DS1220AB - 16k Nonvolatile SRAM

Description

The DS1220AB and DS1220AD 16k Nonvolatile SRAMs are 16,384-bit, fully static, nonvolatile SRAMs organized as 2048 words by 8 bits.

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).
• Option.