Outputs Obsolete December...
Datasheet	74F657 PDF File

Overview

54F 74F657 Octal Bidirectional Transceiver with 8-Bit Parity Generator Checker and TRI-STATE Outputs Obsolete December 1994 54F 74F657 Octal Bidirectional Transceiver with 8-Bit Parity Generator Checker and TRI-STATE Outputs General Description The ’F657 contains eight non-inverting buffers with TRI-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 (20 mA mil) at the A port and 64 mA (48 mA mil) at the B port Features Y 300 Mil 24-pin slimline DIP Y Combines ’F245 and ’F280A functions in one package Y TRI-STATE outputs Y B Outputs sink 64 mA (48 mA mil) Y 12 mA source current B side Y Input diodes for termination effects Commercial 74F657SPC 75F657SC (Note 1) Military 54F657SDM (Note 2) 54F657FM (Note 2) 54F657LM (Note 2) Package Number N24C J24F M24B W24C E28A Package Description 24-Lead (0 300 Wide) Molded Dual-In-Line 24-Lead (0 300 Wide) Ceramic Dual-In-Line 24-...

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