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SPI Bus Serial Automotive EEPROM Operating at 125ºC
No.1 share in the Japanese automotive component marketExcellent rewrite performance 1 millionError prevention function available to protect dataSmall SNT-8A package  (75% smaller than TSSOP package)

SII's E2PROMs have a proven performance of 10 million rewrites and offer products of 1 million rewrites guaranteed. They also feature an excellent performance of 100 years data retention endurance. SII's E2PROMs provide peace-of-mind data security in the form of an error prevention function which protects important data from power supply noise or noise pulses applied on the bus line, and from microcontroller runaway. Various lineup of products for general use and automotive use are provided by SII’s EEPROMs.
SII plans to continue delivering E2PROMs in a wide range of small size packages in order to respond to our customers' diverse needs.
SII's non-volatile memories have a proven 20-year record of excellent functionality, reliability and quality unequalled by our competitors.

1. No.1 share in Japanese automotive component market

Automotive EEPROM market share (Japan)The automotive component market demands the best quality. As a testament to the quality and reliability of our ICs, SII's E2PROMs achieved the No.1 share in the Japanese automotive electronics market*.

* From SII market research data

2. Excellent rewrite performance

Endurance: W/E cycle/word - Threshold voltageSII’s E2PROMs feature an excellent rewrite performance and provide various lineup of products for 1 million rewrites.


Data retention: Time-Threshold voltageSII’s E2PROMs have an ideal data retention endurance and provide various lineup of products with 100 years data retention.

3. Error prevention function available to protect important data

Error prevention function■ Function to inhibit write at low voltage
Using the built-in voltage detector (LVDET), the IC always monitors the power supply, and inhibits writing at a low voltage.

■ Function to cancel erroneous write
The built-in clock pulse monitor circuit (CPMC) cancels an erroneous write instruction (3-wire products)

4. Various small packages

fig: various small packagesIn addition to 8-pin DIP, 8-pin SOP and 8-pin TSSOP packages, SII also provides products in small SNT-8A and WLP packages.