MC74HC4020A Просмотр технического описания (PDF) - Motorola => Freescale
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MC74HC4020A Datasheet PDF : 8 Pages
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MC74HC4020A
Qn
Qn+1
50%
tPLH
50%
SWITCHING WAVEFORMS (continued)
VCC
GND
tPHL
DEVICE
UNDER
TEST
TEST
POINT
OUTPUT
CL*
Figure 3.
*Includes all probe and jig capacitance
Figure 4. Test Circuit
Q1
Q4
Q5
Q12
Q13
Q14
9
7
5
1
2
3
Clock 10
Reset 11
CQ
CQ
CQ
CQ
CQ
CQ
CQ
R
CQ
R
CQ
CQ
Q6 = Pin 4
Q7 = Pin 6
Q8 = Pin 13
Q9 = Pin 12
Q10 = Pin 14
Q11 = Pin 15
Figure 5. Expanded Logic Diagram
CQ
C
VCC = Pin 16
GND = Pin 8
High–Speed CMOS Logic Data
3–5
DL129 — Rev 6
MOTOROLA
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