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HC5523 Data Sheet October 1998 File Number 4144.5 LSSGR/TR57 CO/Loop Carrier SLIC with Low Power Standby The HC5523 is a subscriber line interface circuit which is interchangeable with Ericsson’s PBL3764A/4 for distributed central office applications. Enhancements include immunity to circuit latch-up during hot plug and absence of false signaling in the pres.
• DI Monolithic High Voltage Process
• Programmable Current Feed (20mA to 60mA)
• Programmable Loop Current Detector Threshold and Battery Feed Characteristics
• Ground Key and Ring Trip Detection
• Compatible with Ericsson’s PBL3764A/4
• Thermal Shutdown
• On-Hook Transmission
• Wide Battery Voltage Range (-24V to -58V)
• Low Standby Power
• Meets TR-NWT-000057 Transmission Requirements
• -40oC to 85oC Ambient Temperature Range
Ordering Information
PART NUMBER HC5523IM HC5523IP TEMP. RANGE (oC) -40 to 85 -40 to 85 PACKAGE 28 Ld PLCC 22 Ld PDIP PKG. NO. N28.45 E22.4
Applications
• Digital Lo.
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