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XM28C020 Datasheet(PDF) 1 Page - Xicor Inc. |
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XM28C020 Datasheet(HTML) 1 Page - Xicor Inc. |
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1 / 16 page  XM28C020 1 5 Volt, Byte Alterable E2PROM © Xicor, Inc. 1991, 1995, 1996 Patents Pending Characteristics subject to change without notice 3872-1.9 6/18/97 T1/C0/D0 SH TYPICAL FEATURES • High Density 2 Megabit (256K x 8) Module • Access Time of 150ns at –55 °C to +125°C • Base Memory Component: Xicor X28C513 • Pinout conforms to JEDEC Standard for 2 Megabit E2PROM • Fast Write Cycle Times —128 Byte Page Write —Byte or Page Write Cycle: 5ms Typical —Complete Memory Rewrite: 10 Seconds • 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 Module —100% MIL-STD-883 Compliant Components • Endurance: 100,000 Cycles DESCRIPTION The XM28C020 is a high density 2 Megabit E2PROM comprised of four X28C513 LCCs 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. The XM28C020 is configured 256K x 8 bit. The module supports a 128-byte page write operation. This com- bined with DATA Polling or Toggle Bit Polling, effectively provides a 39 µs/byte write cycle, enabling the entire array to be rewritten in 10 seconds. The XM28C020 provides the same high endurance and data retention as the X28C513. 3872 FHD F01 WE OE CE A16 A17 I/O0–I/O7 X28C513 A0–A15 I/O0–I/O7 CE WE OE X28C513 A0–A15 I/O0–I/O7 CE WE OE X28C513 A0–A15 I/O0–I/O7 CE WE OE X28C513 A0–A15 I/O0–I/O7 CE WE OE A0–A15 2 Megabit Module XM28C020 256K x 8 Bit FUNCTIONAL DIAGRAM PIN CONFIGURATION 3872 FHD F02 NC A16 A15 A12 A7 A6 A5 A4 A3 A2 A1 A0 I/O0 I/O1 I/O2 VSS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 VCC WE A17 A14 A13 A8 A9 A11 OE A10 CE I/O7 I/O6 I/O5 I/04 I/O3 XM28C020 |
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