AT45DB021D データシートの表示（PDF） - Atmel Corporation

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AT45DB021D

2-megabit 2.7-volt Minimum DataFlash®

Atmel Corporation 

AT45DB021D

Figure 2-1. SOIC Top View

SI 1

SCK 2

RESET 3

CS 4

8 SO

7 GND

6 VCC

5 WP

Figure 2-2. UDFN Top View(1)

SI 1

SCK 2

RESET 3

CS 4

8 SO

7 GND

6 VCC

5 WP

Note: 1. The metal pad on the bottom of the UDFN package is floating. This pad can be a “No Connect” or connected to GND.

3. Block Diagram

WP

FLASH MEMORY ARRAY

PAGE (256/264 BYTES)

BUFFER (256/264 BYTES)

SCK

CS

RESET

VCC

GND

I/O INTERFACE

SI

SO

3

3638I–DFLASH–04/09

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