Datasheet Summary
19-5603; 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 28-pin DIP package
- Read and write access times of 150 ns
- Full ±10% operating range
- Optional industrial temperature range of
-40°C to +85°C, designated IND
NOT REMENDED FOR NEW DESIGNS
DS1225Y 64k Nonvolatile SRAM
PIN ASSIGNMENT
NC A12
A7 A6 A5 A4 A3 A2 A1 A0 DQ0
DQ1
DQ2
1 2 3 4 5 6 7 8 9 10 11 12
28 27 26 25 24 23 22 21 20 19 18 17
VCC WE NC A8 A9 A11 OE A10 CE DQ7 DQ6
DQ5
DQ4
DQ3
24-P...