사양
| 속성 | 가치 |
| Package / Case | Tube |
| Part Status | Active |
| Memory Type | Non-Volatile |
| Memory Format | EEPROM |
| Technology | EEPROM |
| Memory Size | 128Kb (16K 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 |
개요
Description
The AT25128B-SSHL-B is a member of the AT25128B series, which are electrically erasable programmable read-only memories (EEPROMs) typically used in a variety of electronic applications for data storage. This particular EEPROM model is designed and manufactured by Microchip Technology Inc. It features a storage capacity of 128 kilobits, or 16 kilobytes, and uses a Serial Peripheral Interface (SPI) for communication, making it suitable for applications requiring low pin count and simple connectivity.
The device operates with a wide voltage range, commonly from 1.7V to 5.5V, allowing it to be used in diverse systems. It has a flexible byte and page write capability, enabling both individual byte programming and larger data block writes, with a typical page size being 64 bytes. The AT25128B-SSHL-B is known for its high endurance of over 1,000,000 write cycles per cell and data retention of more than 100 years, making it highly reliable for long-term data storage. Its compact SOIC-8 (Small Outline Integrated Circuit) packaging facilitates easy integration into space-constrained designs.
The device operates with a wide voltage range, commonly from 1.7V to 5.5V, allowing it to be used in diverse systems. It has a flexible byte and page write capability, enabling both individual byte programming and larger data block writes, with a typical page size being 64 bytes. The AT25128B-SSHL-B is known for its high endurance of over 1,000,000 write cycles per cell and data retention of more than 100 years, making it highly reliable for long-term data storage. Its compact SOIC-8 (Small Outline Integrated Circuit) packaging facilitates easy integration into space-constrained designs.
Equivalent
The AT25128B-SSHL-B is a 128Kb SPI EEPROM from Microchip Technology. Equivalent products can include other 128Kb SPI EEPROMs like:
1. Microchip 25AA128/25LC128
2. STMicroelectronics M95128
3. ON Semiconductor CAT25128
4. ROHM BR25H010
Ensure compatibility by checking specifications such as voltage range, temperature range, and package type.
1. Microchip 25AA128/25LC128
2. STMicroelectronics M95128
3. ON Semiconductor CAT25128
4. ROHM BR25H010
Ensure compatibility by checking specifications such as voltage range, temperature range, and package type.
Features
The AT25128B-SSHL-B is a 128Kb (16KB) Serial Electrically Erasable Programmable Read-Only Memory (EEPROM) designed for high-reliability data storage applications. Key features include:
1. Interface: Utilizes an SPI (Serial Peripheral Interface) for efficient data communication, supporting SPI modes 0 and 3.
2. Organization: The memory is organized as 16,384 x 8 bits.
3. Speed: Offers a maximum clock frequency of 20 MHz, facilitating fast data transfer.
4. Voltage Range: Operates with a wide voltage range from 1.7V to 5.5V, making it versatile for various applications.
5. Write Protection: Features block write protection and a write protection pin for enhanced data security.
6. Endurance: Supports over 1,000,000 write cycles per byte.
7. Data Retention: Guarantees data retention for over 100 years.
8. Operating Temperature: Suitable for industrial temperature ranges, typically from -40°C to +85°C.
9. Package: Available in an 8-lead SOIC (Small Outline Integrated Circuit) package.
These features make it suitable for applications requiring reliable non-volatile memory, such as consumer electronics, automotive, and industrial systems.
1. Interface: Utilizes an SPI (Serial Peripheral Interface) for efficient data communication, supporting SPI modes 0 and 3.
