參數(shù)資料
型號: SP490CS
元件分類: RS-485
英文描述: Full Duplex RS-485 Transceivers
中文描述: 全雙工RS - 485接口收發(fā)器
文件頁數(shù): 4/12頁
文件大?。?/td> 83K
代理商: SP490CS
4
Date: 05/10/04
SP490/491 Full Duplex RS-485 Transceivers
Copyright 2004 Sipex Corporation
Figure 6. Driver Propagation Delays
+3V
0V
DE
5V
V
OL
A, B
0V
1.5V
1.5V
t
ZL
t
ZH
f = 1MHz; t
R
< 10ns; t
F
< 10ns
V
OH
A, B
2.3V
2.3V
t
LZ
t
HZ
0.5V
0.5V
Output normally LOW
Output normally HIGH
Figure 7. Driver Enable and Disable Times
Figure 8. Receiver Propagation Delays
+3V
0V
DI
B
A
DRIVER
OUTPUT
V
O
+
V
O
DIFFERENTIAL
OUTPUT
V
A
– V
B
0V
1.5V
1.5V
t
PLH
t
R
t
F
f = 1MHz; t
R
< 10ns; t
F
< 10ns
V
O
1/2V
O
1/2V
O
t
PHL
t
DPLH
t
DPHL
t
SKEW =
|
t
DPLH -
t
DPHL
|
V
OH
V
OL
R
1.5V
1.5V
t
PHL
f = 1MHz; t
R
< 10ns; t
F
< 10ns
OUTPUT
V
0D2
+
V
0D2
A – B
0V
0V
t
PLH
INPUT
t
SKEW =
|
t
PHL -
t
PLH
|
相關PDF資料
PDF描述
SP490EN Full Duplex RS-485 Transceivers
SP490ES Full Duplex RS-485 Transceivers
SP491 Full Duplex RS-485 Transceivers
SP491CN Full Duplex RS-485 Transceivers
SP491CS Full Duplex RS-485 Transceivers
相關代理商/技術參數(shù)
參數(shù)描述
SP490CS-L 功能描述:RS-422/RS-485 接口 IC RS485 5000 kbps temp 0C to 70C RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube
SP490E 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Enhanced Full Duplex RS-485 Transceivers
SP490ECN 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Enhanced Full Duplex RS-485 Transceivers
SP490ECN/TR 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述:
SP490ECN-L 功能描述:RS-485接口IC RS485 10000 kbps temp 0C to 70C RoHS:否 制造商:Texas Instruments 數(shù)據(jù)速率:250 Kbps 工作電源電壓:3.3 V 電源電流:750 uA 工作溫度范圍:- 40 C to + 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube