MC100EP139 Просмотр технического описания (PDF) - ON Semiconductor

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Компоненты Описание

производитель

MC100EP139

3.3V / 5VECL ÷2/4, ÷4/5/6 Clock Generation Chip

ON Semiconductor 

CLK

Q (÷2)

Q (÷4)

Q (÷5)

Q (÷6)

MC10EP139, MC100EP139

DIVSELa

CLK

CLK

Q0

÷2/4

Q0

R

Q1

Q1

EN

MR

DIVSELb0

DIVSELb1

Q2

÷4/5/6

Q2

R

Q3

Q3

VEE

Figure 2. Logic Diagram

Table 2. FUNCTION TABLES

CLK

EN

MR

Function

Z

L

ZZ

H

X

X

L

Divide

L

Hold Q0:3

H

Reset Q0:3

Z = Low−to−High Transition

ZZ = High−to−Low Transition

DIVSELa

Q0:1 Outputs

L

Divide by 2

H

Divide by 4

DIVSELb0 DIVSELb1

Q2:3 Outputs

L

L

H

L

L

H

H

H

Divide by 4

Divide by 6

Divide by 5

Divide by 5

Figure 3. CLK and OUTPUT Timing Diagram

CLK

RESET

Q (÷n)

tRR

Figure 4. Timing Diagram

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