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X20C04

Xicor
Part Number X20C04
Manufacturer Xicor
Description Nonvolatile Static RAM
Published Apr 17, 2005
Detailed Description X20C04 4K X20C04 Nonvolatile Static RAM 512 x 8 Bit FEATURES DESCRIPTION The Xicor X20C04 is a 512 x 8 NOVRAM featur...
Datasheet PDF File X20C04 PDF File

X20C04
X20C04

Overview
X20C04 4K X20C04 Nonvolatile Static RAM 512 x 8 Bit FEATURES DESCRIPTION The Xicor X20C04 is a 512 x 8 NOVRAM featuring a static RAM overlaid bit-for-bit with a nonvolatile electrically erasable PROM (E2PROM).
The X20C04 is fabricated with advanced CMOS floating gate technology to achieve low power and wide power-supply margin.
The X20C04 features the JEDEC approved pinout for bytewide memories, compatible with industry standard RAMs, ROMs, EPROMs, and E2PROMs.
The NOVRAM design allows data to be easily transferred from RAM to E2PROM (store) and E2PROM to RAM (recall).
The store operation is completed in 5ms or less and the recall operation is completed in 5µs or less.
Xicor NOVRAMS are designed for unlimited write operations to RAM, either from the host or recalls from E2PROM, and a minimum 1,000,000 store operations to the E2PROM.
Data retention is specified to be greater than 100 years.
• • • • • • High Reliability —Endurance: 1,000,000 Nonvolatile Store Operations —Retention: 100 Years Minimum Power-on Recall —E2PROM Data Automatically Recalled Into SRAM Upon Power-up Lock Out Inadvertent Store Operations Low Power CMOS —Standby: 250µA Infinite E2PROM Array Recall, and RAM Read and Write Cycles Compatible with X2004 PIN CONFIGURATION PLASTIC CERDIP NC LCC PLCC VCC WE NE NC NC A7 NE NC 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 28 27 26 25 24 23 22 X20C04 21 20 19 18 17 16 15 VCC WE NC A8 NC NC OE NC CE I/O7 I/O6 I/O5 I/O4 I/O3 A6 A5 A4 A3 A2 A1 A0 NC I/O0 5 6 7 8 9 4 3 2 1 32 31 30 29 28 27 26 A8 NC NC NC OE NC CE I/O7 I/O6 X20C04 (TOP VIEW) 25 24 23 22 10 11 12 13 21 14 15 16 17 18 19 20 I/O1 I/O2 VSS NC I/O3 I/O4 I/O5 3825 FHD F02 3825 FHD F03 ©Xicor, Inc.
1992, 1995, 1996 Patents Pending 3825-2.
8 7/31/97 T4/C0/D0 SH 1 Characteristics subject to change without notice X20C04 PIN DESCRIPTIONS Addresses (A0–A8) The Address inputs select an 8-bit memory location during a read or write operation.
Chip Enabl...


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