MAX3243ECDBR UART Interface IC RS-232 Interface IC 3-5.5V MultiCh Line Driver/Receiver

FEATURES

• Single-Chip and Single-Supply Interface for IBMTM PC/ATTM Serial Port

• ESD Protection for RS-232 Bus Pins

  • – ±15-kV Human-Body Model (HBM)

  • – ±8-kV IEC61000-4-2, Contact Discharge

  • – ±15-kV IEC61000-4-2, Air-Gap Discharge

• Meets or Exceeds Requirements of TIA/EIA-232-F and ITU v.28 Standards

• Operates With 3-V to 5.5-V VCC Supply

• Always-Active Noninverting Receiver Output

  (ROUT2B)

• Designed to Transmit at a Data Rate up to 500 kbit/s

• Low Standby Current . . . 1 μA Typ

• External Capacitors . . . 4 × 0.1 μF

• Accepts 5-V Logic Input With 3.3-V Supply

• Designed to Be Interchangeable With Maxim MAX3243E

• Serial-Mouse Driveability

• Auto-Powerdown Feature to Disable Driver Outputs When No Valid RS-232 Signal Is Sensed

• Package Options Include Plastic Small-Outline (DW), Shrink Small-Outline (DB), and Thin Shrink Small-Outline (PW) Packages

  
  

APPLICATIONS

• Battery-Powered Systems

• PDAs

• Notebooks

• Laptops

• Palmtop PCs

• Hand-Held Equipment