CD4048BMS Datasheet, PDF (10/11 Pages) Intersil Corporation – CMOS Multifunction Expandable 8 Input Gate

Test Circuits and Wave Forms
CD4048BMS
PULSE
GENERATOR
1
2
3
4
5
6
CL
7
8
VDD
16
15
14
13
12
11
10
9
500µF
0.1µF
OUTPUT
CL = 15pF
OR 50pF
VDD
1
16
2
15
3
14
4
13
5
12
6
11
7
10
8
9
INPUT
VDD
FIGURE 13. DYNAMIC POWER DISSIPATION TEST CIRCUIT
50pF
1
16
PULSE
GENERATOR
Kd
2
15
3
14
4 ^(AND) 13
5
12
6
11
7
10
8
9
VDD (tPLZ)
(tPZL)
VSS (tPHZ)
(tPZH)
VDD
VSS
FIGURE 15. TEST CIRCUIT FOR tPZL, tPZH, tPLZ, AND tPHZ
(AND)
FIGURE 14. TEST CIRCUIT FOR tPHL, tTHL, AND tTHL (AND)
MEASUREMENTS
Kd
tPZL
OUTPUT
tPZH
OUTPUT
90%
50%
tPLZ
10%
10%
tPHL
90%
FIGURE 16. WAVEFORMS FOR tPZL, tPZH, tPLZ AND tPHZ
(AND)
INPUT
OUTPUT
50%
tPHL
50%
FIGURE 17. WAVEFORMS FOR tPHL AND tPHL (AND)
INPUT
OUTPUT
tTHL
50%
90%
10%
tTLH
FIGURE 18. WAVEFORMS FOR tTHL AND tTLH (AND)
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