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TCA9539RGER Datasheet(PDF) 4 Page - Texas Instruments

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Part # TCA9539RGER
Description  Low Voltage 16-Bit I2C and SMBus Low-Power I/O Expander with Interrupt Output, Reset Pin, and Configuration Registers
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TCA9539RGER Datasheet(HTML) 4 Page - Texas Instruments

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TCA9539
SCPS202C – OCTOBER 2009 – REVISED MAY 2016
www.ti.com
Product Folder Links: TCA9539
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Copyright © 2009–2016, Texas Instruments Incorporated
Pin Functions (continued)
NAME
NO.
I/O
DESCRIPTION
TSSOP
(PW)
QFN
(RTW, RGE)
P15
18
15
I/O
P-port input-output. Push-pull design structure. At power on, P15 is
configured as an input
P16
19
16
I/O
P-port input-output. Push-pull design structure. At power on, P16 is
configured as an input
P17
20
17
I/O
P-port input-output. Push-pull design structure. At power on, P17 is
configured as an input
SCL
22
19
I
Serial clock bus. Connect to VCC through a pull-up resistor
SDA
23
20
I/O
Serial data bus. Connect to VCC through a pull-up resistor
VCC
24
21
—
Supply voltage


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