HC5503 Description
Wide Operating Battery Range (-21V to -44V) Single Additional +5V Supply 25mA Short Loop Current Limit Ring Relay Driver Switch Hook and Ring Trip Detect Low On-Hook Power Consumption On-Hook Transmission ITU-T Longitudinal Balance Performance Loop Power Denial Function Thermal Protection Supports Tip, Ring or Balanced Ringing Schemes Low Profile SO and PLCC Surface Mount Packaging Pin patible with Industry Standard...