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PCF8575CPWR Datasheet(PDF) 13 Page - Texas Instruments |
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PCF8575CPWR Datasheet(HTML) 13 Page - Texas Instruments |
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13 / 26 page  www.ti.com A A A A S 0 1 0 0 A1 A2 A0 1 Data 1 1 P Data 3 Start Condition 16 Bits (2 Data Bytes) From Port Data From Port Slave Address (PCF8575) R/W 8 7 6 5 4 3 2 1 tir tir tsps tiv Address Data 1 Data 3 INT Data Into Port B B A A Pn INT R/W A tir 0.7 × VCC 0.3 × VCC 0.7 × VCC 0.3 × VCC 0.7 × VCC 0.3 × VCC 0.7 × VCC 0.3 × VCC INT SCL View B−B View A−A tiv RL = 4.7 kΩ VCC CL = 100 pF INTERRUPT LOAD CONFIGURATION DUT INT ACK From Slave ACK From Slave Data 2 Data 2 PCF8575C REMOTE 16-BIT I2C AND SMBus LOW-POWER I/O EXPANDER WITH INTERRUPT OUTPUT SCPS123C – MARCH 2005 – REVISED JULY 2006 PARAMETER MEASUREMENT INFORMATION (continued) Figure 7. Interrupt Load Circuit and Voltage Waveforms 13 Submit Documentation Feedback |
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