SX1504I087TRT Semtech, SX1504I087TRT Datasheet - Page 4

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SX1504I087TRT

Manufacturer Part Number
SX1504I087TRT
Description
IC GPIO EXPANDER I2C 4CH 20QFN
Manufacturer
Semtech
Datasheet

Specifications of SX1504I087TRT

Interface
I²C
Number Of I /o
4
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-QFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
SX1504I087TR
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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