TRS3221
Features
- 1 RS-232 Bus-Pin ESD Protection Exceeds ±15 k V Using Human-Body Model (HBM)
- Meets or Exceeds the Requirements of TIA/EIA232-F and ITU V.28 Standards
- Operates With 3-V to 5.5-V VCC Supply
- Operates up to 250 kbps
- One Driver and One Receiver
- Low Standby Current: 1-μA Typical
- External Capacitors: 4 × 0.1 μF
- Accepts 5-V Logic Input With 3.3-V Supply
- Alternative High-Speed Pin-patible
Device (1 Mbps)
- SNx5C3221
- Automatic Power-Down Feature
Automatically Disables Drivers for Power Savings
2 Applications
- Battery-Powered, Hand-Held, and Portable Equipment
- Notebooks, Subnotebooks, and Laptops
- Digital Cameras
- Mobile Phones and Wireless Devices
3 Description
The TRS3221 device consists of one line driver, one line receiver with dedicated enable pin, and a dual charge-pump circuit with ±15-k V ESD protection pinto-pin (serial-port connection pins, including GND). The device meets the requirements of TIA/EIA-232-F and provides the electrical interface between an...
