AT45DB081BTU ATMEL Corporation, AT45DB081BTU Datasheet
AT45DB081BTU
Manufacturer Part Number
AT45DB081BTU
Description
Manufacturer
ATMEL Corporation
Datasheet
1.AT45DB081BTU.pdf
(33 pages)
Specifications of AT45DB081BTU
Case
TSOP
Date_code
07+
Features
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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
main memory is being reprogrammed, as well as writing a continuous data stream.
Pin Configurations
data buffers of 264 bytes each. The buffers allow receiving of data while a page in the
Pin Name
CS
SCK
SI
SO
WP
RESET
RDY/BUSY
Single 2.5V - 3.6V or 2.7V - 3.6V Supply
Serial Peripheral Interface (SPI) Compatible
20 MHz Max Clock Frequency
Page Program Operation
Supports Page and Block Erase Operations
Two 264-byte SRAM Data Buffers – Allows Receiving of Data
while Reprogramming of Nonvolatile Memory
Continuous Read Capability through Entire Array
Low Power Dissipation
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
Green (Pb/Halide-free) Packaging Options
– Single Cycle Reprogram (Erase and Program)
– 4096 Pages (264 Bytes/Page) Main Memory
– Ideal for Code Shadowing Applications
– 4 mA Active Read Current Typical
– 2 µA CMOS Standby Current Typical
Top View through Package
RESET
SCK
CS
SI
1
2
3
4
CASON
Function
Chip Select
Serial Clock
Serial Input
Serial Output
Hardware Page Write
Protect Pin
Chip Reset
Ready/Busy
8
7
6
5
SO
GND
VCC
WP
RDY/BUSY
GND
RESET
SCK
NC
NC
SO
NC
NC
NC
NC
NC
NC
NC
CS
GND
SI
VCC
SCK
WP
NC
NC
NC
NC
NC
SO
CS
SI
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
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
TSOP Top View
Type 1
through Package
CBGA Top View
C
D
A
B
E
SCK
CS
SO
NC
1
RDY/BSY
GND
NC
NC
2
SI
28
27
26
25
24
23
22
21
20
19
18
17
16
15
RESET
VCC
NC
WP
NC
3
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
8-megabit
2.5-volt Only or
2.7-volt Only
DataFlash
AT45DB081B
Rev. 2225I–DFLSH–9/05
®
1
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