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24LC1026-E/SN

Name: 24LC1026-E/SN
Rating: 4.7 (12 reviews)

IC EEPROM 1MBIT I2C 400KHZ 8SOIC

製造商
製造商。部分 #24LC1026-E/SN
包 8-SOIC (0.154, 3.90mm Width)
資料表 24LC1026-E/SN DataSheet
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規格

Supplier	Microchip Technology
Package	Tube
ProductStatus	Active
MemoryType	Non-Volatile
MemoryFormat	EEPROM
Technology	EEPROM
MemorySize	1Mb (128K x 8)
MemoryInterface	I²C
ClockFrequency	400 kHz
WriteCycleTime-WordPage	5ms
AccessTime	900 ns
Voltage-Supply	2.5V ~ 5.5V
OperatingTemperature	-40°C ~ 125°C (TA)
MountingType	Surface Mount
Package/Case	8-SOIC (0.154, 3.90mm Width)

概述

Description

Introduction to 24LC1026-E/SN
- A high-density I2C serial EEPROM from Microchip: 1 Mbit total storage, organized as 128 Kbytes (128K x 8).
- Interface: 2-wire I2C bus (SCL, SDA) with standard/fast modes up to 400 kHz.
- Memory organization: uses a two-byte word address for memory access; A0–A2 address pins allow multiple devices on the same bus; WP pin provides write protection.
- Operation: supports random and sequential reads; page write up to large page size (typical 128 bytes); write cycle about a few milliseconds.
- Endurance and retention: ~1,000,000 write cycles; data retention ~100 years.
- Package/grade: 8-pin package; -E denotes extended temperature (industrial) grade; -SN indicates RoHS-compliant packaging option.
- Typical uses: configuration data, calibration tables, data logging, or any nonvolatile data storage for embedded systems.
Note: Always check the latest datasheet for exact electrical characteristics, timing, and packaging details.

Features

Key features of 24LC1026-E/SN (I2C serial EEPROM):
- Memory: 1 Mbit (128 Kbytes) EEPROM
- Interface: Two-wire I2C serial bus; standard and fast modes (up to 400 kHz)
- Addressing: 16-bit word addressing (two-byte memory address)
- Page write: 128-byte page write capability
- Write cycle time: ~5 ms typical
- Endurance: ~1,000,000 write cycles
- Data retention: 40+ years
- Supply voltage: 2.7–5.5 V
- Operating temperature: -40°C to 85°C (industrial); extended-temp variants available
- Hardware addressing: A0–A2 pins to place up to 8 devices on the same bus
- Write protection: WP pin
- Package: 8-pin packages (SN indicates RoHS-compliant small-outline/lead-free)
Note: Exact margins (e.g., temp range, page size) may vary slightly by specific lot or packaging option; consult datasheet for precise numbers.

Package

8-pin SOIC (Small Outline Integrated Circuit) package, plastic, RoHS-compliant.

Pinout

- Pin count: 8 pins (SOIC/DIP-8, -SN package)
- Function: I2C serial EEPROM memory device
- Pin1 A0, Pin2 A1, Pin3 A2 (device address inputs)
- Pin4 GND
- Pin5 SDA (data)
- Pin6 SCL (clock)
- Pin7 WP (write protect)
- Pin8 VCC
Used as a two-wire I2C EEPROM with hardware address selection and write-protect control.

Manufacturer

- Manufacturer: Microchip Technology Inc.
- What kind of company: A United States–based semiconductor company that designs, manufactures, and sells memory products (like EEPROMs), microcontrollers, and other integrated circuits.

Application

24LC1026-E/SN is a serial I2C EEPROM for non-volatile storage. Common applications:
- Microcontroller configuration and calibration data
- Device IDs, serial/lot numbers, and user settings
- Firmware/boot configuration and temporary data backup
- Data logging and event records in low-power electronics
- Storage for parameters in automotive, industrial, medical, and consumer devices
- Asset tracking and small data storage in embedded systems