4042BDC, D Latch, 4-Func, Series *, Package Bulk, lifecycle_stage current.
| Parameter | Value |
|---|---|
| Series | * |
| Package | Bulk |
The 4042BDC is a D latch with four independent latch functions, used for temporary data storage in digital logic circuits.
The part is RoHS non-compliant, which restricts its use in assemblies that must meet EU RoHS exemption-free requirements.
A functional alternative is the 74FCT573APC, an 8-bit D-type transparent latch with tri-state outputs from the 74FCT family. It is not pin-compatible with the 4042BDC — the 4042BDC is a 4-function D latch in the 4000-series CMOS family — but it serves a similar storage/latching role in digital designs. For a direct 4000-series replacement, look at other 4042 variants (e.g., CD4042) with the same logic function and package style.
The 4042BDC is a D latch with four independent latch functions. Each latch captures the logic level on its D input when the clock is active and holds that state until the clock toggles again. It is used for temporary data storage, register implementation, and control-bit latching in CMOS logic systems.
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