NJW1504/1508

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Parameter

Symbol

MSB

LSB

Chip Address

CA

1

1

0

0

0

CA1

CA0

0

A

Divider Byte 1

D1

0

N14

N13

N12

N11

N10

N9

N8

A

Divider Byte 2

D2

N7

N6

N5

N4

N3

N2

N1

N0

A

Control Byte

CB

1

CP

T2

T1

T0

RD1

RD0

×

A

Band switch Byte

BB

×

×

×

×

BS3

BS2

BS1

BS0

A

· Data specifications

×

: don’t care ;0 or 1

CA1, CA0

: Programmable address bits

ADRS Voltage

CA1

CA0

Always valid

0

1

0 to 0.1 Vcc1

0

0

0.4 Vcc1 to 0.6 Vcc1

1

0

0.9 Vcc1 to Vcc1

1

1

BS0 to BS3

: Band switch buffers Control bits, BSn=1 then “ON”

N0 to N14

: Control of Programmable divider bits, N14=MSB N0=LSB

Dividing ratio : N=2

Maximum division ratio 32767

Minimum division ratio

256

CP : Charge Pump Current

CP

Charge Pump Current

Conditions

1

280µA

Normal, Default

0

60µA

Test

T0 to T2

:Test mode bits

T0,T1,T2 :Phase Comparator Output bits

T2

T1

T0

Phase Comparator, Band Switch

Conditions

0

0

×

Normal Output

Normal, Default

1

0

1

Phase Comparator (High Impedance)

Test

1

1

0

Phase Comparator (Sink)

Test

1

1

1

Phase Comparator (Source)

Test

RD1,RD0 : Reference Divider bits

RD1

RD2

Reference Divider

Conditions

×

0

640

1

1

512

Default

0

1

1024

(Note)

Default : Power on reset