CAT25256HU4I-GT3 The CAT25256HU4I-GT3 is a 256Kb Serial EEPROM from On Semiconductor, utilizing an SPI interface. It operates within a 1.8V to 5.5V supply range and is housed in an 8-UDFN package.
Mfr Part #:

CAT25256HU4I-GT3

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
The CAT25256HU4I-GT3 is a 256Kb Serial EEPROM from On Semiconductor, utilizing an SPI interface. It operates within a 1.8V to 5.5V supply range and is housed in an 8-UDFN package.
✓ Total Stock: 24,000 pcs
$ Price Range: $1.28

CAT25256HU4I-GT3 Available from 1 distributor

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
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24,000 pcs
24000 pcs On Request 1 On Request On Request On Request On Request On Request

CAT25256HU4I-GT3 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Clock Frequency
Halogen Free
Memory Format
Memory Interface
Memory Organization
Memory Size
Memory Type
Mounting Type
Operating Temperature
Supplier Device Package
Technology
Voltage
Write Cycle Time

CAT25256HU4I-GT3 Description

Short technical summary and product information.

The CAT25256HU4I-GT3 is a 256Kb Serial EEPROM device from On Semiconductor, internally organized as 32Kx8 bits. It supports the Serial Peripheral Interface (SPI) protocol and operates over a wide voltage range of 1.8V to 5.5V. The device features a 64-byte page write buffer, enabling efficient data writes.

 

Key features include hardware and software write protection, block write protection for 1/4, 1/2, or the entire array, and an additional identification page with permanent write protection. It boasts 1,000,000 program/erase cycles and 100 years of data retention, making it suitable for high-reliability applications. The EEPROM is designed for industrial and extended temperature ranges.

 

This component is available in an 8-lead UDFN package with surface mount mounting type. Its low power CMOS technology and robust ESD performance (2 kV HBM, 1 kV CDM) further enhance its suitability for various electronic designs.

CAT25256HU4I-GT3 Quick Information

Product Type: EEPROM
Canonical Name: CAT25256 Serial EEPROM, 256Kb, SPI Interface
Subcategory: Serial EEPROM

CAT25256HU4I-GT3 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

CAT25256HU4I-GT3 Estimated Pricing

Qty Low High
1+ $1.28 $1.28

Estimated market price range - modelled values for guidance only, not live distributor offers.

CAT25256HU4I-GT3 Features

  • 256Kb SPI Serial EEPROM
  • 1.8V to 5.5V supply voltage range
  • 64-byte page write buffer
  • 100-year data retention
  • 8-UDFN exposed pad package

CAT25256HU4I-GT3 Applications

  • Suitable for high reliability applications
  • Industrial and extended temperature range
  • Embedded systems data storage
  • Configuration data storage

CAT25256HU4I-GT3 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the CAT25256HU4I-GT3?

The operating voltage range is 1.8V to 5.5V.

What is the memory size and organization of the CAT25256HU4I-GT3?

The memory size is 256Kbit, organized as 32K x 8.

What SPI clock frequency and modes are supported?

The device supports a 20 MHz SPI clock and SPI modes 0,0 and 1,1.

What is the operating temperature range?

The operating temperature range is -40°C to +85°C (TA); the datasheet also lists -45°C to +130°C.

What is the write cycle time?

The write cycle time is 5 ms.

What are the endurance and data retention specs?

The device is rated for 1,000,000 program/erase cycles and 100-year data retention.

What package is the CAT25256HU4I-GT3 available in?

It comes in an 8-UDFN-EP (2x3) surface mount package with an exposed pad.

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