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AT45DB080-RI Datasheet

  • AT45DB080-RI

  • 8-Megabit 2.7-volt Only Sequential Access Parallel I/O DataF...

  • 18頁

  • ATMEL   ATMEL

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Features
鈥?/div>
Single 2.7V - 3.6V Supply
鈥?/div>
Sequential Access, Parallel I/O Architecture
鈥?/div>
Page Program Operation
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?Single Cycle Reprogram (Erase and Program)
鈥?4096 Pages (264 Bytes/Page) Main Memory
Two 264-Byte Data Buffers 鈥?Allows Receiving of Data while
Reprogramming of Non-Volatile 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?2
碌
A CMOS Standby Current Typical
2 MHz Max Clock Frequency
Hardware Data Protection Feature
Synchronous Clocking (Two Modes)
CMOS and TTL Compatible Inputs and Outputs
Commercial and Industrial Temperature Ranges
Description
The AT45DB080 is a 2.7-volt only, sequential access, parallel interface Flash memory
suitable for in-system reprogramming. Its 8,650,752 bits of memory are organized as
4096 pages of 264-bytes each. In addition to the main memory, the AT45DB080 also
contains two data buffers of 264-bytes each. The buffers allow receiving of data while
a page in the main memory is being reprogrammed. Unlike conventional Flash memo-
ries that are accessed randomly with multiple address lines and a parallel interface,
8-Megabit
2.7-volt Only
Sequential
Access
Parallel I/O
DataFlash
廬
AT45DB080
Preliminary
(continued)
Pin Configurations
Pin Name
CS
CLK
I/O7-I/O0
WP
RESET
RDY/BUSY
Function
Chip Select
Clock
Input/Output
Hardware Page
Write Protect Pin
Chip Reset
Ready/Busy
TSOP Top View
Type 1
RDY/BUSY
RESET
WP
NC
NC
NC
VCC
GND
NC
NC
NC
NC
CS
CLK
DC
DC
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
I/O7
I/O6
I/O5
I/O4
VCC
GND
I/O3
I/O2
I/O1
I/O0
NC
NC
NC
SOIC
GND
NC
NC
CS
CLK
DC
DC
NC
NC
I/O0
I/O1
I/O2
I/O3
GND
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
I/O7
I/O6
I/O5
I/O4
VCC
Rev. 1075B鈥?6/98
Note:
SOIC pins 6 and 7 and TSOP pins 15 and 16 are DON鈥橳 CONNECT.
1

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