規格
| 屬性 | 價值 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Memory Type | Non-Volatile |
| Memory Format | EEPROM |
| Technology | EEPROM |
| Memory Size | 256Kb (32K x 8) |
| Memory Interface | SPI |
| Clock Frequency | 20 MHz |
| Write Cycle Time - Word Page | 5ms |
| Voltage - Supply | 1.8V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
概述
Description
The AT25256B-SSHL-T is a specific model of a serial Electrically Erasable Programmable Read-Only Memory (EEPROM) chip produced by Microchip Technology. It offers a storage capacity of 256 kilobits, distributed across its architecture to allow for efficient data management and storage. The EEPROM operates with a two-wire serial interface, which makes it compatible with the Inter-Integrated Circuit (I2C) protocol, enhancing communication with various microcontrollers and processors.
Key features of the AT25256B-SSHL-T include low-power consumption, non-volatility, and robust data retention, making it suitable for applications requiring reliable long-term data storage such as in consumer electronics, automotive systems, and industrial equipment. It supports a wide voltage range and offers byte-level write capabilities, allowing for precise data manipulation.
Packaged in a Small Outline Integrated Circuit (SOIC) form factor, the AT25256B-SSHL-T is designed to be compact while maintaining performance efficiency. It is engineered to withstand various environmental conditions, further broadening its applicability in diverse sectors.
Key features of the AT25256B-SSHL-T include low-power consumption, non-volatility, and robust data retention, making it suitable for applications requiring reliable long-term data storage such as in consumer electronics, automotive systems, and industrial equipment. It supports a wide voltage range and offers byte-level write capabilities, allowing for precise data manipulation.
Packaged in a Small Outline Integrated Circuit (SOIC) form factor, the AT25256B-SSHL-T is designed to be compact while maintaining performance efficiency. It is engineered to withstand various environmental conditions, further broadening its applicability in diverse sectors.
Equivalent
The AT25256B-SSHL-T is a 256Kb SPI EEPROM chip from Microchip Technology. Equivalent products from other manufacturers include:
1. STMicroelectronics: M95M02-DR, a 256Kb SPI EEPROM.
2. ON Semiconductor: CAT25256, a 256Kb SPI EEPROM.
3. Cypress Semiconductor: CY15B104Q, a 256Kb SPI EEPROM.
4. ROHM Semiconductor: BR25H256, a 256Kb SPI EEPROM.
These alternatives offer similar functionality and interfaces, ensuring compatibility in most applications. Always verify the specific requirements before substituting components.
1. STMicroelectronics: M95M02-DR, a 256Kb SPI EEPROM.
2. ON Semiconductor: CAT25256, a 256Kb SPI EEPROM.
3. Cypress Semiconductor: CY15B104Q, a 256Kb SPI EEPROM.
4. ROHM Semiconductor: BR25H256, a 256Kb SPI EEPROM.
These alternatives offer similar functionality and interfaces, ensuring compatibility in most applications. Always verify the specific requirements before substituting components.
Features
The AT25256B-SSHL-T is a high-performance 256-Kbit Serial Electrically Erasable Programmable Read-Only Memory (EEPROM) that operates using the SPI (Serial Peripheral Interface) protocol. Here are its key features:
1. Memory Organization: It offers 32,768 x 8-bit memory architecture.
2. Serial Interface: Uses a 4-wire SPI interface for fast data transfer.
3. Speed: Supports clock frequencies up to 20 MHz for efficient data access.
4. Low Voltage Operation: Operates within a 1.8V to 5.5V voltage range, making it suitable for low-power applications.
5. Write Protection: Provides hardware and software data protection features, including block write protection and a write protection pin to prevent accidental data overwrites.
6. Endurance and Retention: Offers high endurance of up to 1 million write cycles per byte and data retention of up to 100 years.
7. Package Type: Available in an 8-lead SOIC (Small Outline Integrated Circuit) package.
These features make the AT25256B-SSHL-T suitable for a variety of applications requiring reliable non-volatile memory storage.
