參數(shù)資料
型號： ST75285C
廠商： 意法半導(dǎo)體
元件分類： 汽車用保險絲
英文描述： Automotive Fuse; Current Rating:50A; Voltage Rating:32V; Fuse Type:Time Delay; Body Material:Plastic; Fuse Terminals:Blade; Length:34.29mm; Series:299; Voltage Rating:32V; Fuse Size/Group:34.29 x 29.21 x 8.85mm RoHS Compliant: Yes
中文描述： 多重的RS - 232驅(qū)動器和接收
文件頁數(shù)： 5/13頁
文件大小： 300K
代理商： ST75285C
ST75285
5/13
DRIVER SWITCHING CHARACTERISTICS
(V
DD
= 12V, V
SS
= -12V, V
CC
= 5V, T
A
= 25 °C)
NOTE 6: Measured between -3V and 3V points of output waveform (EIA-232-E conditions), all unused inputs are tied.
RECEIVER ELECTRICAL CHARACTERISTICS OVER OPERATING CONDITIONS
All typical values are at TA = 25°C, VCC = 5V, VDD = 9V and VSS=-9V
RECEIVER SWITCHING CHARACTERISTICS
(V
DD
= 12V, V
SS
= -12V, V
CC
= 5V T
A
= 25°C)
Symbol
Parameter
Test Conditions
Value
Unit
Min.
Typ.
Max.
t
PLH
Propagation Delay Time, Low to High
Level Output
Propagation Delay Time, High to Low
Level Output
Transition Time Low to High Level
Output
R
L
= 3 to 7 K
C
L
= 15 pF
(See Figure 3, 4)
R
L
= 3 to 7 K
C
L
= 15 pF
(See Figure 3, 4)
R
L
= 3 to 7 K
C
L
= 15 pF
(See Figure 3, 4)
R
L
= 3 to 7 K
C
L
= 2500 pF
(Note 6, See Figure 3, 4)
R
L
= 3 to 7 K
C
L
= 15 pF
(See Figure 3, 4)
R
L
= 3 to 7 K
C
L
= 2500 pF
(Note 6, See Figure 3, 4)
200
400
ns
t
PHL
50
100
ns
t
TLH
60
100
ns
1.7
2.5
μ
s
t
THL
Transition Time High to Low Level
Output
50
100
ns
1.5
2.5
μ
s
Symbol
Parameter
Test Conditions
Value
Unit
Min.
Typ.
Max.
V
T+
V
T-
V
hys
V
OH
Positive Going Threshold Voltage
Negative Going Threshold Voltage
Input Hysteresis (V
T+
- V
T-
)
High Level Output Voltage
(See Figure 6)
T
A
= 25 °C (See Figure 6)
2.2
0.97
2.4
V
V
V
V
0.75
0.5
2.6
2.6
I
OH
= -0.5mA
V
IH
= 0.75 V
Inputs Open
I
OL
= 10 mA
4
5
V
OL
I
IH
Low Level Output Voltage
High Level Input Current
V
I
= 3 V
V
I
= 25 V (See Figure 6)
V
I
= 3 V
(See Figure 6)
V
I
= -25 V (See Figure 6)
V
I
= -3 V
(See Figure 6)
V
I
= 0 V
V
O
= 0 V
(See Figure 5)
0.2
0.45
8.3
V
3.6
0.43
-3.6
-0.43
mA
I
IL
Low Level Input Current
-8.3
mA
I
OS
Short-Circuit Output Current
-3.4
-12
mA
Symbol
Parameter
Test Conditions
Value
Unit
Min.
Typ.
Max.
t
PLH
Propagation Delay Time Low to High
Level Output
Propagation Delay Time High to Low
Level Output
Transition Time Low to High Level
Output
Transition Time High to Low Level
Output
R
L
= 5 K
(See Figure 6)
R
L
= 5 K
(See Figure 6)
R
L
= 5 K
(See Figure 6)
R
L
= 5 K
(See Figure 6)
C
L
= 50 pF
200
500
ns
t
PHL
C
L
= 50 pF
60
120
ns
t
TLH
C
L
= 50 pF
200
525
ns
t
THL
C
L
= 50 pF
20
60
ns
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