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參數(shù)資料
| 型號： | SP487E |
| 英文描述： | Enhanced Quad RS-485/RS-422 Line Drivers |
| 中文描述： | 增強四路RS-485/RS-422收發(fā)線驅動器 |
| 文件頁數(shù)： | 5/11頁 |
| 文件大小： | 111K |
| 代理商： | SP487E |
5
SP486E/487EDS/06 SP486E/487E Enhanced Quad RS-485/RS-422 Line Drivers Copyright 2000 Sipex Corporation
Figure 4. Driver Propagation Delays
0V
A
V
O
–V
O
3V
B
V
O
V
2
1
O
t
r
t
f
10%
90%
10%
90%
V
2
1
O
V
DIFF
= V(A) – V(B)
F = 1MHZ: t
r
1.5V
< 10ns: t
f
t
PLH
< 10ns
t
PHL
DI
1.5V
AC PARAMETERS
V
CC
= 5V
±
5%; typicals at 25
°
C; T
AMB
= 25
°
C unless otherwise noted.
PARAMETER
PROPAGATION DELAY
Driver Input to Output
MIN.
TYP.
MAX.
UNIT
CONDITIONS
R
= 54 Ohms, C
L1
= C
L2
=
100pF; Figure 2
Low to High (t
PLH
)
High to Low (t
)
Differential Skew (t
SKEW
)
Driver Rise Time (t
R
SP486E
SP487E
Driver Fall Time (t
F
)
SP486E
SP487E
DRIVER ENABLE
To Output High
20
20
40
40
5
60
60
15
ns
ns
ns
t
= t
- t
PHL
10% to 90%
20
20
ns
ns
90% to 10%
20
20
ns
ns
60
110
ns
C
L
= 100pF; Figures 3 and 5
(S
2
closed)
C
L
= 100pF; Figures 3 and 5
(S
1
closed)
To Output Low
60
115
ns
DRIVER DISABLE
From Output Low
60
130
ns
C
L
= 15pF; Figures 3 and 5
(S
1
closed)
C
L
= 15pF; Figures 3 and 5
(S
2
closed)
From Output High
60
130
ns
相關PDF資料 |
PDF描述 |
|---|---|
| SP487EEP | Enhanced Quad RS-485/RS-422 Line Drivers |
| SP487EET | Enhanced Quad RS-485/RS-422 Line Drivers |
| SP487ECP | Enhanced Quad RS-485/RS-422 Line Drivers |
| SP487ECT | Enhanced Quad RS-485/RS-422 Line Drivers |
| SP488ES | Quad RS-485/RS-422 Line Receivers |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| SP487ECP | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Enhanced Quad RS-485/RS-422 Line Drivers |
| SP487ECT | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Enhanced Quad RS-485/RS-422 Line Drivers |
| SP487EEP | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Enhanced Quad RS-485/RS-422 Line Drivers |
| SP487EET | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Enhanced Quad RS-485/RS-422 Line Drivers |
| SP487ES | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Quad RS-485/RS-422 Line Drivers |
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