CD4043 Ver la hoja de datos (PDF) - Intersil
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CD4043 Datasheet PDF : 10 Pages
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CD4043BMS, CD4044BMS
Typical Performance Characteristics (Continued)
106 AMBIENT TEMPERATURE (TA) = +25oC
105
104 SUPPLY VOLTAGE (VDD) = 15V
103
102
10
1
103
10V
10V
5V
CL =15pF
CL = 50pF
104
105
106
107
INPUT FREQUENCY (fI) (kHz)
FIGURE 7. TYPICAL POWER DISSIPATION vs FREQUENCY
VDD
1MΩ
S
Q
LATCH
R
1MΩ
OUTPUT
VDD
1MΩ
S
Q
LATCH
R
1MΩ
OUTPUT
VDD
CD4044BMS
CD4043BMS
FIGURE 8. SWITCH BOUNCE ELIMINATOR
ENABLE
VDD
1
16
TEST IN IN A
tPHZ VDD VSS VSS
2
15
3
14
4
13
5
12
6
11
7
10
8
9
tPLZ VSS VDD VDD
tPZH VDD VSS VSS
IN
tPZL VSS VDD VDD
IN
Z = HIGH IMPEDANCE
1KΩ
A
CL = 50pF
50%
ENABLE
tPZH
POINT A
(IN = VDD, IN = VSS)
POINT A
(IN = VSS, IN = VDD)
tPZL
tPHZ
10%
90%
tPLZ
50% VDD
VSS
90%
≈ 2/3 VDD
≈ 1/3 VDD
10%
≈ 2/3 VDD
≈ 1/3 VDD
VSS
FIGURE 9. ENABLE PROPAGATION DELAY TIME TEST CIRCUIT AND WAVEFORM
7-883
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