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TCA9554DBQR Datasheet(PDF) 3 Page - Texas Instruments |
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TCA9554DBQR Datasheet(HTML) 3 Page - Texas Instruments |
3 / 38 page PW, DB, OR DBQ PACKAGE (TOP VIEW) VCC TCA9554 www.ti.com SCPS233D – MARCH 2012 – REVISED AUGUST 2015 5 Pin Configuration and Functions Pin Functions PIN I/O DESCRIPTION NAME NO. A0 1 I Address input. Connect directly to VCC or ground. A1 2 I Address input. Connect directly to VCC or ground. A2 3 I Address input. Connect directly to VCC or ground. P-port input/output. Push-pull design structure. At power on, P0 is configured P0 4 I/O as an input. P-port input/output. Push-pull design structure. At power on, P1 is configured P1 5 I/O as an input. P-port input/output. Push-pull design structure. At power on, P2 is configured P2 6 I/O as an input. P-port input/output. Push-pull design structure. At power on, P3 is configured P3 7 I/O as an input. GND 8 – Ground P-port input/output. Push-pull design structure. At power on, P4 is configured P4 9 I/O as an input. P-port input/output. Push-pull design structure. At power on, P5 is configured P5 10 I/O as an input. P-port input/output. Push-pull design structure. At power on, P6 is configured P6 11 I/O as an input. P-port input/output. Push-pull design structure. At power on, P7 is configured P7 12 I/O as an input. INT 13 O Interrupt output. Connect to VCC through a pull-up resistor. SCL 14 I Serial clock bus. Connect to VCC through a pull-up resistor. SDA 15 I/O Serial data bus. Connect to VCC through a pull-up resistor. VCC 16 – Supply voltage Copyright © 2012–2015, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: TCA9554 |
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