SP8793 查看數據表（PDF） - Zarlink Semiconductor Inc

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SP8793

SP8792 225MHz ÷ 80/81 , SP8793 225MHz ÷ 40/41 , WITH ON-CHIP VOLTAGE REGULATOR

Zarlink Semiconductor Inc 

SP8792 225MHz ÷ 80/81

SP8793 225MHz ÷ 40/41

WITH ON-CHIP VOLTAGE REGULATOR

DS 3294- 1

The SP8792 AND SP8793 are low power programmable

÷80/81 and ÷40/41 counter, temperature range: -40°C to

+85°C.They divide by 80(40) when control input is in the high

state and by 81(41) when in the low state. An internal voltage

regulator allows operation from a wide range of supply

voltages.

FEATURES

Very Low Power

Control Input and Output CMOS/TTL Compatible

AC Coupled Input

Operation up to 9.5V using Internal Regulator

MODULUS CONTROL INPUT 1

OUTPUT Vcc 2 2

OUTPUT 3

0V) 4

8 Vcc 1

7 Vcc 2

6 INTERNAL DECOUPLING

5 INPUT

Figure 1 Pin connections - top view

DP8

MP8

QUICK REFERENCE DATA

Supply Voltage 5.2V or 6.8V to 9.5V

Power consumption: 26mW Typical

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

VCC1

100n

8

CLOCK

INPUT

1n

5

6

DECOUPLING

1n

DIVIDE BY 80/81

(SP8792)

DIVIDE BY 40/41

(SP8793)

16k

4

VEE (0V)

1

CONTROL

INPUT

VOLTAGE

REGULATOR

3

OUTPUT

7

100n

Figure 2 : Functional diagram SP8799

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