AT24C02C-SSHM-B

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AT24C02C-SSHM-B

IC EEPROM 2KBIT I2C 1MHZ 8SOIC

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規格

Package Tube
ProductStatus Active
MemoryType Non-Volatile
MemoryFormat EEPROM
Technology EEPROM
MemorySize 2Kb (256 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-SOIC (0.154, 3.90mm Width)

概述

Description

The AT24C02C-SSHM-B is a 2K-bit (256 x 8) EEPROM (Electrically Erasable Programmable Read-Only Memory) from Microchip Technology. It operates over an I²C interface, allowing for easy integration into microcontroller and embedded systems. The device features a 2-wire serial interface, which simplifies connection to various devices and reduces pin count.
Key specifications include a wide operating voltage range (1.8V to 5.5V), low power consumption, and support for both standard and fast I²C modes (up to 400 kHz). The AT24C02C offers multiple addressing capabilities, allowing up to eight devices to be connected on the same bus.
Data is stored in bytes, and the device supports byte and page write operations, with up to 16 bytes written in a single operation. The AT24C02C-SSHM-B is suitable for applications such as configuration settings, calibration data storage, and other non-volatile memory needs in consumer electronics, automotive, and industrial applications. Its compact package and reliable performance make it a popular choice for engineers designing memory-intensive applications.

Features

The AT24C02C-SSHM-B is a 2Kb (256 x 8-bit) EEPROM (Electrically Erasable Programmable Read-Only Memory) from Microchip Technology. Key features include:
1. Interface: It operates via a 2-wire I2C (Inter-Integrated Circuit) interface, allowing easy integration with microcontrollers and other devices.
2. Voltage Range: It supports a wide operating voltage from 1.8V to 5.5V, making it suitable for various applications.
3. Data Retention: The device offers data retention of up to 100 years, ensuring reliability for long-term storage.
4. Write Endurance: It supports up to 1 million write/erase cycles per memory cell, providing durability over frequent updates.
5. Package Options: Available in multiple packages, including a small 8-lead SOIC and TSSOP, facilitating space-constrained designs.
6. Page Write Capability: It allows for page write operations of up to 16 bytes, enhancing write efficiency.
7. Temperature Range: It is specified for standard and industrial temperature ranges.
These features make the AT24C02C-SSHM-B suitable for applications like data logging, configurations, and non-volatile memory storage in various electronic devices.

Package

The AT24C02C-SSHM-B is packaged in a TSSOP (Thin Shrink Small Outline Package) format, which is a surface-mount package designed for compactness and efficiency in PCB space.

Pinout

The AT24C02C-SSHM-B is a 2K-bit I2C EEPROM memory device. It has a total of 8 pins. Here’s a brief overview of the pin functions:
1. VCC (Pin 1): Power supply voltage (typically 1.8V to 5.5V).
2. GND (Pin 2): Ground reference.
3. SDA (Pin 3): Serial Data line for I2C communication.
4. SCL (Pin 4): Serial Clock line for I2C communication.
5. WP (Pin 5): Write Protect pin; when tied to VCC, it prevents writing to the memory.
6. A0 (Pin 6): Device address pin; used to configure the device address for I2C.
7. A1 (Pin 7): Another device address pin for expanding the number of devices on the I2C bus.
8. NC (Pin 8): No Connection; not internally connected and can be left floating.
This device is commonly used for applications requiring non-volatile memory storage.

Manufacturer

The AT24C02C-SSHM-B is manufactured by Microchip Technology Inc. Microchip is a leading semiconductor manufacturer specializing in microcontrollers, analog semiconductors, and memory products. Founded in 1989 and headquartered in Chandler, Arizona, Microchip provides solutions for various applications, including automotive, industrial, consumer, and communications sectors. The company is known for its innovation in embedded control, offering a wide range of products that enable designers to create efficient and reliable electronic systems. Microchip's portfolio includes various memory types, microcontrollers, and development tools.

Application

The AT24C02C-SSHM-B is a 2Kb I2C EEPROM commonly used in various applications such as data storage for configuration settings, calibration data, and preferences in consumer electronics, automotive systems, industrial equipment, and IoT devices. It is suitable for applications requiring non-volatile memory to retain information during power loss, such as smart meters, sensors, and portable devices.

Equivalent

The AT24C02C-SSHM-B is a 2Kb I2C EEPROM chip. Equivalent products include:
1. Microchip 24LC02B
2. STMicroelectronics M24C02
3. NXP (Philips) P24C02
4. Winbond W25X02
Always verify specific features and pin configurations for compatibility.

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