SN55122 Datasheet, PDF (6/7 Pages) Texas Instruments – TRIPLE LINE RECEIVERS

N8T14, SN55122, SN75122
TRIPLE LINE RECEIVERS
SLLS075B – D1334, SEPTEMBER 1973 – REVISED FEBRUARY 1993
APPLICATION INFORMATION
1/3 SN55122
75 Ω
75-Ω Coaxial Cable
75-Ω Coaxial
Cable
75 Ω
1/3 SN55122
1/2 SN55121
1/2 SN55121
75-Ω Coaxial Cable
1/2 SN55121
75 Ω
75 Ω
1/3 SN55122
1/2 SN55121
Figure 3. Single-Ended Party Line Circuits
R
Input
VT ₊
VIH
VT _–
VIL
VOH
Output
VOL
NOTE: The high gain and built-in hysteresis of the SN55122 and
SN75122 line receivers enable them to be used as Schmitt
triggers in squaring pulses.
Figure 4. Pulse Squaring
2–6
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