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AT45DB041A

ATMEL Corporation
Part Number AT45DB041A
Manufacturer ATMEL Corporation
Description 4-megabit 2.5-volt Only Serial DataFlasH
Published Apr 26, 2007
Detailed Description Features • • • • • • • • • • • • • • 100% Compatible to AT45DB041 Single 2.5V - 3.0V or 2.7V - 3.6V Supply Serial Interf...
Datasheet PDF File AT45DB041A PDF File

AT45DB041A
AT45DB041A

Overview
Features • • • • • • • • • • • • • • 100% Compatible to AT45DB041 Single 2.
5V - 3.
0V or 2.
7V - 3.
6V Supply Serial Interface Architecture Page Program Operation – Single Cycle Reprogram (Erase and Program) – 2048 Pages (264 Bytes/Page) Main Memory Optional Page and Block Erase Operations Two 264-byte SRAM Data Buffers – Allows Receiving of Data while Reprogramming of Nonvolatile Memory Continuous Read Capability through Entire Array Internal Program and Control Timer Low Power Dissipation – 4 mA Active Read Current Typical – 2 µA CMOS Standby Current Typical 13 MHz Max Clock Frequency Hardware Data Protection Feature Serial Peripheral Interface (SPI) Compatible – Modes 0 and 3 CMOS and TTL Compatible Inputs and Outputs Commercial and Industrial Temperature Ranges 4-megabit 2.
5-volt Only Serial DataFlash® AT45DB041A Recommend using AT45DB041B for new designs.
Description The AT45DB041A is a 2.
5-volt only, serial interface Flash memory suitable for in-system reprogramming.
Its 4,325,376 bits of memory are organized as 2048 pages of 264 bytes each.
In addition to the main memory, the AT45DB041A also contains two SRAM data buffers of 264 bytes each.
The buffers allow receiving of data while a page in the main memory is being reprogrammed.
Unlike conventional Flash www.
DataSheet4U.
com (continued) Pin Configurations Pin Name CS SCK SI SO WP RESET RDY/BUSY Function Chip Select Serial Clock Serial Input Serial Output Hardware Page Write Protect Pin Chip Reset Ready/Busy PLCC CS NC NC GND VCC NC NC GND NC NC CS SCK SI SO NC NC NC NC NC NC NC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 RDY/BUSY RESET WP NC NC VCC GND NC NC NC CS SCK SI SO 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 NC NC NC NC NC NC NC NC NC NC NC NC NC NC TSOP Top View Type 1 SOIC 28 27 26 25 24 23 22 21 20 19 18 17 16 15 VCC NC NC WP RESET RDY/BUSY NC NC NC NC NC NC NC NC CBGA Top View Through Package 1 2 3 14 15 16 17 18 19 20 SCK SI SO NC NC NC NC NC NC 5 6 7 8 9 10 11 12 13 4...


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