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ISL95810WIRT8Z-T Datasheet(PDF) 5 Page - Intersil Corporation |
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ISL95810WIRT8Z-T Datasheet(HTML) 5 Page - Intersil Corporation |
5 / 13 page 5 FN8090.1 October 7, 2005 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. tF (Note 13) SDA and SCL Fall Time From 70% to 30% of VCC 20 + 0.1 * Cb 250 ns Cb (Note 13) Capacitive Loading of SDA or SCL Total on-chip and off-chip 10 400 pF 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 TCV Max V RW () i () Min V RW () i () – Max V RW () i () Min V RW () i () + [] 2 ⁄ ---------------------------------------------------------------------------------------------- 106 125°C ----------------- × = TCR Max Ri () Min Ri () – [] Max Ri () Min Ri () + [] 2 ⁄ ---------------------------------------------------------------- 10 6 125°C ----------------- × = ISL95810 |
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