MM54HC51 MM74HC51 Dual AND-OR-Invert Gate MM54HC58.
National Semiconductor
MM74HC51 - AND-OR-Invert Gate
MM54HC51 MM74HC51 Dual AND-OR-Invert Gate MM54HC58 MM74HC58 Dual AND-OR Gate January 1988 MM54HC51 MM74HC51 Dual AND-OR-Invert Gate MM54HC58 MM74HC5.
