LM78 National Semiconductor, LM78 Datasheet - Page 18
LM78
Manufacturer Part Number
LM78
Description
Microprocessor System Hardware Monitor
Manufacturer
National Semiconductor
Datasheet
1.LM78.pdf
(31 pages)
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Functional Description
FIGURE 8. Input Examples. Resistor Values Shown Provide Approximately 3V at the Analog Inputs
Voltage Measurements (V
+2.50V
+3.30V
+12V
−12V
+5V
−5V
(Continued)
S
)
R1 or R
240 k
100 k
6.8 k
30 k
0
0
IN
18
R2 or R
NONE
NONE
10 k
10 k
60 k
60 k
F
Voltage at Analog Inputs
DS012873-13
+2.50V
+3.30V
+2.98V
+3.00V
+3.00V
+3.00V