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  1. J

    [SOLVED] The speed of standard logic cell is not enough

    Hi, I meet a problem, the speed of standard logic cell is not enough. I wish to know the how much custom cell can faster than standard logic cell? Please help me, thanks. John
  2. J

    make a choice of memory power in SOC

    If leakage is not an issue, should be B, B's leakage is smaller. If power is an issue, should be A, A's active is smaller. However I can't make sure the consideration of SOC design in cellphone processor chip.
  3. J

    make a choice of memory power in SOC

    Here has 2 memory device A and B: The active current of A is 10 mA, B is 20 mA; and leakage current of A is 20 uA, B is 10 uA. For a hand on SOC design, like cellphone processor chip, which memory device is better choice? A or B? Please help me.
  4. J

    The power of 28nm SRAM with 256 X 32 X8 ?

    OK, I find the answer. It is 10mA ~ 12mA.
  5. J

    The power of 28nm SRAM with 256 X 32 X8 ?

    I forgot the operating frequency. The frequency is 2 GHz.
  6. J

    The power of 28nm SRAM with 256 X 32 X8 ?

    Hi, I need the power of 28nm process SRAM with configuration 256 X 32 X 8. This is urgent. Could any one help me ? Any feb's data is ok. Thanks a lot.
  7. J

    The power of sense amplifier is what percentage of SOC embedded memory read power?

    Hi all, For 256X32 SRAM configuration, Could anyone told me the power of sense amplifier is what percentage of SOC embedded memory read power? Thanks a lot. John
  8. J

    The power of sense amplifier is what percentage of SOC embedded memory read power?

    Hi all, I have searched the sense amplifier related information of SOC embedded memory. Could anyone told me the power of sense amplifier is what percentage of SOC embedded memory read power? Thanks a lot. John
  9. J

    sense amplifier is what percentage of SRAM memory in 28nm process

    Hi, Does any one told me the sense amplifier is what percentage of SRAM memory in 28nm process? I need 128*32 and 256*32 memory macro information. Thanks a lot. John
  10. J

    28nm process standard NAND cell characteristic

    Hi, I need the characteristic of 28nm process standard NAND cell. Include AC power, input capacitance, intrinsic delay, and Kload. Please help me. Any FEB's data is ok. John
  11. J

    28nm SRAM MOS capacitance

    Hi, I need the 28nm MOS capacitance (gate to ground and drain to ground) value of 6T SRAM cell to calculate power. Any FEB's data is fine. Please help me. Thanks a lot. John
  12. J

    4T2R SRAM compare with 6T SRAM

    Hi All, Could you tell me the difference with 4T2R SRAM and 6T SRAM? I need the advantage and disavantage of both. Thanks a lot. John
  13. J

    Why the capacitance of 180nm is the same as 32nm?

    Littlej_zju, Do you know the SRAM capacitance of 28nm process?
  14. J

    Why the capacitance of 180nm is the same as 32nm?

    Littlej_zju, Could you tell me the unit of thickness ? 5300 nm VS 900nm? but it seems too small?
  15. J

    Why the capacitance of 180nm is the same as 32nm?

    Dominik Przyborowski, Could you give me capacitance of every metal layers at 28nm ? Any FEB's data is ok. John
  16. J

    Why the capacitance of 180nm is the same as 32nm?

    Dominik Przyborowski, Yes, in the same width, and should be metal 2. Could High-K for transister, Low-K for metal-line?
  17. J

    Why the capacitance of 180nm is the same as 32nm?

    Dominik Przyborowski, My mentioned is the length of Metal line. Could low-k process/high-k process at the same chip ?
  18. J

    Why the capacitance of 180nm is the same as 32nm?

    Hi all, I find out the data following: 180nm process : the capacitance of M1 : 0.2fF/um. 32nm process : the capacitance of M1 : 0.2fF/um. But the metal 1 line area of 32nm process should smaller much than 180nm process. Why their capacitance is almost the same...
  19. J

    Other logic circuit has same feature to CMOS ?

    Hi, Has there other logic circuits with same features to CMOS ? Like low power and fast speed. Thanks for help. John
  20. J

    metal line width and running speed racing

    Hi, On metal line has 700um long, 0.25um width, for 0.2fF/1um, the capacitance of the metal line is 0.2*700=140fF. If the metal line need run up to 1GHz. The peak current is V/R, R=t/5C=1ns/5*140fF=1.4k. I=V/R=1.8/1.4K=1.28mA. But the metal width is 0.25um=> only can run 250uA. So the...

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