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AT45DB041B-RU Datasheet(PDF) 2 Page - ATMEL Corporation

Part # AT45DB041B-RU
Description  4-megabit 2.5-volt or 2.7-volt DataFlash
PDF  35 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT45DB041B-RU Datasheet(HTML) 2 Page - ATMEL Corporation

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2
3443C–DFLSH–5/05
AT45DB041B
When the device is shipped from Atmel, the most significant page of the memory array may not
be erased. In other words, the contents of the last page may not be filled with FFH.
2.
Pin Configurations and Packages
Table 2-1.
Pin Configurations
Pin Name
Function
CS
Chip Select
SCK
Serial Clock
SI
Serial Input
SO
Serial Output
WP
Hardware Page Write Protect Pin
RESET
Chip Reset
RDY/BUSY
Ready/Busy
Figure 2-1.
TSOP Top View Type 1
Figure 2-2.
CASON – Top View through Package
Figure 2-3.
8-SOIC
Figure 2-4.
28-SOIC
(1)
Note:
1. The next generation DataFlash devices will not be
offered in 28-SOIC package, therefore, this pack-
age is not recommended for new designs.
Figure 2-5.
CBGA Top View
through Package
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
RDY/BUSY
RESET
WP
NC
NC
VCC
GND
NC
NC
NC
CS
SCK
SI
SO
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
SI
SCK
RESET
CS
SO
GND
VCC
WP
8
7
6
5
1
2
3
4
1
2
3
4
8
7
6
5
SI
SCK
RESET
CS
SO
GND
VCC
WP
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
GND
NC
NC
CS
SCK
SI
SO
NC
NC
NC
NC
NC
NC
NC
VCC
NC
NC
WP
RESET
RDY/BUSY
NC
NC
NC
NC
NC
NC
NC
NC
A
B
C
D
E
12
3
NC
VCC
WP
RESET
NC
NC
GND
RDY/BSY
SI
NC
SCK
CS
SO
NC



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