SX1502I087TRT Semtech, SX1502I087TRT Datasheet - Page 5

• Manufacturer Part Number: SX1502I087TRT
• Description: IC GPIO EXPANDER I2C 8CH 20QFN
• Manufacturer: Semtech

Specifications of SX1502I087TRT

• Interface: I²C
• Number Of I /o: 8
• 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-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: SX1502I087TR

ADVANCED COMMUNICATIONS & SENSING
1.2
Rev 9 – 5
(*1) This pin is programmable through the I
A: Analog
D: Digital
I: Input
O: Output
P: Power
SX1502 8-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
VCC2
I/O[0]
I/O[1]
I/O[2]
I/O[3]
I/O[4]
I/O[5]
I/O[6]
I/O[7]
NINT
GND
GND
SDA
NC1
NC2
SCL
NRESET
I/O[0]
SDA
NC1
SCL
2
C interface
Figure 2 – SX1502 QFN-UT-20 Pinout
Type
Table 2 – SX1502 Pin Description
DIO
DIO
DIO
DIO
DIO
DIO
DO
DIO
DIO
DIO
DIO
DI
DI
P
P
P
P
P
-
-
(*1)
(*1)
(*1)
(*1)
(*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
Supply voltage for Bank A I/O[0-3]
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
I/O[4], at power-on configured as an input
I/O[5], at power-on configured as an input
Supply voltage for Bank B I/O[4-7]
Ground Pin
I/O[6], at power-on configured as an input
I/O[7], at power-on configured as an input
2
2
C serial data line
C serial clock line
(PAD)
GND
5
4/8/16 Channel Low Voltage GPIO
I/O[4]
VDDM
NC2
ADDR
NINT
SX1501/SX1502/SX1503
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