사양
| 속성 | 가치 |
| Package / Case | Tube |
| Part Status | Not For New Designs |
| Memory Type | Non-Volatile |
| Memory Format | FLASH |
| Technology | FLASH |
| Memory Size | 32Mb (256 Bytes x 16384 pages) |
| Memory Interface | SPI |
| Clock Frequency | 100 MHz |
| Write Cycle Time - Word Page | 7µs, 3ms |
| Voltage - Supply | 2.7V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C (TC) |
| Mounting Type | Surface Mount |
개요
Description
The AT25DF321A-SH-B is a 32-megabit (4 megabytes) serial flash memory device manufactured by Adesto Technologies, a part of Dialog Semiconductor. It is designed for use in embedded systems and offers a serial peripheral interface (SPI) for easy integration with microcontrollers and other digital devices.
Key features include a wide operating voltage range from 2.3V to 3.6V, making it suitable for battery-operated devices. It supports a fast clock frequency of up to 85 MHz, allowing for high-speed data transfer. The device also incorporates advanced security features, including hardware and software protection, to prevent unauthorized data access.
The AT25DF321A-SH-B has a typical page size of 256 bytes and a sector size of 4KB, providing flexible memory management. It also includes a deep power-down mode for reduced power consumption when the device is not in active use. With its compact design, reliability, and efficiency, this flash memory is ideal for applications such as consumer electronics, industrial automation, and IoT devices.
Key features include a wide operating voltage range from 2.3V to 3.6V, making it suitable for battery-operated devices. It supports a fast clock frequency of up to 85 MHz, allowing for high-speed data transfer. The device also incorporates advanced security features, including hardware and software protection, to prevent unauthorized data access.
The AT25DF321A-SH-B has a typical page size of 256 bytes and a sector size of 4KB, providing flexible memory management. It also includes a deep power-down mode for reduced power consumption when the device is not in active use. With its compact design, reliability, and efficiency, this flash memory is ideal for applications such as consumer electronics, industrial automation, and IoT devices.
Equivalent
The AT25DF321A-SH-B is a 32 Mbit (4MB) SPI Flash memory chip. Equivalent products include:
1. Winbond W25Q32JV: A similar 32 Mbit SPI Flash memory chip.
2. MXIC MX25L3206E: Offers comparable specifications and functionality.
3. Cypress S25FL032P: Another 32 Mbit SPI Flash option.
4. ISSI IS25LP032: Provides similar storage and interface features.
These products generally offer similar storage capacity, interface, and performance characteristics suitable for a variety of applications.
1. Winbond W25Q32JV: A similar 32 Mbit SPI Flash memory chip.
2. MXIC MX25L3206E: Offers comparable specifications and functionality.
3. Cypress S25FL032P: Another 32 Mbit SPI Flash option.
4. ISSI IS25LP032: Provides similar storage and interface features.
These products generally offer similar storage capacity, interface, and performance characteristics suitable for a variety of applications.
Features
The AT25DF321A-SH-B is a 32-megabit (4MB) serial Flash memory device from Microchip Technology, designed for use in a range of electronic applications. Key features include:
1. Memory Capacity: 32Mb (4MB).
2. Interface: SPI (Serial Peripheral Interface) providing high-speed serial communication.
3. Operating Voltage: 2.7V to 3.6V, which makes it suitable for low-power applications.
4. Page Program: 256 bytes per page with fast programming capability.
5. Sector Erase: Efficient sector erase function, with 4KB, 32KB, and 64KB sector sizes.
6. Security: Features protection modes for securing data integrity, including block protection and application security features.
7. Performance: Supports high-speed operation with a maximum clock frequency of 85MHz.
8. Endurance: Offers high endurance of 100,000 program/erase cycles per sector.
9. Data Retention: 20 years of data retention, ensuring long-term reliability.
10. Temperature Range: Operates within an industrial temperature range of -40°C to 85°C.
This device is suitable for applications requiring reliable data storage with efficient power consumption and robust performance.
