BUY M74LS175P https://www.utsource.net/itm/p/11223349.html

Description: The M74LS175P is a 4-bit D-type register with a latch enable. It is a high-speed, low-power Schottky TTL device. Features: High-speed operation Low-power Schottky TTL 4-bit D-type register with latch enable Outputs source/sink 24 mA Input clamp diodes Outputs can be paralleled for higher current Applications: Data storage Data transfer Data manipulation Digital logic circuits (For reference only)