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ISL95810 Datasheet(PDF) 5 Page - Intersil Corporation |
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ISL95810 Datasheet(HTML) 5 Page - Intersil Corporation |
5 / 13 page 5 FN8090.2 September 19, 2006 SDA vs SCL Timing WP Pin Timing NOTES: 1. Typical values are for TA = +25°C and 3.3V supply voltage. 2. LSB: [V(RW)255 – V(RW)0]/255. V(RW)255 and V(RW)0 are V(RW) for the DCP register set to FF hex and 00 hex respectively. LSB is the incremental voltage when changing from one tap to an adjacent tap. 3. ZS error = V(RW)0/LSB. 4. FS error = [V(RW)255 – VCC]/LSB. 5. DNL = [V(RW)i – V(RW)i-1]/LSB-1, for i = 1 to 255. i is the DCP register setting. 6. INL = [V(RW)i – (i • LSB – V(RW)0)]/LSB for i = 1 to 255. 7. for i = 16 to 240 decimal, T = -40°C to +85°C. Max( ) is the maximum value of the wiper voltage and Min ( ) is the minimum value of the wiper voltage over the temperature range. 8. MI = |R255 – R0|/255. R255 and R0 are the measured resistances for the DCP register set to FF hex and 00 hex respectively. Roffset = R0/MI, when measuring between RW and RL. 9. Roffset = R255/MI, when measuring between RW and RH. 10. RDNL = (Ri – Ri-1)/MI, for i = 32 to 255. 11. RINL = [Ri – (MI • i) – R0]/MI, for i = 32 to 255. 12. for i = 32 to 255, T = -40°C to +85°C. Max( ) is the maximum value of the resistance and Min ( ) is the minimum value of the resistance over the temperature range. 13. This parameter is not 100% tested. 14. tWC is the minimum cycle time to be allowed for any non-volatile Write by the user, unless Acknowledge Polling is used. It is the time from a valid STOP condition at the end of a Write sequence of a I2C serial interface Write operation, to the end of the self-timed internal non-volatile write cycle. 15. VIL = 0V, VIH = VCC Rpu (Note 13) SDA and SCL Bus Pull-Up Resistor Off-Chip Maximum is determined by tR and tF. For Cb = 400pF, max is about 2~2.5k Ω. For Cb = 40pF, max is about 15~20k Ω 1k Ω tWP (Notes 13, 14) Non-Volatile Write Cycle Time 12 20 ms tSU:WP WP Setup Time Before START condition 600 ns tHD:WP WP Hold Time After STOP condition 600 ns Operating Specifications Over the recommended operating conditions unless otherwise specified. (Continued) SYMBOL PARAMETER TEST CONDITIONS MIN TYP (Note 1) MAX UNITS tSU:STO tDH tHIGH tSU:STA tHD:STA tHD:DAT tSU:DAT SCL SDA (INPUT TIMING) SDA (OUTPUT TIMING) tF tLOW tBUF tAA tR tHD:WP SCL SDA IN WP tSU:WP CLK 1 START STOP tHD:STO tHD:STO:NV TC V Max V RW () i () Min V RW () i () – Max V RW () i () Min V RW () i () + [] 2 ⁄ ---------------------------------------------------------------------------------------------- 106 125°C ----------------- × = TC R Max Ri () Min Ri () – [] Max Ri () Min Ri () + [] 2 ⁄ ---------------------------------------------------------------- 10 6 125°C ----------------- × = ISL95810 |
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