SP8718 datasheet(2/4 Pages) ETC

2 / 4 page

FEATURES

DC to 520MHz Operation

-40

°C to +85°C Temperature Range

Control Inputs and Outputs are CMOS Compatible

QUICK REFERENCE DATA

Supply Voltage 5.0V

± 0.25V

Supply Current 10.5mA typ.

SP8716/8/9

520MHz LOW CURRENT TWO-MODULUS DIVIDERS

SP8716

÷ 40/41, SP8718 ÷ 64/65, SP8719 ÷ 80/81 are

50mW programmable dividers with a maximum specified

operating frequency of 520MHz over the temperature range

-40

°C to + 85 °C.

The signal (clock) inputs are biased internally and require

to be capacitor coupled. The output stage is of an unusual low

power design featuring dynamic pull-up, and optimised for

driving CMOS. The 0 to 1 output edge should be used to give

the best loop delay performance.

Figure : 1 Pin connections - top view

DP8, MP8

ABSOLUTE MAXIMUM RATINGS

Supply voltage pin 2 or 8):

Storage temperature range:

-55

°C to +150°C

Max. Junction temperature:

+175

°C

Max. clock I/P voltage:

2.5V p-p

DS 3292 -1

Figure 2 : Functional diagram

MODULUS CONTROL UNIT

Vcc

OUTPUT Vcc

NO CONNECTION

OUTPUT

INPUT

INPUT DECOUPLING

8716/8/9

SIGNAL

INPUT

MODULUS

CONTROL

INPUT

1.5k

300

3 OUTPUT

Vcc

÷P/P + 1

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