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PCF8574DWR Datasheet(PDF) 9 Page - Texas Instruments |
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PCF8574DWR Datasheet(HTML) 9 Page - Texas Instruments |
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9 / 26 page  PARAMETER MEASUREMENT INFORMATION DUT RL = 1 kΩ VCC CL = 10 pF to 400 pF tbuf ticr tsth tsds tsdh ticf ticr tscl tsch tsts tPHL tPLH 0.7 × VCC Stop Condition tsps Repeat Start Condition Start or Repeat Start Condition SCL SDA Start Condition (S) Bit 7 MSB Bit 6 Bit 0 LSB (R/W) Acknowledge (A) Stop Condition (P) 2 Bytes for Complete Device Programming LOAD CIRCUIT VOLTAGE WAVEFORMS ticf Stop Condition (P) tsp 0.7 × VCC 0.3 × VCC 0.3 × VCC Pn PCF8574 www.ti.com ............................................................................................................................................................... SCPS068G – JULY 2001 – REVISED MAY 2008 Figure 3. I2C Interface Load Circuit and Voltage Waveforms Copyright © 2001–2008, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Link(s): PCF8574 |
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