1. Memory Capacity: 32Mb (4MB).
2. Interface: SPI (Serial Peripheral Interface) providing high-speed serial communication.
3. Operating Voltage: 2.7V to 3.6V, which makes it suitable for low-power applications.
4. Page Program: 256 bytes per page with fast programming capability.
5. Sector Erase: Efficient sector erase function, with 4KB, 32KB, and 64KB sector sizes.
6. Security: Features protection modes for securing data integrity, including block protection and application security features.
7. Performance: Supports high-speed operation with a maximum clock frequency of 85MHz.
8. Endurance: Offers high endurance of 100,000 program/erase cycles per sector.
9. Data Retention: 20 years of data retention, ensuring long-term reliability.
10. Temperature Range: Operates within an industrial temperature range of -40°C to 85°C.
This device is suitable for applications requiring reliable data storage with efficient power consumption and robust performance.
Pinout
The AT25DF321A-SH-B is a serial-interface Flash memory device from Microchip Technology. It has an 8-pin configuration. Here's a brief overview of the pin functions:
1. CS (Chip Select): Activates the device.
2. SO (Serial Output): Outputs data from the device.
3. WP (Write Protect): Protects the status register.
4. VSS: Ground reference.
5. SI (Serial Input): Inputs data to the device.
6. SCK (Serial Clock): Clocks data in and out.
7. RESET: Resets the device.
8. VCC: Power supply.
This device operates as a memory storage with a capacity of 32 megabits and uses the SPI (Serial Peripheral Interface) protocol for communication. It's used in applications requiring a non-volatile memory solution with a small footprint.
1. CS (Chip Select): Activates the device.
2. SO (Serial Output): Outputs data from the device.
3. WP (Write Protect): Protects the status register.
4. VSS: Ground reference.
5. SI (Serial Input): Inputs data to the device.
6. SCK (Serial Clock): Clocks data in and out.
7. RESET: Resets the device.
8. VCC: Power supply.
This device operates as a memory storage with a capacity of 32 megabits and uses the SPI (Serial Peripheral Interface) protocol for communication. It's used in applications requiring a non-volatile memory solution with a small footprint.
Manufacturer
The AT25DF321A-SH-B is a serial flash memory device manufactured by Adesto Technologies. Adesto Technologies specializes in developing and selling non-volatile memory products, primarily aimed at the embedded systems market. The company provides a variety of memory solutions that include DataFlash, Fusion Flash, and EcoXiP, which are designed to address the performance, power, and cost requirements of a wide range of applications. Adesto's products are used in various sectors such as industrial, consumer electronics, medical devices, and communications.
Application
The AT25DF321A-SH-B is a 32-megabit serial flash memory that is commonly used in applications requiring non-volatile storage. Its primary application areas include:
1. Embedded Systems: Storing firmware and application code for microcontrollers and processors.
2. Consumer Electronics: Used in devices like TVs, set-top boxes, and gaming consoles for system updates and data storage.
3. Industrial Automation: Storing configurations and logging data in PLCs and other control systems.
4. Networking Equipment: Used in routers and switches for firmware storage.
5. Medical Devices: Storing operational software and patient data.
6. Automotive: Used for infotainment systems and advanced driver-assistance systems (ADAS).
Its compact size and low power consumption make it ideal for space-constrained and battery-powered applications.
1. Embedded Systems: Storing firmware and application code for microcontrollers and processors.
2. Consumer Electronics: Used in devices like TVs, set-top boxes, and gaming consoles for system updates and data storage.
3. Industrial Automation: Storing configurations and logging data in PLCs and other control systems.
4. Networking Equipment: Used in routers and switches for firmware storage.
5. Medical Devices: Storing operational software and patient data.
6. Automotive: Used for infotainment systems and advanced driver-assistance systems (ADAS).
Its compact size and low power consumption make it ideal for space-constrained and battery-powered applications.
Package
The AT25DF321A-SH-B is a 32-megabit serial flash memory device from Microchip Technology. It is available in an 8-lead SOIC (Small Outline Integrated Circuit) package. This package type is commonly used for surface mounting on printed circuit boards, offering a compact form factor suitable for space-constrained applications.
