DS1087L Просмотр технического описания (PDF) - Dallas Semiconductor -> Maxim Integrated

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DS1087L

3.3V Spread-Spectrum EconOscillator

Dallas Semiconductor -> Maxim Integrated 

3.3V Spread-Spectrum EconOscillator

Pin Description

PIN

NAME

FUNCTION

1

OUT

Oscillator Output

2

SPRD Dither Enable. When the pin is high, the dither is enabled. When the pin is low, the dither is disabled.

3

VCC

Power Supply

4

GND

Ground

5

OE

Output Enable. When the pin is high, the output buffer is enabled. When the pin is low, the output is

disabled but the internal master oscillator is still on.

6

PDN

Power-Down. When the pin is high, the master oscillator is enabled. When the pin is low, the master

oscillator is disabled (power-down mode).

7

SDA

2-Wire Serial Data. This pin is for serial data transfer to and from the device.

8

SCL

2-Wire Serial Clock. This pin is used to clock data into and out of the device.

VCC

SDA

SCL

PDN

OE

SPRD

GND

2-WIRE

INTERFACE

EEPROM CONTROL

REGISTERS

ADDR

PRESCALER

DS1087L

DITHER

CONTROL

FACTORY-PROGRAMMED

OSCILLATOR

MASTER

OSCILLATOR

OUTPUT

PRESCALER

BY 1, 2, 4...256

OUT

TRIANGLE WAVE

GENERATOR DITHER SIGNAL

Figure 1. Functional Diagram

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