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參數(shù)資料
| 型號(hào)： | 89C4051 |
| 廠商： | Atmel Corp. |
| 英文描述： | 8-Bit Microcontroller with 4K Bytes Flash |
| 中文描述： | 8位4K字節(jié)閃存微控制器 |
| 文件頁數(shù)： | 10/15頁 |
| 文件大?。?/td> | 265K |
| 代理商： | 89C4051 |
AT89C4051
10
DC Characteristics
T
A
= -40°C to 85°C, V
CC
= 3.0V 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.
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
0.5
V
V
OH
Output High Voltage
(Ports 1, 3)
I
OH
= -80
μ
A, V
CC
= 5V
±
10%
I
OH
= -30
μ
A
I
OH
= -12
μ
A
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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