ST49C101A Просмотр технического описания (PDF) - Exar Corporation

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ST49C101A

High Frequency Clock Multiplier

Exar Corporation 

ST49C101A-XX

XTAL1

1

OE

2

AGND

3

DGND

4

8

XTAL2

7

AVCC

6

DVCC

5

CLOCK

8 Pin SOIC (Jedec, 0.150")

PIN DESCRIPTION

Pin #

1

Symbol

XTAL1

21

OE

3

AGND

4

DGND

5

CLOCK

6

DVCC

7

AVCC

8

XTAL2

Type

I

I

O

O

O

I

I

O

Description

Crystal or External Clock Input. A crystal can be connected to this pin

and XTAL2 pin to generate internal phase locked loop reference clock.

For external clock, XTAL2 is left open or used as buffered clock output.

Clock Output Enable (Active high). CLOCK output is three stated when

this pin is low. Connect to DVCC for normal operation.

Analog Ground.

Digital Ground.

Programmed Output Clock.

Positive Supply Voltage. Single +5 or 3.3 volts.

Analog Supply Voltage. Single +5 or 3.3 volts.

Crystal Output.

Note: 1Has internal weak pull-up resistor

Rev. 2.20

3

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