54F399_NationalSemiconductor.pdf
Datasheet Details
Part number:
54F398, 54F399
Manufacturer:
National Semiconductor
File Size:
196.25 KB
Description:
Quad 2-port register.
Note:
This datasheet PDF includes multiple part numbers: 54F398, 54F399.
Please refer to the document for exact specifications by model.
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
54F398 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 74F398PC 74F398SC (Note 1) 74F399PC 74F399SC (Note 1) 74F399SJ (Note 1) Military 54F398DM (Note 2) 54F398FM (Note 2)
54F398 Distributor
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