Programmable DTE/DCE, +5V RS-232 Transceiver

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The MAX214 +5V RS-232 transceiver provides a complete, 8-line, software-configurable, DTE or DCE port RS-232 interface. Tx, Rx, RTS, CTS, DTR, DSR, DCD, and RI circuits can be configured as either Data Terminal Equipment (DTE) or Data Circuit-Terminating Equipment (DCE) using the DTE/DCE control pin. The MAX214 eliminates the need to swap cables when switching between DTE and DCE configurations.
MAX214: Typical Operating Circuit MAX214: Typical Operating Circuit Enlarge+

Key Features

  • Eliminates Null Modem Cables
  • Programmable DTE or DCE Serial Port
  • 1µF Charge-Pump Capacitors
  • 116kbps Data Rate-Guaranteed
  • 20µA Shutdown Mode
  • Receivers Active in Shutdown


  • AT-Compatible Desktop Computers
  • AT-Compatible Laptop Computers
  • Modems, Printers, and Other Peripherals
Part NumberVSUPPLY
TxRxData Rate
Internal Charge PumpExt. CapsCap. Value
Rx Active in ShutdnPackage/PinsBudgetary
mintypnomSee Notes
MAX214 5351169Yes415
SOIC (W)/28
$2.07 @1k
See All RS-232 Line Driver/Receivers (136)
Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

Technical Documents

Tutorial 2141 Determining Clock Accuracy Requirements for UART Communications

Quality and Environmental Data

Request Reliability Report for: MAX214 
Lead-Free Package Tin (Sn) Whisker Reports
Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C  

Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

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