規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| MemoryType | Non-Volatile |
| MemoryFormat | EEPROM |
| Technology | EEPROM |
| MemorySize | 256Kb (32K x 8) |
| MemoryInterface | I²C |
| ClockFrequency | 400 kHz |
| WriteCycleTime-WordPage | 5ms |
| AccessTime | 900 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 24AA256T-I/SN is a 256-Kilobit Electrically Erasable Programmable Read-Only Memory (EEPROM) chip manufactured by Microchip Technology. It is designed for use in various applications requiring non-volatile memory storage, such as industrial, automotive, and consumer electronics. The device operates with a supply voltage range of 1.7V to 5.5V, making it versatile for different power environments.
Key features include:
- I2C Interface: Supports standard (100 kHz), Fast (400 kHz), and Fast-Plus (1 MHz) I2C bus modes, facilitating easy integration with microcontrollers.
- Data Retention and Endurance: Offers over 1 million erase/write cycles and data retention of over 200 years.
- Page Write Capability: Allows writing of up to 64 bytes in a single operation, enhancing efficiency.
- Low Power Consumption: Features low standby and active currents, optimizing power usage in battery-operated devices.
- Operating Temperature Range: Suitable for industrial temperature ranges from -40°C to 85°C.
The 24AA256T-I/SN is available in an 8-pin SOIC package, providing a compact form factor for space-constrained applications.
Key features include:
- I2C Interface: Supports standard (100 kHz), Fast (400 kHz), and Fast-Plus (1 MHz) I2C bus modes, facilitating easy integration with microcontrollers.
- Data Retention and Endurance: Offers over 1 million erase/write cycles and data retention of over 200 years.
- Page Write Capability: Allows writing of up to 64 bytes in a single operation, enhancing efficiency.
- Low Power Consumption: Features low standby and active currents, optimizing power usage in battery-operated devices.
- Operating Temperature Range: Suitable for industrial temperature ranges from -40°C to 85°C.
The 24AA256T-I/SN is available in an 8-pin SOIC package, providing a compact form factor for space-constrained applications.
Equivalent
The 24AA256T-I/SN is a 256Kb I2C EEPROM from Microchip. Equivalent products include:
1. AT24C256C from Atmel/Microchip
2. M24C256 from STMicroelectronics
3. CAT24C256 from ON Semiconductor
4. 24LC256 from Microchip (another variant)
5. BR24G256 from ROHM Semiconductor
These products offer similar features like I2C interface, memory capacity, and voltage range, though always check specific datasheets for compatibility.
1. AT24C256C from Atmel/Microchip
2. M24C256 from STMicroelectronics
3. CAT24C256 from ON Semiconductor
4. 24LC256 from Microchip (another variant)
5. BR24G256 from ROHM Semiconductor
These products offer similar features like I2C interface, memory capacity, and voltage range, though always check specific datasheets for compatibility.
Features
The 24AA256T-I/SN is a 256-Kbit serial Electrically Erasable Programmable Read-Only Memory (EEPROM) by Microchip Technology, designed for use in applications requiring non-volatile memory storage. Key features include:
1. Capacity: 256 Kbits, organized as 32,768 x 8-bit memory.
2. Interface: I²C-compatible two-wire serial interface supporting standard (100 kHz), fast (400 kHz), and fast-plus (1 MHz) modes.
3. Operating Voltage: Wide voltage range from 1.7V to 5.5V, making it suitable for various applications.
4. Low Power Consumption: Standby current typically 1 µA, and active current typically 400 µA during read/write at 5.5V.
5. Write Protection: Includes a write protection feature that safeguards the entire memory array.
6. Endurance and Retention: Endurance of 1 million write cycles per cell and data retention of over 200 years.
7. Temperature Range: Industrial temperature range from -40°C to +85°C.
8. Package Options: Available in 8-lead SOIC package.
These features make it ideal for applications like consumer electronics, industrial control, or any system requiring reliable and efficient memory storage.
