CD4518BMS Datasheet, PDF (8/10 Pages) Intersil Corporation – CMOS Dual Up Counters

CD4518BMS, CD4520BMS
Typical Performance Curves
AMBIENT TEMPERATURE (T_A) = +25^oC
200
SUPPLY VOLTAGE (VDD) = 5V
150
AMBIENT TEMPERATURE (T_A) = +25^oC
15
LOAD CAPACITANCE (CL) = 50PF
10
100
10V
5
15V
50
0
0
20
40
60
80
100
LOAD CAPACITANCE (CL) (pF)
FIGURE 9. TYPICAL TRANSITION TIME vs LOAD CAPACITANCE
0
5
10
15
20
SUPPLY VOLTAGE (VDD) (V)
FIGURE 10. TYPICAL MAXIMUM CLOCK FREQUENCY vs
SUPPLY VOLTAGE
Timing Diagrams
10⁴ 8
6
4
SUPPLY VOLTAGE (VDD) = 15V
2
10³ 8
6
4
2
10² 8
6
4
2
10 8
6
4
2
1
2
0.1
10V
10V
5V
CL = 50pF
CL = 15pF
AMBIENT TEMPERATURE (T_A) = +25^oC
4 68 2 4 68 2 4 68 2 4 68 2 4 68
1
10
10²
10³
10⁴
FREQUENCY (f) (kHz)
FIGURE 11. TYPICAL POWER DISSIPATION CHARACTERISTICS
CLOCK
ENABLE
RESET
Q1
Q2
CD4518BMS
Q3
Q4
Q1
Q2
CD4520BMS
Q3
Q4
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 90
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0 1 2 3 4
FIGURE 12. TIMING DIAGRAMS FOR CD4518BMS AND CD4520BMS
7-1213