MC14518BCL View Datasheet(PDF) - Motorola => Freescale

Part Name

Description

View to exact match

MC14518BCL

Dual Up Counters

Motorola => Freescale 

PULSE

GENERATOR

VDD

C Q0

Q1

Q2

E

R

Q3

VSS

20 ns

CLOCK

INPUT

CL

CL

CL

CL

Q

tWH

tPLH

tr

20 ns

90%

VDD

50%

10%

VSS

tWL

tPHL

90% 50%

10%

tf

Figure 2. Switching Time Test Circuit and Waveforms

CLOCK

ENABLE

RESET

Q0

Q1

MC14518B

Q2

Q3

Q0

Q1

MC14520B

Q2

Q3

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

12345678901234567890

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0 1 2 3 4

Figure 3. Timing Diagram

MC14518B MC14520B

412

MOTOROLA CMOS LOGIC DATA

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