SRAM Forum Discussions

Hi,

I'm currently working on CY7C1471BV33-133BZI SRAM. Interfaced with MPC5777C power architecture via EBI.

I'm using Chip select 0 for communication, I also attached the schematic for reference.

Here my problem I'm able write data in SRAM but not in a particular address , When I try to write in one address data being written in all address. Is there any configuration I need to do?

kindly please respond and help me out with this. 

Hi
We are using the CY7C4122KV13/CY7C4142KV13 SRAM in our design, with the address parity logic enabled. For the same:
1) We need the switching characteristics and Switching Waveforms for Address Parity and Parity Error operations as they were not available in the product datasheet.
2) Also, I have a two part query I'll illustrated with an example. Suppose we initiated a transaction T0 and within the RL cycles of T0, we initiate two more transactions T1 and T2. After RL cycles, we receive a Parity Error for T0. Then:
a) if the parity error counter indicates there was only 1 error and after clearing the parity error, should all the transactions. i.e. T0, T1 and T2 need to be repeated or only the first transaction (T0).
b) related to this, if the parity error counter indicates there were 2 errors, does this imply that the first 2 consecutive transactions (T0 and T1) failed or can it be T0 and T2?

It would be ideal if a dedicated documentation for the address parity implementation is available. 

Regards
Aman

Dear Sir/Madam,

GreenSoft Technology, a leading provider of environmental compliance data management services and software for the global electronics industry (http://www.greensofttech.com), has been contracted by Nortek to collect compliance data on parts purchased from your company.

Please note that Nortek might not purchase directly from your company but via a reseller or distributor. In addition, you may need to collect material or compliance documents from your suppliers to fulfill this request. Your support to Nortek is highly appreciated.

One of your parts that they are requesting data for is:

      P/N: CY62136EV30LL-45ZSXI

      Description: IC, SRAM, 2MBIT, 128K X 16, 45NS, TSOP-44

P/N: CY62157EV30LL-45BVXI

      Description: IC, SRAM, 8MBIT, 512K X 16, 45NS, FBGA-48 (6X8MM)

P/N: CY8C27443-24PVXIT

      Description: IC, CY8C27443-PVXIT, MCU, 16KB, SSOP-28

P/N: CY8C29666-24PVXI

      Description: IC, CY8C29666-24PVXIT, MCU, 32KB, SSOP-48

P/N: S29AL008J55BFIR22

      Description: IC, FLASH, 8MBIT (1MB X 8 / 512K X 16), 70NS MAX, FBGA-48 (6X8MM)

Can you please provide the following environmental compliance data for this part:

• REACH Declaration or SVHC Certificate. If a product contains any SVHC or Substances of REACH - Annex XIV, please provide the substance name and concentration, as well as future plan to eliminate its use.
• If reportable SVHCs are identified, please provide the SCIP data (SCIP – per Waste Framework Directive 2008/98/EC, amended by Directive (EU) 2018/851)
• Full Material Disclosure (FMD), MSDS or similar document in your standard format if available
• CA Prop65 Certificate of Compliance (CoC); a template is attached.

Generally, the parts applicable for 6a/6b/6c RoHS alloy exemptions would form an article, such as a pin, connector shell, standoff, screw, or bracket. Therefore, Lead concentration of such parts is likely to exceed 1000ppm at Article level, which needs your further support to provide the SCIP information. However, if you confirm your products are SVHC compliant, please provide the Article Name.

If you cannot recognize a part or it’s incorrect, please indicate such in your feedback.

Please respond as soon as possible or provide an expected date of completion and we will follow up. We may contact you if any clarification is needed. Nortek is committed to providing its customers with products that meet the highest standards of innovation, performance and environmental safety and expects your timely response

If you have any questions, you can contact me at Cora@greensoft-china.com or call +1 323-254-5961 x813 (I am based in China; we also have someone in our US office that can answer your questions).

Best Regards,

Cora Zhang

Project Engineer

Cora@greensoft-china.com

GreenSoft Technology, Inc.

155 S. El Molino Ave, Suite 100,

Pasadena, CA 91101, USA

Ph: 323.254.5961

www.greensofttech.com

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I'm trying to get a datasheet of PSD813F2A-90J in the following site, but I couldn't find the correct datasheet there.

https://www.worldwayelec.com/pro/stmicroelectronics/psd813f2a-90j/5183742CY62147EV30LL-45BVXIT Cypress Semiconductor SRAM, CY62147EV30LL-45BVXIT Datasheet - Worldway Electronics

Hope you can help me as soon as possible.

Thanks in advance.

Hello all,

I tried downloading the BSDL file for the following component part number: cy7c1512kv18-250bzi. I was inspecting the BSDL file (please see attached) and saw that there were two instructions with the same bit. Would it be okay to combine the two instructions into one? Is there an updated BSDL for this component? Any information would be helpful. Thank you.