TCA9539_15 Datasheet, PDF (3/42 Pages) Texas Instruments – Low Voltage 16-Bit I2C and SMBus Low-Power I/O Expander

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5 Pin Configuration and Functions
PW Package
24-Pins TSSOP
Top View
INT 1
A1 2
RESET 3
P00 4
P01 5
P02 6
P03 7
P04 8
P05 9
P06 10
P07 11
GND 12
24 V_CC
23 SDA
22 SCL
21 A0
20 P17
19 P16
18 P15
17 P14
16 P13
15 P12
14 P11
13 P10
TCA9539
SCPS202B – OCTOBER 2009 – REVISED OCTOBER 2015
RTW, RGE Package
24-Pins WQFN, VQFN
Top View
24 23 22 21 20 19
P00 ¹
P01 ²
P02 ³
P03 ⁴
P04 ⁵
P05 ⁶
Exposed
Center
Pad
18 _A0
17 _P17
16 P16
15 P15
14 P14
13 _P13
7 8 9 10 11 12
NAME
INT
A1
RESET
P00
P01
P02
P03
P04
P05
P06
P07
GND
P10
P11
P12
P13
P14
NO.
TSSOP
(PW)
QFN
(RTW, RGE)
1
22
2
23
3
24
4
1
5
2
6
3
7
4
8
5
9
6
10
7
11
8
12
9
13
10
14
11
15
12
16
13
17
14
Pin Functions
I/O
DESCRIPTION
O
Interrupt open-drain output. Connect to V_CC through a pullup resistor.
I
Address input. Connect directly to V_CC or ground.
I
Active-low reset input. Connect to V_CC through a pullup resistor if no active
connection is used.
I/O
P-port input/output. Push-pull design structure. At power on, P00 is
configured as an input.
I/O
P-port input/output. Push-pull design structure. At power on, P01 is
configured as an input.
I/O
P-port input/output. Push-pull design structure. At power on, P02 is
configured as an input.
I/O
P-port input/output. Push-pull design structure. At power on, P03 is
configured as an input.
I/O
P-port input/output. Push-pull design structure. At power on, P04 is
configured as an input.
I/O
P-port input/output. Push-pull design structure. At power on, P05 is
configured as an input.
I/O
P-port input/output. Push-pull design structure. At power on, P06 is
configured as an input.
I/O
P-port input/output. Push-pull design structure. At power on, P07 is
configured as an input.
—
Ground
I/O
P-port input/output. Push-pull design structure. At power on, P10 is
configured as an input.
I/O
P-port input/output. Push-pull design structure. At power on, P11 is
configured as an input.
I/O
P-port input/output. Push-pull design structure. At power on, P12 is
configured as an input.
I/O
P-port input/output. Push-pull design structure. At power on, P13 is
configured as an input.
I/O
P-port input/output. Push-pull design structure. At power on, P14 is
configured as an input.
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