CO/PABX Polarity Reversal Subscriber Line Interface Circuit

Description The HC5520 is a Monolithic Subscriber Line Interface Circuit (SLIC) for Analog Subscriber Line cards in Central Office and PABX switches. Features • Normal and Reversed DC Feed • Current Limited Loop Feed • Ringing, Test-In, and Test-Out Relay Drivers • Thermal Shutdown Prot

文件：191 Kbytes 页数：20 Pages

HARRIS

Built-in high-precision voltage detection circuit and built-in MOSFET

文件：1.81918 Mbytes 页数：9 Pages

HMSEMI

华之美半导体

In-System Programmable Clock Generator with Universal Fan-Out Buffer


文件：551.14 Kbytes 页数：48 Pages

Lattice

莱迪思

ispClock 5500 Family ?

文件：552.1 Kbytes 页数：48 Pages

Lattice

莱迪思