• Device Type: RS-232 Interface Receiver
• Package Type: SOIC-16 (CSE suffix)

General Features

• Four independent RS-232 receivers
• Converts RS-232 signal levels to TTL/CMOS logic levels
• Designed for serial communication systems
• High noise immunity
• Low-power CMOS technology
• Fully compatible with EIA/TIA-232-E standards

Electrical Characteristics

• Supply Voltage:
  • Single +5 V supply
• Supply Current:
  • Typically less than 10 mA
• Input Voltage Range:
  • ±30 V maximum
• Receiver Threshold:
  • Typical: 1.3 V

Receiver Characteristics

• Number of Receivers: 4
• TTL/CMOS compatible outputs
• Inverting receiver operation
• High input impedance
• Fail-safe receiver design

Data Rate

• Supports data rates up to:
  • 120 kbps typical

Protection Features

• Input overvoltage protection
• ESD protection
• Short-circuit tolerant inputs
• Noise filtering characteristics

Logic Compatibility

• TTL compatible outputs
• CMOS compatible outputs
• Direct interface to:
  • Microcontrollers
  • Microprocessors
  • UARTs
  • Communication controllers

Package Information

• Package Code: CSE
• Package Type: Narrow SOIC
• Pin Count: 16 Pins
• Mounting Style: Surface Mount (SMD)

Operating Temperature

• Commercial Grade (C):
  • 0°C to +70°C

Typical Applications

• RS-232 serial ports
• Industrial controllers
• Modems
• Data terminals
• Instrumentation systems
• Point-of-sale equipment
• Telecommunications equipment
• Embedded systems

Key Features

• Four RS-232 receivers
• Single +5 V operation
• TTL/CMOS compatible outputs
• ±30 V input tolerance
• Low power consumption
• High noise immunity
• 16-pin SOIC package

Typical Pin Functions

• R1IN, R2IN, R3IN, R4IN (RS-232 Inputs)
• R1OUT, R2OUT, R3OUT, R4OUT (Logic Outputs)
• VCC
• GND
• Control/Enable pins (device dependent)