Questions about nonvolatile store on STK11C68-5 - Cypress.com Forums http://www.cypress.com/? Re: Questions about nonvolatile store on STK11C68-5 http://www.cypress.com/?rID=43651 Thank you.

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Thu, 03 Jun 2010 13:50:51 -0600
Re: Questions about nonvolatile store on STK11C68-5 http://www.cypress.com/?rID=43646 Q1. The block diagram on the front page of the STK11C68 datasheet shows the /HSB pin, but this pin is never mentioned anywhere else, or shown in the pinout. Is there or isn't there an /HSB pin?

A. HSB option is not available in this part.

Q2. Does the chip have AutoStore or not?

A. STK11C68 is a SoftStore nvSRAM and it doesn't have Autostore Operation. Data transfers under software control from SRAM to the nonvolatile elements (the STORE operation). Please refer to the datasheet in this link - http://www.cypress.com/?docID=15505

Q3. Page 11 mentions 10 years or 10^5 cycles retention/endurance, but the table on page 5 mentions 100 years and 10^6 cycles. Which is it?

A. In the datasheet link above, it tells only 1,000,000 STORE cycles & 100 year data retention.

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Thu, 03 Jun 2010 10:27:11 -0600
Re: Questions about nonvolatile store on STK11C68-5 http://www.cypress.com/?rID=43645 Q1. The block diagram on the front page of the STK11C68 datasheet shows the /HSB pin, but this pin is never mentioned anywhere else, or shown in the pinout. Is there or isn't there an /HSB pin?

A. HSB option is not available in this part.

Q2. Does the chip have AutoStore or not?

A. STK11C68 is a SoftStore nvSRAM and it doesn't have Autostore Operation. Data transfers under software control from SRAM to the nonvolatile elements (the STORE operation). Please refer to the datasheet in this link - http://www.cypress.com/?docID=15505

Q3. Page 11 mentions 10 years or 10^5 cycles retention/endurance, but the table on page 5 mentions 100 years and 10^6 cycles. Which is it?

A. In the datasheet link above, it tells only 1,000,000 STORE cycles & 100 year data retention.

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Thu, 03 Jun 2010 10:27:07 -0600