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ISL12025IBZ Datasheet(PDF) 5 Page - Intersil Corporation |
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ISL12025IBZ Datasheet(HTML) 5 Page - Intersil Corporation |
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5 / 27 page  5 FN6371.1 October 18, 2006 tLOW Clock LOW Time Measured at the 30% of VDD crossing. 1300 ns tHIGH Clock HIGH Time Measured at the 70% of VDD crossing. 600 ns tSU:STA START Condition Setup Time SCL rising edge to SDA falling edge. Both crossing 70% of VDD. 600 ns tHD:STA START Condition Hold Time From SDA falling edge crossing 30% of VDD to SCL falling edge crossing 70% of VDD. 600 ns tSU:DAT Input Data Setup Time From SDA exiting the 30% to 70% of VDD window, to SCL rising edge crossing 30% of VDD. 100 ns tHD:DAT Input Data Hold Time From SCL falling edge crossing 70% of VDD to SDA entering the 30% to 70% of VDD window. 0ns tSU:STO STOP Condition Setup Time From SCL rising edge crossing 70% of VDD, to SDA rising edge crossing 30% of VDD. 600 ns tHD:STO STOP Condition Hold Time for Read, or Volatile Only Write From SDA rising edge to SCL falling edge. Both crossing 70% of VDD. 600 ns tDH Output Data Hold Time From SCL falling edge crossing 30% of VDD, until SDA enters the 30% to 70% of VDD window. 0ns tR SDA and SCL Rise Time From 30% to 70% of VDD 20 + 0.1 x Cb 250 ns tF SDA and SCL Fall Time From 70% to 30% of VDD 20 + 0.1 x Cb 250 ns Cb Capacitive loading of SDA or SCL Total on-chip and off-chip 10 400 pF Cpin SDA, and SCL Pin Capacitance 10 pF tWC Non-Volatile Write Cycle Time 12 20 ms 10 NOTES: 3. RESET Inactive (no reset). 4. VIL = VDD x 0.1, VIH = VDD x 0.9, fSCL = 400kHz. 5. VRESET = 2.63V (VDD must be greater than VRESET), VBAT = 0V. 6. Bit BSW = 0 (Standard Mode), VBAT ≥1.8V. 7. Specified at +25°C. 8. In order to ensure proper timekeeping, the VDD SR- specification must be followed. 9. Parameter is not 100% tested. 10. tWC is the minimum cycle time to be allowed for any non-volatile Write by the user (it is the time from valid STOP condition at the end of Write sequence of a serial interface Write operation) to the end of the self-timed internal non-volatile write cycle. Serial Interface (I2C) Specifications (Continued) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS NOTES ISL12025 |
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