1. Capacity: 256 Kbits, organized as 32,768 x 8-bit memory.
2. Interface: I²C-compatible two-wire serial interface supporting standard (100 kHz), fast (400 kHz), and fast-plus (1 MHz) modes.
3. Operating Voltage: Wide voltage range from 1.7V to 5.5V, making it suitable for various applications.
4. Low Power Consumption: Standby current typically 1 µA, and active current typically 400 µA during read/write at 5.5V.
5. Write Protection: Includes a write protection feature that safeguards the entire memory array.
6. Endurance and Retention: Endurance of 1 million write cycles per cell and data retention of over 200 years.
7. Temperature Range: Industrial temperature range from -40°C to +85°C.
8. Package Options: Available in 8-lead SOIC package.
These features make it ideal for applications like consumer electronics, industrial control, or any system requiring reliable and efficient memory storage.
Pinout
The 24AA256T-I/SN is a 256 Kbit I2C EEPROM from Microchip Technology. It has an 8-pin configuration which includes the following pins:
1. A0, A1, A2: Device address inputs used to select the device on the I2C bus.
2. VSS: Ground reference for the device.
3. SDA: Serial Data line for both input and output, used for data transfer.
4. SCL: Serial Clock line used to synchronize data transfer.
5. WP (Write Protect): Input pin used to disable write operations to the entire memory when connected to VCC.
6. VCC: Power supply pin.
The 24AA256T-I/SN operates over a wide voltage range and is often used for data storage in applications requiring non-volatile memory, such as configuration settings or logs. It communicates using the I2C protocol, supporting standard and fast mode (up to 400 kHz).
1. A0, A1, A2: Device address inputs used to select the device on the I2C bus.
2. VSS: Ground reference for the device.
3. SDA: Serial Data line for both input and output, used for data transfer.
4. SCL: Serial Clock line used to synchronize data transfer.
5. WP (Write Protect): Input pin used to disable write operations to the entire memory when connected to VCC.
6. VCC: Power supply pin.
The 24AA256T-I/SN operates over a wide voltage range and is often used for data storage in applications requiring non-volatile memory, such as configuration settings or logs. It communicates using the I2C protocol, supporting standard and fast mode (up to 400 kHz).
Manufacturer
The 24AA256T-I/SN is manufactured by Microchip Technology Inc. Microchip Technology is a leading semiconductor company that designs and manufactures a wide range of microcontroller, mixed-signal, analog, and Flash-IP solutions. The company serves numerous markets, including automotive, industrial, consumer, and aerospace, providing solutions that enhance the performance and efficiency of electronic devices. Microchip is known for producing reliable and high-quality components that are integral in embedded system design and development.
Application
The 24AA256T-I/SN is a 256-Kbit I2C-compatible Serial EEPROM from Microchip Technology. It is used in applications requiring data storage and retrieval, such as:
1. Consumer Electronics: Storing configuration settings and calibration data.
2. Industrial Automation: Retaining device settings and operational logs.
3. Medical Devices: Recording patient data and device history.
4. Automotive: Maintaining non-volatile data for vehicle control systems.
5. Networking Equipment: Configuration and firmware storage.
6. IoT Devices: Data logging and state retention.
7. Communication Devices: Settings storage and data logging.
Its non-volatile memory ensures data is retained without power, making it versatile for embedded systems.
1. Consumer Electronics: Storing configuration settings and calibration data.
2. Industrial Automation: Retaining device settings and operational logs.
3. Medical Devices: Recording patient data and device history.
4. Automotive: Maintaining non-volatile data for vehicle control systems.
5. Networking Equipment: Configuration and firmware storage.
6. IoT Devices: Data logging and state retention.
7. Communication Devices: Settings storage and data logging.
Its non-volatile memory ensures data is retained without power, making it versatile for embedded systems.
Package
The 24AA256T-I/SN is a 256Kb I2C Serial EEPROM manufactured by Microchip Technology, and it comes in an 8-lead SOIC (Small Outline Integrated Circuit) package.
