Features
- Dual I/O and Quad I/O support
- Includes controllable Dual R/W SRAM buffers for maximum flexibility
- Standard block architecture with added 256-byte page erase for energy efficient Data Logging
- Byte-write provides Serial EEPROM functionality in a Serial NOR Flash device
- Ultra-deep power down
- Comprehensive security and unique ID features protect the device from outside tampering
Description
The AT45DQ321 DataFlash is a member of our System Enhancing class of code and data storage solutions designed with an advanced dual SRAM buffer architecture that makes it the most efficient memory for data logging. It also incorporates a suite of advanced features that save system power, reduce processor overhead, simplify software development, and provide comprehensive data security and integrity options.
Parameters
| Attributes | Value |
|---|---|
| Memory Class | DataFlash |
| Memory Density | 32 |
| Operating Voltage Range (V) | 2.3 - 3.6 |
| Speed | 104 MHz |
| Interface | Single, Dual, Quad SPI |
| Temp. Range (°C) | -40 to +85°C, -40 to +105°C |
| Deep Power Down (µA) | 0.5 |
| Read Current (mA) | 6 |
| Key Benefit | Includes controllable SRAM |
Package Options
| Pkg. Type | Pkg. Dimensions (mm) | Pitch (mm) |
|---|---|---|
| DFN | 5 x 6 | 1.27 |
| DFN | 6 x 8 | 0.5 |
| SOIC 208MIL 8S2 8 | — | — |
| SOIC-W | 5.18 x 7.70 | 1.27 |
Application Block Diagrams
 | Human Machine Interface (HMI) for Appliances Customizable HMI system for smart appliances with display, touch, voice, and NFC options. |