Product Summary

The DS1220Y-70 16k Nonvolatile SRAM is a 16,384-bit, fully static, nonvolatile RAM organized as 2048 words by 8 bits. The DS1220Y-100 can be used in place of existing 2k x 8 SRAMs directly conforming to the popular bytewide 24-pin DIP standard. The DS1220Y-70 also matches the pinout of the 2716 EPROM or the 2816 EEPROM, allowing direct substitution while enhancing performance. There is no limit on the number of write cycles that can be executed and no additional support circuitry is required for microprocessor interfacing.

Parametrics

DS1220Y-70 absolute maximum ratings: (1)Voltage on Any Pin Relative to Ground: -0.3V to +7.0V; (2)Operating Temperature: 0℃ to 70℃; -40℃ to +85℃ for IND parts; (3)Storage Temperature: -40℃ to +70℃; -40℃ to +85℃ for IND parts; (4)Soldering Temperature: 260℃ for 10 seconds.

Features

DS1220Y-70 features: (1)10 years minimum data retention in the absence of external power; (2)Data is automatically protected during power loss; (3)Directly replaces 2k x 8 volatile static RAM or EEPROM; (4)Unlimited write cycles; (5)Low-power CMOS; (6)JEDEC standard 24-pin DIP package; (7)Read and write access times as fast as 100 ns; (8)Full ±10% operating range; (9)Optional industrial temperature range of -40℃ to +85℃, designated IND.

Diagrams

DS1220Y-70 block diagram

DS12
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