I/O Expander 16 I2C, SMBus 1 MHz 24-WQFN (4x4)
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TCAL9539RTWR

DigiKey Part Number
296-TCAL9539RTWRTR-ND - Tape & Reel (TR)
296-TCAL9539RTWRCT-ND - Cut Tape (CT)
296-TCAL9539RTWRDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
TCAL9539RTWR
Description
16-BIT LOW-VOLTAGE IC-BUS AND SM
Manufacturer Standard Lead Time
12 Weeks
Customer Reference
Detailed Description
I/O Expander 16 I2C, SMBus 1 MHz 24-WQFN (4x4)
Datasheet
 Datasheet
EDA/CAD Models
TCAL9539RTWR Models
Product Attributes
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Category
Output Type
Open Drain, Push-Pull
Manufacturer
Texas Instruments
Current - Output Source/Sink
10mA, 25mA
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Clock Frequency
1 MHz
Part Status
Active
Voltage - Supply
1.08V ~ 3.6V
Number of I/O
16
Operating Temperature
-40°C ~ 125°C
Interface
I2C, SMBus
Mounting Type
Surface Mount
Interrupt Output
Yes
Package / Case
24-WFQFN Exposed Pad
Features
POR
Supplier Device Package
24-WQFN (4x4)
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
In-Stock: 0
5,000 estimated in stock on 30-Oct-2026
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All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$2.00000$2.00
10$1.47600$14.76
25$1.34440$33.61
100$1.20000$120.00
250$1.13116$282.79
500$1.08964$544.82
1,000$1.05548$1,055.48
2,500$1.01942$2,548.55
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
5,000$0.99768$4,988.40
10,000$0.97979$9,797.90