AT24C64D-XHM-B

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AT24C64D-XHM-B

IC EEPROM 64KBIT I2C 1MHZ 8TSSOP

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Thông số kỹ thuật

Part Status Active
DigiKey Programmable Verified
Memory Type Non-Volatile
Memory Format EEPROM
Technology EEPROM
Memory Size 64Kbit
Memory Organization 8K x 8
Memory Interface I2C
Write Cycle Time - Word, Page 5ms
Voltage - Supply 1.7V ~ 5.5V
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 8-TSSOP (0.173", 4.40mm Width)
Supplier Device Package 8-TSSOP
Base Product Number AT24C64D
Clock Frequency 1 MHz
Access Time 550 ns

Tổng quan

Description

The AT24C64D-XHM-B is a 64Kb (8K x 8) serial EEPROM (Electrically Erasable Programmable Read-Only Memory) designed by Microchip Technology. It utilizes the I²C (Inter-Integrated Circuit) protocol, allowing for easy integration with microcontrollers and other digital systems.
Key features include a wide operating voltage range (1.8V to 5.5V), high-speed operation up to 1 MHz, and an array of 64 pages with each page capable of holding 32 bytes of data. The device supports multiple address configurations, enabling connection of up to eight devices on a single I²C bus.
The AT24C64D-XHM-B is ideal for applications requiring non-volatile memory storage, such as in consumer electronics, automotive systems, and industrial automation. It is available in various packages, including small surface-mount options, making it suitable for space-constrained designs. The device offers robust data retention (up to 100 years) and endurance (up to 1 million write cycles), ensuring reliable performance in diverse applications.

Features

The AT24C64D-XHM-B is a 64 Kbit (8 Kbyte) I2C EEPROM (Electrically Erasable Programmable Read-Only Memory) designed for a variety of applications. Key features include:
1. Memory Organization: 64 Kbits divided into 8 pages of 256 bytes each.
2. I2C Interface: Compatible with standard I2C protocols, supporting speeds of up to 1 MHz.
3. Write Endurance: Supports a minimum of 1,000,000 write/erase cycles per memory cell.
4. Data Retention: Guaranteed data retention of up to 100 years at +25°C.
5. Dual Addressing: Provides two address pins for up to four devices on the same bus.
6. Low Power Consumption: Operates with a supply voltage of 1.8V to 5.5V, making it suitable for battery-powered devices.
7. Byte and Page Write Modes: Allows for flexible data writing, enabling both single-byte and multi-byte (page) writes.
These features make the AT24C64D-XHM-B ideal for applications such as data logging, configuration settings, and non-volatile storage in various electronic devices.

Package

The AT24C64D-XHM-B is available in an 8-lead SOIC (Small Outline Integrated Circuit) package type. This surface-mount package is designed for ease of use in compact electronic applications.

Pinout

The AT24C64D-XHM-B is a 64Kb (8K x 8) I2C EEPROM (Electrically Erasable Programmable Read-Only Memory) device. It features a total of 8 pins, which serve the following functions:
1. VCC (Pin 1): Power supply voltage (typically +2.5V to +5.5V).
2. GND (Pin 2): Ground reference.
3. SDA (Pin 3): Serial Data Line for data transfer.
4. SCL (Pin 4): Serial Clock Line for synchronization of data transfer.
5. A0 (Pin 5): Chip select pin for addressing multiple devices on the same I2C bus.
6. A1 (Pin 6): Chip select pin for addressing multiple devices on the same I2C bus.
7. A2 (Pin 7): Chip select pin for addressing multiple devices on the same I2C bus.
8. NC (Pin 8): No Connect; not used.
The AT24C64D-XHM-B is widely used in applications requiring non-volatile data storage, such as in consumer electronics, industrial equipment, and automotive systems.

Manufacturer

The AT24C64D-XHM-B is manufactured by Microchip Technology Inc., a leading provider of microcontroller and analog semiconductors. Founded in 1989, Microchip specializes in embedded control solutions and provides a wide range of products, including microcontrollers, memory devices, and development tools. The company focuses on delivering high-quality, reliable components for various applications, including automotive, industrial, consumer, and communications markets. Microchip is known for its commitment to innovative technology and customer support, making it a key player in the semiconductor industry.

Application

The AT24C64D-XHM-B is a 64K-bit EEPROM (Electrically Erasable Programmable Read-Only Memory) used in various applications, including data storage for microcontrollers, automotive systems, consumer electronics, industrial automation, and telecommunications. It is ideal for storing configuration settings, calibration data, and user preferences due to its non-volatile memory capability and I2C interface for easy integration in embedded systems.

Equivalent

The AT24C64D-XHM-B is a 64Kb I2C EEPROM. Equivalent products include:
1. Microchip 24LC64
2. STMicroelectronics M24C64
3. NXP (Philips) PCF8591
Always verify compatibility in terms of voltage, pin configuration, and I2C addressing.

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