PCA9535_15 Datasheet, PDF (4/42 Pages) Texas Instruments – SMBus Low-Power I/O Expander

PCA9535
SCPS129J – AUGUST 2005 – REVISED JUNE 2014
5 Pin Configuration and Functions
DB, DBQ, DGV, DW, OR PW PACKAGE
(TOP VIEW)
RGE PACKAGE
(TOP VIEW)
INT 1
A1 2
A2 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
24 23 22 21 20 19
P00 1
18 A0
P01 2
17 P17
P02 3
16 P16
P03 4
15 P15
P04 5
14 P14
P05 6
13 P13
7 8 9 10 11 12
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RTW PACKAGE
(TOP VIEW)
24 23 22 21 20 19
P00 ¹
P01 ²
P02 ³
P03 ⁴
P04 ⁵
P05 ⁶
18 _A0
17 _P17
16 P16
15 P15
14 P14
13 _P13
7 8 9 10 11 12
NAME
INT
A1
A2
P00
P01
P02
P03
P04
P05
P06
P07
GND
P10
P11
P12
P13
P14
P15
P16
P17
A0
SCL
SDA
V_CC
PIN
SOIC (D),
SSOP (DB),
QSOP (DBQ),
TSSOP (PW), AND
TVSOP (DGV)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Pin Functions
QFN
(RGE AND
RTW)
DESCRIPTION
22
Interrupt output. Connect to V_CC through a pullup resistor.
23
Address input. Connect directly to V_CC or ground.
24
Address input. Connect directly to V_CC or ground.
1
P-port input/output. Push-pull design structure.
2
P-port input/output. Push-pull design structure.
3
P-port input/output. Push-pull design structure.
4
P-port input/output. Push-pull design structure.
5
P-port input/output. Push-pull design structure.
6
P-port input/output. Push-pull design structure.
7
P-port input/output. Push-pull design structure.
8
P-port input/output. Push-pull design structure.
9
Ground
10
P-port input/output. Push-pull design structure.
11
P-port input/output. Push-pull design structure.
12
P-port input/output. Push-pull design structure.
13
P-port input/output. Push-pull design structure.
14
P-port input/output. Push-pull design structure.
15
P-port input/output. Push-pull design structure.
16
P-port input/output. Push-pull design structure.
17
P-port input/output. Push-pull design structure.
18
Address input. Connect directly to V_CC or ground.
19
Serial clock bus. Connect to V_CC through a pullup resistor.
20
Serial data bus. Connect to V_CC through a pullup resistor.
21
Supply voltage
4
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