17. Electrical Characteristics 17.1 DC Parameters" />
參數資料
型號: AT80C51RD2-SLSUM
廠商: Atmel
文件頁數: 60/81頁
文件大小: 0K
描述: IC 8051 MCU 5V SPI 20MHZ 44-PLCC
標準包裝: 972
系列: 80C
核心處理器: 8051
芯體尺寸: 8-位
速度: 40MHz
連通性: UART/USART
外圍設備: POR,PWM,WDT
輸入/輸出數: 32
程序存儲器類型: ROMless
RAM 容量: 1K x 8
電壓 - 電源 (Vcc/Vdd): 4.5 V ~ 5.5 V
振蕩器型: 內部
工作溫度: -40°C ~ 85°C
封裝/外殼: 44-PLCC
包裝: 管件
60
4113D–8051–01/09
AT80C51RD2
17. Electrical Characteristics
17.1
DC Parameters for Standard Voltage
T
A = 0°C to +70°C; VSS = 0V; VCC = 4.5V to 5.5V; F = 10 to 40 MHz
T
A = -40°C to +85°C; VSS = 0V; VCC =4.5V to 5.5V; F = 10 to 40 MHz
Table 17-1.
Absolute Maximum Ratings
C = commercial......................................................0
°C to 70°C
I = industrial ........................................................-40
°C to 85°C
Storage Temperature .................................... -65
°C to + 150°C
Voltage on V
CC to VSS (standard voltage) .........-0.5V to + 6.5V
Voltage on VCC to VSS (low voltage)..................-0.5V to + 4.5V
Voltage on Any Pin to VSS..........................-0.5V to VCC + 0.5V
Power Dissipation .............................................................. 1 W
Note:
Stresses at or above those listed under “Absolute
Maximum Ratings” may cause permanent damage to
the device. This is a stress rating only and functional
operation of the device at these or any other condi-
tions above those indicated in the operational sections
of this specification is not implied. Exposure to abso-
lute maximum rating conditions may affect device
reliability.
Power dissipation value is based on the maximum
allowable die temperature and the thermal resistance
of the package.
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
V
IL
Input Low Voltage
-0.5
0.2 V
CC - 0.1
V
IH
Input High Voltage except RST, XTAL1
0.2 V
CC + 0.9
V
CC + 0.5
V
IH1
Input High Voltage RST, XTAL1
0.7 V
CC
V
CC + 0.5
V
OL
Output Low Voltage, ports 1, 2, 3, 4 (6)
0.3
0.45
1.0
V
I
OL = 100 μA
(4)
I
OL = 1.6 mA
(4)
I
OL = 3.5 mA
(4)
V
OL1
Output Low Voltage, port 0, ALE, PSEN
(6)
0.3
0.45
1.0
V
I
OL = 200 μA
(4)
I
OL = 3.2 mA
(4)
I
OL = 7.0 mA
(4)
V
OH
Output High Voltage, ports 1, 2, 3, 4
V
CC - 0.3
V
CC - 0.7
V
CC - 1.5
V
I
OH = -10 μA
I
OH = -30 μA
I
OH = -60 μA
V
CC = 5V ± 10%
V
OH1
Output High Voltage, port 0, ALE, PSEN
V
CC - 0.3
V
CC - 0.7
V
CC - 1.5
V
I
OH = -200 μA
I
OH = -3.2 mA
I
OH = -7.0 mA
V
CC = 5V ± 10%
R
RST
RST Pull-down Resistor
50
200
(5)
250
k
Ω
I
IL
Logical 0 Input Current ports 1, 2, 3, 4 and 5
-50
μAV
IN = 0.45V
I
LI
Input Leakage Current
±10
μA
0.45V < V
IN < VCC
I
TL
Logical 1 to 0 Transition Current, ports 1, 2, 3, 4
-650
μAV
IN = 2.0 V
C
IO
Capacitance of I/O Buffer
10
pF
Fc = 3 MHz
TA = 25
°C
I
PD
Power-down Current
100
150
μA4.5V < V
CC < 5.5V
(3)
I
CCOP
Power Supply Current on normal mode
0.29 x Frequency (MHz) + 4
mA
V
CC = 5.5V
(1)
I
CCIDLE
Power Supply Current on idle mode
0.16 x Frequency (MHz) + 4
mA
V
CC = 5.5V
(2)
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