SX1503I091TRT Semtech, SX1503I091TRT Datasheet - Page 4

• Manufacturer Part Number: SX1503I091TRT
• Description: IC GPIO EXPANDER I2C 16CH 28-QFN
• Manufacturer: Semtech

Specifications of SX1503I091TRT

• Interface: I²C
• Number Of I /o: 16
• Interrupt Output: Yes
• Frequency - Clock: 400kHz
• Voltage - Supply: 1.2 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-UFQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: SX1503I091TR

ADVANCED COMMUNICATIONS & SENSING
1
1.1
Rev 9 – 5
(*1) This pin is programmable through the I
P
A: Analog
D: Digital
I: Input
O: Output
P: Power
IN DESCRIPTION
SX1501 4-channel GPIO
th
August 2010
Pin
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
Symbol
NRESET
VDDM
ADDR
VCC1
I/O[0]
I/O[1]
I/O[2]
I/O[3]
NINT
GND
GND
SDA
NC1
SCL
NC2
NC3
NC4
NC7
NC5
NC6
NRESET
I/O[0]
SDA
NC1
SCL
2
C interface
Figure 1 – SX1501 QFN-UT-20 Pinout
Type
Table 1 – SX1501 Pin Description
DIO
DIO
DIO
DIO
DIO
DIO
DO
DI
DI
P
P
P
P
-
-
-
-
-
-
-
(*1)
(*1)
(*1)
(*1)
Description
Active low reset
I
Leave open, not connected
I
I/O[0], at power-on configured as an input
I/O[1], at power-on configured as an input
I/O supply voltage
Ground Pin
I/O[2], at power-on configured as an input
High sink I/O.
I/O[3], at power-on configured as an input
High sink I/O.
Active low interrupt output
Address input, connect to VDDM or GND
Leave open, not connected
Main supply voltage
Leave open, not connected
Leave open, not connected
Connect to VCC1
Ground Pin
Leave open, not connected
Leave open, not connected
2
2
C serial data line
C serial clock line
(PAD)
GND
4
4/8/16 Channel Low Voltage GPIO
NC3
VDDM
NC2
ADDR
NINT
SX1501/SX1502/SX1503
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