at45db021d-ssh-sl955 ATMEL Corporation, at45db021d-ssh-sl955 Datasheet - Page 3

• Manufacturer Part Number: at45db021d-ssh-sl955
• Description: 2-megabit 2.7-volt Minimum Dataflash
• Manufacturer: ATMEL Corporation

Figure 2-1.
Note:
3. Block Diagram
3638F–DFLASH–4/08
1. The metal pad on the bottom of the UDFN package is floating. This pad can be a “No Connect” or connected to GND.
RESET
GND
VCC
SCK
SOIC Top View
RESET
WP
CS
SCK
CS
SI
1
2
3
4
PAGE (256/264 BYTES)
BUFFER (256/264 BYTES)
8
7
6
5
SO
GND
VCC
WP
SI
FLASH MEMORY ARRAY
I/O INTERFACE
Figure 2-2.
UDFN Top View
RESET
SCK
CS
SI
1
2
3
4
SO
(1)
AT45DB021D
8
7
6
5
SO
GND
VCC
WP
3