參數(shù)資料
型號： AT83C51RB2XXX-SLSIL
廠商： ATMEL CORP
元件分類： 微控制器/微處理器
英文描述： Microcontroller
中文描述： 8-BIT, MROM, 40 MHz, MICROCONTROLLER, PQCC44
封裝： PLASTIC, LCC-44
文件頁數(shù)： 65/81頁
文件大?。?/td> 1082K
代理商： AT83C51RB2XXX-SLSIL
66
AT80C51RD2/AT83C51Rx2
4113A–8051–09/02
E
lectrical Characteristics
Absolute Maximum Ratings
DC Parameters for
Standard Voltage
T
A
= 0
°
C to +70
°
C; V
SS
= 0V; V
CC
= 4.5V to 5.5V; F = 10 to 40 MHz
T
A
= -40
°
C to +85
°
C; V
SS
= 0V; V
CC
=4.5V to 5.5V; F = 10 to 40 MHz
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 V
SS
(standard voltage).........-0.5V to + 6.5V
Voltage on V
CC
to V
SS
(low voltage)..................-0.5V to + 4.5V
Voltage on Any Pin to V
SS
..........................-0.5V to V
CC
+ 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
V
IH
Input High Voltage except RST, XTAL1
0.2 V
CC
+ 0.9
V
CC
+ 0.5
V
V
IH1
Input High Voltage RST, XTAL1
0.7 V
CC
V
CC
+ 0.5
V
V
OL
Output Low Voltage, ports 1, 2, 3, 4
(6)
0.3
0.45
1.0
V
V
V
I
OL
= 100
μ
A
(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
V
V
I
OL
= 200
μ
A
(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
V
V
I
OH
= -10
μ
A
I
OH
= -30
μ
A
I
OH
= -60
μ
A
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
V
V
I
OH
= -200
μ
A
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
I
IL
Logical 0 Input Current ports 1, 2, 3, 4 and 5
-50
μ
A
V
IN
= 0.45V
I
LI
Input Leakage Current
±
10
μ
A
0.45V < V
IN
< V
CC
I
TL
Logical 1 to 0 Transition Current, ports 1, 2, 3, 4
-650
μ
A
V
IN
= 2.0 V
C
IO
Capacitance of I/O Buffer
10
pF
Fc = 3 MHz
T
A
= 25
°
C
I
PD
Power-down Current
100
150
μ
A
4.5V < 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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