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74F398

Part Number	74F398
Manufacturer	National
Description	Quad 2-Port Register
Published	May 28, 2005
Detailed Description	54F 74F398 54F 74F399 Quad 2-Port Register May 1995 54F 74F398 54F 74F399 Quad 2-Port Register General Description...
Datasheet	74F398 PDF File

Overview

... 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 Y Y Y Select inputs from two data sources Fully positive edge-triggered operation Both true and complement outputs ’F398 Guaranteed 4000V minimum ESD protection ’F399 Commercial 74F398PC Military Package Number N20A Package Description 20-Lead (0 300 Wide) Molded Dual-In-Line 20-Lead Ceramic Dual-In-Line 20-Lead (0 3...

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