特性

• Single-Chip and Single-Supply Interface for IBM? PC/AT? Serial Port
• RS-232 Bus-Pin ESD Protection Exceeds ±15 kV Using Human-Body Model (HBM)
• Meets or Exceeds the Requirements of TIA/EIA-232-F and ITU v.28 Standards
• Operates With 3-V to 5.5-V V_CC Supply
• Three Drivers and Five Receivers
• Low Standby Current . . . 1 mA Typical
• External Capacitors . . . 4 × 0.1 mF
• Accepts 5-V Logic Input With 3.3-V Supply
• Always-Active Noninverting Receiver Output (ROUT2B)
• Operating Speed
  • TRS3243C, TRS3243I . . . 250 Kbit/s
  • TRS3243FC, TRS3243FI . . . 1000 Kbit/s
• Operating Temperature
  • TRS3243C, TRS3243FC . . . 0°C to 70°C
  • TRS3243I, TRS3243FI . . . -40°C to 85°C
• Serial-Mouse Driveability
• Auto-Powerdown Feature to Disable Driver Outputs When No Valid RS-232 Signal Is Sensed
• APPLICATIONS
  • Battery-Powered
  • Systems