SM802117 查看數據表（PDF） - Micrel

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SM802117

ClockWorks™ GbE (125MHz) Ultra-Low Jitter, LVPECL Frequency Synthesizer

Micrel 

Micrel, Inc.

Ordering Information

Part Number

Marking

SM802117UMG

802117

SM802117UMGTR

802117

Note:

1. Devices are Green, RoHS, and PFOS compliant.

Shipping

Tube

Tape and Reel

Pin Configuration

Temperature Range

–40°C to +85°C

–40°C to +85°C

SM802117

Package

24-Pin QFN

24-Pin QFN

24-Pin QFN

(Top View)

Pin Description

Pin Number

Pin Name

19, 20

/Q1, Q1

22, 23

24

2

/Q2, Q2

VDDO2

VSSO2

Pin Type

O, (DIF)

O, (DIF)

PWR

PWR

3

PLL_BYPASS

I, (SE)

4

XTAL_SEL

I, (SE)

Pin Level

LVPECL

LVPECL

LVCMOS

LVCMOS

Pin Function

Differential Clock Output from Bank 1

125MHz

Differential Clock Output from Bank 2

125MHz

Power Supply for Output Bank 2

Power Supply Ground for Output Bank 2

PLL Bypass, Selects Output Source

0 = Normal PLL Operation

1 = Output from Input Reference Clock or Crystal

45KΩ pull-down

Selects PLL Input Reference Source

0 = REF_IN, 1 = XTAL, 45KΩ pull-up

October 2011

2

M9999-101311-B

hbwhelp@micrel.com or (408) 955-1690

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