BUY TC74HC244AP https://www.utsource.net/itm/p/1400595.html
IC HC/UH SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDIP20, 0.300 INCH, 2.54 MM PITCH, PLASTIC, DIP-20, Bus Driver/Transceiver
Description: The TC74HC244AP is an 8-bit buffer/line driver with 3-state outputs.
Features:
High-speed operation: tpd = 6.0 ns (typ.) at VCC = 5 V
Low power dissipation: ICC = 1.0 μA (max) at Ta = 25°C
Wide operating voltage range: VCC (opr) = 2.0 to 6.0 V
Inputs compatible with various types of logic
Outputs source/sink 24 mA
Outputs can be connected to other open-drain outputs
Outputs can be connected to other 3-state outputs
Applications:
Data transmission between circuits with different power supply potentials
Bus-oriented systems
Memory decoders
High-speed line drivers and receivers
Level translators
(For reference only)