PCA9539RGER is out of stock and can be placed on backorder.
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NXP USA Inc.
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Diodes Incorporated
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I/O Expander 16 I2C, SMBus 400 kHz 24-VQFN (4x4)
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

PCA9539RGER

DigiKey Part Number
296-19549-2-ND - Tape & Reel (TR)
296-19549-1-ND - Cut Tape (CT)
296-19549-6-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
PCA9539RGER
Description
IC XPNDR 400KHZ I2C SMBUS 24VQFN
Manufacturer Standard Lead Time
16 Weeks
Customer Reference
Detailed Description
I/O Expander 16 I2C, SMBus 400 kHz 24-VQFN (4x4)
Datasheet
 Datasheet
EDA/CAD Models
PCA9539RGER Models
Product Attributes
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Category
Output Type
Push-Pull
Manufacturer
Texas Instruments
Current - Output Source/Sink
10mA, 25mA
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Clock Frequency
400 kHz
Part Status
Active
Voltage - Supply
2.3V ~ 5.5V
DigiKey Programmable
Not Verified
Operating Temperature
-40°C ~ 85°C
Number of I/O
16
Mounting Type
Surface Mount
Interface
I2C, SMBus
Package / Case
24-VFQFN Exposed Pad
Interrupt Output
Yes
Supplier Device Package
24-VQFN (4x4)
Features
POR
Base Product Number
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (5)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
PCA9539BS,118NXP USA Inc.0568-1841-2-ND$0.00000Similar
PCA9539RBS,118NXP USA Inc.0568-8709-2-ND$0.00000Similar
PCA9673BS,118NXP USA Inc.0PCA9673BS,118-ND$0.00000Similar
PI4IOE5V9539ZDEXDiodes Incorporated25,900PI4IOE5V9539ZDEXDICT-ND$1.52000Similar
PI4IOE5V9673ZDEXDiodes Incorporated0PI4IOE5V9673ZDEX-ND$0.82696Similar
In-Stock: 0
3,000 expected in stock on 12-Nov-2026
Request Stock Notification
All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$2.23000$2.23
10$1.64700$16.47
25$1.50200$37.55
100$1.34270$134.27
250$1.26668$316.67
500$1.22706$613.53
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
3,000$1.13653$3,409.59
6,000$1.11373$6,682.38
9,000$1.10231$9,920.79