BUY 74HC00A https://www.utsource.net/itm/p/1090089.html
Quad 2-input NAND gate
Description: Quad 2-Input NAND Gate
Features:
High-speed operation
Low power consumption
Inputs accept voltages up to 7V
Outputs source/sink 24mA
Compatible with TTL outputs
Outputs can be connected directly to CMOS, NMOS and TTL
Inputs are TTL compatible
Application:
Data transmission
Logic gating
Timing and control circuits
Signal conditioning
Memory address decoding
Pulse generation
Interface circuits
(For reference only)