参数资料
型号: SAF-XE167KM-48FXXL
厂商: INFINEON TECHNOLOGIES AG
元件分类: 微控制器/微处理器
英文描述: RISC MICROCONTROLLER, PQFP144
封装: 0.50 MM PITCH, GREEN, PLASTIC, LQFP-144
文件页数: 8/140页
文件大小: 1096K
代理商: SAF-XE167KM-48FXXL
XE167FM, XE167GM, XE167HM, XE167KM
XE166 Family Derivatives / Base Line
Electrical Parameters
Data Sheet
105
V2.0, 2009-03
4.5
Flash Memory Parameters
The XE167xM is delivered with all Flash sectors erased and with no protection installed.
The data retention time of the XE167xM’s Flash memory (i.e. the time after which stored
data can still be retrieved) depends on the number of times the Flash memory has been
erased and programmed.
Note: These parameters are not subject to production test but verified by design and/or
characterization.
Note: Operating Conditions apply.
Table 22
Flash Characteristics
Parameter
Symbol
Limit Values
Unit
Note / Test
Condition
Min.
Typ.
Max.
Programming time per
128-byte page
t
PR
–31)
1) Programming and erase times depend on the internal Flash clock source. The control state machine needs a
few system clock cycles. This requirement is only relevant for extremely low system frequencies.
3.5
ms
Erase time per
sector/page
t
ER
8ms
ms
Data retention time
t
RET
20
years
1,000 erase /
program
cycles
Flash erase endurance for
user sectors2)
2) A maximum of 64 Flash sectors can be cycled 15,000 times. For all other sectors the limit is 1,000 cycles.
N
ER
15,000 –
cycles Data retention
time 5 years
Flash erase endurance for
security pages
N
SEC
10
cycles Data retention
time 20 years
Drain disturb limit
N
DD
32
cycles 3)
3) This parameter limits the number of subsequent programming operations within a physical sector. The drain
disturb limit is applicable if wordline erase is used repeatedly. For normal sector erase/program cycles this
limit will not be violated.
Parallel Flash module
program/erase limit,
depending on the Flash
read activity
N
PP
1
Unrestricted4)
execution
4) Flash module 3 can be erased/programmed while code is executed and/or data is read from any other Flash
modules.
4
Restricted5)
execution
5) All Flash modules can be erased/programmed while code is executed and/or data is read from only one Flash
module or from PSRAM.
The Flash module that delivers code/data can, of course, not be erased/programmed.
相关PDF资料
PDF描述
SAF-XE167KM-72FXXL RISC MICROCONTROLLER, PQFP144
SAK-XE167FM-48FXXL RISC MICROCONTROLLER, PQFP144
SAK-XE167FM-72FXXL 32-BIT, FLASH, RISC MICROCONTROLLER, PQFP144
SAK-XE167KM-48FXXL RISC MICROCONTROLLER, PQFP144
SAM448-20LMB 0-BIT, MICROPROGRAM SEQUENCER, CQCC28
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