BUY SN74HC595 https://www.utsource.net/itm/p/5173001.html
8-BIT SHIFT REGISTERS WITH 3-STATE OUTPUT REGISTERS
Description: 8-Bit Shift Register with 3-State Outputs
Features:
Wide Operating Voltage Range of 2 V to 6 V
Outputs Can Drive Up to 10 LSTTL Loads
Low Power Consumption, 20-μA Max Icc
Typical tpd = 14 ns
±4-mA Output Drive at 5 V
Low Input Current of 1 μA Max
Pin and Function Compatible With SN54HC595
Applications:
Data Storage
Data Transmission
Data Processing
Bus Interface
(For reference only)