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Details for Texas Instruments


3-V to 5.5-V Single-Channel RS-232 Line Driver/Receiver
Buy Directly from Texas Instruments (4005 in Stock)
$0.8800 per unit
Series Information for MAX3221EIDB - Texas Instruments


  • feature
    Accepts 5-V Logic Input With 3.3-V Supply
  • feature
    Alternative High-Speed Device (1 Mbit/s)
  • feature
    Auto-Power-Down Feature Automatically Disables Drivers for Power Savings
  • feature
    ESD Protection for RS-232 Pins u2013 u00b115-kV Human-Body Model (HBM) u2013 u00b18 kV (IEC 61000-4-2, Contact Discharge) u2013 u00b115 kV (IEC 61000-4-2, Air-Gap Discharge)
  • feature
    Low Standby Current: 1 u00b5A Typical
  • feature
    Meets or Exceeds the Requirements of TIA/EIA- 232-F and ITU v.28 Standards
  • feature
    One Driver and One Receiver
  • feature
    Operates With 3-V to 5.5-V VCC Supply
  • feature
    Operates up to 250 kbit/s


IC RS232 3V-5.5V DRVR 16-SSOP
The MAX3221E is a single driver, single receiver RS232 solution operating from a single VCC supply. The RS-232 pins provide IEC 61000-4-2 ESD protection. The device meets the requirements of TIA/EIA-232-F and provides the electrical interface between an asynchronous communication controller and the serial-port connector. The charge pump and four small external capacitors allow operation from a single 3-V to 5.5-V supply. These devices operate at data signaling rates up to 250 kbit/s and a maximum of 30-V/µs driver output slew rate. Flexible control options for power management are available. Auto-power down disables driver and charge pump when the receiver is disconnected or the remote driver is power down. The drivers can be manually enabled or disabled. INVALID output goes low when receiver input is unconnected or power off.


Device Type:
Line Driver / Receiver
IC Interface Type:
No. of Drivers:
No. of Receivers:
Supply Voltage Min:
Supply Voltage Max:
Driver Case Style:
No. of Pins:
Operating Temperature Min:
Operating Temperature Max:
Product Range:
Automotive Qualification Standard:
MSL 1 - Unlimited
IC Generic Number:
No SVHC (27-Jun-2018)
RoHS Phthalates Compliant:
Base Number:
Operating Temperature Range:
-40°C to +85°C
Supply Voltage Range:
3V to 5.5V
Termination Type:
Surface Mount Device

Alternate Descriptions

Avnet America

Single Transmitter/Receiver RS-232 16-Pin SSOP Tube

Avnet Europe

Single Transmitter/Receiver RS-232 16-Pin SSOP Tube

Texas Instruments

3-V to 5.5-V Single-Channel RS-232 Line Driver/Receiver

Texas Instruments product