74F399 registers equivalent, registers.
74F398*,74F399
* Select inputs from two data sources
* Fully positive edge-triggered
* Both True and Complementary outputs
–74F398
DESCRIPTIO.
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 selected data enters the flip-flops on the rising e.
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