TRS3243中文资料具有 +/-15kV ESD 保护的 3V 至 5.5V 多通道 250kbps RS-232 线路驱动器/接收器数据手册TI规格书

描述 Description

The TRS3243 device consists of three line drivers, and five line receivers, which is ideal for DE-9 DTE interface. A ±15-kV ESD (HBM) protection pin-to-pin (serial-port connection pins, including GND). Flexible power features save power automatically. Special outputs ROUT2B and INVALID are always enabled to allow checking for ring indicator and valid RS232 input.

特性 Features

• Operates With 3-V to 5.5-V VCC Supply
• Single-Chip and Single-Supply Interface for IBM® PC/AT Serial Port
• RS-232 Bus-Pin ESD Protection of ±15 kV Using Human-Body Model (HBM)
• Meets or Exceeds the Requirements of TIA/EIA-232-F and ITU V.28 Standards
• Three Drivers and Five Receivers
• Operates up to 250 kbps
• 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 Receiver Output (ROUT2B)
• Operating Temperature
• TRS3243C: 0°C to 70°C
• TRS3243I: –40°C to 85°C

• Serial-Mouse Driveability
• Automatic Power-Down Feature to Disable Driver Outputs When No Valid RS-232 Signal Is Sensed