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SST27SF256
256 Kbit (x8) Many-Time Programmable Flash (MTP™)
SST has issued an EOL for this product.

The SST27SF256 is a 32K x8 CMOS, Many-Time Programmable (MTP) low cost flash, manufactured with SST's proprietary, high performance SuperFlash technology. The split-gate cell design and thick oxide tunneling injector attain better reliability and manufacturability compared with alternate approaches. These MTP devices can be electrically erased and programmed at least 1000 times using an external programmer with a 12 volt power supply. They have to be erased prior to programming. These devices conform to JEDEC standard pinouts for byte-wide memories.

Featuring high performance Byte-Program, the SST27SF256 provides a Byte-Program time of 20 µs. Designed, manufactured, and tested for a wide spectrum of applications, these devices are offered with an endurance of at least 1000 cycles. Data retention is rated at greater than 100 years.

The SST27SF256 is suited for applications that require infrequent writes and low power nonvolatile storage. This device will improve flexibility, efficiency, and performance while matching the low cost in nonvolatile applications that currently use UV-EPROMs, OTPs, and mask ROMs.

To meet surface mount and conventional through hole requirements, the SST27SF256 is offered in 32-lead PLCC, 32-lead TSOP, and 28-pin PDIP packages.

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