AT45DB642D

  AT45DB642D - 64-megabit 2.7-volt Dual-interface DataFlash - ATMEL Corporation

• Single 2.7V - 3.6V Supply

• Dual-interface Architecture

– RapidS™ Serial Interface: 66 MHz Maximum Clock Frequency

SPI Compatible Modes 0 and 3

– Rapid8™ 8-bit Interface: 50 MHz Maximum Clock Frequency

• User Configurable Page Size

– 1024 Bytes per Page

– 1056 Bytes per Page

• Page Program Operation

– Intelligent Programming Operation

– 8192 Pages (1024/1056 Bytes/Page) Main Memory

• Flexible Erase Options

– Page Erase (1 Kbyte)

– Block Erase (8 Kbytes)

– Sector Erase (256 Kbytes)

– Chip Erase (64 Mbits)

• Two SRAM Data Buffers (1024/1056 Bytes)

– 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 – Serial Interface

– 10 mA Active Read Current Typical – 8-bit Interface

– 25 µA Standby Current Typical

– 9 µA Deep Power Down Typical

• Hardware and Software Data Protection Features

– Individual Sector

• Permanent Sector Lockdown for Secure Code and Data Storage

– Individual Sector

• 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

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

• Temperature Range

– Industrial: -40°C to +85°C

**注意 & Noted:

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