Overview
The AT45DB041D-SU, manufactured by Adesto Technologies, is a 2.5V or 2.7V serial-interface Flash memory. This device is ideally suited for a wide variety of digital voice, image, program code, and data-storage applications. It supports the RapidS serial interface, which is SPI compatible and operates at frequencies up to 66 MHz. The AT45DB041D-SU is optimized for use in commercial and industrial applications where high-density, low-pin count, low-voltage, and low-power are essential.
Key Specifications
| Parameter | Value |
|---|---|
| Memory Capacity | 4 megabits (4,325,376 bits) |
| Page Size | 256 bytes or 264 bytes per page |
| Number of Pages | 2,048 pages |
| Operating Voltage | 2.5V to 3.6V or 2.7V to 3.6V |
| Serial Interface | RapidS, SPI compatible up to 66 MHz |
| SRAM Buffers | Two SRAM buffers of 256/264 bytes each |
| Program/Erase Cycles | 100,000 cycles per page minimum |
| Data Retention | 20 years |
| Temperature Range | Industrial temperature range: -40°C to +85°C |
| Package Options | 8-pad MLF VDFN, 8-lead wide SOIC |
| Compliance | Green (Pb/Halide-free/RoHS Compliant) |
Key Features
- Supports RapidS serial interface for high-speed operations up to 66 MHz.
- Two SRAM buffers allow for receiving data while a page in the main memory is being reprogrammed.
- Flexible erase options: page erase (256 bytes), block erase (2 Kbytes), sector erase (64 Kbytes), and chip erase (4 Mbits).
- Continuous read capability through the entire array, ideal for code shadowing applications.
- Low-power dissipation: 7 mA active read current, 25 µA standby current, and 5 µA deep power-down current.
- Hardware and software data protection features, including individual sector lockdown and a 128-byte security register.
Applications
The AT45DB041D-SU is suitable for a variety of applications, including:
- Digital voice and image storage.
- Program code and data storage.
- Commercial and industrial applications requiring high-density, low-pin count, low-voltage, and low-power memory solutions.
- Code shadowing applications due to its continuous read capability.
Q & A
- What is the memory capacity of the AT45DB041D-SU? The memory capacity is 4 megabits (4,325,376 bits).
- What are the operating voltage ranges for the AT45DB041D-SU? 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.
- How many SRAM buffers does the AT45DB041D-SU have? It has two SRAM buffers of 256/264 bytes each.
- What is the minimum number of program/erase cycles per page? The minimum number of program/erase cycles per page is 100,000.
- What is the data retention period of the AT45DB041D-SU? The data retention period is 20 years.
- What are the package options available for the AT45DB041D-SU? The package options include 8-pad MLF VDFN and 8-lead wide SOIC.
- Is the AT45DB041D-SU RoHS compliant? Yes, it is Pb/Halide-free and RoHS compliant.
- What are the key features of the RapidS serial interface? The RapidS serial interface supports SPI compatible modes 0 and 3, and it allows for high-speed operations up to 66 MHz.
- What are some typical applications of the AT45DB041D-SU? Typical applications include digital voice and image storage, program code and data storage, and commercial/industrial applications requiring high-density memory solutions.
