參數(shù)資料
型號： DS89C21TMX
元件分類： 收發(fā)器
英文描述： Transceiver
中文描述： 收發(fā)器
文件頁數(shù)： 2/48頁
文件大?。?/td> 934K
代理商： DS89C21TMX
DS89C430/DS89C44/DS89C450 Ultra-High-Speed Flash Microcontrollers
2 of 48
ABSOLUTE MAXIMUM RATINGS
Voltage Range on Any Pin Relative to Ground
Voltage Range on V
CC
Relative to Ground
Ambient Temperature Range (under bias)
Storage Temperature Range
Soldering Temperature
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only,
and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is
not implied. Exposure to the absolute maximum rating conditions for extended periods may affect device reliability.
DC ELECTRICAL CHARACTERISTICS
(V
CC
= 4.5V to 5.5V, T
O
= -40°C to +85°C.) (Note 1)
-0.3V to (V
CC
+ 0.5V)
-0.3V to +6.0V
-40°C to +85°C
-55°C to +125°C
See IPC/JEDEC J-STD-020A
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
Supply Voltage (Notes 2, 3)
V
CC
4.5
5.0
5.5
V
Power-Fail Warning (Notes 2, 4)
V
PFW
4.2
4.375
4.6
V
Reset Trip Point (Min Operating Voltage) (Notes 2, 3, 4)
V
RST
3.95
4.125
4.35
V
Supply Current, Active Mode (Note 5)
I
CC
75
110
A
Supply Current, Idle Mode at 33MHz (Note 6)
I
IDLE
40
50
A
Supply Current, Stop Mode, Bandgap Disabled (Note 7)
I
STOP
1
100
A
Supply Current, Stop Mode, Bandgap Enabled (Note 7)
I
SPBG
150
300
A
Input Low Level (Note 2)
V
IL
-0.3
+0.8
V
Input High Level (Note 2)
V
IH
2.0
V
CC
+ 0.3
V
Input High Level XTAL and RST (Note 2)
V
IH2
3.5
V
CC
+ 0.3
V
Output Low Voltage, Port 1 and 3 at I
OL
= 1.6mA (Note 2)
V
OL1
0.15
0.45
V
Output Low Voltage, Port 0 and 2, ALE,
PSEN
at I
OL
= 3.2mA
(Note 2)
V
OL2
0.15
0.45
V
Output High Voltage, Port 1, 2, and 3, at I
OH
= -50 A
(Notes 2, 8)
V
OH1
2.4
V
Output High Voltage, Port 1, 2, and 3 at I
OH
= -1.5mA (Notes 2, 9)
V
OH2
2.4
V
Output High Voltage, Port 0, 1, 2, ALE,
PSEN
,
RD
,
WR
in Bus
Mode at I
OH
= -8mA (Notes 2, 10)
V
OH3
2.4
V
Output High Voltage, RST at I
OL
= -0.4mA (Note 2, 11)
V
OH4
2.4
V
Input Low Current, Port 1, 2, and 3 at 0.4V
I
IL
-50
A
Transition Current from 1 to 0, Port 1, 2, and 3 at 2V (Note 12)
I
TL
-650
A
Input Leakage Current, Port 0 in I/O Mode and
EA
(Note 13)
I
L
-10
+10
A
Input Current, Port 0 in Bus Mode (Note 14)
I
L
-300
+300
A
RST Pulldown Resistance (Note 13)
R
RST
50
120
200
k
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