MOTOROLA SEMICONDUCTOR TECHNICAL DATA Octal 3-State Noninverting Transparent Latch with LSTTL-Compatible Inputs High–Performance Silicon–Gate CMOS The MC54/74HCT373A may be used as a level converter for interfacing TTL or NMOS outputs to High–Speed CMOS inputs.
The HCT373A is identical in pinout to the LS373.
The eight latches of the HCT373A are transparent D–type latches.
While the Latch Enable is high the Q outputs follow the Data Inputs.
When Latch Enable is taken low, data meeting the setup and hold times becomes latched.
The Output Enable does not affect the state of the latch, but when Output Enable is high, all outputs are forced to the high–impedance state.
Thus, data may be latched...

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