Dual 2-bit transparent latch for 5V bus-hold applications
The Texas Instruments CD74HCT75M is a 74HCT-series D-type transparent latch containing two independent 2-bit latch circuits with differential outputs.
11ns propagation delay — timing margin for 5V buses
With an 11ns propagation delay, this latch adds minimal skew in a 5V address or data path. At typical bus speeds up to 20-30 MHz, the delay leaves comfortable setup-and-hold margin for the downstream flip-flop or memory. The differential outputs let you drive both true and complement signals without an external inverter, saving board area and one gate delay.
4mA output drive — fan-out and load considerations
The 4mA source and 4mA sink capability is typical for HCT logic. It can drive up to ten standard LSTTL loads or a handful of CMOS inputs. For longer traces or higher capacitive loads, plan a buffer or use the 74FCT573APC which offers 15mA drive — but note that part is through-hole and 0°C to 70°C only, so the CD74HCT75M's surface-mount 16-SOIC and wider temperature range may be the deciding factors for your BOM.