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Part Number 22C10
Manufacturers CatalystSemiconductor
Logo CatalystSemiconductor
Description 256-BitNonvolatileCMOSStaticRAM
Datasheet 22C10 Datasheet22C10 Datasheet (PDF)

  22C10   22C10
CAT22C10 256-Bit Nonvolatile CMOS Static RAM FEATURES s Single 5V Supply s Fast RAM Access Times: s Low CMOS Power Consumption: –200ns –300ns s Infinite E PROM to RAM Recall s CMOS and TTL Compatible I/O s Power Up/Down Protection s 100,000 Program/Erase Cycles (E2PROM) 2 –Active: 40mA Max. –Standby: 30 µA Max. s JEDEC Standard Pinouts: –18-pin DIP –16-pin SOIC s 10 Year Data Retention s Commercial, Industrial and Automotive Temperature Ranges DESCRIPTION The CAT22C10 NVRAM is a 256-bit nonvolatile memory organized as 64 words x 4 bits. The high speed Static RAM array is bit for bit backed up by a nonvolatile E2PROM array which allows for easy transfer of data from RAM array to E2PROM (STORE) and from E2PROM to RAM (RECALL). STORE operations are completed in 10ms max. and RECALL operations typically within 1.5µs. The CAT22C10 features unlimited RAM write operations either through external RAM writes or internal recalls from E2PROM. Internal false store protection circuitry prohibi.



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