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參數(shù)資料
| 型號： | T89C51RD2-RLRIM |
| 廠商： | TEMIC SEMICONDUCTORS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 0 to 40 MHz Flash Programmable 8-bit Microcontroller |
| 中文描述： | 8-BIT, FLASH, 40 MHz, MICROCONTROLLER, PQFP44 |
| 封裝： | 1.40 MM, VQFP-44 |
| 文件頁數(shù)： | 85/104頁 |
| 文件大?。?/td> | 798K |
| 代理商： | T89C51RD2-RLRIM |
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85
T89C51RD2
4243G
–
8051
–
05/03
Figure 35.
I
CC
Test Condition, Power-Down Mode
Figure 36.
Clock Signal Waveform for I
CC
Tests in Active and Idle Modes
AC Parameters
Explanation of the AC
Symbols
Each timing symbol has 5 characters. The first character is always a
“
T
”
(stands for
time). The other characters, depending on their positions, stand for the name of a signal
or the logical status of that signal. The following is a list of all the characters and what
they stand for.
Example:T
AVLL
= Time for Address Valid to ALE Low.
T
LLPL
= Time for ALE Low to PSEN Low.
T
A
= 0 to +70
°
C; V
SS
= 0 V; V
CC
= 5 V
±
10%; M range.
T
A
= -40
°
C to +85
°
C; V
SS
= 0 V; V
CC
= 5 V
±
10%; M range.
T
A
= 0 to +70
°
C; V
SS
= 0 V; 2.7 V < V
CC
< 3.3 V; L range.
T
A
= -40
°
C to +85
°
C; V
SS
= 0 V; 2.7 V < V
CC
< 3.3 V; L range.
AC characteristics of -M parts at 3 volts are similar to -L parts
(Load Capacitance for port 0, ALE and PSEN = 100 pF; Load Capacitance for all other
outputs = 80 pF.)
Table 44, Table 48 and Table 50 give the description of each AC symbols.
Table 46, Table 49 and Table 51 give for each range the AC parameter.
Table 47, Table 50 and Table 52 give the frequency derating formula of the AC parame-
ter for each speed range description. To calculate each AC symbols. take the x value in
the correponding column (-M or -L) and use this value in the formula.
Example: T
LLIU
for -M and 20 MHz, Standard clock.
x = 35 ns
T = 50 ns
T
CCIV
= 4T - x = 165 ns
V
CC
-0.5V
0.45V
T
CHCL
0.7V
CC
0.2V
CC
-0.1
T
CLCH
T
CLCH
= T
CHCL
= 5ns.
RST
EA
XTAL2
XTAL1
V
SS
V
CC
V
CC
I
CC
(NC)
P0
V
CC
All other pins are disconnected.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| T89C51RD2-RLTCL | 0 to 40 MHz Flash Programmable 8-bit Microcontroller |
| T89C51RD2-RLTCM | 0 to 40 MHz Flash Programmable 8-bit Microcontroller |
| T89C51RD2-RLTIL | 0 to 40 MHz Flash Programmable 8-bit Microcontroller |
| T89C51RD2-RLTIM | 0 to 40 MHz Flash Programmable 8-bit Microcontroller |
| T89C51RD2-RLVCL | 0 to 40 MHz Flash Programmable 8-bit Microcontroller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| T89C51RD2-RLRI-M | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:0 to 40MHz Flash Programmable 8-bit Microcontroller |
| T89C51RD2-RLSC-L | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:0 to 40MHz Flash Programmable 8-bit Microcontroller |
| T89C51RD2-RLSC-M | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:0 to 40MHz Flash Programmable 8-bit Microcontroller |
| T89C51RD2-RLSI-L | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:0 to 40MHz Flash Programmable 8-bit Microcontroller |
| T89C51RD2-RLSI-M | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:0 to 40MHz Flash Programmable 8-bit Microcontroller |
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