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SY89231UMG-TR

Description
Clock Divider 1-OUT 1-IN 1:1 16-Pin MLF EP T/R
File Size413KB,15 Pages
ManufacturerMicrochip
Websitehttps://www.microchip.com
Environmental Compliance
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SY89231UMG-TR Overview

Clock Divider 1-OUT 1-IN 1:1 16-Pin MLF EP T/R

SY89231UMG-TR Parametric

Parameter NameAttribute value
EU restricts the use of certain hazardous substancesCompliant
ECCN (US)EAR99
Part StatusActive
HTS8542.39.00.01
TypeClock Divider
Fanout1:1
Number of Outputs per Chip1
Maximum Input Frequency (MHz)4500(Typ)
Maximum Propagation Delay Time @ Maximum CL (ns)8.1@2.375V to 2.625V
Absolute Propagation Delay Time (ns)8.1
Input Logic LevelCML|LVDS|PECL
Output Logic LevelLVDS
Minimum Operating Supply Voltage (V)2.375
Typical Operating Supply Voltage (V)2.5
Maximum Operating Supply Voltage (V)2.625
Maximum Quiescent Current (mA)95
Minimum Operating Temperature (°C)-40
Maximum Operating Temperature (°C)85
Supplier Temperature GradeIndustrial
PackagingTape and Reel
Supplier PackageMLF EP
Pin Count16
Standard Package NameQFN
MountingSurface Mount
Package Height0.85(Max)
Package Length3
Package Width3
PCB changed16
Lead ShapeNo Lead
SY89231U
3.2GHz Precision, LVDS ÷3, ÷5 Clock Divider
General Description
The SY89231U is a precision, low jitter 3.2GHz
÷3,
÷5
clock divider with a LVDS output. The differential
input includes Micrel’s unique, 3-pin internal
termination architecture that allows the input to
interface to any differential signal (AC- or DC-
coupled) as small as 100mV (200mV
PP
) without any
level shifting or termination resistor networks in the
signal path. The outputs are 325mV, 100K-
compatible LVDS with fast rise/fall times guaranteed
to be less than 200ps.
The SY89231U operates from a 2.5V ±5% supply
and is guaranteed over the full industrial
temperature range of –40°C to +85°C. The
SY89231U is part of Micrel’s high-speed, Precision
®
Edge product line.
All support documentation can be found on Micrel’s
web site at:
www.micrel.com.
Precision Edge
®
Features
Accepts a high-speed input and provides a precision
÷3
and
÷5
sub-rate, LVDS output
Guaranteed AC performance over temperature and
supply voltage:
– DC-to >3.2GHz throughput
– <810ps Propagation Delay (In-to-Q)
– <200ps Rise/Fall times
Ultra-low jitter design:
– <1ps
RMS
random jitter
– <1ps
RMS
cycle-to-cycle jitter
– <10ps
PP
total jitter (clock)
– <0.7ps
RMS
MUX crosstalk induced jitter
Unique patented internal termination and VT pin
accepts DC- and AC-coupled inputs (CML, PECL,
LVDS)
Wide input voltage range V
CC
to GND
325mV LVDS output
45% to 55% Duty Cycle (÷ 3)
47% to 53% Duty Cycle (÷ 5)
2.5V ±5% supply voltage
-40°C to +85°C industrial temperature range
Available in 16-pin (3mm x 3mm) QFN package
Block Diagram
Applications
Fail-safe clock protection
Markets
LAN/WAN
Enterprise servers
ATE
Test and measurement
United States Patent No. RE44,134
Precision Edge is a registered trademark of Micrel, Inc.
.
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com
November 2007
M9999-110507-A
hbwhelp@micrel.com
or (408) 955-1690

SY89231UMG-TR Related Products

SY89231UMG-TR SY89231UMG
Description Clock Divider 1-OUT 1-IN 1:1 16-Pin MLF EP T/R Clock Divider 1-OUT 1-IN 1:1 16-Pin MLF EP Tube
EU restricts the use of certain hazardous substances Compliant Compliant
ECCN (US) EAR99 EAR99
Part Status Active Active
HTS 8542.39.00.01 8542.39.00.01
Type Clock Divider Clock Divider
Fanout 1:1 1:1
Number of Outputs per Chip 1 1
Maximum Input Frequency (MHz) 4500(Typ) 4500(Typ)
Maximum Propagation Delay Time @ Maximum CL (ns) 8.1@2.375V to 2.625V 8.1@2.375V to 2.625V
Absolute Propagation Delay Time (ns) 8.1 8.1
Input Logic Level CML|LVDS|PECL CML|LVDS|PECL
Output Logic Level LVDS LVDS
Minimum Operating Supply Voltage (V) 2.375 2.375
Typical Operating Supply Voltage (V) 2.5 2.5
Maximum Operating Supply Voltage (V) 2.625 2.625
Maximum Quiescent Current (mA) 95 95
Minimum Operating Temperature (°C) -40 -40
Maximum Operating Temperature (°C) 85 85
Supplier Temperature Grade Industrial Industrial
Packaging Tape and Reel Tube
Supplier Package MLF EP MLF EP
Pin Count 16 16
Standard Package Name QFN QFN
Mounting Surface Mount Surface Mount
Package Height 0.85(Max) 0.85(Max)
Package Length 3 3
Package Width 3 3
PCB changed 16 16
Lead Shape No Lead No Lead
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