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PCF8574A Datasheet(PDF) 4 Page - Texas Instruments |
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PCF8574A Datasheet(HTML) 4 Page - Texas Instruments |
4 / 21 page www.ti.com Absolute Maximum Ratings (1) Recommended Operating Conditions PCF8574A REMOTE 8-BIT I/O EXPANDER FOR I2C BUS SCPS069D – JULY 2001 – REVISED OCTOBER 2005 Address Reference INPUTS I2C BUS SLAVE ADDRESS A2 A1 A0 L L L 56 (decimal), 38 (hexadecimal) L L H 57 (decimal), 39 (hexadecimal) L H L 58 (decimal), 3A (hexadecimal) L H H 59 (decimal), 3B (hexadecimal) H L L 60 (decimal), 3C (hexadecimal) H L H 61 (decimal), 3D (hexadecimal) H H L 62 (decimal), 3E (hexadecimal) H H H 63 (decimal), 3F (hexadecimal) over operating free-air temperature range (unless otherwise noted) MIN MAX UNIT VCC Supply voltage range –0.5 7 V VI Input voltage range(2) –0.5 VCC + 0.5 V VO Output voltage range(2) –0.5 VCC + 0.5 V IIK Input clamp current VI < 0 –20 mA IOK Output clamp current VO < 0 –20 mA IOK Input/output clamp current VO < 0 or VO > VCC ±400 µA IOL Continuous output low current VO = 0 to VCC 50 mA IOH Continuous output high current VO = 0 to VCC –4 mA Continuous current through VCC or GND ±100 mA DGV package(3) 92 DW package(3) 57 θ JA Package thermal impedance N package(3) 67 °C/W PW package(3) 83 RGY package(4) 37 Tstg Storage temperature range –65 150 °C (1) Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. (2) The input negative-voltage and output voltage ratings may be exceeded if the input and output current ratings are observed. (3) The package thermal impedance is calculated in accordance with JESD 51-7. (4) The package thermal impedance is calculated in accordance with JESD 51-5. MIN MAX UNIT VCC Supply voltage 2.5 6 V VIH High-level input voltage 0.7 × V CC VCC + 0.5 V VIL Low-level input voltage –0.5 0.3 × V CC V IOH High-level output current –1 mA IOL Low-level output current 25 mA TA Operating free-air temperature –40 85 °C 4 |
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