參數(shù)資料
型號： R5F35633DFF
元件分類： 微控制器/微處理器
英文描述： 32-BIT, FLASH, MICROCONTROLLER, PQFP64
封裝： PLASTIC, LQFP-64
文件頁數(shù)： 63/87頁
文件大?。?/td> 632K
代理商： R5F35633DFF
REJ03B0307-0110 Rev.1.10 Dec 01, 2009
Page 64 of 83
M16C/5LD Group, M16C/56D Group
5. Electrical Characteristics
Notes:
1.
Definition of program and erase cycles
The program and erase cycles refer to the number of per-block erasures.
If the program and erase cycles are n (n = 10,000), each block can be erased n times.
For example, if a 4 Kbyte block is erased after writing two word data 1,024 times, each to a different address, this
counts as one program and erase cycles. Data cannot be written to the same address more than once without
erasing the block (rewrite prohibited).
2.
Cycles to guarantee all electrical characteristics after program and erase. (1 to Min. value can be guaranteed).
3.
In a system that executes multiple programming operations, the actual erasure count can be reduced by writing
to sequential addresses in turn so that as much of the block as possible is used up before performing an erase
operation. For example, when programming groups of 16 bytes, the effective number of rewrites can be
minimized by programming up to 256 groups before erasing them all in one operation. In addition, averaging the
erasure cycles between blocks A and B can further reduce the actual erasure cycles. It is also advisable to retain
data on the erasure cycles of each block and limit the number of erase operations to a certain number.
4.
If an error occurs during block erase, attempt to execute the clear status register command, then execute the
block erase command at least three times until the erase error does not occur.
5.
Customers desiring program and erase failure rate information should contact their Renesas technical support
representative.
6.
The data hold time includes time that the power supply is off or the clock is not supplied.
7.
After an erase start or erase restart, if an interval of at least 20 ms is not set before the next suspend request,
the erase sequence cannot be completed.
Table 5.7
Flash Memory (Data Flash) Electrical Characteristics
VCC = 2.7 to 5.5 V at Topr = -40 to 85°C, unless otherwise specified.
Symbol
Parameter
Conditions
Standard
Unit
Min.
Typ.
Max.
-
Program and erase cycles (1, 3, 4)
VCC = 3.3 V, Topr = 25°C
10,000 (2)
times
-
Two words program time
VCC = 3.3 V, Topr = 25°C
300
4000
μs
-
Lock bit program time
VCC = 3.3 V, Topr = 25°C
140
3000
μs
-
Block erase time
VCC = 3.3 V, Topr = 25°C
0.2
3.0
s
td(SR-SUS) Time delay from suspend request
until suspend
5 + CPU clock
× 3 cycles
ms
-
Interval from erase start/restart until
following suspend request
0
μs
-
Suspend interval necessary for
auto-erasure to complete (7)
20
ms
-
Time from suspend until erase
restart
30 + CPU
clock × 1 cycle
μs
-
Program, erase voltage
2.7
5.5
V
-
Read voltage
2.7
5.5
V
-
Program, erase temperature
40
85
°C
tPS
Flash Memory Circuit Stabilization Wait Time
50
μs
-
Data hold time (6)
Ambient temperature = 55
°C
20
year
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
R5F35633JFF 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:RENESAS MCU
R5F35633KFF 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:RENESAS MCU
R5F35636DFF 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:RENESAS MCU
R5F35636DFF#U0 制造商:Renesas Electronics Corporation 功能描述:
R5F35636JFF 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:RENESAS MCU
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