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PCA9538DBRG4 Datasheet(PDF) 2 Page - Texas Instruments

Part # PCA9538DBRG4
Description  REMOTE 8-BIT I2C AND SMBus LOW-POWER I/O EXPANDER WITH INTERRUPT OUTPUT, RESET, AND CONFIGURATION REGISTERS
PDF  29 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

PCA9538DBRG4 Datasheet(HTML) 2 Page - Texas Instruments

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PCA9538
REMOTE 8-BIT I2C AND SMBus LOW-POWER I/O EXPANDER
WITH INTERRUPT OUTPUT, RESET, AND CONFIGURATION REGISTERS
SCPS126D – SEPTEMBER 2006 – REVISED MARCH 2007
Two hardware pins (A0 and A1) are used to program and vary the fixed I2C address and allow up to four
devices to share the same I2C bus or SMBus.
ORDERING INFORMATION
TA
PACKAGE(1)
ORDERABLE PART NUMBER
TOP-SIDE MARKING
QFN – RGT
Reel of 3000
PCA9538RGTR
PREVIEW
QFN – RGV
Reel of 2500
PCA9538RGVR
PREVIEW
QSOP – DBQ
Reel of 2500
PCA9538DBQR
PD538
Tube of 40
PCA9538DW
SOIC – DW
PCA9538
Reel of 2000
PCA9538DWR
–40
°C to 85°C
Reel of 2000
PCA9538DBR
SSOP – DB
PD538
Tube of 80
PCA9538DB
Tube of 90
PCA9538PW
TSSOP – PW
PD538
Reel of 2000
PCA9538PWR
TVSOP – DGV
Reel of 2000
PCA9538DGVR
PD538
(1)
For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI
website at www.ti.com.
TERMINAL FUNCTIONS
NO.
QSOP (DBQ),
NAME
DESCRIPTION
SSOP (DB),
QFN (RGT) OR
TSSOP (PW), OR
QFN (RGV)
TVSOP (DGV)
1
15
A0
Address input. Connect directly to VCC or ground.
2
16
A1
Address input. Connect directly to VCC or ground.
Active-low reset input. Connect to VCC through a pullup resistor if no active
3
1
RESET
connection is used.
4
2
P0
P-port input/output. Push-pull design structure.
5
3
P1
P-port input/output. Push-pull design structure.
6
4
P2
P-port input/output. Push-pull design structure.
7
5
P3
P-port input/output. Push-pull design structure.
8
6
GND
Ground
9
7
P4
P-port input/output. Push-pull design structure.
10
8
P5
P-port input/output. Push-pull design structure.
11
9
P6
P-port input/output. Push-pull design structure.
12
10
P7
P-port input/output. Push-pull design structure.
13
11
INT
Interrupt output. Connect to VCC through a pullup resistor.
14
12
SCL
Serial clock bus. Connect to VCC through a pullup resistor.
15
13
SDA
Serial data bus. Connect to VCC through a pullup resistor.
16
14
VCC
Supply voltage
2
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