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參數(shù)資料
| 型號(hào)： | SP3223EH |
| 英文描述： | High Speed Intelligent +3.0V to +5.5V RS-232 Transceivers(高速，智能+3.0V 至 +5.5V RS-232收發(fā)器（2發(fā)2收）) |
| 中文描述： | 高速智能3.0V至5.5V的RS - 232收發(fā)器（高速，智能3.0V至5.5V的RS - 232接口收發(fā)器（2發(fā)2收）） |
| 文件頁數(shù)： | 11/24頁 |
| 文件大?。?/td> | 230K |
| 代理商： | SP3223EH |
SP3223EHDS/11
SP3223EH +3.0V to +5.5V RS-232 Transceivers
11
Copyright 2000 Sipex Corporation
The
SP3223EH
and
SP3243EH
drivers can
maintain high data rates over 460Kbps fully
loaded.
Figure 12
shows a loopback test circuit
used to test the RS-232 Drivers.
Figure 13
shows
the test results of the loopback circuit with all
three drivers active at 120Kbps with typical
RS-232 loads in parallel with 1000pF capacitors.
Figure 14
shows the test results where one driver
was active at 1Mbps and all three drivers loaded
Table 2. SHUTDOWN and EN Truth Tables
Note: In Auto-Online Mode where ONLINE = GND and
SHUTDOWN = V
, the device will shut down if there is
no activity present at the Receiver inputs.
Figure 12. Loopback Test Circuit for RS-232 Driver
Data Transmission Rates
with an RS-232 receiver in parallel with a 1000pF
capacitor. A superior RS-232 data transmission
rate of 1Mbps makes the
SP3223EH/3243EH
series an ideal match for high speed LAN and
personal computer peripheral applications.
Receivers
The receivers convert +5.0V EIA/TIA-232
levels to TTL or CMOS logic output levels. All
receivers have an inverting output that can be
disabled by using the EN pin.
Figure 13. Loopback Test Circuit 1 Driver Fully Loaded
Figure 14. Loopback Test Circuit
(All Drivers Fully Loaded)
H
E
3
2
2
3
P
S
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D
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O
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H
E
3
4
2
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2
T
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0
Z
h
g
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e
v
A
1
e
v
A
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A
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v
SP3223EH
2
4
6
5
3
7
19
GND
T
1
IN
T
X
IN
C1+
C1-
C2+
C2-
V+
V-
V
CC
0.1
μ
F
0.1
μ
F
0.1
μ
F
+
C2
C5
C1
+
+
C3
C4
+
+
0.1
μ
F
0.1
μ
F
TTINPUTS
+3V to +5V
18
SHUTDOWN
20
5K
R
1
OUT
5K
R
X
IN
R
X
OUT
OUTPUTS
EN
1
ONLINE
11STATUS
14
R
1
IN
T
X
OUT
T
1
OUT
V
CC
μ
P Supervisor
To
1000pF
1000pF
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SP3223EY | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
| SP3223EUEP | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
| SP3223EUCP | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
| SP3223EBCA | CABLE FLAT FLEX 4 .50MM 40 POS |
| SP3223EUCA | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SP3223EHCA | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:High Speed Intelligent +3.0V to +5.5V RS-232 Transceivers |
| SP3223EHCA-L | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述: |
| SP3223EHCP | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:High Speed Intelligent +3.0V to +5.5V RS-232 Transceivers |
| SP3223EHCY | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:High Speed Intelligent +3.0V to +5.5V RS-232 Transceivers |
| SP3223EHCY-L | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述: |
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