TECHNICAL DATA IN74HC299A 8-Bit Bidirectional Universal Shift Register with Parallel I/O High-Performance Silicon-Gate CMOS The IN74HC299A is identical in pinout to the LS/ALS299.
The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LS/ALSTTL outputs.
The IN74HC299A features a multiplexed parallel input/output data port to achieve full 8-bit handling in a 20 pin package.
Due to the large output drive capability and the 3-state feature, this device is ideally suited for interface with bus lines in a bus-oriented system.
Two Mode-Select inputs and two Output Enable inputs are used to choose the mode of operation as listed in the Functio...

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