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| 型號： | ST75C540PQFP |
| 英文描述： | Telecommunication IC |
| 中文描述： | 通信集成電路 |
| 文件頁數(shù)： | 5/16頁 |
| 文件大小： | 437K |
| 代理商： | ST75C540PQFP |
ST75C185
5/16
RECEIVER ELECTRICAL CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE
(V
DD
= 12V, V
SS
= -12V, V
CC
= 5V ± 10%, unless otherwise specified)
All typical values are at TA = 25°C
NOTE 6: Hysteresis is the difference between the positive going input threshold voltage, V
T+
, and the negative going input threshold voltage
V
NOTE 7: If the inputs are left unconnected, the receiver interprets this as an input low, and the receiver outputs will remain in the high state.
RECEIVER SWITCHING CHARACTERISTICS
(V
DD
= 12V, V
SS
= -12V, V
CC
= 5V ± 10% T
A
= 25°C)
NOTE 8: The receiver ignores any positive or negative going pulse that is less than the minimum value of t
W(N)
and accepts any positive or negative going
pulse greater than the maximum of t
W(N)
.
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
-) (Note 6)
High Level Output Voltage (Note 7)
(See Figure 6)
(See Figure 6)
1.6
0.65
0.6
3.5
2.1
1
1.1
4.8
2.55
1.25
V
V
V
V
I
OH
= 0.75 mA or Input Open
I
OH
= -1 mA (See Figure 6)
V
I
= 3 V
I
OL
= 3.2 mA
(See Figure 6)
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
= 0.75 V
V
O
= 0 V
(See Figure 5)
V
I
= V
CC
V
O
= V
CC
(See Figure 5)
V
OL
Low Level Output Voltage
0.2
0.4
V
I
IH
High Level Input Current
3.6
0.43
-3.6
-0.4
4.5
0.55
-4.4
-0.55
-13
8.3
1
-8.3
-1
-30
mA
I
IL
Low Level Input Current
mA
I
OS(H)
Short-Circuit Output Current at High
Level
Short-Circuit Output Current at Low
Level
mA
I
OS(L)
35
60
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
Pulse Duration of longest pulse
rejection as noise (Note 8)
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)
R
L
= 5 K
(See Figure 6)
C
L
= 50 pF
3.2
4
μs
t
PHL
C
L
= 50 pF
2.6
4
μs
t
TLH
C
L
= 50 pF
30
100
ns
t
THL
C
L
= 50 pF
10
50
ns
t
W(N)
C
L
= 50 pF
1
2.3
4
μs
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