AT24CM01-XHD-T

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AT24CM01-XHD-T

IC EEPROM 1MBIT I2C 1MHZ 8TSSOP

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規格

Supplier Microchip Technology
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
MemoryType Non-Volatile
MemoryFormat EEPROM
Technology EEPROM
MemorySize 1Mb (128K x 8)
MemoryInterface I²C
ClockFrequency 1 MHz
WriteCycleTime-WordPage 5ms
AccessTime 550 ns
Voltage-Supply 2.5V ~ 5.5V
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 8-TSSOP (0.173, 4.40mm Width)

概述

Description

The AT24CM01-XHD-T is an Atmel/Microchip 1-Mbit two-wire (I2C) serial EEPROM. It provides non-volatile memory (about 128 KB) accessible over I2C with random and sequential reads and page-write capability. Endurance is typical of EEPROMs (up to around 10^5–10^6 write cycles). It operates from 2.7 to 5.5 V and commonly runs from -40°C to 85°C (industrial variants exist). The device uses a small 8-pin package; the -XHD-T suffix indicates a specific package/temperature/packaging option (check the datasheet for exact details). Applications include storing configuration data, device IDs, calibration data, and other small data blobs in embedded systems. For exact memory organization, page size, timing, and device addressing, refer to the AT24CM01 datasheet.

Features

AT24CM01-XHD-T features (concise):
- 1 Kb I2C Serial EEPROM (128 x 8)
- I2C two-wire interface (SCL/SDA); supports standard and fast-mode (up to 400 kHz)
- 16-byte page write; random and sequential reads
- Hardware write protection via WP pin
- Endurance: up to 1,000,000 write cycles; data retention typically over 100 years
- Wide operating voltage range (typical 2.7–5.5 V)
- Industrial temperature range (-40°C to +125°C)
- 8-pin package in XHD-T (Tape & Reel) format
- Small footprint suitable for space-constrained applications
Note: Always verify exact electrical characteristics from the specific datasheet revision for your design.

Package

An 8‑pin XHD small‑outline package (8‑lead), Tape‑and‑Reel.

Pinout

- Pin count: 8 pins (8-pin package).
- Function: 1 Kbit I2C two-wire serial EEPROM (128 x 8) with hardware address pins (A0–A2) and a write-protect input. Pins typically: VCC, GND, SDA, SCL, A0, A1, A2, WP.

Manufacturer

Manufacturer: Microchip Technology Inc. (originally Atmel Corporation; AT24CM01-XHD-T is an Atmel/Microchip part).
What kind of company: A multinational semiconductor company that designs, manufactures, and sells microcontrollers, memory devices and other ICs (analog/ interface products) worldwide.

Application

AT24CM01-XHD-T is a small non-volatile I2C EEPROM (1 Kbit). Typical applications:
- Stores calibration data, configuration/parameter data, and user preferences in embedded systems
- Device identification (serial numbers, MACs, part IDs) and manufacturing/test data
- Boot/configuration data and firmware update metadata for MCUs
- Non-volatile logs or counters in automotive, industrial, consumer electronics, metering, networking, and medical devices

Equivalent

Equivalents are other 1Kbit I2C serial EEPROMs such as ST M24C01-W; Microchip 24AA01/24LC01B; and NXP/Philips 24C01. They share the 8-pin package and I2C interface; confirm exact timing and address pins for compatibility.

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