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74F399 Datasheet - National Semiconductor

74F399 Quad 2-Port Register

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.

74F399 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)

74F399 Datasheet (Direct Link)

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Datasheet Details

Part number:

74F399

Manufacturer:

National Semiconductor

File Size:

Direct Link

Description:

Quad 2-port register.

📁 Related Datasheet

74F393 Dual 4-bit binary ripple counter (Philips)

74F395 4-bit cascadable shift register (Philips)

74F398 Quad 2-Port Register (Fairchild)

74F398 Registers (Philips)

74F398 Quad 2-Port Register (National)

74F399 Registers (Philips)

74F30 8-input NAND gate (Philips)

74F30 8-Input NAND Gate (Fairchild)

TAGS

74F399 Quad 2-Port Register National Semiconductor

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