사양
| 속성 | 가치 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Memory Type | Non-Volatile |
| Memory Format | EEPROM |
| Technology | EEPROM |
| Memory Size | 64Kb (8K 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 AT25640B-SSHL-T is a serial EEPROM (Electrically Erasable Programmable Read-Only Memory) chip produced by Microchip Technology. It is part of the Atmel AT25xxx series, designed for efficient and reliable data storage. The device offers 64Kb (8KB) of memory organized in 8,192 words of 8 bits each, and it communicates via a SPI (Serial Peripheral Interface) bus with data transfer rates up to 10 MHz.
Key features of the AT25640B-SSHL-T include low power consumption, high endurance with a write cycle endurance of 1 million cycles, and data retention of up to 100 years. It operates over a voltage range of 1.8V to 5.5V and supports sequential and random read operations. The chip also provides hardware and software write protection mechanisms to prevent inadvertent data corruption.
This EEPROM is commonly used in applications requiring non-volatile storage, such as configuration data, calibration constants, or other data that must be retained when power is removed. Its small form factor and versatility make it suitable for various electronics, including consumer, automotive, and industrial devices.
Key features of the AT25640B-SSHL-T include low power consumption, high endurance with a write cycle endurance of 1 million cycles, and data retention of up to 100 years. It operates over a voltage range of 1.8V to 5.5V and supports sequential and random read operations. The chip also provides hardware and software write protection mechanisms to prevent inadvertent data corruption.
This EEPROM is commonly used in applications requiring non-volatile storage, such as configuration data, calibration constants, or other data that must be retained when power is removed. Its small form factor and versatility make it suitable for various electronics, including consumer, automotive, and industrial devices.
Equivalent
The AT25640B-SSHL-T is a 64Kb SPI EEPROM from Microchip Technology. Equivalent products from other manufacturers include:
1. STMicroelectronics M95640-R - A 64Kb SPI EEPROM with similar specifications.
2. ON Semiconductor CAT25640 - Another 64Kb SPI EEPROM offering comparable features.
3. Cypress (Infineon) FM25640B - Features similar memory capacity and SPI interface.
Ensure compatibility by checking detailed datasheets for specific electrical and performance requirements.
1. STMicroelectronics M95640-R - A 64Kb SPI EEPROM with similar specifications.
2. ON Semiconductor CAT25640 - Another 64Kb SPI EEPROM offering comparable features.
3. Cypress (Infineon) FM25640B - Features similar memory capacity and SPI interface.
Ensure compatibility by checking detailed datasheets for specific electrical and performance requirements.
Features
The AT25640B-SSHL-T is a 64-kilobit (8KB) EEPROM (Electrically Erasable Programmable Read-Only Memory) designed for non-volatile storage applications. Key features include:
1. Interface: Utilizes a SPI (Serial Peripheral Interface) for communication, supporting speeds up to 10 MHz.
2. Memory Organization: Arranged in 8192 x 8-bit memory array.
3. Voltage Range: Operates within a wide voltage range of 1.8V to 5.5V, making it versatile for various applications.
4. Low Power Consumption: Features low power standby and active modes to conserve energy.
5. Write Protection: Includes hardware and software write protection mechanisms to prevent accidental data loss.
6. Endurance and Retention: Offers high endurance with up to 1,000,000 write cycles and data retention of up to 100 years.
7. Temperature Range: Functions effectively in an industrial temperature range from -40°C to +85°C.
8. Package: Available in an 8-lead SOIC (Small Outline Integrated Circuit) package, making it compact and suitable for space-constrained applications.
These features make the AT25640B-SSHL-T suitable for applications requiring reliable data storage and retrieval.
1. Interface: Utilizes a SPI (Serial Peripheral Interface) for communication, supporting speeds up to 10 MHz.
2. Memory Organization: Arranged in 8192 x 8-bit memory array.
3. Voltage Range: Operates within a wide voltage range of 1.8V to 5.5V, making it versatile for various applications.
4. Low Power Consumption: Features low power standby and active modes to conserve energy.
5. Write Protection: Includes hardware and software write protection mechanisms to prevent accidental data loss.
6. Endurance and Retention: Offers high endurance with up to 1,000,000 write cycles and data retention of up to 100 years.
7. Temperature Range: Functions effectively in an industrial temperature range from -40°C to +85°C.
8. Package: Available in an 8-lead SOIC (Small Outline Integrated Circuit) package, making it compact and suitable for space-constrained applications.
These features make the AT25640B-SSHL-T suitable for applications requiring reliable data storage and retrieval.
Pinout
The AT25640B-SSHL-T is a 64Kb (8KB) serial EEPROM memory chip from the AT25640B series, manufactured by Microchip Technology. It features an 8-pin configuration. Here’s a brief overview of its pin functions:
1. CS (Chip Select): Activates the device. It must be low for the device to be selected and active.
2. SO (Serial Data Out): Used to transfer data from the memory to the microcontroller.
3. WP (Write Protect): Provides hardware data protection by disabling write operations to the status register.
4. GND: Ground pin.
5. SI (Serial Data In): Used to transfer data from the microcontroller to the memory.
6. SCK (Serial Clock): Synchronizes the communication between the microcontroller and the EEPROM.
7. HOLD: Allows the device to be paused during operation without resetting the serial communication.
8. VCC: Power supply pin.
This EEPROM chip operates using a SPI interface and is commonly used for data storage applications requiring non-volatile memory.
1. CS (Chip Select): Activates the device. It must be low for the device to be selected and active.
2. SO (Serial Data Out): Used to transfer data from the memory to the microcontroller.
3. WP (Write Protect): Provides hardware data protection by disabling write operations to the status register.
4. GND: Ground pin.
5. SI (Serial Data In): Used to transfer data from the microcontroller to the memory.
6. SCK (Serial Clock): Synchronizes the communication between the microcontroller and the EEPROM.
7. HOLD: Allows the device to be paused during operation without resetting the serial communication.
8. VCC: Power supply pin.
This EEPROM chip operates using a SPI interface and is commonly used for data storage applications requiring non-volatile memory.
Manufacturer
The AT25640B-SSHL-T is manufactured by Microchip Technology Inc. Microchip is a leading American semiconductor company that designs and produces microcontrollers, mixed-signal, analog, and Flash-IP integrated circuits. They serve a broad range of industries, including automotive, aerospace, industrial, and consumer electronics. Known for providing reliable and innovative solutions, Microchip focuses on offering products that enable designers to create efficient and cost-effective electronic applications.
Application
The AT25640B-SSHL-T is a serial EEPROM (Electrically Erasable Programmable Read-Only Memory) used for data storage applications. Its application areas include consumer electronics for storing configuration settings, industrial electronics for firmware storage, automotive systems for data logging, and communication devices for storing network configurations. Additionally, it finds use in medical equipment for patient data management, in IoT devices for sensor data storage, and in embedded systems for boot code and calibration data. The device's small size and low power consumption make it suitable for battery-powered and portable applications.
Package
The AT25640B-SSHL-T is a serial EEPROM from Microchip Technology. The package type is SOIC (Small Outline Integrated Circuit), specifically an 8-lead SOIC. The "SS" in the part number indicates the SOIC package, and it usually comes in a standard size. This package is suitable for surface mounting on PCBs.
