DS1250

DS1250Y-70IND - 4096k Nonvolatile SRAM

FEATURES 

 10 years minimum data retention in the 

absence of external power 

 Data is automatically protected during power 

loss 

 Replaces 512k x 8 volatile static RAM, 

EEPROM or Flash memory 

 Unlimited write cycles 

 Low-power CMOS 

 Read and write access times of 70ns 

 Lithium energy source is electrically 

disconnected to retain freshness until power is 

applied for the first time 

 Full ±10% VCC operating range (DS1250Y) 

 Optional ±5% VCC operating range 

(DS1250AB) 

 Optional industrial temperature range of 

-40°C to +85°C, designated IND 

 JEDEC standard 32-pin DIP package 

 PowerCap Module (PCM) package 

- Directly surface-mountable module 

- Replaceable snap-on PowerCap provides 

lithium backup battery 

- Standardized pinout for all nonvolatile 

SRAM products 

- Detachment feature on PCM allows easy 

removal using a regular screwdriver 

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