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U635H256 - POWER STORE 32K X 8 NVSRAM

General Description

The U635H256 has two separate modes of operation: SRAM mode and nonvolatile mode.

In SRAM mode, the memory operates as an ordinary static RAM.

Key Features

  • F High-performance CMOS non- volatile static RAM 32768 x 8 bits F 25, 35 and 45 ns Access Times F 10, 15 and 20 ns Output Enable Access Times F ICC = 15 mA at 200 ns Cycle Time F Automatic STORE to EEPROM on Power Down using system capacitance F Software initiated STORE F Automatic STORE Timing F 105 STORE cycles to EEPROM F 10 years data retention in EEPROM F Automatic RECALL on Power Up F Software RECALL Initiation F Unlimited RECALL cycles from EEPROM F Single 5 V ± 10 % Operation F Operating.

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Datasheet Details

Part number U635H256
Manufacturer Unknown Manufacturer
File Size 205.75 KB
Description POWER STORE 32K X 8 NVSRAM
Datasheet download datasheet U635H256 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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U635H256 PowerStore 32K x 8 nvSRAM Features F High-performance CMOS non- volatile static RAM 32768 x 8 bits F 25, 35 and 45 ns Access Times F 10, 15 and 20 ns Output Enable Access Times F ICC = 15 mA at 200 ns Cycle Time F Automatic STORE to EEPROM on Power Down using system capacitance F Software initiated STORE F Automatic STORE Timing F 105 STORE cycles to EEPROM F 10 years data retention in EEPROM F Automatic RECALL on Power Up F Software RECALL Initiation F Unlimited RECALL cycles from EEPROM F Single 5 V ± 10 % Operation F Operating temperature range: 0 to 70 °C -40 to 85 °C F CECC 90000 Quality Standard F ESD characterization according MIL STD 883C M3015.