AT45DB161E-SHD2B-T Adesto Technologies, AT45DB161E-SHD2B-T Datasheet - Page 54
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AT45DB161E-SHD2B-T
Manufacturer Part Number
AT45DB161E-SHD2B-T
Description
Flash 16M 2.5-3.6V 85Mhz Serial Flash
Manufacturer
Adesto Technologies
Datasheet
1.AT45DB161E-SHD-B.pdf
(72 pages)
Specifications of AT45DB161E-SHD2B-T
Rohs
yes
Data Bus Width
8 bit
Memory Type
Data Flash
Memory Size
16 Mbit
Architecture
Flexible, Uniform Erase
Timing Type
Synchronous
Interface Type
SPI
Supply Voltage - Max
3.6 V
Supply Voltage - Min
2.5 V
Maximum Operating Current
26 mA
Operating Temperature
- 40 C to + 85 C
Mounting Style
SMD/SMT
Package / Case
SOIC-8
Factory Pack Quantity
2000
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23.
Write Operations
The following block diagram and waveforms illustrate the various write sequences available.
Figure 23-1. Block Diagram
Figure 23-2. Buffer Write
Figure 23-3. Buffer to Main Memory Page Program
SI (Input)
SI (Input)
Page (512/528 bytes)
CS
CS
Buffer 1 (512/528 bytes)
Page Program
Main Memory
Buffer 1 To
Buffer 1
Write
Each transition represents eight bits
CMD
CMD
Starts Self-timed Erase/Program Operation
X
PA11-6
Flash Memory Array
15 Dummy Bits + BFA8-BFA0
X···X, BFA9-8
I/O Interface
A20-A9 + 9 Dummy Bits
Binary Page Size
Binary Page Size
SI
PA5-0, XX
n
n+1 = 2nd byte read
BFA7-0
= 1st byte read
XXXX XX
Buffer 2 (512/528 bytes)
n
Completes Writing into Selected Buffer
Adesto AT45DB161E [DATASHEET]
Buffer 2 To
Main Memory
Page Program
Buffer 2
Write
n + 1
8782D–DFLASH–11/2012
Last Byte
54
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