SP8782 查看數據表（PDF） - Mitel Networks

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产品描述 (功能)

生产厂家

SP8782

1GHz ÷16/17, ÷32/33 Multi-Modulus Divider

Mitel Networks 

Modulus control

input

0

1

Ratio select input

0

1

÷17

÷33

÷16

÷32

Table 1 Truth table for control inputs

SP8782A & B

CLOCK INPUT

MODULUS

CONTROL INPUT

OUTPUT

CLOCK INPUT

MODULUS

CONTROL INPUT

OUTPUT

ts

DON’T CARE

ts

DON’T CARE

9 (17)

8 (16)

8 (16)

8 (16)

DIVIDE-BY-16 (32) MODE

ESTABLISHED

FigureFi3ga.Se3tatingSedtivtidien-gbydi-v1i6d(e3-2bmy-od1e6) (32) mode

tr

DON’T CARE

tr

DON’T CARE

8 (16)

9 (17)

8 (16)

EXTRA

PULSE

8 (16)

DIVIDE-BY-17 (33) MODE

ESTABLISHED

Figure 3b Setting divide - by - 17 (33 mode)

Figure 3 Timing diagrams

3

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