Description

The AT45DB321C is an SPI compatible, serial-interface Flash memory ideally suited for a wide variety of digital voice-, image-, program code- and data storage applications. The AT45DB321C supports a 4-wire serial interface known as RapidS for applications requiring very high speed operations.

Features

• Single 2.7 - 3.6V Supply

• RapidS™ Serial Interface: 40 MHz Maximum Clock Frequency (SPI Modes 0 and 3 Compatible for Frequencies Up to 33 MHz)

• Page Program

– 8192 Pages (528 Bytes/Page)

• Automated Erase Operations

– Page Erase 528 Bytes

– Block Erase 4,224 Bytes

• Two 528-byte SRAM Data Buffers – Allows Receiving of Data while Reprogramming the Flash Array

• Continuous Read Capability through Entire Array

– Ideal for Code Shadowing Applications

• Low-power Dissipation

– 10 mA Active Read Current Typical

– 6 µA Standby Current Typical

• Hardware and Software Data Protection Features

– Individual Sector Locking

• Security: 128-byte Security Register

– 64-byte User Programmable Space

– Unique 64-byte Device Identifier

• JEDEC Standard Manufacturer and Device ID Read

• 100,000 Program/Erase Cycles per Page Minimum

• Data Retention – 20 years

• Commercial and Industrial Temperature Ranges

• Green (Pb/Halide-free/RoHS Compliant) Packaging Options