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AT45DB642D_09 Datasheet, PDF (1/58 Pages) ATMEL Corporation – 64-megabit 2.7-volt Dual-interface DataFlash
Features
• 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 Size Can Be Factory Pre-configured for 1024 Bytes
• 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
– 15 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
64-megabit
2.7-volt
Dual-interface
DataFlash®
AT45DB642D
3542K–DFLASH–04/09