SN7420N

Dual 4-Input Positive-NAND Gate logic array, standard 14-pin plastic dual-in-line (DIP) package footprint manufactured by Texas Instruments. Coordinates basic logic gating actions across two independent 4-input channels while maintaining a low static propagation profile. Used inside wide address decoders, microprocessing reset control nodes, and multi-condition digital validation frameworks. Industry exact equivalents include Signetics N7420N, Fairchild DM7420N, Motorola MC7420N, and NTE7420. Historical equipment applications include Williams Star Shuttle pinball, Atari Pole Position cabinets, Rowe R-86 central cards, Roland System 100, and Gottlieb Black Hole pinball tables.