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19-5579; Rev 10/10
NOT RECOMMENDED FOR NEW DESIGNS
DS1220Y
16k Nonvolatile SRAM
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FEATURES PIN ASSIGNMENT
10 years minimum data retention in the
A7 VCC
absence of external power 1 24
A6
Data is automatically protected during power A5
2 23 A8
3 22 A9
loss A4 4 21 WE
Directly replaces 2k x 8 volatile static RAM A3 5 20 OE
A2
or EEPROM A1
6 19 A10
CE
Unlimited write cycles A0
7
8
18
17 DQ7
Low-power CMOS DQ0 9 16 DQ6
JEDEC standard 24-pin DIP package DQ1 10 15 DQ5
Read and write access times of 100 ns DQ2 11 14 DQ4
12
Full