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AT45DB080 fiches techniques PDF

ATMEL Corporation - 8-Megabit 2.7-volt Only Sequential Access Parallel I/O DataFlash

Numéro de référence AT45DB080
Description 8-Megabit 2.7-volt Only Sequential Access Parallel I/O DataFlash
Fabricant ATMEL Corporation 
Logo ATMEL Corporation 





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AT45DB080 fiche technique
Features
Single 2.7V - 3.6V Supply
Sequential Access, Parallel I/O Architecture
Page Program Operation
– Single Cycle Reprogram (Erase and Program)
– 4096 Pages (264 Bytes/Page) Main Memory
Two 264-Byte Data Buffers – Allows Receiving of Data while
Reprogramming of Non-Volatile Memory
Internal Program and Control Timer
Fast Page Program Time – 7 ms Typical
120 µs Typical Page to Buffer Transfer Time
Low Power Dissipation
– 4 mA Active Read Current Typical
– 2 µA 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,
Pin Configurations
(continued)
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
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 VCC
27 NC
26 NC
25 WP
24 RESET
23 RDY/BUSY
22 NC
21 NC
20 NC
19 I/O7
18 I/O6
17 I/O5
16 I/O4
15 VCC
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 NC
31 NC
30 NC
29 I/O7
28 I/O6
27 I/O5
26 I/O4
25 VCC
24 GND
23 I/O3
22 I/O2
21 I/O1
20 I/O0
19 NC
18 NC
17 NC
Note: SOIC pins 6 and 7 and TSOP pins 15 and 16 are DON’T CONNECT.
8-Megabit
2.7-volt Only
Sequential
Access
Parallel I/O
DataFlash®
AT45DB080
Preliminary
Rev. 1075B–06/98
1

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