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Version: *A Question: What should be done with the VCAP pin if the AutoStore feature is not required and I do not use the storage capacitor, VCAP? Answer: If the AutoStore feature is not required, ... Version: *A Question: How do Cypress nvSRAM devices handle SEL and SER events? Answer: SEL events in nvSRAMs Single Event Latch-up (SEL) is a potentially destructive condition involvi... Version: ** Question: Can the power supply ramp up faster than the values specified in the F-RAM datasheet? Answer: The tVR and tVF parameters given in F-RAM datasheets specify the power up and pow... Version: ** Question: What is the significance of the Write Enable Latch (WEL) bit in the status register of serial SPI FRAM and the Write Enable (WEN) bit in the status register of serial SPI nvSRAM? ... Version: ** Question: What are the steps that are needed when migrating from 48-FBGA MRAM to 60-FBGA nvSRAM device? Answer: Cypress offers 16-Mb nvSRAM in a 60-ball FBGA package. When you are migra... Version: ** Question: What is DMOS5 to DMOS6 conversion of 4 Kb/16 Kb/64 Kb F-RAM™ parts? Why do ESD values differ in the datasheets for new DMOS6 parts from the datasheets for the DMOS5 wafer parts? D... Version: *A Question: Are FRAM contents programmed when shipped from Cypress? Answer: Cypress ships F-RAM devices with 0x00. However, inspection routines at customer or contract manufacturer sites oft... Version: ** Question: Where can I get the sample code to access Cypress serial nvSRAM/F-RAM devices? Answer: See the following application notes for sample projects to access our serial nvSRAM/F-RAM w... Version: *A Question: What are the contents of an nvSRAM device when it is shipped? Can I assume that the data is fixed? Answer: Cypress ships nvSRAM devices with nonvolatile cells that are prog... Version: *A Question: What is nvSRAM? Answer: nvSRAM is an SRAM plus nonvolatile (NV) product that has the same access speeds, interface pins, and random access features of a standard SRAM. On any pow... Version: *A Question: What is F-RAM? Answer: FRAM products combine the nonvolatile data storage capability of ROM with the benefits of RAM, which include a high number of read and write cycles, high-s... Question: What does the 'T' at the end of some part numbers mean? Answer: The "T" on the end of the part number stands for the 'Tape-and-reel' packaging option. For Eg. - 'T' in CY7C1021DV33-10ZSXIT... Question: How to find MSL (Moisture Sensitivity Level) of SRAMs? Answer: MSL for all the Cypress parts is available in part quality report. Please find the quality reports for SRAMs available on following l... Question: Do I need to provide a charging circuit for nvSRAM, or is it going to charge the backup capacitor itself? Answer: The nvSRAM itself will start charging the cap once the power return. No chargi... Question: Does the datasheet provide sum of core power and IO power? How do I calculate the IO power in SRAMs? Answer: IO power is the power dissipated due to switching of the IO lines of the memory.... Question: What is NC and DNU pin and what should I do with them, please suggest? Answer: NC stands for No Connect which means that the pin is not internally connected to the die. So it can be either left flo... Question: What address bit is associated with each Address pin in SRAMs ? Why address pins are not numbered? Answer: Once a address pin is assigned with a particular address bit, You will Read and Write fr... Question: At what temperature does the memory consume the maximum IDD, at -40 or at +85? Answer: The part consumes the max current at +85degrees (High temperature) Question: How does the Software store work for Simtek parts? Can the chip clock the address without OE signal? Is the behavior different for Simtek and Cypress NVSRAM's? Answer: Software store o... Question: What are the criteria requirements to request for component failure analysis? Answer: There are no fixed criteria to determine if the component has to be released for failure analysis. ...
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