What this 8-bit D-type does in the assembly
The Texas Instruments SN74LVC374APW is an 8-bit D-type flip-flop with tri-state, non-inverted outputs, positive-edge triggered. It belongs to the 74LVC family, designed for 1.65 V to 3.6 V operation, making it a natural fit for mixed-voltage digital systems where a 3.3 V bus needs to interface with a 1.8 V core logic plane. The 20-TSSOP package is compact enough for dense boards but still hand-solderable with a fine tip and steady hands — no hot-air station required for a field swap if you have a decent iron and some flux.
100 MHz clock — timing margin for bus latching
Rated for a 100 MHz clock frequency, this part can latch address or data buses in most microcontroller and DSP systems without being the timing bottleneck. Propagation delay sits at 7 ns typical at 3.3 V with a 50 pF load, which gives you a solid setup-and-hold budget for a 10 ns to 20 ns bus cycle. If you are running a 48 MHz or 72 MHz MCU, this flip-flop will not be the one forcing wait states.
Supply range and output drive — BOM-fit details
The 1.65 V to 3.6 V supply range covers the common 1.8 V and 3.3 V rails, and the 24 mA sink/source per output can drive a handful of LED indicators or a short ribbon cable without extra line drivers. Quiescent current is only 10 µA, so it will not drain a battery-powered system in sleep mode. Input capacitance is 4 pF per pin, which keeps the bus loading light even when you have multiple flip-flops on the same address lines.
Lifecycle and sourcing reality
It is ROHS3 compliant, so it meets the latest environmental directives without a waiver. If you are filling a BOM line for a production run or a prototype batch, this is a straightforward part to qualify.
