SX1505I087TRT Semtech, SX1505I087TRT Datasheet - Page 4

• Manufacturer Part Number: SX1505I087TRT
• Description: IC GPIO EXP I2C 8CH 20UTQFN
• Manufacturer: Semtech

Specifications of SX1505I087TRT

• Interface: I²C
• Number Of I /o: 8
• Interrupt Output: Yes
• Frequency - Clock: 400kHz
• Voltage - Supply: 2.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-UTQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: SX1505I087TR

ADVANCED COMMUNICATIONS & SENSING
1
1.1
Rev 2 – 30
(*1) This pin is programmable through the I
P
A: Analog
D: Digital
I: Input
O: Output
P: Power
IN DESCRIPTION
SX1504 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 – SX1504 QFN-UT-20 Pinout
Type
Table 1 – SX1504 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
NC3
VDDM
NC2
ADDR
NINT
SX1504/SX1505/SX1506
4/8/16 Channel GPIO
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