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 which of two 4-bit words is accepted. The selected data enters the flip-flops on the rising edge of the clock.

FEATURES
• Select inputs from two data sources
• Fully positive edge-triggered
• Both True and Complementary outputs–74F398