CAT24C02
I2C Serial EEPROMThe CAT24C02 is a i2c serial eeprom from onsemi. View the full CAT24C02 datasheet below including key specifications.
Official CAT24C02 datasheet (PDF) — the source this page was extracted from.
CAT24C02 Key Specifications
| Parameter | Value |
|---|---|
| Endurance | 1,000,000 program/erase cycles |
| Interface | I2C (Standard 100 kHz, Fast 400 kHz) |
| Memory Size | 2 Kb (256 x 8) |
| Read Current | 1 mA max (400 kHz) |
| Write Current | 2 mA max (400 kHz) |
| Data Retention | 100 years |
| Supply Voltage | 1.7V to 5.5V |
| Standby Current | 1 µA max (VCC ≤ 3.3V, 85°C) |
| Write Cycle Time | 5 ms max |
| Page Write Buffer | 16 bytes |
| Max Devices On Bus | 8 (via A0, A1, A2 address pins) |
| Operating Temperature | -40°C to +85°C (Industrial) |
| Hardware Write Protection | WP pin, entire memory |
CAT24C02 Overview
Part: CAT24C02, CAT24C04, CAT24C08, CAT24C16 — onsemi
Type: I2C Serial EEPROM
Description: 2-Kb, 4-Kb, 8-Kb, and 16-Kb I2C Serial EEPROM devices with a 1.7 V to 5.5 V supply voltage range, supporting Standard (100 kHz) and Fast (400 kHz) I2C protocols, and featuring a 16-byte page write buffer.
Operating Conditions:
- Supply voltage: 1.7 V to 5.5 V
- Operating temperature: -40 °C to +125 °C (for VCC = 1.8 V to 5.5 V)
- Operating temperature: -40 °C to +85 °C (for VCC = 1.7 V to 5.5 V)
Absolute Maximum Ratings:
- Max supply voltage: +6.5 V (on any pin with respect to Ground)
- Max storage temperature: +150 °C
Key Specs:
- Read Current (ICCR): 1 mA max (fSCL = 400 kHz)
- Write Current (ICCW): 2 mA max (fSCL = 400 kHz)
- Standby Current (ISB): 1 mA max (TA = -40 °C to +85 °C, VCC ≤ 3.3 V)
- Endurance: 1,000,000 Program/Erase Cycles min
- Data Retention: 100 Years min
- Clock Frequency (FSCL): 400 kHz max (Fast mode)
- Write Cycle Time (tWR): 5 ms max
Features:
- 16-Byte Page Write Buffer
- Schmitt Triggers and Noise Suppression Filters on I2C Bus Inputs (SCL and SDA)
- Hardware Write Protection for Entire Memory
- Low power CMOS Technology
- Power-On Reset (POR) circuitry
- Pb-Free, Halogen Free/BFR Free and RoHS Compliant
Applications:
Package:
- TSSOP-8 (Y SUFFIX CASE 948AL)
- SOIC-8 (W SUFFIX CASE 751BD)
- WLCSP-5 (C5A SUFFIX CASE 567DD)
- WLCSP-4 (C4A SUFFIX CASE 567DC)
- WLCSP-4 (C4U SUFFIX CASE 567NX)
CAT24C02 Features
- 1.7 V to 5.5 V Supply Voltage Range
- Supports Standard and Fast I 2 C Protocol
- 16 -Byte Page Write Buffer
- Schmitt Triggers and Noise Suppression Filters on I 2 C Bus Inputs (SCL and SDA)
- Hardware Write Protection for Entire Memory
- Low power CMOS Technology
- 100 Year Data Retention
- More than 1,000,000 Program/Erase Cycles
- Industrial and Extended Temperature Range
- These Devices are Pb -Free, Halogen Free/BFR Free and are RoHS Compliant
This document contains information on some products that are still under development. onsemi reserves the right to change or discontinue these products without notice.
TSSOP -8 Y SUFFIX CASE 948AL
SOIC -8 W SUFFIX CASE 751BD
WLCSP -5** C5A SUFFIX CASE 567DD
WLCSP -4** C4A SUFFIX CASE 567DC
WLCSP -4** C4U SUFFIX CASE 567NX
** WLCSP are available for the CAT24C04, CAT24C08 and CAT24C16 only.
For serial EEPROM in the US8 package, please consult the N24C02 datasheet
CAT24C02 Pin Configuration
Figure 1. Functional Symbol
Figure 1. Functional Symbol
Variants on the same datasheet
These parts have exact links to the same datasheet. They are candidates to compare, not verified drop-in replacements; check package, pinout and electrical limits.
Other Memory ICs
- CH347T – WCH, Serial SLC NAND Flash Memory
- M24512-DFMC6TG – STMicroelectronics, EEPROM
- ST25DV04KC-JF6L3 – STMicroelectronics, Dynamic NFC/RFID Tag IC
- ZD25WQ16CTIGT – Zetta, Serial Multi I/O NOR Flash
- AT25SL128A-MHE-T – Renesas Electronics, 128-Mbit SPI Serial NOR Flash
- 23A1024 – Microchip Technology, Serial SRAM
- 23LC1024 – Microchip Technology, Serial SRAM
- 23LC1024-I/P – Microchip Technology, Serial SRAM
Ask your AI agent about the CAT24C02
Connect SheetsData to Claude, Cursor, Codex or any MCP client and your agent reads this datasheet for you: pinout, limits, register maps and design checks, with the numbers taken from the PDF.
claude mcp add --transport http sheetsdata https://mcp.sheetsdata.com/mcp
Then ask: "Can the CAT24C02 run from my 12 V rail? Check it against the datasheet limits."
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