The MAX3243CDW device consists of three line drivers, five line receivers which is ideal for DE-9 DTE interface. ±15-kV ESD (HBM) protection pin to pin (serial- port connection pins, including GND). Flexible power features saves power automatically. Special outputs ROUT2B and INVALID are always enabled to allow checking for ring indicator and valid RS232 input.
Feature
- Operates With 3-V to 5.5-V VCC Supply
- Single-Chip and Single-Supply Interfacefor IBMPC/AT Serial Port
- RS-232 Bus-Pin ESD Protection of ±15 kV Using Human-Body Model (HBM)
- Meets or Exceeds the Requirements ofTIA/EIA-232-F and ITU V.28 Standards
- Three Drivers and Five Receivers
- Operates Up To 250 kbit/s
- Low Active Current: 300 μA Typical
- Low Standby Current: 1 μA Typical
- External Capacitors: 4 × 0.1 μF
- Accepts 5-V Logic Input With 3.3-V Supply
- Always-Active Noninverting ReceiverOutput (ROUT2B)
- Operating Temperature
- MAX3243C: 0°C to 70°C
- MAX3243I: –40°C to 85°C
- Serial-Mouse Driveability
- Auto-Powerdown Feature to Disable DriverOutputs When No Valid RS-232 Signal IsSensed
