PCA9555D,118 is out of stock and can be placed on backorder.
Available Substitutes:

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Analog Devices Inc./Maxim Integrated
In Stock: 1,580
Unit Price: $9.23000
Datasheet

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Texas Instruments
In Stock: 5,155
Unit Price: $4.00000
Datasheet

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Texas Instruments
In Stock: 566
Unit Price: $5.58000
Datasheet
I/O Expander 16 I2C, SMBus 400 kHz 24-SO
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

PCA9555D,118

DigiKey Part Number
568-11907-2-ND - Tape & Reel (TR)
568-11907-1-ND - Cut Tape (CT)
568-11907-6-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
PCA9555D,118
Description
IC XPNDR 400KHZ I2C SMBUS 24SO
Manufacturer Standard Lead Time
16 Weeks
Customer Reference
Detailed Description
I/O Expander 16 I2C, SMBus 400 kHz 24-SO
Datasheet
 Datasheet
EDA/CAD Models
PCA9555D,118 Models
Product Attributes
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Category
Output Type
Push-Pull
Manufacturer
NXP USA Inc.
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-SOIC (0.295", 7.50mm Width)
Interrupt Output
Yes
Supplier Device Package
24-SO
Features
POR
Base Product Number
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (3)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
MAX7312AWG+TAnalog Devices Inc./Maxim Integrated1,580175-MAX7312AWG+TTR-ND$9.23000Similar
PCA9555DWRTexas Instruments5,155296-20973-2-ND$4.00000Direct
PCA9555DWTexas Instruments566296-33519-5-ND$5.58000Similar
In-Stock: 0
1,000 expected in stock on 23-Nov-2026
Request Stock Notification
All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$2.92000$2.92
10$2.18000$21.80
25$1.99480$49.87
100$1.79180$179.18
250$1.69488$423.72
500$1.66204$831.02
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
1,000$1.61926$1,619.26
2,000$1.57894$3,157.88
3,000$1.55874$4,676.22
5,000$1.53636$7,681.80