Features: • Function, pinout and drive compatible with FCT and F logic• FCT-C speed at 6.1 ns max. FCT-A speed at 7.0 ns max.• Reduced VOH (typically = 3.3V) versions of equivalent FCT functions• Edge-rate control circuitry for significantly improved noise characteristics...
FCT399T: Features: • Function, pinout and drive compatible with FCT and F logic• FCT-C speed at 6.1 ns max. FCT-A speed at 7.0 ns max.• Reduced VOH (typically = 3.3V) versions of equivalent...
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The FCT399T is a high-speed quad dual-port register that selects four bits of data from either of two sources (Ports) under control of a common Select input (S). The selected data is transferred to a 4-bit output register synchronous with the LOW-to-HIGH transition of the Clock input (CP). The FCT399T 4-bit D-type output register is fully edge-triggered. The Data inputs (I0X, I1X) and Select input (S) must be stable only one set-up time prior to, and hold time after, the LOW-to-HIGH transition of the Clock input for predictable operation. The FCT399T offers true outputs.
The FCT399T outputs are designed with a power-off disable feature to allow for live insertion of boards.