SN55121, SN75121
DUAL LINE DRIVERS
SLLS074C – SEPTEMBER 1973 – REVISED MAY 1998 D
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D Designed for Digital Data Transmission
Over 50-Ω to 500-Ω Coaxial Cable, Strip
Line, or Twisted Pair
High Speed
tpd = 20 ns Maximum at CL = 15 pF
TTL Compatible With Single 5-V Supply
2.4-V Output at IOH = – 75 mA
Uncommitted Emitter-Follower Output
Structure for Party-Line Operation
Short-Circuit Protection
AND-OR Logic Configuration
Designed for Use With Triple Line
Receivers SN55122, SN75122
Designed to Be Interchangeable With …