1. Memory Organization: It offers 32,768 x 8-bit memory architecture.
2. Serial Interface: Uses a 4-wire SPI interface for fast data transfer.
3. Speed: Supports clock frequencies up to 20 MHz for efficient data access.
4. Low Voltage Operation: Operates within a 1.8V to 5.5V voltage range, making it suitable for low-power applications.
5. Write Protection: Provides hardware and software data protection features, including block write protection and a write protection pin to prevent accidental data overwrites.
6. Endurance and Retention: Offers high endurance of up to 1 million write cycles per byte and data retention of up to 100 years.
7. Package Type: Available in an 8-lead SOIC (Small Outline Integrated Circuit) package.
These features make the AT25256B-SSHL-T suitable for a variety of applications requiring reliable non-volatile memory storage.
Pinout
The AT25256B-SSHL-T is a 256-Kbit serial EEPROM memory chip from Microchip Technology. It typically comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. The pin functions include:
1. CS (Chip Select) - Activates the device for communication.
2. SO (Serial Output) - Outputs data from the EEPROM during read operations.
3. WP (Write Protect) - Protects the memory from write operations when set.
4. GND - Ground reference for the power supply.
5. SI (Serial Input) - Inputs data to the EEPROM during write operations.
6. SCK (Serial Clock) - Synchronizes the communication between the device and the host.
7. HOLD - Pauses the serial communication without resetting the serial sequence.
8. VCC - Power supply pin.
These pins facilitate the communication and control necessary for reading from and writing to the memory chip via the SPI (Serial Peripheral Interface) protocol.
1. CS (Chip Select) - Activates the device for communication.
2. SO (Serial Output) - Outputs data from the EEPROM during read operations.
3. WP (Write Protect) - Protects the memory from write operations when set.
4. GND - Ground reference for the power supply.
5. SI (Serial Input) - Inputs data to the EEPROM during write operations.
6. SCK (Serial Clock) - Synchronizes the communication between the device and the host.
7. HOLD - Pauses the serial communication without resetting the serial sequence.
8. VCC - Power supply pin.
These pins facilitate the communication and control necessary for reading from and writing to the memory chip via the SPI (Serial Peripheral Interface) protocol.
Manufacturer
The AT25256B-SSHL-T is manufactured by Microchip Technology Inc. Microchip is a leading provider of microcontroller, mixed-signal, analog, and Flash-IP solutions. They offer a wide range of products for various applications in the electronics industry, including automotive, industrial, consumer, and aerospace sectors. The company is known for its reliable and high-performance products that facilitate innovative solutions for embedded control applications.
Application
The AT25256B-SSHL-T is a 256-kilobit serial EEPROM memory chip, commonly used in various applications. Its primary application areas include:
1. Consumer Electronics: Used for storing configuration data, user settings, and calibration information.
2. Automotive: Suitable for data storage in control modules and infotainment systems.
3. Industrial Automation: Utilized in programmable logic controllers (PLCs) and sensors for data logging and parameter storage.
4. Medical Devices: Employed for maintaining device configuration and patient data records.
5. Communications: Applied in network equipment for configuration storage and firmware updates.
6. Instrumentation: For storing measurement data and device settings.
Its reliability, low power consumption, and SPI compatibility make it versatile for embedded systems.
1. Consumer Electronics: Used for storing configuration data, user settings, and calibration information.
2. Automotive: Suitable for data storage in control modules and infotainment systems.
3. Industrial Automation: Utilized in programmable logic controllers (PLCs) and sensors for data logging and parameter storage.
4. Medical Devices: Employed for maintaining device configuration and patient data records.
5. Communications: Applied in network equipment for configuration storage and firmware updates.
6. Instrumentation: For storing measurement data and device settings.
Its reliability, low power consumption, and SPI compatibility make it versatile for embedded systems.
Package
The AT25256B-SSHL-T is a type of EEPROM memory chip from Microchip Technology. It comes in an 8-lead SOIC (Small Outline Integrated Circuit) package, which is suitable for surface-mount technology. This package type is designed for efficient space usage on printed circuit boards.
