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MC74HC4060A_16 Datasheet, PDF (6/11 Pages) ON Semiconductor – 14-Stage Binary Ripple Counter With Oscillator | |||
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MC74HC4060A
Q4
Q5
Q12
Q13
Q14
7
5
1
2
3
Osc Out 2 9
Osc Out 1 10
Osc In 11
Reset 12
CQ
CQ
CQ
CQ
CQ
CQ
CQ
CQ
CQ
CQ
CQ
C
R
R
Q6 = Pin 4
Q7 = Pin 6
Q8 = Pin 14
Q9 = Pin 13
Q10 = Pin 15
VCC = Pin 16
GND = Pin 8
Figure 5. Expanded Logic Diagram
Reset 12
Osc In 11 Osc Out 1 10 Osc Out 2 9
Rtc
RS
Ctc
For 2.0V ⤠VCC ⤠6.0V
10Rtc > RS > 2Rtc
400Hz ⤠f ⤠400Khz:
f
[
1
2.2âRtcCtc
â(fâinâHz,â
Rtcâinâohms,â
Ctcâinâfarads)
The formula may vary for other frequencies.
Figure 6. Oscillator Circuit Using RC Configuration
Reset 12
Osc In 11
C1
Osc Out 1 10
Rf
R1
C2
9 Osc Out 2
Figure 7. Pierce Crystal Oscillator Circuit
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