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74F399 Datasheet

The 74F399 is a Quad 2-Port Register. Download the datasheet PDF and view key features and specifications below.

Part Number74F399
ManufacturerNational Semiconductor
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 s. 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) .
Part Number74F399
DescriptionRegisters
ManufacturerPhilips Semiconductors
Overview The 74F398 and 74F399 are the logical equivalent of a quad 2-input multiplexer feeding into four edge-triggered flip-flops. A common Select input determines which of two 4-bit words is accepted. The s. 74F398*,74F399
* Select inputs from two data sources
* Fully positive edge-triggered
* Both True and Complementary outputs
  –74F398 DESCRIPTION The 74F398 and 74F399 are the logical equivalent of a quad 2-input multiplexer feeding into four edge-triggered flip-flops. A common Select input determines.