SCG2500-051.84M datasheet, PDF

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SCG2500-051.84M: DescriptionSupport Circuit, 1-Func, 0.780 X 0.830 INCH, 0.350 INCH HEIGHT, DIP-14; CategoryWireless rf/communication Telecom circuit; File Size890KB，10 Pages; ManufacturerConnor-Winfield; Websitehttp://www.conwin.com/

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SCG2500-051.84M Overview

Support Circuit, 1-Func, 0.780 X 0.830 INCH, 0.350 INCH HEIGHT, DIP-14

SCG2500-051.84M Parametric

Parameter Name	Attribute value
Is it lead-free?	Contains lead
Is it Rohs certified?	incompatible
Parts packaging code	DMA
package instruction	,
Contacts	14
Reach Compliance Code	unknown
app	SONET
JESD-30 code	R-XDMA-J14
Number of functions	1
Number of terminals	14
Maximum operating temperature	70 °C
Minimum operating temperature
Package body material	UNSPECIFIED
Package shape	RECTANGULAR
Package form	MICROELECTRONIC ASSEMBLY
Peak Reflow Temperature (Celsius)	217
Certification status	Not Qualified
Nominal supply voltage	3.3 V
surface mount	YES
Telecom integrated circuit types	ATM/SONET/SDH SUPPORT CIRCUIT
Temperature level	COMMERCIAL
Terminal form	J BEND
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
Base Number Matches	1

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SCG2500

Synchronous Clock

Generators

2111 Comprehensive Drive

Aurora, Illinois 60505

Phone: 630- 851- 4722

Fax: 630- 851- 5040

www.conwin.com

General Description

The SCG2500 is a mixed-signal phase lock loop

generating CMOS outputs from an intrinsically low jitter

voltage controlled crystal oscillator.

The SCG2500 can lock to one of two possible input

reference frequencies at 8 kHz which is selectable using

one input select pin.

Further features include an alarm output to indicate

Loss of Reference, LOR, or Loss of Lock, LOL. If only

one of the references is lost, the unit will disable its

phase detector and will signal an alarm, but will not

switch reference automatically. If both references are

lost, the SCG2500 will enter a Free Run state which will

guarantee a 20 ppm accurate output. Additionally, the

Free Run mode may be entered manually by applying a

high signal to the Force Free Run pin. If the unit is in

Free Run mode, the Free Run status pin will be high.

All outputs, except the Oscillator Output, may be put

into the tri-state high impedance condition for external

testing purposes by applying a high signal to the Reset/

Tri-State pin.

The filtered 8 kHz is derived from the oscillator

output. The offset between the filtered output and the

reference input will change with each reference

rearrangement.

The package maximum dimensions are .780” x .830”

x .35” on a six layer FR4 board with surface mount pins.

Parts are assembled using high temperature solder to

withstand surface mount reflow process.

Features

•

Phase Locked Output

Frequency Control

•

Intrinsically Low Jitter Crystal

Oscillator

•

Two Selectable References @ 8

kHz

•

Alarm Output

•

Tri-Statable Alarm Outputs and

Reference Output

•

Force Free Run Function

•

Automatic Free Run Operation

upon loss of both references

•

Input Duty Cycle Tolerant

•

3.3 Volt Power Supply

•

Small Size: 0.78” x 0.83” x 0.35”

maximum

•

Surface Mount, DIL Package

US Headquarters:

630-851-4722

European Headquarters:

+353-61-472221

SCG2500-051.84M Related Products

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Description	Support Circuit, 1-Func, 0.780 X 0.830 INCH, 0.350 INCH HEIGHT, DIP-14	Support Circuit, 1-Func, 0.780 X 0.830 INCH, 0.350 INCH HEIGHT, DIP-14	Support Circuit, 1-Func, 0.780 X 0.830 INCH, 0.350 INCH HEIGHT, DIP-14	Support Circuit, 1-Func, 0.780 X 0.830 INCH, 0.350 INCH HEIGHT, DIP-14	Support Circuit, 1-Func, 0.780 X 0.830 INCH, 0.350 INCH HEIGHT, DIP-14	Support Circuit, 1-Func, 0.780 X 0.830 INCH, 0.350 INCH HEIGHT, DIP-14	Support Circuit, 1-Func, 0.780 X 0.830 INCH, 0.350 INCH HEIGHT, DIP-14	Support Circuit, 1-Func, 0.780 X 0.830 INCH, 0.350 INCH HEIGHT, DIP-14
Is it lead-free?	Contains lead	Contains lead	Contains lead	Contains lead	Contains lead	Contains lead	Contains lead	Contains lead
Is it Rohs certified?	incompatible	incompatible	incompatible	incompatible	incompatible	incompatible	incompatible	incompatible
Parts packaging code	DMA	DMA	DMA	DMA	DMA	DMA	DMA	DMA
Contacts	14	14	14	14	14	14	14	14
Reach Compliance Code	unknown	unknown	unknown	unknown	unknown	unknown	unknown	unknown
JESD-30 code	R-XDMA-J14	R-XDMA-J14	R-XDMA-J14	R-XDMA-J14	R-XDMA-J14	R-XDMA-J14	R-XDMA-J14	R-XDMA-J14
Number of functions	1	1	1	1	1	1	1	1
Number of terminals	14	14	14	14	14	14	14	14
Maximum operating temperature	70 °C	70 °C	70 °C	70 °C	70 °C	70 °C	70 °C	70 °C
Package body material	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED
Package shape	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package form	MICROELECTRONIC ASSEMBLY	MICROELECTRONIC ASSEMBLY	MICROELECTRONIC ASSEMBLY	MICROELECTRONIC ASSEMBLY	MICROELECTRONIC ASSEMBLY	MICROELECTRONIC ASSEMBLY	MICROELECTRONIC ASSEMBLY	MICROELECTRONIC ASSEMBLY
Peak Reflow Temperature (Celsius)	217	217	217	217	217	217	217	217
Certification status	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Nominal supply voltage	3.3 V	3.3 V	3.3 V	3.3 V	3.3 V	3.3 V	3.3 V	3.3 V
surface mount	YES	YES	YES	YES	YES	YES	YES	YES
Telecom integrated circuit types	ATM/SONET/SDH SUPPORT CIRCUIT	ATM/SONET/SDH SUPPORT CIRCUIT	ATM/SONET/SDH SUPPORT CIRCUIT	ATM/SONET/SDH SUPPORT CIRCUIT	ATM/SONET/SDH SUPPORT CIRCUIT	ATM/SONET/SDH SUPPORT CIRCUIT	ATM/SONET/SDH SUPPORT CIRCUIT	ATM/SONET/SDH SUPPORT CIRCUIT
Temperature level	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL
Terminal form	J BEND	J BEND	J BEND	J BEND	J BEND	J BEND	J BEND	J BEND
Terminal location	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED
Base Number Matches	1	1	1	1	1	1	1	1
app	SONET	SONET	SONET	SONET	SONET	-	SONET	SONET

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