NLV14060BDG(2014) データシートの表示（PDF） - ON Semiconductor
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NLV14060BDG Datasheet PDF : 8 Pages
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11
RESET
RS
MC14060B
10 OUT 1
Rtc
Ctc
9 OUT 2
f
[
1
2.3 RtcCtc
if 1 kHz ≤ f ≤ 100 kHz
and 2Rtc < RS < 10Rtc
(f in Hz, R in ohms, C in farads)
The formula may vary for other frequencies. Recommended
maximum value for the resistors in 1 MW.
Figure 3. Oscillator Circuit Using RC Configuration
TYPICAL RC OSCILLATOR CHARACTERISTICS
8.0
VDD = 15 V
4.0
0
1.0 V
- 4.0
- 8.0
5.0 V
- 12
RTC = 56 kW
- 16 C = 1000 pF
- 55 - 25
RS = 0, f = 10.15 kHz @ VDD = 10, TA = 25°C
RS = 120 kW, f = 7.8 kHz @ VDD = 10 V, TA = 25°C
0
25
50
75
100 125
TA, AMBIENT TEMPERATURE (°C)
100
50
20
10
5
2
f AS A FUNCTION
OF C
1
(RTC = 56 kW)
0.5
(RS = 120 k)
VDD = 10 V
f AS A FUNCTION
OF RTC
(C = 1000 pF)
(RS ≈ 2RTC)
0.2
0.1
1.0 k
0.0001
10 k
100 k
RTC, RESISTANCE (OHMS)
0.001
0.01
C, CAPACITANCE (mF)
1.0 M
0.1
Figure 4. RC Oscillator Stability
Figure 5. RC Oscillator Frequency as a
Function of RTC and C
CLOCK
11
RESET
18M
RO
CS
CT
10 OUT 1
9 OUT 2
Figure 6. Typical Crystal Oscillator Circuit
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Table 2. Typical Data for Crystal Oscillator Circuit
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Characteristic
500 kHz 32 kHz
Circuit Circuit Unit
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Crystal Characteristics
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Resonant Frequency
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Equivalent Resistance, RS
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ External Resistor/Capacitor Values
RO
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ CT
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ CS
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Frequency Stability
Frequency Changes as a
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Function of VDD (TA = 25°C)
VDD Change from 5.0 V to 10 V
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ VDD Change from 10 V to 15 V
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Frequency Change as a Function of
Temperature (VDD = 10 V)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ TA Change from − 55°C to
+ 25°C Complete Oscillator (Note 6)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ TA Change from + 25°C to
+ 125°C Complete Oscillator
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ (Note 6)
500
1.0
47
82
20
+6.0
+2.0
+100
–160
32 kHz
6.2 kW
750 kW
82 pF
20 pF
+2.0 ppm
+2.0 ppm
+120 ppm
–560 ppm
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ 6. Complete oscillator includes crystal, capacitors, and resistors.
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