Rainbow Electronics AT45DB021D - Manual (Page 3)

3
3638K–DFLASH–11/2012
AT45DB021D
Notes: 1. The metal pad on the bottom of the UDFN package is floating. This pad can be a “No Connect” or connected to
GND
Figure 1-3. Block Diagram
Figure 1-1. SOIC Top View Figure 1-2. UDFN Top View (1)
1
2
3
4
8
7
6
5
SI
SCK
RESET
CS
SO
GND
VCC
WP
SI
SCK
RESET
CS
SO
GND
VCC
WP
8
7
6
5
1
2
3
4
FLASH MEMORY ARRAY
BUFFER (256-/264-BYTES)
I/O INTERFACE
SCK
CS
RESET
VCC
GND
WP
SO SI
PAGE (256-/264-BYTES)