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54F398

Part Number	54F398
Manufacturer	National Semiconductor
Description	Quad 2-Port Register
Published	Aug 5, 2016
Detailed Description	54F 74F398 54F 74F399 Quad 2-Port Register www.DataSheet4U.com May 1995 54F 74F398 54F 74F399 Quad 2-Port Registe...
Datasheet	54F398 PDF File

Overview

54F 74F398 54F 74F399 Quad 2-Port Register www.
DataSheet4U.
com May 1995 54F 74F398 54F 74F399 Quad 2-Port Register General Description The ’F398 and ’F399 are the logical equivalents of a quad 2-input multiplexer feeding into four edge-triggered flipflops A common Select input determines which of the two 4-bit words is accepted The selected data enters the flipflops on the rising edge of the clock The ’F399 is the 16-pin version of the ’F398 with only the Q outputs of the flip-flops available Features Y Select inputs from two data sources Y Fully positive edge-triggered operation Y Both true and complement outputs ’F398 Y Guaranteed 4000V minimum ESD protection ’F399 Commercial 74...

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