BUY 74LS55 https://www.utsource.net/itm/p/1720644.html
2 WIDE 4 INPUT AND ORINVERT GATES
Description: The 74LS55 is a logic chip manufactured by Panasonic. It is a dual 4-input positive-AND gate.
Features:
Low power consumption
High noise immunity
High speed operation
Low power Schottky TTL (LSTTL) compatible
Outputs source/sink 24mA
Applications:
Data processing
Logic level conversion
Glue logic
Signal buffering
Memory address decoding
Digital logic control
(For reference only)
