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AT45DB321C-TU Datasheet(PDF) 2 Page - ATMEL Corporation

Part # AT45DB321C-TU
Description  32-megabit 2.7 volt DataFlash
Download  40 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT45DB321C-TU Datasheet(HTML) 2 Page - ATMEL Corporation

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2
3387L–DFLASH–6/06
AT45DB321C
To allow for simple in-system reprogrammability, the AT45DB321C does not require high input
voltages for programming. The device operates from a single power supply, 2.7V to 3.6V, for
both the program and read operations. The AT45DB321C is enabled through the chip select pin
(CS) and accessed via a three-wire interface consisting of the Serial Input (SI), Serial Output
(SO), and the Serial Clock (SCK).
All programming and erase cycles are self-timed.
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.
CBGA Top View
through Package
Figure 2-3.
SOIC Top View
Figure 2-4.
DataFlash Card
(1) Top View
through Package
Note:
1. See AT45DCB004C Datasheet
Figure 2-5.
CASON – 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
A
B
C
D
E
1
2345
NC
NC
NC
NC
NC
VCC
WP
RESET
NC
NC
GND
RDY/BSY
SI
NC
NC
SCK
CS
SO
NC
NC
NC
NC
NC
NC
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
76 54321
SI
SCK
RESET
CS
SO
GND
VCC
WP
8
7
6
5
1
2
3
4


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