Full PDF Text Transcription for DS1645Y (Reference)
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DS1645Y. For precise diagrams, and layout, please refer to the original PDF.
DS1645Y/AB DS1645Y/AB Partitionable 1024K NV SRAM FEATURES • 10 years minimum data retention in the absence of external power • Data is automatically protected during pow...
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absence of external power • Data is automatically protected during power loss • Directly replaces 128K x 8 volatile static RAM • Write protects selected blocks of memory when pro- grammed • Unlimited write cycles • Low–power CMOS • Read and write access times as fast as 70 ns • Lithium energy source is electrically disconnected to retain freshness until power is applied for the first time • Full +10% VCC operating range (DS1645Y) • Optional +5% VCC operating range (DS1645AB) • Optional industrial temperature range of –40°C to +85°C, designated IND • JEDEC standard 32–pin DIP package • Low Profile Module (LPM) package – Fit
DS1645Y Datasheet
