Overview
The AT45DB161D-SU-2.5 is a 16-Mbit serial-interface Flash memory device produced by Adesto Technologies. This device is part of the DataFlash family and is designed for high-speed sequential access, making it ideal for various digital voice, image, program code, and data storage applications. The AT45DB161D operates from a single power supply of 2.5V to 3.6V, supporting both program and read operations within this voltage range.
Key Specifications
| Parameter | Value |
|---|---|
| Memory Capacity | 16 Mbits (4,096 pages of 512/528 bytes each) |
| Operating Voltage | 2.5V to 3.6V |
| Interface | RapidS Serial Interface, SPI Compatible (Modes 0 and 3), up to 66 MHz |
| Page Size | 512 bytes or 528 bytes per page |
| Erase Options | Page Erase (512 bytes), Block Erase (4 Kbytes), Sector Erase (128 Kbytes), Chip Erase (16 Mbits) |
| SRAM Data Buffers | Two SRAM buffers of 512/528 bytes each |
| Power Consumption | 7 mA Active Read Current, 25 µA Standby Current, 9 µA Deep Power Down |
| Data Retention | 20 years |
| Temperature Range | Industrial Temperature Range (-40°C to +85°C) |
| Program/Erase Cycles | 100,000 cycles per page minimum |
Key Features
- Single Power Supply: Operates from a single power supply of 2.5V to 3.6V for both program and read operations.
- RapidS Serial Interface: Supports SPI compatible modes 0 and 3 with a maximum clock frequency of 66 MHz.
- User Configurable Page Size: Pages can be configured as 512 bytes or 528 bytes.
- Flexible Erase Options: Includes page, block, sector, and chip erase capabilities.
- SRAM Data Buffers: Two SRAM buffers allow for receiving data while reprogramming the Flash array.
- Continuous Read Capability: Ideal for code shadowing applications.
- Low Power Dissipation: Low active read current, standby current, and deep power down current.
- Hardware and Software Data Protection: Includes individual sector lockdown for secure code and data storage.
- Security Features: 128-byte security register, 64-byte user programmable space, and a unique 64-byte device identifier.
Applications
The AT45DB161D-SU-2.5 is suited for a wide variety of applications, including:
- Digital voice storage
- Image storage
- Program code storage
- Data storage in commercial and industrial environments
- Code shadowing applications
Q & A
- What is the operating voltage range of the AT45DB161D-SU-2.5?
The operating voltage range is 2.5V to 3.6V.
- What is the maximum clock frequency of the RapidS serial interface?
The maximum clock frequency is 66 MHz.
- How many pages and what is the page size of the AT45DB161D-SU-2.5?
The device has 4,096 pages, each configurable as 512 bytes or 528 bytes.
- What are the erase options available on the AT45DB161D-SU-2.5?
The device supports page erase, block erase, sector erase, and chip erase.
- What is the typical active read current and standby current of the AT45DB161D-SU-2.5?
The typical active read current is 7 mA, and the standby current is 25 µA.
- How many program/erase cycles can the AT45DB161D-SU-2.5 endure per page?
The device can endure a minimum of 100,000 program/erase cycles per page.
- What is the data retention period of the AT45DB161D-SU-2.5?
The data retention period is 20 years.
- What is the temperature range for the AT45DB161D-SU-2.5?
The device operates within the industrial temperature range of -40°C to +85°C.
- Does the AT45DB161D-SU-2.5 support hardware and software data protection?
Yes, it includes individual sector lockdown for secure code and data storage.
- Is the AT45DB161D-SU-2.5 RoHS compliant?
Yes, the device is RoHS compliant and comes in green (Pb/Halide-free) packaging options.
