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SP3243EU Datasheet(PDF) 1 Page - Sipex Corporation

Part # SP3243EU
Description  High Speed Intelligent 3.0V to 5.5V RS-232 Transceivers
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Manufacturer  SIPEX [Sipex Corporation]
Direct Link  http://www.sipex.com
Logo SIPEX - Sipex Corporation

SP3243EU Datasheet(HTML) 1 Page - Sipex Corporation

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Date: 06/28/04
SP3223EU/3243EU +3.0V to +5.5V RS-232 Transceivers
© Copyright 2004 Sipex Corporation
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SP3223EU/3243EU
High Speed Intelligent +3.0V to +5.5V
RS-232 Transceivers
The SP3223EU and 3243EU products are RS-232 transceiver solutions intended for portable or hand-
held applications such as notebook and palmtop computers. The "U" series is based on Sipex's
SP3223E/3243E series and has been enhanced for high speed. The data rate is improved to 1000kbps,
easily meeting the demands of high speed RS-232 applications. The SP3223EU and 3243EU use an
internal high-efficiency, charge-pump power supply that requires only 0.1
µF capacitors in 3.3V
operation. This charge pump and Sipex's driver architecture allow the SP3223EU/3243EU series to
deliver compliant RS-232 performance from a single power supply ranging from +3.0V to +5.5V. The
SP3223EU is a 2-driver/2-receiver device, and the SP3243EU is a 3-driver/5-receiver device, ideal for
laptop/notebook computer and PDA applications. The SP3243EU includes one complementary
receiver that remains alert to monitor an external device's Ring Indicate signal while the device is
shutdown.
The AUTO ON-LINE® feature allows the device to automatically "wake-up" during a shutdown state
when an RS-232 cable is connected and a connected peripheral is turned on. Otherwise, the device
automatically shuts itself down drawing less than 1
µA.
■ 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
■ AUTO ON-LINE® circuitry automatically
wakes up from a 1µA shutdown
■ Regulated Charge Pump Yields Stable
RS-232 Outputs Regardless of V
CC
Variations
■ Enhanced ESD Specifications:
+15kV Human Body Model
+15kV IEC1000-4-2 Air Discharge
+8kV IEC1000-4-2 Contact Discharge
■ 1000 Kbps minimum transmission rate
■ Ideal for High Speed RS-232 Applications
DESCRIPTION
SELECTION TABLE
Applicable U.S. Patents - 5,306,954; and other patents pending.
®
V-
1
2
3
4
17
18
19
20
5
6
7
16
15
14
SHUTDOWN
C1+
V+
C1-
C2+
C2-
ONLINE
EN
R1IN
GND
VCC
T1OUT
STATUS
8
9
10
11
12
13
R2IN
R2OUT
SP3223EU
T2OUT
T1IN
T2IN
R1OUT
Now Available in Lead Free Packaging


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