Manufacturer Part Number
AT45DB021D-SH-B
Manufacturer
Renesas Electronics America
Introduction
Non-Volatile FLASH memory suitable for a wide range of applications requiring solid-state data storage.
Product Features and Performance
2Mbit memory capacity
Organized as 264 bytes x 1024 pages
Serial Peripheral Interface (SPI) for efficient communication
Fast clock frequency support up to 66 MHz
Page write cycle time of just 4 milliseconds
Product Advantages
Non-volatile storage preserves data without power
Rapid write capability enhances performance
Robust operating temperature range from -40°C to 85°C
Key Technical Parameters
Memory Size: 2Mbit
Memory Organization: 264 Bytes x 1024 pages
Memory Interface: SPI
Clock Frequency: 66 MHz
Write Cycle Time - Word, Page: 4ms
Voltage - Supply: 2.7V ~ 3.6V
Operating Temperature: -40°C ~ 85°C (TC)
Quality and Safety Features
Designed to endure industrial temperature ranges
Constructed for reliable data retention in harsh conditions
Compatibility
SPI communication protocol for broad microcontroller interface capability
SOIC-8 package widely accepted in electronic circuit designs
Application Areas
Suited for embedded systems
Ideal for consumer electronics, industrial control, and IoT devices
Product Lifecycle
Obsolete status indicates the product may no longer be produced or supported
Potential availability of replacement models or upgrades
Reasons to Choose This Product
Legacy support for existing designs incorporating AT45DB series FLASH memory
High-speed memory interface for performance-critical applications
Durable design with a wide operating temperature range
2Mbit storage capacity fulfilling a range of data storage needs
Easy to integrate with many microcontrollers via SPI