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AT45DB081B Datasheet

  • AT45DB081B

  • 8-megabit 2.5-volt Only or 2.7-volt Only DataFlash

  • 393.26KB

  • 32頁(yè)

  • ATMEL   ATMEL

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Features
鈥?/div>
Single 2.5V - 3.6V or 2.7V - 3.6V Supply
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Serial Peripheral Interface (SPI) Compatible
鈥?/div>
Page Program Operation
鈥?/div>
鈥?/div>
鈥?/div>
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鈥?/div>
鈥?/div>
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鈥?Single Cycle Reprogram (Erase and Program)
鈥?4096 Pages (264 Bytes/Page) Main Memory
Supports Page and Block Erase Operations
Two 264-byte SRAM Data Buffers 鈥?Allows Receiving of Data
while Reprogramming of Nonvolatile Memory
Continuous Read Capability through Entire Array
鈥?Ideal for Code Shadowing Applications
Low Power Dissipation
鈥?4 mA Active Read Current Typical
鈥?2 碌A(chǔ) CMOS Standby Current Typical
20 MHz Max Clock Frequency
Hardware Data Protection Feature
100% Compatible to AT45DB081 and AT45DB081A
5.0V-tolerant Inputs: SI, SCK, CS, RESET and WP Pins
Commercial and Industrial Temperature Ranges
8-megabit
2.5-volt Only or
2.7-volt Only
DataFlash
廬
AT45DB081B
Description
The AT45DB081B is a 2.5-volt or 2.7-volt only, serial interface Flash memory ideally
suited for a wide variety of digital voice-, image-, program code- and data-storage
applications. Its 8,650,752 bits of memory are organized as 4096 pages of 264 bytes
each. In addition to the main memory, the AT45DB081B also contains two SRAM
data buffers of 264 bytes each. The buffers allow receiving of data while a page in the
main memory is being reprogrammed, as well as reading or writing a continuous data
(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
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
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
TSOP Top View
Type 1
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
SOIC
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
CBGA Top View
through Package
1
2
3
A
NC
NC
VCC
B
SCK
GND
C
CS RDY/BSY WP
D
SO
SI
NC
RESET
NC
E
NC
Rev. 2225C鈥?2/01
1

AT45DB081B相關(guān)型號(hào)PDF文件下載

  • 型號(hào)
    版本
    描述
    廠商
    下載
  • 英文版
    1-Megabit 5.0-volt Only Serial DataFlash
    ATMEL [ATM...
  • 英文版
    4-Megabit 5-volt Only Serial DataFlash
    ATMEL [ATM...
  • 英文版
    SMALL SIGNAL SCHOTTKY DIODE
    STMICROELECTRON...
  • 英文版
    Rectangular Pushbutton Switch Cap Black Screw On
  • 英文版
    Rectangular Pushbutton Switch Cap White Screw On
  • 英文版
    Rectangular Pushbutton Switch Cap Red Screw On
  • 英文版
    Rectangular Pushbutton Switch Cap Green Screw On
  • 英文版
    Rectangular Pushbutton Switch Cap Blue Screw On
  • 英文版
    Rectangular Pushbutton Switch Cap Gray Screw On
  • 英文版
    Round, Concave Pushbutton Switch Cap Black Screw On
  • 英文版
    Round, Concave Pushbutton Switch Cap White Screw On
  • 英文版
    Round, Concave Pushbutton Switch Cap Red Screw On
  • 英文版
    Round, Concave Pushbutton Switch Cap Green Screw On
  • 英文版
    Round, Concave Pushbutton Switch Cap Blue Screw On
  • 英文版
    Round, Concave Pushbutton Switch Cap Gray Screw On
  • 英文版
    Dual Operational Amplifier for Audio
    ETC
  • 英文版
    Dual Operational Amplifier for Audio
    ETC [ETC]
  • 英文版
    SHROUD RND BK FOR MB20/SCB SER
  • 英文版
    1-Megabit 2.7-volt Only Serial DataFlash
    ATMEL
  • 英文版
    1-Megabit 2.7-volt Only Serial DataFlash
    ATMEL [ATM...

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