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參數(shù)資料
| 型號： | SP3243UEY |
| 元件分類： | RS-232 |
| 英文描述： | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
| 中文描述： | 5V的高速RS - 232收發(fā)器與0.1uF電容 |
| 文件頁數(shù)： | 11/24頁 |
| 文件大?。?/td> | 288K |
| 代理商： | SP3243UEY |
Date: 5/25/04
SP3223U/3243U +3.0V to +5.5V RS-232 Transceivers
11
Copyright 2004 Sipex Corporation
Figure 17 shows a loopback test circuit used to
test the RS-232 Drivers. Figure 18 shows the test
results where one driver was active at 1Mbps and
all three drivers loaded with an RS-232 receiver
in parallel with a 250pF capacitor. Figure 19
shows the test results of the loopback circuit with
all drivers active at 250kbps with typical
RS-232 loads in parallel with 1000pF capacitors. A
superior RS-232 data transmission rate of 1Mbps
makes the SP3223U/3243U series an ideal match
Table 2. SHUTDOWN and EN Truth Tables
Note: In AUTO ON-LINE
Mode where ONLINE =
GND and SHUTDOWN = V
, the device will shut down
if there is no activity present at the Receiver inputs.
Figure 17. Loopback Test Circuit for RS-232 Driver
Data Transmission Rates
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. The
SP3223U receivers have an inverting output that
can be disabled by using the EN pin.
Figure 18. Loopback Test results at 1Mbps
Figure 19. Loopback Test results at 250Kbps
U
3
2
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SP3223U
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
SHUTDOWN
5k
R
1
OUT
5k
R
X
IN
R
X
OUT
OUTPUTS
EN *
ONLINE
R
1
IN
T
X
OUT
T
1
OUT
STATUS
V
CC
μ
P Supervisor
To
1000pF
1000pF
*
SP3223EU Only
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| SP3243UEY/TR | 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 |
| SP3244E | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:3.0V to 5.5V RS-232 Transceivers with Auto On-Line㈢ Plus |
| SP3244ECA-L | 功能描述:RS-232接口集成電路 Int. +3V to +5.5V RS232 RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| SP3244ECA-L/TR | 功能描述:RS-232接口集成電路 Int. +3V to +5.5V RS232 RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| SP3244ECY-L | 功能描述:RS-232接口集成電路 Int. +3V to +5.5V RS232 RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
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