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SP3243EUCT-L/TR

更新时间： 2024-11-27 06:13:07
品牌 Logo 应用领域
艾科嘉 - EXAR 驱动器
页数 文件大小 规格书
24页 1095K
描述
3 Driver/5 Receiver Intelligent +3.0V to +5.5V RS-232 Transceivers

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SP3243EUCT-L/TR 数据手册

 浏览型号SP3243EUCT-L/TR的Datasheet PDF文件第2页浏览型号SP3243EUCT-L/TR的Datasheet PDF文件第3页浏览型号SP3243EUCT-L/TR的Datasheet PDF文件第4页浏览型号SP3243EUCT-L/TR的Datasheet PDF文件第5页浏览型号SP3243EUCT-L/TR的Datasheet PDF文件第6页浏览型号SP3243EUCT-L/TR的Datasheet PDF文件第7页 
SP3243E  
3 Driver/5 Receiver Intelligent +3.0V to +5.5V  
RS-232 Transceivers  
FEATURES  
1
2
3
4
5
6
7
28  
27  
26  
C2+  
C2-  
C1+  
V+  
■ Meets true EIA/TIA-232-F Standards  
from a +3.0V to +5.5V power supply  
■ Interoperable with EIA/TIA-232 and  
adheres to EIA/TIA-562 down to a +2.7V  
power source  
V
CC  
V-  
25 GND  
R1IN  
R2IN  
R3IN  
24  
C1-  
■ AUTO ON-LINE® circuitry automatically  
wakes up from a 1µA shutdown  
■ Regulated Charge Pump Yields Stable  
RS-232 Outputs Regardless of VCC  
Variations  
SP3243E  
23  
ONLINE  
22  
21  
20  
19  
R4IN  
SHUTDOWN  
STATUS  
R2OUT  
8
9
R5IN  
T1OUT  
T2OUT  
T3OUT  
10  
11  
R1OUT  
■ Enhanced ESD Specifications:  
+15kV Human Body Model  
18 R2OUT  
T3IN 12  
17  
16  
15  
R3OUT  
R4OUT  
R5OUT  
+15kV IEC1000-4-2 Air Discharge  
+8kV IEC1000-4-2 Contact Discharge  
■ 250 Kbps min. transmission rate (EB)  
■ 1000 Kbps min. transmission rate (EU)  
■ Ideal for High Speed RS-232 Applications  
13  
14  
T2IN  
T1IN  
Now Available in Lead Free Packaging  
DESCRIPTION  
The SP3243E products are 3 driver/5 receiver RS-232 transceiver solutions intended for portable  
or hand-held applications such as notebook and palmtop computers. The SP3243E includes one  
complementary receiver that remains alert to monitor an external device's Ring Indicate signal while  
the device is shutdown. The SP3243E and EB devices feature slew-rate limited outputs for reduced  
crosstalk and EMI. The "U" and "H" series are optimized for high speed with data rates up to 1Mbps,  
easily meeting the demands of high speed RS-232 applications. The SP3243E series uses an internal  
high-efficiency, charge-pump power supply that requires only 0.1µF capacitors in 3.3V operation. This  
charge pump and Exar's driver architecture allow the SP3243E series to deliver compliant RS-232  
performance from a single power supply ranging from +3.0V to +5.5V. The AUTO ON-LINE® feature  
allows the device to automatically "wake-up" during a shutdown state when an RS-232 cable is con-  
nected and a connected peripheral is turned on. Otherwise, the device automatically shuts itself down  
drawing less than 1µA.  
SELECTION TABLE  
Device  
Power  
Supplies  
RS-232 RS-232  
Drivers Receivers Components On-Line  
Circuitry State  
External  
Auto  
TTL # of Data ESD  
3-  
Pins Rate Rating  
SP3243E +3.0V to +5.5V  
SP3243EB +3.0V to +5.5V  
SP3243EH +3.0V to +5.5V  
SP3243EU +3.0V to +5.5V  
3
3
3
3
5
5
5
5
4 Capacitors  
4 Capacitors  
4 Capacitors  
4 Capacitors  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
28  
28  
28  
120  
250  
460  
15kV  
15kV  
15kV  
28 1000 15kV  
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com  
SP3243E_100_072309  
1
1234567...24

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 		Flammability rating of UL 94‐V0

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