Overview
The AT45DB041E-SHN-T is a 4Mbit SPI Serial Flash memory device manufactured by Adesto Technologies. This device is part of the DataFlash family, designed to enhance system performance with its advanced dual SRAM buffer architecture. It is optimized for data logging applications, offering significant improvements in system power efficiency, reduced processor overhead, and simplified software development. The device also includes comprehensive data security and integrity features to protect against external tampering.
Key Specifications
| Specification | Value |
|---|---|
| Memory Type | SPI Serial Flash |
| Memory Density | 4 Mbit (264 bytes x 2048 pages) |
| Package | 8-SOIC (0.209, 5.30mm Width) |
| Number of Pins | 8 |
| Supply Voltage | 1.65 V to 3.6 V |
| Maximum Clock Frequency | 85 MHz |
| Access Time | 7 ns |
| Ultra-Deep Power Down Current | >400 nA |
| Terminal Pitch | 1.27 mm |
| Peak Reflow Temperature | 260°C |
Key Features
- Controllable R/W SRAM buffer for maximum flexibility
- Standard block architecture with 256-byte page erase for energy-efficient data logging
- Byte-write capability provides Serial EEPROM functionality in a Serial NOR Flash device
- Ultra-deep power down mode operates at >400 nA
- Extended Vcc operation allows the system memory to operate over the entire voltage range
- Comprehensive security and unique ID features to protect the device from outside tampering
Applications
The AT45DB041E-SHN-T is ideal for various applications requiring efficient data logging and storage, such as:
- Industrial automation and control systems
- Medical devices and healthcare equipment
- Aerospace and defense systems
- Automotive systems, including infotainment and navigation
- Consumer electronics, such as set-top boxes and gaming consoles
Q & A
- What is the memory density of the AT45DB041E-SHN-T?
The AT45DB041E-SHN-T has a memory density of 4 Mbit (264 bytes x 2048 pages).
- What is the supply voltage range for this device?
The supply voltage range for the AT45DB041E-SHN-T is 1.65 V to 3.6 V.
- What is the maximum clock frequency of the AT45DB041E-SHN-T?
The maximum clock frequency is 85 MHz.
- What is the package type of the AT45DB041E-SHN-T?
The device is packaged in an 8-SOIC (0.209, 5.30mm Width).
- Does the AT45DB041E-SHN-T support ultra-deep power down mode?
Yes, it operates at >400 nA in ultra-deep power down mode.
- What are the key security features of the AT45DB041E-SHN-T?
The device includes comprehensive security and unique ID features to protect against external tampering.
- What is the access time of the AT45DB041E-SHN-T?
The access time is 7 ns.
- Is the AT45DB041E-SHN-T suitable for data logging applications?
Yes, it is optimized for data logging with its advanced dual SRAM buffer architecture and energy-efficient page erase capabilities.
- What is the terminal pitch of the AT45DB041E-SHN-T?
The terminal pitch is 1.27 mm.
- What is the peak reflow temperature for the AT45DB041E-SHN-T?
The peak reflow temperature is 260°C.
