参数资料
型号: R5F64179HDFD
元件分类: 微控制器/微处理器
英文描述: 64-BIT, FLASH, MICROCONTROLLER, PQFP144
封装: 20 X 20 MM, 0.50 MM PITCH, PLASTIC, LQFP-144
文件页数: 89/114页
文件大小: 851K
代理商: R5F64179HDFD
REJ03B0254-0110
Rev.1.10
Page 76 of 111
Jun 23, 2010
R32C/117 Group
5. Electrical Characteristics
Notes:
1.
Program/erase definition
This value represents the number of erasures per block.
If the flash memory is programmed/erased n times, each block can be erased n times.
i.e. If 4-word write is performed in 512 different addresses in the block A of 4 Kbyte and then the
block is erased, it is considered the programming/erasure is performed just once.
However a write in the same address more than once for one erasure is disabled (overwrite
disabled).
2.
The data retention time includes the periods when the supply voltage is not applied and no clock is
provided.
3.
Please contact a Renesas Electronics sales office regarding data retention time other than the
above.
Table 5.7
RAM Electrical Characteristics
(VCC = 3.0 to 5.5 V, VSS =0V, and Ta = Topr, unless otherwise noted)
Symbol
Characteristic
Measurement
condition
Value
Unit
Min.
Typ.
Max.
VRDR
RAM data retention voltage
in stop mode
2.0
V
Table 5.8
Flash Memory Electrical Characteristics
(VCC = 3.0 to 5.5 V, VSS =0V, and Ta = Topr, unless otherwise noted)
Symbol
Characteristic
Value
Unit
Min.
Typ.
Max.
Programming and erasure endurance of flash
memory (1)
Program area
1000
times
Data area
10000
times
4-word program time
Program area
150
900
s
Data area
300
1700
s
Lock bit-program time
Program area
70
500
s
Data area
140
1000
s
Block erasure time
4 Kbyte block
0.12
3.0
s
32 Kbyte block
0.17
3.0
s
64 Kbyte block
0.20
3.0
s
Data retention (2)
Ta = 55°C (3)
10
years
相关PDF资料
PDF描述
R5F64179HPFB 64-BIT, FLASH, MICROCONTROLLER, PQFP100
R5F64179NFD 64-BIT, FLASH, MICROCONTROLLER, PQFP144
R5F64179PFD 64-BIT, FLASH, MICROCONTROLLER, PQFP144
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