S1220PBID Datasheet, PDF (6/18 Pages) ON Semiconductor – Universal Voltage Monitors

MC34161, MC33161, NCV33161
V_CC
8
V_ref
1
Mode Select
7
Input 1
+
2+ _-
1.27V
Input 2
+
3+ _-
1.27V
2.54V
Reference
-
++
2.8V
Channel 1
Output 1
6
-
++
0.6V
Channel 2
Output 2
5
GND 4
Figure 14. MC34161 Representative Block Diagram
Mode Select
Pin 7
GND
V_ref
V_CC (>2.0 V)
Input 1
Pin 2
0
1
0
1
0
1
Output 1
Pin 6
0
1
0
1
1
0
Input 2
Pin 3
0
1
0
1
0
1
Output 2
Pin 5
0
1
1
0
1
0
Comments
Channels 1 & 2: Noninverting
Channel 1: Noninverting
Channel 2: Inverting
Channels 1 & 2: Inverting
Figure 15. Truth Table
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