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SY89250VMI TR

Description
IC receiver diff 3.3V/5V 8-mlf
Categorysemiconductor    logic   
File Size52KB,6 Pages
ManufacturerMicrochip
Websitehttps://www.microchip.com
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SY89250VMI TR Overview

IC receiver diff 3.3V/5V 8-mlf

SY89250VMI TR Parametric

Parameter NameAttribute value
Datasheets
SY89250V
Product Photos
8-MLF
Standard Package1,000
CategoryIntegrated Circuits (ICs)
FamilyLogic - Specialty Logic
PackagingTape & Reel (TR)
Logic TypeDifferential Receive
Supply Voltage3.3V, 5V
Number of Bits-
Operating Temperature-40°C ~ 85°C
Mounting TypeSurface Mou
Package / Case8-VFDFN Exposed Pad, 8-MLF®
Supplier Device Package8-MLF® (2x2)
Other NamesSY89250VMITRSY89250VMITR-ND
Micrel, Inc.
ENHANCED DIFFERENTIAL
RECEIVER
Precision Edge
®
SY89250V
Precision Edge
®
SY89250V
FEATURES
s
3.3V and 5V power supply options
s
250ps propagation delay
s
Very high voltage gain
s
Ideal for Pulse Amplifier and Limiting Amplifier
applications
s
Data synchronous Enable/Disable (/EN) on Q
HG
and
/Q
HG
provides for complete glitchless gating of the
outputs
s
Ideal for gating timing signals
s
Complete solution for high quality, high frequency
crystal oscillator applications
s
Available in an ultra-small 8-pin (2mm
×
2mm)
MLF™ package
Precision Edge
®
DESCRIPTION
The SY89250V is a differential PECL/ECL receiver/buffer
in a space saving (2mm
×
2mm) MLF™ package. The device
is functionally equivalent to the SY100EL16VC, but features
a 70% smaller footprint. It provides a V
BB
output for either
single-ended application or as a DC bias for AC-coupling to
the device.
The SY89250V provides an /EN input which is synchro-
nized with the data input (D) signal in a way that provides
glitchless gating of the Q
HG
and /Q
HG
outputs. When the /EN
signal is LOW, the input is passed to the outputs and the data
output equals the data input. When the data input is HIGH and
the /EN goes HIGH, it will force the Q
HG
LOW and the /Q
HG
HIGH on the next negative transition of the data input. If the
data input is LOW when the /EN goes HIGH, the next data
transition to a HIGH is ignored and Q
HG
remains LOW and
/Q
HG
remains HIGH. The next positive transition of the data
input is not passed on to the data outputs under these
conditions. The Q
HG
and /Q
HG
outputs remain in their dis-
abled state as long as the /EN input is held HIGH. The /EN
input has no influence on the /Q output and the data input is
passed on (inverted) to this output whether /EN is HIGH or
LOW. This configuration is ideal for crystal oscillator applica-
tions, where the oscillator can be free running and gated on
and off synchronously without adding extra counts to the
output.
All support documentation can be found on Micrel’s web
site at www.micrel.com.
APPLICATIONS
s
Oscillator modules
BLOCK DIAGRAM
FUNCTIONAL CROSS REFERENCE
Micrel Part Number
SY89250V
PECL/ECL
100k
Functional Cross
SY100EL16VC
/Q
1
D
2
V
BB
3
V
BB
LEN Q
LATCH
OE
8
7
6
5
V
CC
Q
HG
/Q
HG
V
EE
/EN
4
D
Precision Edge is a registered trademark of Micrel, Inc.
MicroLeadFrame
and MLF are trademarks of Amkor Technology, Inc.
M9999-052505
hbwhelp@micrel.com or (408) 955-1690
Rev.: B
Amendment: /0
1
Issue Date: May 2005

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