MC661P

Dual 4-Input NAND Gate, 15V, HTL Logic, Package: 14-Pin Plastic DIP, Description: Motorola high-threshold logic (MHTL) expander-compatible gate optimized for high-noise industrial processing networks. Equivalent: Teledyne HIN661 / Signetics HLL661 / National Semiconductor DM661N / ITT Semiconductors 661P