Datasheet Summary
19-5580; Rev 10/10
.maxim-ic.
Features
- 10 years minimum data retention in the absence of external power
- Data is automatically protected during power loss
- Directly replaces 2k x 8 volatile static RAM or EEPROM
- Unlimited write cycles
- Low-power CMOS
- JEDEC standard 24-pin DIP package
- Read and write access times of 100 ns
- Lithium energy source is electrically disconnected to retain freshness until power is applied for the first time
- Full ±10% VCC operating range (DS1220AD)
- Optional ±5% VCC operating range
(DS1220AB)
- Optional industrial temperature range of
-40°C to +85°C, designated IND
DS1220AB/AD 16k Nonvolatile SRAM
PIN ASSIGNMENT
A7 A6 A5 A4 A3 A2 A1 A0...