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| 型號： | R5F21294SDSP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PDSO20 |
| 封裝： | 4.40 X 6.50 MM, 0.65 MM PITCH, PLASTIC, LSSOP-20 |
| 文件頁數(shù)： | 20/63頁 |
| 文件大小： | 612K |
| 代理商： | R5F21294SDSP |
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R8C/28 Group, R8C/29 Group
5. Electrical Characteristics
Rev.2.10
Sep 26, 2008
Page 25 of 67
REJ03B0169-0210
NOTES:
1. VCC = 2.7 to 5.5 V at Topr = -20 to 85
°C (N version) / -40 to 85°C (D version), 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 = 10,000), each block can be erased n times. For example, if 1,024 1-byte
writes are performed to different addresses in 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. Standard of block A and block B when program and erase endurance exceeds 1,000 times. Byte program time to 1,000 times
is the same as that in program ROM.
5. 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. In addition, averaging the erasure endurance between blocks A and B can further
reduce the actual erasure endurance. It is also advisable to retain data on the erasure endurance of each block and limit the
number of erase operations to a certain number.
6. 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.
7. Customers desiring program/erase failure rate information should contact their Renesas technical support representative.
8. -40
°C for D version.
9. The data hold time includes time that the power supply is off or the clock is not supplied.
Table 5.5
Flash Memory (Data flash Block A, Block B) Electrical Characteristics(4)
Symbol
Parameter
Conditions
Standard
Unit
Min.
Typ.
Max.
Program/erase endurance(2)
10,000(3)
times
Byte program time
(program/erase endurance
≤ 1,000 times)
50
400
s
Byte program time
(program/erase endurance
> 1,000 times)
65
s
Block erase time
(program/erase endurance
≤ 1,000 times)
0.2
9
s
Block erase time
(program/erase endurance
> 1,000 times)
0.3
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
-20(8)
85
°C
Data hold time(9)
Ambient temperature = 55
°C20
year
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| R5F21294SDSP#U0 | 制造商:Renesas Electronics Corporation 功能描述:MCU 16BIT R8C CISC 16KB FLASH 3.3V/5V 20PIN LSSOP - Rail/Tube 制造商:Renesas Electronics Corporation 功能描述:IC MCU 16BIT 16KB FLASH 20LSSOP |
| R5F21294SDXXXSP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:RENESAS 16-BIT SINGLE-CHIP MCU R8C FAMILY / R8C/2x SERIES |
| R5F21294SNSP | 制造商:Renesas Electronics Corporation 功能描述:Microcontroller,R8C/29,ROM 18K |
| R5F21294SNSP#U0 | 制造商:Renesas Electronics Corporation 功能描述:MCU 16-Bit R8C CISC 16KB Flash 5V 20-Pin LSSOP 制造商:Renesas Electronics Corporation 功能描述:MCU 16BIT R8C CISC 16KB FLASH 3.3V/5V 20PIN LSSOP - Rail/Tube 制造商:Renesas Electronics 功能描述:MCU 16-Bit R8C CISC 16KB Flash 5V 20-Pin LSSOP Tray 制造商:Renesas Electronics Corporation 功能描述:IC MCU 16BIT R8C/29 20SSOP 制造商:Renesas Electronics Corporation 功能描述:MCU 16-bit R8C CISC 16KB Flash 5V 20-Pin LSSOP 制造商:Renesas 功能描述:MCU 16-Bit R8C CISC 16KB Flash 5V 20-Pin LSSOP |
| R5F21294SNSP#V0 | 功能描述:MCU 3/5V 16K+2K 20PIN-SSOP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:R8C/2x/29 標(biāo)準(zhǔn)包裝:250 系列:80C 核心處理器:8051 芯體尺寸:8-位 速度:16MHz 連通性:EBI/EMI，I²C，UART/USART 外圍設(shè)備:POR，PWM，WDT 輸入/輸出數(shù):40 程序存儲器容量:- 程序存儲器類型:ROMless EEPROM 大小:- RAM 容量:256 x 8 電壓 - 電源 (Vcc/Vdd):4.5 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 8x10b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:68-LCC（J 形引線） 包裝:帶卷 (TR) |
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