2. Organization: The memory is organized as 16,384 x 8 bits.
3. Speed: Offers a maximum clock frequency of 20 MHz, facilitating fast data transfer.
4. Voltage Range: Operates with a wide voltage range from 1.7V to 5.5V, making it versatile for various applications.
5. Write Protection: Features block write protection and a write protection pin for enhanced data security.
6. Endurance: Supports over 1,000,000 write cycles per byte.
7. Data Retention: Guarantees data retention for over 100 years.
8. Operating Temperature: Suitable for industrial temperature ranges, typically from -40°C to +85°C.
9. Package: Available in an 8-lead SOIC (Small Outline Integrated Circuit) package.
These features make it suitable for applications requiring reliable non-volatile memory, such as consumer electronics, automotive, and industrial systems.
Pinout
The AT25128B-SSHL-B is a serial EEPROM from Microchip Technology. It follows the SPI (Serial Peripheral Interface) protocol for communication. This chip is offered in an 8-pin SOIC package. Below is a concise description of the pin configuration and functions:
1. CS (Chip Select): Activates the device when set to low.
2. SO (Serial Output): Outputs data from the EEPROM during a read operation.
3. WP (Write Protect): Protects the memory from being written if set to a high state.
4. VSS: Ground connection for the device.
5. SI (Serial Input): Accepts input data and instructions.
6. SCK (Serial Clock): Provides the clock pulse for data synchronization.
7. HOLD: Pauses any serial communication without deselecting the device.
8. VCC: Provides the power supply to the device.
This EEPROM offers 128 Kbits of storage, organized in 16,384 bytes, and it is commonly used for non-volatile storage applications.
1. CS (Chip Select): Activates the device when set to low.
2. SO (Serial Output): Outputs data from the EEPROM during a read operation.
3. WP (Write Protect): Protects the memory from being written if set to a high state.
4. VSS: Ground connection for the device.
5. SI (Serial Input): Accepts input data and instructions.
6. SCK (Serial Clock): Provides the clock pulse for data synchronization.
7. HOLD: Pauses any serial communication without deselecting the device.
8. VCC: Provides the power supply to the device.
This EEPROM offers 128 Kbits of storage, organized in 16,384 bytes, and it is commonly used for non-volatile storage applications.
Manufacturer
The AT25128B-SSHL-B is manufactured by Microchip Technology Inc. Microchip Technology is a leading American semiconductor company that designs and manufactures microcontrollers, mixed-signal, analog, and Flash-IP integrated circuits. They serve a variety of sectors, including automotive, industrial, consumer electronics, and communications. The company is known for providing comprehensive solutions through its extensive portfolio of products and is highly regarded for its reliable and high-performance offerings in the semiconductor industry.
Application
The AT25128B-SSHL-B is a 128Kb serial EEPROM memory chip with SPI interface, commonly used in applications requiring reliable non-volatile storage. Key application areas include:
1. Consumer Electronics: Firmware storage for devices such as TVs, gaming consoles, and wearables.
2. Automotive Systems: Data logging, configuration storage, and calibration in ECUs.
3. Industrial Equipment: Parameter storage in PLCs and industrial sensors.
4. Medical Devices: Storing critical data in portable diagnostic equipment.
5. Networking Products: Configuration and log storage in routers and switches.
6. Telecommunications: Data storage for mobile phones and communication devices.
Its reliable performance, low power consumption, and high endurance make it suitable for a wide range of applications.
1. Consumer Electronics: Firmware storage for devices such as TVs, gaming consoles, and wearables.
2. Automotive Systems: Data logging, configuration storage, and calibration in ECUs.
3. Industrial Equipment: Parameter storage in PLCs and industrial sensors.
4. Medical Devices: Storing critical data in portable diagnostic equipment.
5. Networking Products: Configuration and log storage in routers and switches.
6. Telecommunications: Data storage for mobile phones and communication devices.
Its reliable performance, low power consumption, and high endurance make it suitable for a wide range of applications.
Package
The AT25128B-SSHL-B is a serial EEPROM from Microchip Technology. The package type for this component is 8-lead SOIC (Small Outline Integrated Circuit), which is a surface-mount package commonly used for integrated circuits.
