CD4043BMS, CD4044BMS

FN3311 Rev 0.00

Page 8 of 10

December 1992

FIGURE 8. SWITCH BOUNCE ELIMINATOR

FIGURE 9. ENABLE PROPAGATION DELAY TIME TEST CIRCUIT AND WAVEFORM

FIGURE 7. TYPICAL POWER DISSIPATION vs FREQUENCY

Typical Performance Characteristics (Continued)

10V

5V

10V

AMBIENT TEMPERATURE (TA) = +25oC

SUPPLY VOLTAGE (VDD) = 15V

105

103

10

1

106

102

104

INPUT FREQUENCY (fI) (kHz)

103

104

105

106

107

CL = 50pF

CL =15pF

TEST

IN

IN

A

tPHZ

VDD

VSS

VSS

tPLZ

VSS

VDD

VDD

tPZH

VDD

VSS

VSS

tPZL

VSS

VDD

VDD

Z = HIGH IMPEDANCE

LATCH

SQ

R

LATCH

SQ

R

OUTPUT

OUTPUT

1M



1M



1M



1M



VDD

VDD

VDD

CD4044BMS

CD4043BMS

14

15

16

13

12

11

10

9

1

2

3

4

5

7

6

8

ENABLE

A

VDD

IN

IN

1K



CL = 50pF

VSS

50%

50%

VDD

ENABLE

tPZH

tPHZ

tPLZ

tPZL

90%

10%

90%

10%

POINT A

(IN = VDD, IN = VSS)

POINT A

(IN = VSS, IN = VDD)

VSS

2/3 VDD

1/3 VDD

2/3 VDD

1/3 VDD