參數(shù)資料
型號： SP3493EN
英文描述： +3.3V Low Power Slew Rate Limited RS-485/RS-422 Transceivers
中文描述： 3.3V低功耗轉(zhuǎn)換率受限的RS-485/RS-422收發(fā)器
文件頁數(shù)： 7/11頁
文件大?。?/td> 131K
代理商： SP3493EN
7
10/16/02
SP3493/3494 +3.3V Low Power Slew-Rate Limited RS-485/RS-422 Transceivers
Copyright 2002 Sipex Corporation
INPUTS
OUTPUTS
LINE
RE
X
X
X
DE
1
1
0
DI CONDITION
1
No Fault
0
No Fault
X
B
0
1
Z
A
1
0
Z
X
INPUTS
RE
0
0
0
1
Table 2. Receive Function Truth Table
OUTPUTS
R
1
0
1
Z
DE
0
0
0
0
A - B
+0.2V
-0.2V
Inputs Open
X
Table 1. Transmit Function Truth Table
Figure 1. Driver DC Test Load Circuit
Figure 7. Receiver Enable and Disable Timing Circuit
R
R
V
OC
D
V
CC
V
OD
GENERATOR
50
V
CC
S1
V
DM
R
L
= 27
OUT
L
= 15pF
C
V
OM
= V
OH
+ V
OL
D
GENERATOR
50
S1
R
L
= 110
OUT
L
= 50pF
C
V
OM
= V
OH
+ V
OL
D
GENERATOR
50
S1
R
L
= 110
OUT
L
= 50pF
C
D
0V OR 3V
V
CC
GENERATOR
50
1.5V
0V
V
ID
R
OUT
L
= 15pF
C
OM
= V
CC
V
1.5V
-1.5V
S3
V
ID
GENERATOR
50
L
= 15pF
C
R
1k
S1
S2
V
CC
Figure 5. Driver Enable and Disable Timing Circuit,
Output LOW
GENERATOR
50
C
L
OUT
D
V
CC
R
L
=
60
C
L
= 15pF (NOTE 2)
Figure 3. Driver Differential Output Delay and
Transition Time Circuit
Figure 2. Driver Propagation Delay Test Circuit
Figure 6. Receiver Propagation Delay Test Circuit
Figure 4. Driver Enable and Disable Timing Circuit,
output HiGH
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相關代理商/技術參數(shù)
參數(shù)描述
SP3493EP 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:+3.3V Low Power RS-485/RS-422 Transceivers
SP3494 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:+3.3V Low Power RS-485/RS-422 Transceivers
SP3494CN 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:+3.3V Low Power RS-485/RS-422 Transceivers
SP3494CN/TR 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述:
SP3494CN-L 功能描述:RS-422接口集成電路 3.3V Slew Ltd RS485/ RS422 2.5Mbps Half RoHS:否 制造商:Texas Instruments 數(shù)據(jù)速率: 工作電源電壓:5 V 電源電流:35 mA 工作溫度范圍: 安裝風格:Through Hole 封裝 / 箱體:PDIP-16 封裝:Tube
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