These 8-bit latches feature 3-state outputs designed specifically for driving highly capaciTIve or relaTIvely low-impedance loads. They are parTIcularly suitable for implemenTIng buffer registers, I/O ports, bidirectional bus drivers, and working registers.
The eight latches of the ’HC373 devices are transparent D-type latches. While the latch-enable (LE) input is high, the Q outputs follow the data (D) inputs. When LE is taken low, the Q outputs are latched at the levels that were set up at the D inputs.
An output-enable (OE)\ input places the eight outputs in either a normal logic state (high or low logic levels) or the high-impedance state. In the high-impedance state, the outputs neither load nor drive the bus lines significantly.
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