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參數(shù)資料
| 型號： | 89C1051 |
| 文件頁數(shù)： | 9/12頁 |
| 文件大?。?/td> | 151K |
| 代理商： | 89C1051 |
AT89C1051
4-11
Absolute Maximum Ratings
DC Characteristics
T
A
= -40°C to 85°C, V
CC
= 2.7V to 6.0V (unless otherwise noted)
Notes:
1. Under steady state (non-transient) conditions, I
OL
must be externally limited as follows:
Maximum I
OL
per port pin: 20 mA
Maximum total I
OL
for all output pins: 80 mA
If I
OL
exceeds the test condition, V
OL
may exceed the related specification. Pins are not guaranteed to sink current greater
than the listed test conditions.
2. Minimum V
CC
for Power Down is 2V.
Operating Temperature........................-55°C to +125°C
*NOTICE:
Stresses beyond those listed under “Absolute
Maximum Ratings” may cause permanent dam-
age to the device. This is a stress rating only and
functional operation of the device at these or any
other conditions beyond those indicated in the
operational sections of this specification is not
implied. Exposure to absolute maximum rating
conditions for extended periods may affect device
reliability.
Storage Temperature ...........................-65°C to +150°C
Voltage on Any Pin
with Respect to Ground...........................-1.0V to +7.0V
Maximum Operating Voltage...................................6.6V
DC Output Current ............................................25.0 mA
Symbol
Parameter
Condition
Min
Max
Units
V
IL
Input Low Voltage
-0.5
0.2 V
CC
- 0.1
V
V
IH
Input High Voltage
(Except XTAL1, RST)
0.2 V
CC
+ 0.9
V
CC
+ 0.5
V
V
IH1
Input High Voltage
(XTAL1, RST)
0.7 V
CC
V
CC
+ 0.5
V
V
OL
Output Low Voltage
(1)
(Ports 1, 3)
I
OL
= 20 mA, V
CC
= 5V
I
OL
= 10 mA, V
CC
= 2.7V
I
OH
= -80
μ
A, V
CC
= 5V
±
10%
I
OH
= -30
μ
A
I
OH
= -12
μ
A
0.50
V
V
OH
Output High Voltage
(Ports 1, 3)
2.4
V
0.75 V
CC
V
0.9 V
CC
V
I
IL
Logical 0 Input Current
(Ports 1, 3)
V
IN
= 0.45V
-50
μ
A
I
TL
Logical 1 to 0 Transition
Current (Ports 1, 3)
V
IN
= 2V, V
CC
= 5V
±
10%
-750
μ
A
I
LI
Input Leakage Current
(Port P1.0, P1.1)
0 < V
IN
< V
CC
±
10
μ
A
V
OS
Comparator Input Offset
Voltage
V
CC
= 5V
20
mV
V
CM
Comparator Input Common
Mode Voltage
0
V
CC
V
RRST
Reset Pulldown Resistor
50
300
K
C
IO
Pin Capacitance
Test Freq. = 1 MHz, T
A
= 25°C
10
pF
I
CC
Power Supply Current
Active Mode, 12 MHz, V
CC
= 6V/3V
15/5.5
mA
Idle Mode, 12 MHz, V
CC
= 6V/3V P1.0 &
P1.1 = 0V or V
CC
5/1
mA
Power Down Mode
(2)
V
CC
= 6V P1.0 & P1.1 = 0V or V
CC
100
μ
A
V
CC
= 3V P1.0 & P1.1 = 0V or V
CC
20
μ
A
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