• VCAP Pin Connection when Not Using the Storage Capacitor (VCAP) on nvSRAM - KBA83043

    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, ...
    chaitanyav_41
    last modified by chaitanyav_41
  • Single Event Latch-Up (SEL) and Soft Error Rate (SER) in nvSRAMs - KBA83213

    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...
    chaitanyav_41
    last modified by chaitanyav_41
  • Voltage Ramp Rate Required for F-RAM™ Devices - KBA204270

    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...
    YuxianL_01
    last modified by YuxianL_01
  • Significance of the Write Enable Latch (WEL) Bit in Serial SPI FRAM and the Write Enable (WEN) Bit in Serial SPI nvSRAM - KBA88148

    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?  ...
    JyothishK_01
    last modified by JyothishK_01
  • Migrating from 48-FBGA MRAM to 60-FBGA nvSRAM - KBA218078

    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...
    MichaelF_56
    last modified by MichaelF_56
  • Migrating 4 Kb/16 Kb/64 Kb F-RAM™ from DMOS5 to DMOS6 wafer parts - KBA218544

    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...
    GregoryL_66
    last modified by GregoryL_66
  • FRAM Contents when Shipped from Cypress - KBA88164

    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...
    userc_45255
    last modified by userc_45255
  • Sample Code to Access Cypress Serial nvSRAM/F-RAM - KBA203629

    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...
    content.librarian
    last modified by content.librarian
  • Initial Contents of an nvSRAM Device - KBA83096

    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...
    AjayB_76
    last modified by AjayB_76
  • nvSRAM Definition - KBA87014

    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...
    userc_44725
    last modified by userc_44725
  • Introduction to FRAM - KBA87028

    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...
    userc_44725
    last modified by userc_44725
  • What does the 'T' at the end of some part numbers mean?

    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...
    userc_44961
    last modified by userc_44961
  • MSL (Moisture sensitivity level) of SRAMs

    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...
    userc_44961
    last modified by userc_44961
  • How to charge the backup capacitor for nvSRAM

    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...
    content.librarian
    last modified by content.librarian
  • IO power in SRAMs

    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....
    content.librarian
    last modified by content.librarian
  • NC and DNU pin

    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...
    userc_44961
    last modified by userc_44961
  • Address pins assignments in SRAMs

    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...
    userc_44961
    last modified by userc_44961
  • Current (Idd) consumption at -40 and +85 degrees?

    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)
    userc_44961
    last modified by userc_44961
  • Software store and  toggling  of OE signal for Simtek and Cypress NVSRAM's

    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...
    content.librarian
    last modified by content.librarian
  • Criteria for submitting a part for failure analysis

    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.  ...
    userc_44961
    last modified by userc_44961