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TCA9554A Datasheet(PDF) 3 Page - Texas Instruments |
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TCA9554A Datasheet(HTML) 3 Page - Texas Instruments |
3 / 33 page TCA9554A www.ti.com SCPS196 – DECEMBER 2010 Table 1. TERMINAL FUNCTIONS NO. NAME DESCRIPTION TSSOP (PW) mQFN (RSV) 1 15 A0 Address input. Connect directly to VCC or ground. 2 16 A1 Address input. Connect directly to VCC or ground. 3 1 A2 Address input. Connect directly to VCC or ground. P-port input/output. Push-pull design structure. At power-on, P0 is 4 2 P0 configured as an input. P-port input/output. Push-pull design structure. At power-on, P1 is 5 3 P1 configured as an input. P-port input/output. Push-pull design structure. At power-on, P2 is 6 4 P2 configured as an input. P-port input/output. Push-pull design structure. At power-on, P3 is 7 5 P3 configured as an input. 8 6 GND Ground P-port input/output. Push-pull design structure. At power-on, P4 is 9 7 P4 configured as an input. P-port input/output. Push-pull design structure. At power-on, P5 is 10 8 P5 configured as an input. P-port input/output. Push-pull design structure. At power-on, P6 is 11 9 P6 configured as an input. P-port input/output. Push-pull design structure. At power-on, P7 is 12 10 P7 configured as an input. 13 11 INT Interrupt output. Connect to VCC through a pullup resistor. 14 12 SCL Serial clock bus. Connect to VCC through a pullup resistor. 15 13 SDA Serial data bus. Connect to VCC through a pullup resistor. 16 14 VCC Supply voltage Copyright © 2010, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s): TCA9554A |
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