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RS-232-Transceiver

SN75LV4737A

AKTIV

Mehrkanaliger RS-232-Leitungstreiber/-empfänger, 3,3 bis 5 V

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Datenblatt

SN75LV4737A

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Drivers per package 3 Receivers per package 5 Logic voltage (min) (V) 3.3 Data rate (max) (Mbps) 0.128 Main supply voltage (nom) (V) 3.3, 5 ESD HBM (kV) 4 Rating Catalog Operating temperature range (°C) 0 to 70 Vout (typ) (V) 5.5
Drivers per package 3 Receivers per package 5 Logic voltage (min) (V) 3.3 Data rate (max) (Mbps) 0.128 Main supply voltage (nom) (V) 3.3, 5 ESD HBM (kV) 4 Rating Catalog Operating temperature range (°C) 0 to 70 Vout (typ) (V) 5.5
SSOP (DB) 28 79.56 mm² 10.2 x 7.8
  • Single-Chip and Single-Supply Interface for IBM PC/ATTM Serial Port
  • Meets or Exceeds the Requirements of TIA/EIA-232-F and ITU v.11 Standards
  • Operates With 3.3-V or 5-V Supplies
  • One Receiver Remains Active During Standby (Wake-up Mode)
  • Designed to Operate at 128 kbit/s Over a 3-m Cable
  • Low Standby Current...5 uA Max
  • ESD Protection on RS-232 Pins Meets or Exceeds 4 kV (HBM) and 1.5 kV (HBM) on All Pins Per MIL-STD-883, Method 3015
  • External Capacitors...0.1 uF
  • (VCC = 3.3 V...Five External Capacitors)
  • (VCC = 5 V...Four External Capacitors)
  • Accepts 5-V Logic Input With 3.3-V Supply
  • Applications
    • RS-232 Interface
    • Battery-Powered Systems, PDAs
    • Notebook, Laptop, and Palmtop PCs
    • External Modems and Hand-Held Terminals
  • Packaged in Shrink Small-Outline Package

Patent-pending design

IBM and PC/AT are trademarks of International Business Machines Corporation.
  • Single-Chip and Single-Supply Interface for IBM PC/ATTM Serial Port
  • Meets or Exceeds the Requirements of TIA/EIA-232-F and ITU v.11 Standards
  • Operates With 3.3-V or 5-V Supplies
  • One Receiver Remains Active During Standby (Wake-up Mode)
  • Designed to Operate at 128 kbit/s Over a 3-m Cable
  • Low Standby Current...5 uA Max
  • ESD Protection on RS-232 Pins Meets or Exceeds 4 kV (HBM) and 1.5 kV (HBM) on All Pins Per MIL-STD-883, Method 3015
  • External Capacitors...0.1 uF
  • (VCC = 3.3 V...Five External Capacitors)
  • (VCC = 5 V...Four External Capacitors)
  • Accepts 5-V Logic Input With 3.3-V Supply
  • Applications
    • RS-232 Interface
    • Battery-Powered Systems, PDAs
    • Notebook, Laptop, and Palmtop PCs
    • External Modems and Hand-Held Terminals
  • Packaged in Shrink Small-Outline Package

Patent-pending design

IBM and PC/AT are trademarks of International Business Machines Corporation.

The SN75LV4737A consists of three line drivers, five line receivers, and a charge-pump circuit. It provides the electrical interface between an asynchronous communication controller and the serial-port connector, and meets the requirements of TIA/EIA-232-F. This combination of drivers and receivers matches those needed for the typical serial port used in an IBM PC/AT or compatibles. The charge pump and five small external capacitors allow operation from a single 3.3-V supply, and four capacitors allow operation from a 5-V supply.

The device has flexible control options for power management when the serial port is inactive. A common disable for all of the drivers and receivers is provided with the active-high STBY input. The active-low EN\ input is an enable for one receiver to implement a wake-up feature for the serial port. All the logic inputs can accept signals from controllers operating from a 5-V supply, even though the SN75LV4737A is operating from 3.3 V.

The SN75LV4737A is characterized for operation over the temperature range of 0°C to 70°C.

The SN75LV4737A consists of three line drivers, five line receivers, and a charge-pump circuit. It provides the electrical interface between an asynchronous communication controller and the serial-port connector, and meets the requirements of TIA/EIA-232-F. This combination of drivers and receivers matches those needed for the typical serial port used in an IBM PC/AT or compatibles. The charge pump and five small external capacitors allow operation from a single 3.3-V supply, and four capacitors allow operation from a 5-V supply.

The device has flexible control options for power management when the serial port is inactive. A common disable for all of the drivers and receivers is provided with the active-high STBY input. The active-low EN\ input is an enable for one receiver to implement a wake-up feature for the serial port. All the logic inputs can accept signals from controllers operating from a 5-V supply, even though the SN75LV4737A is operating from 3.3 V.

The SN75LV4737A is characterized for operation over the temperature range of 0°C to 70°C.
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Typ Titel Datum
* Data sheet 3.3-V/5-V Multichannel RS-232 Line Driver/Receiver datasheet (Rev. D) 23 Feb 2000

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