AT45DB011BSI ATMEL Corporation, AT45DB011BSI Datasheet
AT45DB011BSI
Manufacturer Part Number
AT45DB011BSI
Description
SOP-8
Manufacturer
ATMEL Corporation
Datasheet
1.AT45DB011BSC.pdf
(32 pages)
Specifications of AT45DB011BSI
Date_code
05+
Features
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Description
The AT45DB011B is a 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 1,081,344 bits of memory are organized as 512 pages of 264 bytes each. In addi-
tion to the main memory, the AT45DB011B also contains one SRAM data buffer of 264
bytes. The buffer allows receiving of data while a page in the main memory is being
reprogrammed. EEPROM emulation (bit or byte alterability) is easily handled with a
self-contained three step Read-Modify-Write operation. Unlike conventional Flash
memories that are accessed randomly with multiple address lines and a parallel inter-
face, the DataFlash uses a SPI serial interface to sequentially access its data. SPI
mode 0 and mode 3 are supported. The simple serial interface facilitates hardware
Pin Configurations
Pin Name
CS
SCK
SI
SO
WP
RESET
RDY/BUSY
Single 2.7V - 3.6V Supply
Serial Peripheral Interface (SPI) Compatible
20 MHz Max Clock Frequency
Page Program Operation
Supports Page and Block Erase Operations
One 264-byte SRAM Data Buffer
Continuous Read Capability through Entire Array
Fast Page Program Time – 7 ms Typical
120 µs Typical Page to Buffer Transfer Time
Low Power Dissipation
Hardware Data Protection Feature
100% Compatible with AT45DB011
Commercial and Industrial Temperature Ranges
Green (Pb/Halide-free/RoHS Compliant) Packaging Options
– Single Cycle Reprogram (Erase and Program)
– 512 Pages (264 Bytes/Page) Main Memory
– Ideal for Code Shadowing Applications
– 4 mA Active Read Current Typical
– 2 µA CMOS Standby Current Typical
RESET
SCK
CS
SI
1
2
3
4
SOIC
Function
Serial Clock
Serial Output
Chip Select
Serial Input
Hardware Page
Write Protect Pin
Chip Reset
Ready/Busy
8
7
6
5
SO
GND
VCC
WP
RDY/BUSY
RESET
GND
VCC
SCK
WP
SO
A
B
C
TSSOP Top View
through Package
CBGA Top View
1
2
3
4
5
6
7
SCK
CS
SO
1
Type 1
RDY/BSY
GND
2
SI
RESET
VCC
WP
3
14
13
12
11
10
9
8
CS
NC
NC
NC
NC
NC
SI
1-megabit
2.7-volt Only
DataFlash
AT45DB011B
AT45DB011B
Preliminary 16-
Megabit 2.7-volt
Only Serial
DataFlash
1984J–DFLASH–06/06
®
1
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