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PCA9539DBQR

PCA9539DBQR

PCA9539DBQR

Texas Instruments

24 Termination 0.635mm I/O Expander CA9539 24 Pin 3V 24-SSOP (0.154, 3.90mm Width)

SOT-23

PCA9539DBQR Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Lifecycle Status ACTIVE (Last Updated: 1 week ago)
Factory Lead Time 6 Weeks
Mounting Type Surface Mount
Package / Case 24-SSOP (0.154, 3.90mm Width)
Surface MountYES
Number of Pins 24
Weight 129.500622mg
Operating Temperature-40°C~85°C
PackagingTape & Reel (TR)
JESD-609 Code e4
Feature POR
Pbfree Code yes
Part StatusActive
Moisture Sensitivity Level (MSL) 2 (1 Year)
Number of Terminations 24
ECCN Code EAR99
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Voltage - Supply 2.3V~5.5V
Terminal Position DUAL
Terminal FormGULL WING
Peak Reflow Temperature (Cel) 260
Supply Voltage 3V
Terminal Pitch0.635mm
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Base Part Number CA9539
Pin Count24
Number of Outputs 2
Qualification StatusNot Qualified
Output Type Push-Pull
Operating Supply Voltage5.5V
Interface I2C, SMBus
Number of I/O 16
Number of Ports2
Output Current25mA
Number of Bits 16
Clock Frequency 400kHz
Interrupt Output Yes
Current - Output Source/Sink 10mA 25mA
Height 1.75mm
Length 8.65mm
Width 3.9mm
Thickness 1.5mm
RoHS StatusROHS3 Compliant
Lead Free Lead Free
In-Stock:7030 items

Pricing & Ordering

QuantityUnit PriceExt. Price

PCA9539DBQR Product Details

PCA9539DBQR Overview


The board has been programmed with 16 I/Os.In the packaging with the 24-SSOP (0.154, 3.90mm Width), there is a device enclosed in the package.There is an option of the Tape & Reel (TR) case that you can choose from.There is a vote within the 2.3V~5.5V range that is supplied.The recommended mounting type is Surface Mount, which makes it suitable for most applications.A device works when its operating temperature ranges from -40°C~85°C to -40°C~85°C.In order to achieve a good performance, it works at a frequency of 400kHz.As a whole, it consists of 24 terminations.In total, there are 24 pins on the part.There is voltage present at 3V as a result of the device.It is utilized to run 260 on this part due to its peak reflow temperature.2 ports are present on the device as a whole.The CA9539 family of parts can be used to identify related parts.In addition, POR can also be founded when using this device.There are a total of 16 bits on each IC chip.In addition to the 24 pins, the device has other pins as well.Whenever the chip is supplied with a voltage of 5.5V, it conducts.In order to supply the device with the maximum amount of current, we have set 25mA as the maximum current.It is possible to connect 2 outputs to the device.

PCA9539DBQR Features




PCA9539DBQR Applications


There are a lot of Texas Instruments
PCA9539DBQR I/O Expanders applications.


  • Repeaters, Radio Links, and Modems
  • Wireless Telemetry
  • JTRS
  • 802.11x Receivers
  • IDEN
  • PHS
  • TD-SCDMA
  • CDMA2000
  • WCDMA
  • UMTS

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