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Microcontrollers and Processors / Parallel IO Ports / PCA9539DBQR
Datasheets
PCA9539DBQR by: Texas Instruments

16-bit 2.3- to 5.5-V I2C/SMBus I/O expander with interrupt, reset & config registers 24-SSOP -40 to 85

Part Details for PCA9539DBQR by Texas Instruments

Results Overview of PCA9539DBQR by Texas Instruments

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PCA9539DBQR Information

PCA9539DBQR by Texas Instruments is a Parallel IO Port.
Parallel IO Ports are under the broader part category of Microcontrollers and Processors.

Microcontrollers (MCUs) are small, low-power integrated circuits used to control embedded systems. Microcontrollers are primarily used to automate and control devices. Read more about Microcontrollers and Processors on our Microcontrollers and Processors part category page.

Price & Stock for PCA9539DBQR

Part # Distributor Description Stock Price Buy
DISTI # 2156-PCA9539DBQR-ND
DigiKey IC XPNDR 400KHZ I2C SMBUS 24SSOP Min Qty: 224 Lead time: 6 Weeks Container: Bulk MARKETPLACE PRODUCT 26786
In Stock
  • 224 $1.3400
$1.3400 Buy Now
DISTI # 296-19266-1-ND
DigiKey IC XPNDR 400KHZ I2C SMBUS 24SSOP Min Qty: 224 Lead time: 6 Weeks Container: Digi-Reel®, Cut Tape (CT), Tape & Reel (TR) Temporarily Out of Stock
  • 2,500 $1.1546
  • 5,000 $1.1305
  • 7,500 $1.1184
$1.1184 / $1.1546 Buy Now
DISTI # 595-PCA9539DBQR
Mouser Electronics Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander RoHS: Compliant 6039
  • 1 $2.2500
  • 10 $2.0700
  • 25 $1.9100
  • 100 $1.6400
  • 250 $1.5400
  • 500 $1.3500
  • 1,000 $1.1400
  • 2,500 $1.0300
  • 5,000 $1.0200
$1.0200 / $2.2500 Buy Now
DISTI # 86281742
Verical I2C/SMBus Interface 400kHz 5.5V 24-Pin SSOP T/R RoHS: Compliant Min Qty: 233 Package Multiple: 1 Date Code: 1201 Americas - 17637
  • 233 $1.6125
  • 500 $1.4500
  • 1,000 $1.3375
  • 10,000 $1.1891
  • 100,000 $0.9963
$0.9963 / $1.6125 Buy Now
DISTI # 86282513
Verical I2C/SMBus Interface 400kHz 5.5V 24-Pin SSOP T/R RoHS: Compliant Min Qty: 233 Package Multiple: 1 Americas - 5013
  • 233 $1.6125
  • 500 $1.4500
  • 1,000 $1.3375
  • 10,000 $1.1891
  • 100,000 $0.9963
$0.9963 / $1.6125 Buy Now
Bristol Electronics   3
RFQ
Rochester Electronics PCA9539 Remote 16-Bit I2C And SMBus, Low-Power I/O Expander With Interrupt Output, Reset & Config. Registers RoHS: Compliant Status: Active Min Qty: 1 26786
  • 100 $1.2900
  • 500 $1.1600
  • 1,000 $1.0700
  • 10,000 $0.9513
  • 100,000 $0.7970
$0.7970 / $1.2900 Buy Now

Part Details for PCA9539DBQR

PCA9539DBQR CAD Models

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PCA9539DBQR Part Data Attributes

