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參數(shù)資料
| 型號(hào)： | ST34C87 |
| 廠商： | Exar Corporation |
| 英文描述： | QUAD RS-422 CMOS Differential Line Driver |
| 中文描述： | 四的RS - 422的CMOS差分線路驅(qū)動(dòng)器 |
| 文件頁(yè)數(shù)： | 3/8頁(yè) |
| 文件大?。?/td> | 72K |
| 代理商： | ST34C87 |
ST34C87
3
Rev. 1.01
AC ELECTRICAL CHARACTERISTICS
Test Conditions: -40
°
C - +85
°
C, V
CC
= 5.0V + 10% unless otherwise specified.
Symbol
Parameter
Min.
Typ.
Max.
Unit
Conditions
T
1
Propagation Delay, Input to
Output
Differential Output Rise and Fall
Time
Output Enable Time
8
10
ns
S1 open
T
2
8
10
ns
S1 open
T
3
T
4
T
51
18
20
ns
S1 close
Output Disable Time
18
20
ns
S1 close
Skew
2
ns
S1 open
Note:
1
Skew is defined as the difference in propagation delays between complementary outputs at the 50% point.
DC ELECTRICAL CHARACTERISTICS
Test Conditions: T
A
= -40
°
C - +85
°
C, V
CC
= 5.0V + 10% unless otherwise specified.
Symbol
Parameter
Min.
Typ.
Max.
Unit
Conditions
I
IN
I
CC
I
OZ
V
IH
V
IL
V
OH
V
OL
V
OS
V
OC
V
OD
Input Current
+
1.0
A
Operating Current
600
A
Three-State Output Leakage
+2.0
A
Input High Level
2.0
V
Input Low Level
0.8
V
Output High Level
2.5
V
Output Low Level
0.5
V
Differential Output Level
2.0
V
R
L
=100
R
L
=100
R
L
=100
Common Mode Output Voltage
3.0
V
Difference in Common Mode
Output
Input Capacitance
0.4
C
IN
C
PD
I
OS
I
OFF
7
10
15
pF
Power Dissipation Capacitance
100
pF
Output Short Current
-200
-30
mA
V
I
N
=V
CC
or GND
V
OUT
=6V
Output Leakage Current Power
Off
100
A
-100
A
V
OUT
=0.25V
I
DC
Output Current
+150
mA
Specifications are subject to change without notice
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