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參數(shù)資料
| 型號： | SP488 |
| 英文描述： | Quad RS-485/RS-422 Line Receivers |
| 中文描述： | 四RS-485/RS-422收發(fā)線接收器 |
| 文件頁數(shù)： | 5/6頁 |
| 文件大小： | 81K |
| 代理商： | SP488 |
5
SP488/489
Quad RS-485/RS-422 Line Receivers
Copyright 2000 Sipex Corporation
AC PARAMETERS
V
CC
= 5V
±
5%; typicals at 25
°
C; 0
°
C
≤
T
A
≤
+70
°
C unless otherwise noted.
PARAMETER
PROPAGATION DELAY
Receiver Input to Output
Low to HIGH (tPLH)
High to LOW (tPH
)
Differential Receiver Skew (t
SKD
)
Receiver Rise Time (t
R
)
SP488
SP489
Receiver Fall Time (t
F
)
SP488
SP489
RECEIVER ENABLE
To Output HIGH
MIN.
TYP.
MAX.
UNIT
CONDITIONS
C
L
= 15pF; Figure 1, 3
120
120
13
250
250
ns
ns
ns
10% to 90%
30
30
70
70
ns
ns
90% to 10%
20
20
40
40
ns
ns
70
150
ns
C
= 15pF; Figures 2 and 4
(S2 closed)
CL = 15pF; Figures 2 and 4
(S1 closed)
To Output LOW
80
200
ns
RECEIVER DISABLE
From Output LOW
70
150
ns
CL = 15pF; Figures 2 and 4
(S1 closed)
CL = 15pF; Figures 2 and 4
(S2 closed)
From Output HIGH
70
150
ns
Figure 4. Receiver Enable/Disable Timing
3V
0V
5V
V
OL
V
OH
0V
Output normally low
F = 1MHZ: t
r
< 10ns: t
f
< 10ns
1.5V
t
ZL
t
LZ
EN
1.5V
1.5V
0.5V
1.5V
0.5V
Output normally high
RO
t
ZH
RO
t
HZ
Figure 3. Receiver Propagation Delays
F = 1MHZ: t
r
< 10ns: t
f
< 10ns
0V
t
PHL
t
PLH
V
OL
0V
1.5V
ROV
OH
1.5V
–V
OD
+V
OD
Input A–B
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SP488CS | Quad RS-485/RS-422 Line Receivers |
| SP488CT | Quad RS-485/RS-422 Line Receivers |
| SP489AEP | High Speed Quad RS-485/RS-422 Line Receivers |
| SP489AET | High Speed Quad RS-485/RS-422 Line Receivers |
| SP489A | High Speed Quad RS-485/RS-422 Line Receivers |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SP488A | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:High Speed Quad RS-485/RS-422 Line Receivers |
| SP488ACP | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:High Speed Quad RS-485/RS-422 Line Receivers |
| SP488ACT | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:High Speed Quad RS-485/RS-422 Line Receivers |
| SP488AEP | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:High Speed Quad RS-485/RS-422 Line Receivers |
| SP488AET | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:High Speed Quad RS-485/RS-422 Line Receivers |
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