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SP3223U Dataheets PDF



Part Number SP3223U
Manufacturers Sipex
Logo Sipex
Description High Speed Intelligent +3.0V to +5.5V RS-232 Transceivers
Datasheet SP3223U DatasheetSP3223U Datasheet (PDF)

® SP3223U/3243U High Speed Intelligent +3.0V to +5.5V RS-232 Transceivers ■ 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 VCC Variations ■ ESD Specifications: +2kV Human Body Model ■ 1000 Kbps minimum transmission rate ■ Ideal for High Speed RS-232 .

  SP3223U   SP3223U



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® SP3223U/3243U High Speed Intelligent +3.0V to +5.5V RS-232 Transceivers ■ 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 VCC Variations ■ ESD Specifications: +2kV Human Body Model ■ 1000 Kbps minimum transmission rate ■ Ideal for High Speed RS-232 Applications EN C1+ V+ C1C2+ C2VT2OUT R2IN 1 2 3 4 5 6 7 8 9 SP3223U 20 SHUTDOWN 19 18 17 16 15 14 VCC GND T1OUT R1IN R1OUT ONLINE 13 T1IN 12 11 T2IN STATUS R2OUT 10 Now Available in Lead Free Packaging DESCRIPTION The SP3223U and SP3243U products are RS-232 transceiver solutions intended for portable or handheld applications such as notebook and palmtop computers. The "U" series is based on Sipex's SP3223/ SP3243 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 SP3223U and SP3243U use an internal high-efficiency, charge-pump power supply that requires only 0.1µF capacitors in 3.3V operation. This charge pump and Sipex's driver architecture allow the SP3223U/SP3243U series to deliver compliant RS232 performance from a single power supply ranging from +3.0V to +5.5V. The SP3223U is a 2-driver/ 2-receiver device, and the SP3243U is a 3-driver/5-receiver device, ideal for laptop/notebook computer and PDA applications. The SP3243U 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 1µA. SELECTION TABLE Device SP3223U SP3243U Power Supplies +3.0V to +5.5V +3.0V to +5.5V RS-232 Drivers 2 3 RS-232 Receivers 2 5 External Components 4 capacitors 4 capacitors Auto-Online Circuitry YES YES TTL 3-State YES YES No. of Pins 20 28 Applicable U.S. Patents - 5,306,954; and other patents pending. Date: 5/25/04 SP3223U/3243U +3.0V to +5.5V RS-232 Transceivers © Copyright 2004 Sipex Corporation 1 ABSOLUTE MAXIMUM RATINGS These are stress ratings only and functional operation of the device at these ratings or any other above those indicated in the operation sections of the specifications below is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect reliability and cause permanent damage to the device. VCC.......................................................-0.3V to +6.0V V+ (NOTE 1).......................................-0.3V to +7.0V V- (NOTE 1)........................................+0.3V to -7.0V V+ + |V-| (NOTE 1)...........................................+13V ICC (DC VCC or GND current)...........


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