SP8795 Ver la hoja de datos (PDF) - Zarlink Semiconductor Inc

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SP8795

225MHz ÷ 32/33 TWO MODULUS DIVIDER

Zarlink Semiconductor Inc 

SP8795

225MHz ÷ 32/33 TWO MODULUS DIVIDER

DS 3295 - 1

The SP8789 is a low power programmable ÷32/33

counter.lt divides by 32, when the control input is in the high

state and by 33 when in the low state. An internal voltage

regulator allows operation from a wide range of supply

voltages.

CONTROL INPUT 1

8 Vcc 1

OUTPUT Vcc 2

OUTPUT

2

7

SP8795

3

6

REF DECOUPLING

INTERNAL BIAS DECOUPLING

VEE (0V) 4

5 INPUT

FEATURES

Very Low Power

Control Input and Output CMOS/TTL Compatible

AC Coupled Input

Operation up to 9.5V using Internal Regulator

QUICK REFERENCE DATA

Supply Voltage 5.2V or 6.8V to 9.5V

Power consumption: 26mW Typical

Temperature range: -40°C to +85°C

DP8, MP8

Figure 1 Pin connections - top view

ABSOLUTE MAXIMUM RATINGS

Supply voltage

6.0V pins 7 & 8 tied

Supply voltage

13.5V pin 8, pin 7 decoupled

Storage temperature range

-55°C to +125°C

Max. Junction temperature

+175°C

Max. clock input voltage

2.5V p-p

Vcc2

Max. 10V

VCC2

2

100n

VCC1

8

CLOCK

INPUT

1n

5

INTERNAL

BIAS

DECOUPLING

6

1n

4

VEE (0V)

DIVIDE BY

20/21

16k

1

CONTROL

INPUT

VOLTAGE

REGULATOR

3

OUTPUT

7

REF

DECOUPLING

Figure 2 : Functional diagram SP8789

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