AT45DB161D-SU Atmel, AT45DB161D-SU Datasheet - Page 13

IC FLASH 16MBIT 66MHZ 8SOIC

AT45DB161D-SU

Manufacturer Part Number
AT45DB161D-SU
Description
IC FLASH 16MBIT 66MHZ 8SOIC
Manufacturer
Atmel

Specifications of AT45DB161D-SU

Format - Memory
FLASH
Memory Type
DataFLASH
Memory Size
16M (4096 pages x 528 bytes)
Speed
66MHz
Interface
SPI, 3-Wire Serial
Voltage - Supply
2.7 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Package / Case
8-SOIC (5.3mm Width), 8-SOP, 8-SOEIAJ
Architecture
Sectored
Interface Type
SPI
Supply Voltage (max)
3.6 V
Supply Voltage (min)
2.7 V
Maximum Operating Current
15 mA
Mounting Style
SMD/SMT
Organization
128 KB x 16
Current, Input, Leakage
1 μA
Current, Operating
11 mA (Read), 12 mA (Program/Erase)
Current, Output, Leakage
1
Data Retention
20 yrs.
Density
16M
Package Type
EIAJ SOIC
Temperature, Operating
-40 to +85 °C
Time, Access
6 ns
Time, Address Hold
5
Time, Address Setup
5
Time, Fall
6.8 ns
Time, Rise
6.8 ns
Voltage, Input, High
1.89 to 2.52 V
Voltage, Input, Low
0.81 to 1.08 V
Voltage, Output, High
2.5 V
Voltage, Output, Low
0.4 V
Voltage, Supply
2.7 to 3.6 V
Memory Configuration
4096 Pages X 528 Bytes
Clock Frequency
66MHz
Supply Voltage Range
2.5V To 3.6V, 2.7V To 3.6V
Rohs Compliant
Yes
Access Time (max)
6ns
Boot Type
Not Required
Address Bus
1b
Operating Supply Voltage (typ)
3/3.3V
Operating Temp Range
-40C to 85C
Program/erase Volt (typ)
2.7 to 3.6V
Sync/async
Synchronous
Operating Temperature Classification
Industrial
Operating Supply Voltage (min)
2.7V
Operating Supply Voltage (max)
3.6V
Supply Current
15mA
Mounting
Surface Mount
Pin Count
8
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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3500N–DFLASH–05/10
9.1
The table below details the sector protection status for various scenarios of the WP pin, the Enable Sector
Protection command, and the Disable Sector Protection command.
Figure 9-1.
Table 9-1.
Sector Protection Register
The nonvolatile Sector Protection Register specifies which sectors are to be protected or unprotected with either
the software or hardware controlled protection methods. The Sector Protection Register contains 16-bytes of data,
of which byte locations 0 through 15 contain values that specify whether sectors 0 through 15 will be protected or
unprotected. The Sector Protection Register is user modifiable and must first be erased before it can be
reprogrammed.
Table 9-2.
Table 9-3.
Note:
Sector Number
Protected
Unprotected
Sectors 0a, 0b Unprotected
Protect Sector 0a
Protect Sector 0b (Page 8-255)
Protect Sectors 0a (Page 0-7), 0b (Page 8-255)
Period
WP
Time
1
2
3
1. The default value for bytes 0 through 15 when shipped from Atmel is 00H
WP Pin
x = don’t care
High
High
Low
WP Pin and Protection Status
WP Pin and Protection Status
Sector Protection Register
Sector 0 (0a, 0b)
Table 9-3
Enable Sector Protection Command
Command Issued During Period 1 or 2
1
Command Not Issued Previously
illustrates the format of the Sector Protection Register.:
Issue Command
Issue Command
X
(1)
See
0 (0a, 0b)
Table 9-3
(Page 0-7)
2
Bit 7, 6
0a
00
11
00
11
Protection Command
Issue Command
Issue Command
Disable Sector
Not Issued Yet
(Page 8-255)
X
X
Bit 5, 4
0b
00
00
11
11
1 to 15
Atmel AT45DB161D
FFH
00H
Bit 3, 2
Protection
Disabled
Disabled
Disabled
Enabled
Enabled
Enabled
Enabled
xx
xx
xx
xx
Sector
Status
3
Bit 1, 0
xx
xx
xx
xx
Protection
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read Only
Register
Sector
Value
Data
CxH
FxH
0xH
3xH
13

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