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54F657

Part Number	54F657
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	54F657 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...

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