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CAT24C08

I2C Serial EEPROM

The CAT24C08 is a i2c serial eeprom from onsemi. View the full CAT24C08 datasheet below including key specifications.

CAT24C08 shares its datasheet with CAT24C02, whose page lists every part number it covers.

Official CAT24C08 datasheet (PDF) — the source this page was extracted from.

Manufacturer

onsemi

Category

Memory ICs

CAT24C08 Key Specifications

ParameterValue
Endurance1,000,000 program/erase cycles
InterfaceI2C (Standard 100 kHz, Fast 400 kHz)
Memory Size8 Kb (64 pages x 16 bytes)
Read Current1 mA max (400 kHz)
Write Current2 mA max (400 kHz)
Data Retention100 years
Supply Voltage1.7V to 5.5V
Standby Current1 µA max (VCC ≤ 3.3V, -40 to +85°C); 3 µA max (VCC > 3.3V); 5 µA max (to +125°C)
Write Cycle Time5 ms max
Write ProtectionHardware WP pin, entire memory
Page Write Buffer16 bytes
Device Address PinsA2, A1 (up to two devices per bus)
Storage Temperature-65°C to +150°C
Operating Temperature-40°C to +85°C (VCC 1.7-5.5V); -40°C to +125°C (VCC 1.8-5.5V)

CAT24C08 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)

CAT24C08 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

CAT24C08 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.

Part NumberManufacturerPackage
CAT24C02onsemiTSOT-23-5
CAT24C04onsemi—
CAT24C16onsemi—

Other Memory ICs

All Memory ICs datasheetsAll onsemi datasheets (337)

Data on this page is extracted from publicly available manufacturer datasheets using automated tools including AI. It may contain errors or omissions. Always verify specifications against the official manufacturer datasheet before making design or purchasing decisions. See our Terms of Service. Rights holders can submit a takedown request.

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