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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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AT45DB041D 데이터시트(PDF) 1 Page - ATMEL Corporation |
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AT45DB041D 데이터시트(HTML) 1 Page - ATMEL Corporation |
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1 / 53 page  Features • Single 2.5V or 2.7V to 3.6V Supply • RapidS® Serial Interface: 66 MHz Maximum Clock Frequency – SPI Compatible Modes 0 and 3 • User Configurable Page Size – 256 Bytes per Page – 264 Bytes per Page • Page Program Operation – Intelligent Programming Operation – 2,048 Pages (256/264 Bytes/Page) Main Memory • Flexible Erase Options – Page Erase (256 Bytes) – Block Erase (2 Kbytes) – Sector Erase (64 Kbytes) – Chip Erase (4 Mbits) • Two SRAM Data Buffers (256/264 Bytes) – Allows Receiving of Data while Reprogramming the Flash Array • Continuous Read Capability through Entire Array – Ideal for Code Shadowing Applications • Low-power Dissipation – 7 mA Active Read Current Typical – 25 µA Standby Current Typical – 5 µA Deep Power-down Typical • Hardware and Software Data Protection Features – Individual Sector • 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 • Industrial Temperature Range • Green (Pb/Halide-free/RoHS Compliant) Packaging Options 1. Description The AT45DB041D is a 2.5V or 2.7V, serial-interface Flash memory ideally suited for a wide variety of digital voice-, image-, program code- and data-storage applications. The AT45DB041D supports RapidS serial interface for applications requiring very high speed operations. RapidS serial interface is SPI compatible for frequencies up to 66 MHz. Its 4,325,376 bits of memory are organized as 2,048 pages of 256 bytes or 264 bytes each. In addition to the main memory, the AT45DB041D also contains two SRAM buffers of 256/264 bytes each. The buffers allow the receiving of data while a page in the main Memory is being reprogrammed, as well as writing a continuous data stream. EEPROM emulation (bit or byte alterability) is easily handled with a self-con- tained three step read-modify-write operation. Unlike conventional Flash memories that are accessed randomly with multiple address lines and a parallel interface, the DataFlash uses a RapidS serial interface to sequentially access its data. The simple sequential access dramatically reduces active pin count, facilitates hardware layout, 4-megabit 2.5-volt or 2.7-volt DataFlash® AT45DB041D 3595H–DFLASH–03/07 |
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