HD74AC298/HD74ACT298 Quad 2-Input Multiplexer with Storage Description This device is a high-speed multiplexer with storage.
It selects four bits of data from two sources (Ports) under the control of a common Select input (S).
The selected data is transferred to the 4-bit output register synchronous with the HIGH-to-LOW transition of the Clock input ( CP ).
The 4-bit register is fully edge triggered.
The Data inputs (I0 and I1) and Select input (S) must be stable only one setup time prior to the HIGH-to-LOW transition of the clock for predictable operation.
Features • Outputs Source/Sink 24 mA • HD74ACT298 has TTL-Compatible Inputs Pin Arrangement I1b 1 I1a 2 I0a 3 I0b 4 I1c 5 I1d 6 I0d ...

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