Parametric Data
PCA9539DBQR Texas Instruments
Buy Now Datasheet
Compare Parts:
PCA9539DBQR Texas Instruments 16-bit 2.3- to 5.5-V I2C/SMBus I/O expander with interrupt, reset & config registers 24-SSOP -40 to 85
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer TEXAS INSTRUMENTS INC
Part Package Code SOIC
Package Description GREEN, PLASTIC, QSOP-24
Pin Count 24
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Samacsys Manufacturer Texas Instruments
Address Bus Width 4
Clock Frequency-Max 0.4 MHz
External Data Bus Width
JESD-30 Code R-PDSO-G24
JESD-609 Code e4
Length 8.65 mm
Moisture Sensitivity Level 2
Number of Bits 16
Number of I/O Lines 16
Number of Ports 2
Number of Terminals 24
Operating Temperature-Max 85 °C
Operating Temperature-Min -40 °C
Package Body Material PLASTIC/EPOXY
Package Code SSOP
Package Equivalence Code SSOP24,.24
Package Shape RECTANGULAR
Package Style SMALL OUTLINE, SHRINK PITCH
Peak Reflow Temperature (Cel) 260
Qualification Status Not Qualified
Seated Height-Max 1.75 mm
Supply Current-Max 0.2 mA
Supply Voltage-Max 5.5 V
Supply Voltage-Min 2.3 V
Supply Voltage-Nom 3 V
Surface Mount YES
Technology CMOS
Temperature Grade INDUSTRIAL
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form GULL WING
Terminal Pitch 0.635 mm
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) 30
Width 3.9 mm
uPs/uCs/Peripheral ICs Type PARALLEL IO PORT, GENERAL PURPOSE

Alternate Parts for PCA9539DBQR

This table gives cross-reference parts and alternative options found for PCA9539DBQR. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of PCA9539DBQR, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
PCA9539DBR Texas Instruments $0.8175 16-bit 2.3- to 5.5-V I2C/SMBus I/O expander with interrupt, reset & config registers 24-SSOP -40 to 85 PCA9539DBQR vs PCA9539DBR
PCA9535DGVRG4 Texas Instruments Check for Price 16 I/O, PIA-GENERAL PURPOSE, PDSO24, GREEN, PLASTIC, TVSOP-24 PCA9539DBQR vs PCA9535DGVRG4
935276552118 NXP Semiconductors Check for Price 16 I/O, PIA-GENERAL PURPOSE, PDSO24 PCA9539DBQR vs 935276552118
PCA9539RPW,112 NXP Semiconductors Check for Price PCA9539; PCA9539R - 16-bit I²C-bus and SMBus low power I/O port with interrupt and reset TSSOP2 24-Pin PCA9539DBQR vs PCA9539RPW,112
PCA9535PW NXP Semiconductors Check for Price IC 16 I/O, PIA-GENERAL PURPOSE, PDSO24, 4.40 MM, PLASTIC, MO-153, SOT-355-1, TSSOP-24, Parallel IO Port PCA9539DBQR vs PCA9535PW
PCA9555PWG4 Texas Instruments Check for Price Remote 16-Bit I2C And SMBus I/O Expander With Interrupt Output And Configuration Registers 24-TSSOP -40 to 85 PCA9539DBQR vs PCA9555PWG4
PCA9539RPW,118 NXP Semiconductors Check for Price PCA9539; PCA9539R - 16-bit I²C-bus and SMBus low power I/O port with interrupt and reset TSSOP2 24-Pin PCA9539DBQR vs PCA9539RPW,118
XRA1201IL24TR-F MaxLinear Inc Check for Price Parallel I/O Port, 16 I/O, CMOS, 4 X 4 MM, 0.90 MM HEIGHT, ROHS COMPLIANT, QFN-24 PCA9539DBQR vs XRA1201IL24TR-F
935269569118 NXP Semiconductors Check for Price IC 16 I/O, PIA-GENERAL PURPOSE, PDSO24, 4.40 MM, PLASTIC, MO-153, SOT-355-1, TSSOP-24, Parallel IO Port PCA9539DBQR vs 935269569118
935273946118 NXP Semiconductors Check for Price 16 I/O, PIA-GENERAL PURPOSE, PDSO24 PCA9539DBQR vs 935273946118

PCA9539DBQR Related Parts

PCA9539DBQR Frequently Asked Questions (FAQ)

  • The PCA9539DBQR can support I2C bus frequencies up to 400 kHz.

  • The PCA9539DBQR can be configured to operate in 8-bit or 16-bit mode by setting the MODE pin high or low, respectively, during power-up.

  • The PCA9539DBQR can sink or source up to 25 mA of current on each output pin.

  • The PCA9539DBQR can be reset by pulling the RESET pin low for at least 1 ms.

  • The INT pin is an active-low interrupt output that is asserted when a change is detected on any of the input pins.

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