HC3-5504B-9 Key Features
- Pin for Pin Replacement for the HC-5504
- Capable of 5V or 12V (VB+) Operation
- Monolithic Integrated Device
- DI High Voltage Process
- patible With Worldwide PBX Performance Requirements
- Controlled Supply of Battery Feed Current for Short Loops (41mA)
- Internal Ring Relay Driver
- Allows Interfacing With Negative Superimposed Ringing Systems
- Low Power Consumption During Standby
- Switch Hook Ground Key and Ring Trip Detection Functions