BUY TC74HC640AP https://www.utsource.net/itm/p/1724024.html
OCTAL BUS TRANSCEIVER
Description: The TC74HC640AP is a high-speed CMOS logic IC containing a 8-bit parallel-in/serial-out shift register and an 8-bit D-type flip-flop.
Features:
High speed: tpd = 8.0 ns (typ.) at VCC = 5 V
Low power dissipation: ICC = 1 μA (max) at Ta = 25°C
High noise immunity: VNIH = VNIL = 28% VCC (min)
Outputs can be connected to form a 16-bit shift register
TTL compatible inputs
Outputs source/sink 24 mA
Operating voltage range: 2.0 to 6.0 V
Applications:
Data transmission systems
Data storage systems
Data processing systems
Word processing systems
Interface systems
(For reference only)