AT45DB161E-SHD-B Adesto Technologies, AT45DB161E-SHD-B Datasheet - Page 26
![no-image](/images/no-image-200.jpg)
AT45DB161E-SHD-B
Manufacturer Part Number
AT45DB161E-SHD-B
Description
Flash 16M 2.5-3.6V 85Mhz Serial Flash
Manufacturer
Adesto Technologies
Datasheet
1.AT45DB161E-SHD-B.pdf
(72 pages)
Specifications of AT45DB161E-SHD-B
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
95
Part # Aliases
AT45DB161E-SHD-T
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8.2.2
Figure 8-4. Program Security Register
Reading the Security Register
To read the Security Register, an opcode of 77h and three dummy bytes must be clocked into the device. After the last
dummy bit has been clocked in, the contents of the Security Register can be clocked out on the SO pin. After the last
byte of the Security Register has been read, additional pulses on the SCK pin will result in undefined data being output
on the SO pin.
Deasserting the CS pin will terminate the Read Security Register operation and put the SO pin into a high-impedance
state.
Figure 8-5. Read Security Register
CS
SO
CS
SI
SI
Each transition represents eight bits
Each transition represents eight bits
77h
9Bh
XX
00h
XX
00h
XX
00h
Data
Data
n
n
Adesto AT45DB161E [DATASHEET]
Data
n + 1
n + 1
Data
8782D–DFLASH–11/2012
Data
n + x
Data
n + x
26
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