I/O Expander 16 I2C, SMBus 400 kHz 24-WQFN (4x4)
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TCA9539RTWR

DigiKey Part Number
296-25157-2-ND - Tape & Reel (TR)
296-25157-1-ND - Cut Tape (CT)
296-25157-6-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
TCA9539RTWR
Description
IC XPNDR 400KHZ I2C SMBUS 24WQFN
Manufacturer Standard Lead Time
12 Weeks
Customer Reference
Detailed Description
I/O Expander 16 I2C, SMBus 400 kHz 24-WQFN (4x4)
Datasheet
 Datasheet
EDA/CAD Models
TCA9539RTWR 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
1.65V ~ 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-WFQFN Exposed Pad
Interrupt Output
Yes
Supplier Device Package
24-WQFN (4x4)
Features
POR
Base Product Number
Associated Products
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
In-Stock: 0
3,000 estimated in stock on 25-Feb-2027
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All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$2.11000$2.11
10$1.56100$15.61
25$1.42280$35.57
100$1.27120$127.12
250$1.19892$299.73
500$1.15534$577.67
1,000$1.11949$1,119.49
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
3,000$1.07519$3,225.57
6,000$1.05352$6,321.12
9,000$1.04266$9,383.94
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