5962-01-192-8402 (100A406-2)
NSN 5962-01-192-8402 (NIIN 01-192-8402) is a digital microcircuit in Federal Supply Class 5962, Microcircuits, Electronic — a microcircuit specifically designed to generate, modify, or process electrical signals which operate with two distinct or binary states. Manufacturer part number 100A406-2 (Lockheed Martin Corporation, CAGE 03640); also referenced as MPD20785AJ, SN54S257 (Texas Instruments Incorporated).
Key specs: 4 selector, data, multiplexer, two to one line; dual-in-line ceramic enclosure; electrostatic sensitive, burn in; -55 to 125 °C operating range; full characteristics table below. NIIN assigned October 1984; DEMIL Q (Commerce Control List); ESD/EMI-sensitive; unit of issue EA (each), $7.90 gov standard price; export Schedule B 8542.90.0000.