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AT45D02-RC Datasheet

  • AT45D02-RC

  • (183.07 k)

  • 20頁

  • ETC

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Features
鈥?/div>
Single 4.5V - 5.5V 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>
鈥?/div>
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鈥?Single Cycle Reprogram (Erase and Program)
鈥?1024 Pages (264 Bytes/Page) Main Memory
Two 264-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
80 碌s Typical Page to Buffer Transfer Time
Low Power Dissipation
鈥?15 mA Active Read Current Typical
鈥?15 碌A CMOS Standby Current Typical
10 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
2-Megabit
5-volt Only
Serial
DataFlash
廬
AT45D021
Description
The AT45D021 is a 5-volt only, serial interface Flash memory suitable for in-system
reprogramming. Its 2,162,688 bits of memory are organized as 1024 pages of 264-
bytes each. In addition to the main memory, the AT45D021 also contains two data
SRAM buffers of 264-bytes each. The buffers allow receiving of data while a page in
(continued)
Pin Configurations
Pin Name
CS
SCK
SI
SO
WP
RESET
RDY/BUSY
Function
Chip Select
Serial Clock
Serial Input
Serial Output
Harware Page Write
Protect Pin
Chip Reset
Ready/Busy
SCK
SI
SO
NC
NC
NC
NC
NC
NC
PLCC
CS
NC
NC
GND
VCC
NC
NC
Note: PLCC package pins 16 and 17
are DON鈥橳 CONNECT.
SOIC
GND
NC
NC
CS
SCK
SI
SO
NC
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
VCC
NC
NC
WP
RESET
RDY/BUSY
NC
NC
NC
NC
NC
NC
NC
NC
TSOP Top View
Type 1
RDY/BUSY
RESET
WP
NC
NC
VCC
GND
NC
NC
NC
CS
SCK
SI
SO
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
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
DC
DC
NC
NC
NC
14
15
16
17
18
19
20
5
6
7
8
9
10
11
12
13
4
3
2
1
32
31
30
29
28
27
26
25
24
23
22
21
WP
RESET
RDY/BUSY
NC
NC
NC
NC
NC
NC
Rev. 0869B鈥?0/98
1

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    Rectangular Pushbutton Switch Cap White Screw On
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    Rectangular Pushbutton Switch Cap Red Screw On
  • 英文版
    Rectangular Pushbutton Switch Cap Green Screw On
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    Rectangular Pushbutton Switch Cap Gray Screw On
  • 英文版
    Round, Concave Pushbutton Switch Cap Black Screw On
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  • 英文版
    Round, Concave Pushbutton Switch Cap Red Screw On
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    Round, Concave Pushbutton Switch Cap Green Screw On
  • 英文版
    Round, Concave Pushbutton Switch Cap Blue Screw On
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    Round, Concave Pushbutton Switch Cap Gray Screw On
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    ETC
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