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| 型号： | R5F21258SDXXXFP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP52 |
| 封装： | 10 X 10 MM, 0.65 MM PITCH, PLASTIC, LQFP-52 |
| 文件页数： | 21/59页 |
| 文件大小： | 528K |
| 代理商： | R5F21258SDXXXFP |
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R8C/24 Group, R8C/25 Group
5. Electrical Characteristics
Rev.3.00
Feb 29, 2008
Page 28 of 51
REJ03B0117-0300
NOTES:
1.
VCC = 2.7 to 5.5 V at Topr = 0 to 60
°C, unless otherwise specified.
2.
Definition of programming/erasure endurance
The programming and erasure endurance is defined on a per-block basis.
If the programming and erasure endurance is n (n = 100 or 10,000), each block can be erased n times. For example, if 1,024
1-byte writes are performed to block A, a 1 Kbyte block, and then the block is erased, the programming/erasure endurance
still stands at one.
However, the same address must not be programmed more than once per erase operation (overwriting prohibited).
3.
Endurance to guarantee all electrical characteristics after program and erase. (1 to Min. value can be guaranteed).
4.
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 128 groups
before erasing them all in one operation. It is also advisable to retain data on the erase count of each block and limit the
number of erase operations to a certain number.
5.
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.
6.
Customers desiring program/erase failure rate information should contact their Renesas technical support representative.
7.
The data hold time includes time that the power supply is off or the clock is not supplied.
Table 5.4
Flash Memory (Program ROM) Electrical Characteristics
Symbol
Parameter
Conditions
Standard
Unit
Min.
Typ.
Max.
Program/erase endurance(2)
R8C/24 Group
times
R8C/25 Group
1,000(3)
times
Byte program time
50
400
s
Block erase time
0.4
9
s
td(SR-SUS)
Time delay from suspend request until
suspend
97+CPU clock
× 6 cycles
s
Interval from erase start/restart until
following suspend request
650
s
Interval from program start/restart until
following suspend request
0
ns
Time from suspend until program/erase
restart
3+CPU clock
× 4 cycles
s
Program, erase voltage
2.7
5.5
V
Read voltage
2.2
5.5
V
Program, erase temperature
0
60
°C
Data hold time(7)
Ambient temperature = 55
°C20
year
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相关代理商/技术参数 |
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|---|---|
| R5F21258SNFP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:RENESAS 16-BIT SINGLE-CHIP MCU R8C FAMILY / R8C/2x SERIES |
| R5F21258SNFP#U0 | 制造商:Renesas Electronics Corporation 功能描述:MCU 16-Bit R8C CISC 64KB Flash 3.3V/5V 52-Pin LQFP Tray 制造商:Renesas Electronics Corporation 功能描述:MCU 16BIT R8C CISC 64KB FLASH 3.3V/5V 52LQFP - Trays 制造商:Renesas Electronics Corporation 功能描述:16BIT CISC R8C 制造商:Renesas Electronics 功能描述:M16C 20MHz Bulk 制造商:Renesas Electronics Corporation 功能描述:IC R8C/25 MCU FLASH 52LQFP 制造商:Renesas Electronics Corporation 功能描述:IC MCU 16BIT R8C/25 52LQFP 制造商:Renesas Electronics Corporation 功能描述:IC, MCU, 16BIT, R8C/25, 52LQFP 制造商:Renesas Electronics Corporation 功能描述:R8C Series 16 bit 3 kB RAM 64 kB Flash Microcontroller SMT - LQFP-52 制造商:Renesas Electronics Corporation 功能描述:IC 16BIT MCU M16C/R8C/TINY 20MHZ LQFP-52; Controller Family/Series:R8C/2x; Core Size:16bit; No. of I/O's:41; Supply Voltage Min:3V; Supply Voltage Max:5.5V; Digital IC Case Style:LQFP; No. of Pins:52; Program Memory Size:64KB ;RoHS Compliant: Yes 制造商:Renesas 功能描述:MCU 16-Bit R8C CISC 64KB Flash 3.3V/5V 52-Pin LQFP Tray |
| R5F21258SNFP#V0 | 功能描述:IC R8C/25 MCU FLASH 52LQFP RoHS:是 类别:集成电路 (IC) >> 嵌入式 - 微控制器， 系列:R8C/2x/25 标准包装:250 系列:56F8xxx 核心处理器:56800E 芯体尺寸:16-位 速度:60MHz 连通性:CAN，SCI，SPI 外围设备:POR，PWM，温度传感器，WDT 输入/输出数:21 程序存储器容量:40KB（20K x 16） 程序存储器类型:闪存 EEPROM 大小:- RAM 容量:6K x 16 电压 - 电源 (Vcc/Vdd):2.25 V ~ 3.6 V 数据转换器:A/D 6x12b 振荡器型:内部 工作温度:-40°C ~ 125°C 封装/外壳:48-LQFP 包装:托盘 配用:MC56F8323EVME-ND - BOARD EVALUATION MC56F8323 |
| R5F21258SNFP#V2 | 制造商:Renesas Electronics Corporation 功能描述:R8C/24 64+2/2.5 52LQFP 10X10 - 制造商:Renesas Electronics Corporation 功能描述:R8C/24 64+2/2.5 52LQFP 10X10 -20 TO +85 - Trays 制造商:Renesas Electronics Corporation 功能描述:MCU 16BIT 64KB FLASH 52LQFP |
| R5F21258SNFP#W4 | 制造商:Renesas Electronics Corporation 功能描述:MCU 16-bit R8C CISC 64KB Flash 3.3V/5V 52-Pin LQFP T/R |
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