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AT45DB011 fiches techniques PDF

ATMEL Corporation - 1-Megabit 2.7-volt Only Serial DataFlash

Numéro de référence AT45DB011
Description 1-Megabit 2.7-volt Only Serial DataFlash
Fabricant ATMEL Corporation 
Logo ATMEL Corporation 





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AT45DB011 fiche technique
Features
Single 2.7V - 3.6V Supply
Serial Interface Architecture
Page Program Operation
– Single Cycle Reprogram (Erase and Program)
– 512 Pages (264 Bytes/Page) Main Memory
Optional Page and Block Erase Operations
One 264-Byte SRAM Data Buffer
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
13 MHz Max Clock Frequency
Hardware Data Protection Feature
Serial Peripheral Interface (SPI) Compatible – Modes 0 and 3
CMOS and TTL Compatible Inputs and Outputs
Commercial and Industrial Temperature Ranges
Description
The AT45DB011 is a 2.7-volt only, serial interface Flash memory suitable for in-sys-
tem reprogramming. Its 1,081,344 bits of memory are organized as 512 pages of 264
bytes each. In addition to the main memory, the AT45DB011 also contains one SRAM
data buffer of 264 bytes. Unlike conventional Flash memories that are accessed ran-
domly with multiple address lines and a parallel interface, the DataFlash uses a serial
interface to sequentially access its data. The simple serial interface facilitates hard-
(continued)
Pin Configurations
SOIC
Pin Name
CS
SCK
SI
Function
Chip Select
Serial Clock
Serial Input
SI
SCK
RESET
CS
1
2
3
4
8 SO
7 GND
6 VCC
5 WP
SO Serial Output
WP
Hardware Page
Write Protect Pin
RESET
Chip Reset
RDY/BUSY Ready/Busy
PLCC
TSSOP Top View
Type 1
SCK
SI
SO
NC
NC
NC
NC
NC
NC
5
6
7
8
9
10
11
12
13
29 WP
28 RESET
27 RDY/BUSY
26 NC
25 NC
24 NC
23 NC
22 NC
21 NC
RDY/BUSY
RESET
WP
VCC
GND
SCK
SO
1
2
3
4
5
6
7
14 CS
13 NC
12 NC
11 NC
10 NC
9 NC
8 SI
Note: PLCC package pins 16
and 17 are DON’T CONNECT
1-Megabit
2.7-volt Only
Serial
DataFlash®
AT45DB011
Preliminary
AT45DB011
Preliminary 16-
Megabit 2.7-volt
Only Serial
DataFlash
Rev. 1103C–08/98
1

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