Specifications
| Attribute | Value |
| Package | Tray |
| ProductStatus | Obsolete |
| MemoryType | Non-Volatile |
| MemoryFormat | FLASH |
| Technology | FLASH |
| MemorySize | 64Mb (1056 Bytes x 8192 pages) |
| MemoryInterface | SPI |
| ClockFrequency | 66 MHz |
| WriteCycleTime-WordPage | 6ms |
| Voltage-Supply | 2.7V ~ 3.6V |
| OperatingTemperature | -40°C ~ 85°C (TC) |
| MountingType | Surface Mount |
| Package/Case | 8-VDFN |
Overview
Description
The AT45DB642D-CNU is a high-density, 64-megabit (8 megabytes) DataFlash memory device from Adesto Technologies, designed for applications requiring high-speed and reliable data storage. It features a 2.5V to 3.6V power supply range and is organized in a page and block architecture, allowing efficient data management and access.
Key features include:
1. Fast Read/Write Operations: Supports reading speeds up to 66 MHz and page-write operations, enabling quick data access and storage.
2. Page and Block Erase: Data is managed using 512-byte pages, with block erase functions enhancing data management flexibility.
3. Advanced Security: Includes hardware and software data protection features to prevent accidental data corruption.
4. Low-Power Consumption: Offers deep power-down mode to minimize power usage, making it ideal for battery-operated devices.
5. Compatibility: Uses a standard SPI interface for easy integration with various microcontrollers and systems.
Typical applications for the AT45DB642D-CNU include digital cameras, industrial automation, and any system requiring robust non-volatile memory.
Key features include:
1. Fast Read/Write Operations: Supports reading speeds up to 66 MHz and page-write operations, enabling quick data access and storage.
2. Page and Block Erase: Data is managed using 512-byte pages, with block erase functions enhancing data management flexibility.
3. Advanced Security: Includes hardware and software data protection features to prevent accidental data corruption.
4. Low-Power Consumption: Offers deep power-down mode to minimize power usage, making it ideal for battery-operated devices.
5. Compatibility: Uses a standard SPI interface for easy integration with various microcontrollers and systems.
Typical applications for the AT45DB642D-CNU include digital cameras, industrial automation, and any system requiring robust non-volatile memory.
Equivalent
The AT45DB642D-CNU is a 64Mbit DataFlash memory chip. Equivalent products include:
1. Winbond W25Q64 - A 64Mbit Serial NOR Flash memory.
2. Micron M25P64 - A 64Mbit Serial NOR Flash memory device.
3. Cypress (Infineon) S25FL064L - A 64Mbit Serial NOR Flash.
Ensure compatibility in terms of package, interface, and other specifications when considering replacements.
1. Winbond W25Q64 - A 64Mbit Serial NOR Flash memory.
2. Micron M25P64 - A 64Mbit Serial NOR Flash memory device.
3. Cypress (Infineon) S25FL064L - A 64Mbit Serial NOR Flash.
Ensure compatibility in terms of package, interface, and other specifications when considering replacements.
Features
The AT45DB642D-CNU is a high-performance, 64-megabit DataFlash memory chip designed for a range of digital storage applications. Key features include:
1. Memory Architecture: Organized as 8,192 pages of 1,024 bytes each, with flexible erase options (page, block, sector, or entire chip).
2. Interface: Utilizes a Serial Peripheral Interface (SPI), supporting high-speed data transfer.
3. Dual-Voltage Operation: Operates at 2.5V to 3.6V for read/write operations, with a separate 2.7V to 3.6V supply for erase and program functions.
4. Performance: Offers fast page and block erase times, with data retention of up to 20 years and endurance of 100,000 write/erase cycles.
5. Security: Features include a user-programmable sector protection and a unique 64-bit device ID.
6. Package: Available in a compact 8-lead SOIC package.
The device is suitable for applications requiring reliable, non-volatile memory with efficient data management capabilities.
1. Memory Architecture: Organized as 8,192 pages of 1,024 bytes each, with flexible erase options (page, block, sector, or entire chip).
2. Interface: Utilizes a Serial Peripheral Interface (SPI), supporting high-speed data transfer.
3. Dual-Voltage Operation: Operates at 2.5V to 3.6V for read/write operations, with a separate 2.7V to 3.6V supply for erase and program functions.
4. Performance: Offers fast page and block erase times, with data retention of up to 20 years and endurance of 100,000 write/erase cycles.
5. Security: Features include a user-programmable sector protection and a unique 64-bit device ID.
6. Package: Available in a compact 8-lead SOIC package.
The device is suitable for applications requiring reliable, non-volatile memory with efficient data management capabilities.
Pinout
The AT45DB642D-CNU is a serial DataFlash memory from Microchip Technology, offering 64 Mbit (8 MByte) of storage. This chip is organized into 8,192 pages of 1,024 bytes each.
The AT45DB642D-CNU comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here's a brief overview of the pin functions:
1. CS (Chip Select): Activates the device and enables communication.
2. SCK (Serial Clock): Provides the clock signal for the serial interface.
3. SI (Serial Input): Used to input serial data into the device.
4. SO (Serial Output): Used to output serial data from the device.
5. WP (Write Protect): Used to protect certain sections of memory from being written to.
6. RESET: Resets the device and puts it in a known state.
7. VCC: Supplies power to the device.
8. GND: Ground reference for the device.
These pins support SPI (Serial Peripheral Interface) communication, allowing interfacing with microcontrollers for data storage applications.
The AT45DB642D-CNU comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here's a brief overview of the pin functions:
1. CS (Chip Select): Activates the device and enables communication.
2. SCK (Serial Clock): Provides the clock signal for the serial interface.
3. SI (Serial Input): Used to input serial data into the device.
4. SO (Serial Output): Used to output serial data from the device.
5. WP (Write Protect): Used to protect certain sections of memory from being written to.
6. RESET: Resets the device and puts it in a known state.
7. VCC: Supplies power to the device.
8. GND: Ground reference for the device.
These pins support SPI (Serial Peripheral Interface) communication, allowing interfacing with microcontrollers for data storage applications.
Manufacturer
The AT45DB642D-CNU is manufactured by Adesto Technologies. Adesto Technologies is a company that specializes in developing and selling innovative semiconductor and embedded systems solutions. They focus primarily on non-volatile memory products, which are used in a wide range of applications, including industrial, consumer, communications, and medical devices. Adesto's products are typically used for data storage, code storage, and data logging functions, among others. As of 2020, Adesto Technologies was acquired by Dialog Semiconductor, which has since become part of Renesas Electronics, a major player in the semiconductor industry.
Application
The AT45DB642D-CNU is a data storage solution commonly used in applications requiring non-volatile memory, such as embedded systems, consumer electronics, and industrial automation. It is suitable for use in firmware storage, data logging, and boot code storage due to its reliability and performance. Additionally, it finds applications in automotive systems, telecommunications, and medical devices where robust data retention and endurance are crucial. Its compatibility with microcontrollers and ability to operate under various environmental conditions make it versatile for many electronics projects and products.
Package
The AT45DB642D-CNU is a 64-megabit DataFlash memory device from Microchip Technology, packaged in a 32-lead 8x8 mm VFBGA (Very Fine Pitch Ball Grid Array). This package type is compact, suitable for space-constrained applications, and allows for efficient heat dissipation and signal routing.
