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AT24C64D-XHM-T

Name: AT24C64D-XHM-T
Rating: 4.7 (12 reviews)

IC EEPROM 64KBIT I2C 1MHZ 8TSSOP

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包 TSSOP-8
資料表 AT24C64D-XHM-T DataSheet
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規格

Package	Tape & Reel (TR),Cut Tape (CT)
ProductStatus	Active
MemoryType	Non-Volatile
MemoryFormat	EEPROM
Technology	EEPROM
MemorySize	64Kb (8K x 8)
MemoryInterface	I²C
ClockFrequency	1 MHz
WriteCycleTime-WordPage	5ms
AccessTime	550 ns
Voltage-Supply	1.7V ~ 5.5V
OperatingTemperature	-40°C ~ 85°C (TA)
MountingType	Surface Mount
Package/Case	8-TSSOP (0.173, 4.40mm Width)

概述

Description

The AT24C64D-XHM-T is a 64Kbit (8K x 8) EEPROM (Electrically Erasable Programmable Read-Only Memory) manufactured by Microchip Technology. It utilizes I²C (Inter-Integrated Circuit) protocol for communication, making it suitable for a variety of embedded applications. The device operates within a voltage range of 1.7V to 5.5V, with a maximum clock frequency of 1 MHz. It features a page write capability, allowing data to be written in blocks, which enhances efficiency in data storage.
The AT24C64D-XHM-T is often used in applications requiring non-volatile memory, such as configuration data storage, user settings, and other scenarios where data retention is crucial even after power loss. The chip comes in various package options, including SOIC and TSSOP, facilitating integration into different circuit designs. Additionally, it provides a robust solution with a high endurance of up to 1 million write/erase cycles and data retention capabilities of up to 100 years.

Features

The AT24C64D-XHM-T is a 64 Kbit (8 Kbyte) EEPROM (Electrically Erasable Programmable Read-Only Memory) from Microchip Technology. Key features include:
- Memory Organization: It consists of 8 pages of 64 bytes each, allowing for efficient data storage and retrieval.
- I2C Interface: Operates on the I2C protocol, supporting standard (100 kHz) and fast (400 kHz) modes.
- Data Retention: Offers a data retention period of up to 100 years, ensuring long-term reliability.
- Endurance: Capable of withstanding up to 1,000,000 write/erase cycles per memory cell.
- Power Supply: Operates within a voltage range of 1.7V to 5.5V, making it suitable for various applications.
- Write Protection: Features a hardware write-protect pin to prevent accidental writes.
- Low Power Consumption: Consumes minimal power during both read and write operations, making it ideal for battery-operated devices.
This EEPROM is commonly used in applications like data logging, configuration storage, and microcontroller interfacing.

Package

The AT24C64D-XHM-T is available in an 8-lead SOIC (Small Outline Integrated Circuit) package type. It features a surface mount design suitable for various electronic applications.

Pinout

The AT24C64D-XHM-T is a 64 Kbit EEPROM (Electrically Erasable Programmable Read-Only Memory) chip with a total of 8 pins. Its key pin functions are as follows:
1. Pin 1 (A0): Address input for device selection.
2. Pin 2 (A1): Address input for device selection.
3. Pin 3 (A2): Address input for device selection.
4. Pin 4 (SDA): Serial Data Line; used for data input/output.
5. Pin 5 (SCL): Serial Clock; controls the data transfer rate.
6. Pin 6 (WP): Write Protect; enables or disables write operations.
7. Pin 7 (VCC): Supply Voltage; typically 2.7V to 5.5V.
8. Pin 8 (GND): Ground; the reference point for the power supply.
The AT24C64D-XHM-T communicates via I²C interface and is used for non-volatile data storage in various applications.

Manufacturer

The AT24C64D-XHM-T is manufactured by Atmel Corporation, which is now part of Microchip Technology Inc. Atmel was known for designing and producing a wide range of semiconductor products, including microcontrollers, memory devices, and other integrated circuits. The AT24C64D-XHM-T is a 64Kb EEPROM (Electrically Erasable Programmable Read-Only Memory) device, commonly used in applications that require data storage, like consumer electronics, automotive systems, and industrial equipment.
Microchip Technology Inc. is a leading provider of microcontroller and analog semiconductors, focusing on embedded control applications. The company serves various markets, including automotive, industrial, and consumer electronics, and is recognized for its commitment to innovation in the semiconductor industry.

Application

The AT24C64D-XHM-T is a 64Kb I2C EEPROM used in various applications, including data storage in consumer electronics, automotive systems, industrial automation, and medical devices. It serves for configuration settings, firmware storage, and calibration data retention in devices like smart meters, sensors, and communication equipment, providing non-volatile memory solutions where low power consumption and reliability are essential.

Equivalent

The AT24C64D-XHM-T is a 64Kb I2C EEPROM. Equivalent products include:
1. Microchip 24LC64
2. STMicroelectronics M24C64
3. NXP/Philips 24C64
4. Winbond W25X64
5. ON Semiconductor CAT24C64
Always verify electrical characteristics and pin configurations when substituting.