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TCA9555 Datasheet(PDF) 4 Page - Texas Instruments |
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TCA9555 Datasheet(HTML) 4 Page - Texas Instruments |
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4 / 46 page  INT A1 A2 P00 P01 P02 P03 P04 P05 P06 P07 GND V CC SDA SCL A0 P17 P16 P15 P14 P13 P12 P11 P10 24 23 22 21 20 19 18 17 16 15 14 13 1 2 3 4 5 6 7 8 9 10 11 12 A0 P17 P16 P15 P14 P13 24 22 21 20 19 23 7 9 10 11 12 8 P00 P01 P02 P03 P04 P05 1 2 3 4 5 6 18 17 16 15 14 13 Exposed Center Pad 4 TCA9555 SCPS200D – JULY 2009 – REVISED JULY 2016 www.ti.com Product Folder Links: TCA9555 Submit Documentation Feedback Copyright © 2009–2016, Texas Instruments Incorporated 6 Pin Configuration and Functions DB, PW Package 24-Pin TSSOP Top View RTW, RGE Package 24-Pin WQFN, VQFN with Exposed Thermal Pad Top View The exposed center pad, if used, must be connected as a secondary ground or left electrically open. Pin Functions PIN TYPE DESCRIPTION NAME NO. DB, PW RTW, RGE A0 21 18 Input Address input 0. Connect directly to VCC or ground A1 2 23 Input Address input 1. Connect directly to VCC or ground A2 3 24 Input Address input 2. Connect directly to VCC or ground GND 12 9 GND Ground INT 1 22 Output Interrupt output. Connect to VCC through a pull-up resistor P00 4 1 I/O P-port I/O. Push-pull design structure. At power on, P00 is configured as an input P01 5 2 I/O P-port I/O. Push-pull design structure. At power on, P01 is configured as an input P02 6 3 I/O P-port I/O. Push-pull design structure. At power on, P02 is configured as an input P03 7 4 I/O P-port I/O. Push-pull design structure. At power on, P03 is configured as an input P04 8 5 I/O P-port I/O. Push-pull design structure. At power on, P04 is configured as an input P05 9 6 I/O P-port I/O. Push-pull design structure. At power on, P05 is configured as an input P06 10 7 I/O P-port I/O. Push-pull design structure. At power on, P06 is configured as an input P07 11 8 I/O P-port I/O. Push-pull design structure. At power on, P07 is configured as an input P10 13 10 I/O P-port I/O. Push-pull design structure. At power on, P10 is configured as an input P11 14 11 I/O P-port I/O. Push-pull design structure. At power on, P11 is configured as an input P12 15 12 I/O P-port I/O. Push-pull design structure. At power on, P12 is configured as an input P13 16 13 I/O P-port I/O. Push-pull design structure. At power on, P13 is configured as an input P14 17 14 I/O P-port I/O. Push-pull design structure. At power on, P14 is configured as an input P15 18 15 I/O P-port I/O. Push-pull design structure. At power on, P15 is configured as an input P16 19 16 I/O P-port I/O. Push-pull design structure. At power on, P16 is configured as an input P17 20 17 I/O P-port I/O. Push-pull design structure. At power on, P17 is configured as an input SCL 22 19 Input Serial clock bus. Connect to VCC through a pull-up resistor SDA 23 20 Input Serial data bus. Connect to VCC through a pull-up resistor VCC 24 21 Supply Supply voltage |
Similar Part No. - TCA9555_16 |
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Similar Description - TCA9555_16 |
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