DESCRIPTION
The XM28C040 is a high density 4 Megabit E2PROM comprised of four X28C010s mounted on a co-fired multilayered ceramic substrate. Individual components are 100% tested prior to assembly in module form and then 100% tested after assembly.

TYPICAL FEATURES
• High Density 4 Megabit (512K x 8) Module
• Access Time of 200ns at –55°C to +125°C
• Base Memory Component: Xicor X28C010
• Pinout Conforms to JEDEC Standard for
    4 Megabit E2PROM
• Fast Write Cycle Times
    —256 Byte Page Write
• Early End of Write Detection
    —DATA Polling
    —Toggle Bit Polling
• Software Data Protection
• Three Temperature Ranges
    —Commercial: 0°C to +75°C
    —Industrial: –40° to +85°C
    —Military: –55° to +125°C
• High Rel Modules all Components are MIL-STD-883 Compliant
• Endurance: 100,000 Cycles