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74F398

Part Number	74F398
Manufacturer	Fairchild
Description	Quad 2-Port Register
Published	May 28, 2005
Detailed Description	74F398 • 74F399 Quad 2-Port Register April 1988 Revised August 1999 74F398 • 74F399 Quad 2-Port Register General Descr...
Datasheet	74F398 PDF File

Overview

74F398 • 74F399 Quad 2-Port Register April 1988 Revised August 1999 74F398 • 74F399 Quad 2-Port Register General Description The 74F398 and 74F399 are the logical equivalents of a quad 2-input multiplexer feeding into four edge-triggered flip-flops.
A common Select input determines which of the two 4-bit words is accepted.
The selected data enters the flip-flops on the rising edge of the clock.
The 74F399 is the 16-pin version of the 74F398, with only the Q outputs of the flip-flops available.
Features s Select inputs from two data sources s Fully positive edge-triggered operation s Both true and complement outputs—74F398 Ordering Code: Order Number 74F398SC 74F398PC 74F399SC 74F399SJ 74...

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