MC74HC4060A Datasheet, PDF (6/12 Pages) ON Semiconductor – 14-Stage Binary Ripple Counter With Oscillator

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
3 RtcCtc
(f in Hz,
Rtc in ohms,
Ctc in farads)
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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