CAT24S128C4ATR is out of stock and can be placed on backorder.
Available Substitutes:

Parametric Equivalent


onsemi
In Stock: 11,710,000
Unit Price: $0.22000
Datasheet

Parametric Equivalent


onsemi
In Stock: 1,135,609
Unit Price: $0.22000
Datasheet
EEPROM Memory IC 128Kbit I2C 1 MHz 400 ns 4-WLCSP (0.84x0.84)
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

CAT24S128C4ATR

DigiKey Part Number
488-CAT24S128C4ATR-ND - Tape & Reel (TR)
488-CAT24S128C4ATRCT-ND - Cut Tape (CT)
488-CAT24S128C4ATRDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
CAT24S128C4ATR
Description
IC EEPROM 128KBIT I2C 4WLCSP
Manufacturer Standard Lead Time
22 Weeks
Customer Reference
Detailed Description
EEPROM Memory IC 128Kbit I2C 1 MHz 400 ns 4-WLCSP (0.84x0.84)
Datasheet
 Datasheet
EDA/CAD Models
CAT24S128C4ATR Models
Product Attributes
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Category
Memory Interface
I2C
Mfr
Clock Frequency
1 MHz
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Write Cycle Time - Word, Page
5ms
Part Status
Active
Access Time
400 ns
DigiKey Programmable
Not Verified
Voltage - Supply
1.7V ~ 5.5V
Memory Type
Non-Volatile
Operating Temperature
-40°C ~ 85°C (TA)
Memory Format
Mounting Type
Surface Mount
Technology
EEPROM
Package / Case
Memory Size
Supplier Device Package
4-WLCSP (0.84x0.84)
Memory Organization
16K x 8
Base Product Number
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (2)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
CAT24S128C4UTRonsemi11,710,000488-CAT24S128C4UTR-ND$0.22000Parametric Equivalent
N24S128C4DYT3Gonsemi1,135,609488-N24S128C4DYT3GTR-ND$0.22000Parametric Equivalent
Available To Order
Factory Stock: 115,000
385 estimated in stock on 14-May-2027

This is stock that is available at the supplier which may be available to DigiKey upon receipt of order.

All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$0.33000$0.33
10$0.31000$3.10
25$0.30200$7.55
50$0.29580$14.79
100$0.28950$28.95
250$0.28120$70.30
500$0.27480$137.40
1,000$0.26842$268.42
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
5,000$0.17660$883.00
10,000$0.17227$1,722.70
15,000$0.16975$2,546.25
25,000$0.16661$4,165.25
35,000$0.16457$5,759.95
50,000$0.16241$8,120.50
Tariff Status: Tariff may apply if shipping to the United States. Estimated tariff costs will be calculated and displayed in the shopping cart to help you assess potential expenses.