DM7820A

c( o N 00 Line Drivers/Receivers 00 ::!E .Q..... c( o N DM7820A/DM8820A dual line receiver fe ::!E Q general description The DM7820A and the DM8820A are improved performance digital line receivers with two completely Independent units fabncated on a single silicon chip. Intended for use with digital systems connected by twisted pair lines, they have a differential Input designed to reject large common mode signals while responding to small differential SIgnals. The output is directly compatible with RTL, DTL or TTL integrated circuits. Some Important design features include: Operation from a single +5V logic supply Input voltage range of ±'5V Strobe low forces output to "," state High input resjstance Fanout of ten with either DTL or TTL integrated circuits Outputs can be wire OR'ed Series 54174 compatible The response time can be controlled with an ex· ternal capacitor to reject Input noise spikes. The output state is a logic "," for both inpu...