參數資料
型號: SP3485EP
英文描述: +3.3V Low Power Half-Duplex RS-485 Transceivers with 10Mbps Data Rate
中文描述: 3.3V低功耗半雙工RS - 485收發(fā)器數據速率高達10Mbps
文件頁數: 6/9頁
文件大?。?/td> 125K
代理商: SP3485EP
10/15/02
SP3481/3485 Low Power Half-Duplex RS485 Transceivers
6
Copyright 2000 Sipex Corporation
Figure 8. Driver Propagation Delay Waveforms
Figure 12. Receiver Enable and Disable Waveforms
Figure 11. Receiver Propagation Delay Waveforms
Figure 10. Driver Enable and Disable Timing Waveforms
0V
V
OH
t
PLH
t
PHL
V
OM
t
PHL
t
PLH
3V
V
OL
V
OH
1.5V
1.5V
INPUT
Y OUTPUT
V
OM
Z OUTPUT
V
OL
V
OM
V
OM
V
OM
=V
OH
+ V
OL
2
1.5V
0V
V
OH
t
PZH
0.25V
t
PHZ
V
OM
t
PZL
t
PLZ
3V
V
OL
V
CC
1.5V
1.5V
DE
OUTPUT
HIGH
V
OM
0.25V
0V
OUTPUT
LOW
V
OM
=V
OH
+ V
OL
2
1.5V
3V
0V
V
CC
t
RPLH
1.5V
t
RPHL
V
OM
V
OM
0V
1.5V
INPUT
OUTPUT
V
OM
=V
CC
2
NOTE 1:
The input pulse is supplied by a generator with the following characteristics:
PRR=250KHz, 50% duty cycle, t
< 6.0ns, Z
=50
.
NOTE 2:
C
L
includes probe and stray capacitance.
IN
1.5V
t
DO1
1.5V
t
DO2
3V
0V
OUT
50%
10%
50%
10%
90%
90%
t
TD
t
TD
2.0V
-2.0V
Figure 9. Driver Differential Output Delay and Transition
Time Waveforms
3V
0V
t
PRHZ
1.5V
t
PRZH
t
PRSH
1.5V
1.5V
10%
0V
V
OH
RE
OUTPUT
S1 is open
S2 is closed
S3 = 1.5V
3V
0V
t
PRLZ
1.5V
t
PRZL
t
PRSL
1.5V
1.5V
10%
V
CC
RE
OUTPUT
S1 is closed
S2 is open
S3 = -1.5V
V
OL
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相關代理商/技術參數
參數描述
SP3486 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:+3.3V Low Power Quad RS-485/RS-422 Line Drivers
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SP3486CT 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:+3.3V Low Power Quad RS-485/RS-422 Line Drivers
SP3486EP 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:+3.3V Low Power Quad RS-485/RS-422 Line Drivers
SP3486ET 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:+3.3V Low Power Quad RS-485/RS-422 Line Drivers