Overview
The AT45DB041D-SU-SL383 is a 4-megabit serial-interface Flash memory device produced by Adesto Technologies. It is ideally suited for a wide variety of digital applications, including voice, image, program code, and data storage. The device operates on a single power supply of 2.5V to 3.6V or 2.7V to 3.6V, making it versatile for various low-power and low-voltage requirements.
Key Specifications
| Parameter | Value |
|---|---|
| Memory Type | Serial NOR Flash |
| Memory Size | 4 Mbits (2048 pages x 256 bytes/page or 264 bytes/page) |
| Supply Voltage | 2.5V to 3.6V or 2.7V to 3.6V |
| Clock Frequency | Up to 66 MHz |
| Interface | RapidS Serial Interface, SPI Compatible (Modes 0 and 3) |
| Package | 8-pin SOIC |
| Active Read Current | Typical 7 mA |
| Standby Current | Typical 25 µA |
| Deep Power-down Current | Typical 5 µA |
| Program/Erase Cycles | Minimum 100,000 cycles per page |
| Data Retention | 20 years |
| Temperature Range | Industrial temperature range |
| RoHS Compliance | Yes |
Key Features
- User configurable page size (256 bytes or 264 bytes per page)
- Flexible erase options: page erase (256 bytes), block erase (2 Kbytes), sector erase (64 Kbytes), and chip erase (4 Mbits)
- Two SRAM data buffers (256/264 bytes each) for receiving data while reprogramming the Flash array
- Continuous read capability through the entire array, ideal for code shadowing applications
- Hardware and software data protection features, including individual sector lockdown and a 128-byte security register
- JEDEC standard manufacturer and device ID read
- Low-power dissipation and deep power-down mode
- Green (Pb/Halide-free/RoHS compliant) packaging options
Applications
The AT45DB041D-SU-SL383 is optimized for use in various commercial and industrial applications where high-density, low-pin count, low-voltage, and low-power are essential. These include:
- Digital voice and image storage
- Program code storage
- Data storage in embedded systems
- Code shadowing applications
- Secure code and data storage due to its sector lockdown and security features
Q & A
- What is the memory size of the AT45DB041D-SU-SL383?
The memory size is 4 Mbits, organized as 2048 pages of 256 bytes or 264 bytes each.
- What are the operating voltage ranges for this device?
The device operates from a single power supply of 2.5V to 3.6V or 2.7V to 3.6V.
- What is the maximum clock frequency of the RapidS serial interface?
The maximum clock frequency is 66 MHz.
- What are the key features of the SRAM data buffers in this device?
The two SRAM data buffers (256/264 bytes each) allow receiving data while a page in the main memory is being reprogrammed and support continuous data stream writing.
- How does the device protect data?
The device features hardware and software data protection, including individual sector lockdown and a 128-byte security register.
- What is the typical active read current of the device?
The typical active read current is 7 mA.
- What is the data retention period of the AT45DB041D-SU-SL383?
The data retention period is 20 years.
- Is the AT45DB041D-SU-SL383 RoHS compliant?
Yes, the device is RoHS compliant.
- What are the erase options available for this device?
The device supports page erase (256 bytes), block erase (2 Kbytes), sector erase (64 Kbytes), and chip erase (4 Mbits).
- What is the typical standby current of the device?
The typical standby current is 25 µA.
