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AT45DB321-TI Datasheet

  • AT45DB321-TI

  • 32-Megabit 2.7-volt Only Serial DataFlash

  • 20頁

  • ATMEL   ATMEL

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上傳產(chǎn)品規(guī)格書

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Features
鈥?/div>
Single 2.7V - 3.6V Supply
鈥?/div>
Serial Interface Architecture
鈥?/div>
Page Program Operation
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
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鈥?Single Cycle Reprogram (Erase and Program)
鈥?8192 Pages (528 Bytes/Page) Main Memory
Optional Page and Block Erase Operations
Two 528-Byte SRAM Data Buffers 鈥?Allows Receiving of Data while Reprogramming of
Nonvolatile Memory
Internal Program and Control Timer
Fast Page Program Time 鈥?7 ms Typical
120
碌
s Typical Page to Buffer Transfer Time
Low-Power Dissipation
鈥?4 mA Active Read Current Typical
鈥?3
碌
A CMOS Standby Current Typical
13 MHz Max Clock Frequency
Hardware Data Protection Feature
Serial Peripheral Interface (SPI) Compatible 鈥?Modes 0 and 3
CMOS and TTL Compatible Inputs and Outputs
Commercial and Industrial Temperature Ranges
32-Megabit
2.7-volt Only
Serial
DataFlash
廬
AT45DB321
Preliminary
Description
The AT45DB321 is a 2.7-volt only, serial interface Flash memory suitable for in-sys-
tem reprogramming. Its 34,603,008 bits of memory are organized as 8192 pages of
528 bytes each. In addition to the main memory, the AT45DB321 also contains two
SRAM data buffers of 528 bytes each. The buffers allow receiving of data while a
page in the main memory is being reprogrammed. Unlike conventional Flash memo-
(continued)
Pin Configurations
Pin Name
CS
SCK
SI
SO
WP
RESET
RDY/BUSY
Function
Chip Select
Serial Clock
Serial Input
Serial Output
Hardware Page
Write Protect Pin
Chip Reset
Ready/Busy
CBGA Top View Through Package
1
2
3
4
5
A
NC
NC
NC
NC
NC
NC
B
NC
SCK GND VCC
CS RDY/BSY WP
SO
NC
C
NC
D
NC
SI RESET NC
NC
NC
NC
E
NC
TSOP Top View
Type 1
RDY/BUSY
RESET
WP
NC
NC
NC
VCC
GND
NC
NC
NC
NC
CS
SCK
SI
SO
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
AT45DB321
Preliminary 16-
Megabit 2.7-volt
Only Serial
DataFlash
Rev. 1121A鈥?9/98
1

AT45DB321-TI 產(chǎn)品屬性

  • Atmel

  • 閃存

  • 32 Mbit

  • Sectored

  • SPI

  • 3.6 V

  • 2.7 V

  • 10 mA

  • + 85 C

  • SMD/SMT

  • TSOP-32

  • 4 KB x 1

AT45DB321-TI相關(guān)型號(hào)PDF文件下載

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    Rectangular Pushbutton Switch Cap Green Screw On
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    Rectangular Pushbutton Switch Cap Gray Screw On
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    Round, Concave Pushbutton Switch Cap White Screw On
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    Round, Concave Pushbutton Switch Cap Red Screw On
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    Round, Concave Pushbutton Switch Cap Green Screw On
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    Round, Concave Pushbutton Switch Cap Gray Screw On
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