Product Summary

The MC74LCX16373 is a high performance, non?inverting 16?bittransparent latch operating from a 2.3 V to 3.6 V supply. The device isbyte controlled. Each byte has separate Output Enable and Latch Enableinputs. These control pins can be tied together for full 16?bit operation.High impedance TTL compatible inputs significantly reduce currentloading to input drivers while TTL compatible outputs offer improvedswitching noise performance. A VI specification of 5.5 V allowsMC74LCX16373 inputs to be safely driven from 5.0 V devices.The MC74LCX16373 contains 16 D?type latches with 3?state5.0 V?tolerant outputs. When the Latch Enable (LEn) inputs are HIGH,data on the Dn inputs enters the latches. In this condition, the latches aretransparent, i.e., a latch output will change state each time its D inputchanges. When LE is LOW, the latches store the information that waspresent on the D inputs a setup time preceding the HIGH?to?LOWtransition of LE. The 3?state outputs are controlled by the OutputEnable (OEn) inputs. When OE is LOW, the outputs are enabled. WhenOE is HIGH, the standard outputs are in the high impedance state, butthis does not interfere with new data entering into the latches.