MM74HC573 3-STATE Octal D-Type Latch September 1983 Revised May 2005 MM74HC573 3-STATE Octal D-Type Latch General Description The MM74HC573 high speed octal D-type latches utilize advanced silicon-gate P-well CMOS technology.
They possess the high noise immunity and low power consumption of standard CMOS integrated circuits, as well as the ability to drive 15 LS-TTL loads.
Due to the large output drive capability and the 3-STATE feature, these devices are ideally suited for interfacing with bus lines in a bus organized system.
When the LATCH ENABLE(LE) input is HIGH, the Q outputs will follow the D inputs.
When the LATCH ENABLE goes LOW, data at the D inputs will be retained at the output...

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