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SY10H842

Micrel Semiconductor
Part Number SY10H842
Manufacturer Micrel Semiconductor
Description SINGLE SUPPLY QUAD PECL-TO-TTL OUTPUT ENABLE
Published Jan 27, 2007
Detailed Description Micrel, Inc. NOT RECOMMENDED FOR NEW DESIGNS SINGLE SUPPLY QUAD PECL-TO-TTL OUTPUT ENABLE Precision Edge® Precision SE...
Datasheet PDF File SY10H842 PDF File

SY10H842
SY10H842


Overview
Micrel, Inc.
NOT RECOMMENDED FOR NEW DESIGNS SINGLE SUPPLY QUAD PECL-TO-TTL OUTPUT ENABLE Precision Edge® Precision SESYdY110g00eHH®884422 SY10H842 SY100H842 FEATURES s Translates positive ECL-to-TTL (PECL-to-TTL) s 300ps pin-to-pin skew s 500ps part-to-part skew s Differential internal design for increased noise immunity and stable threshold inputs s VBB reference output s Single supply s Enable input s Extra TTL and ECL power/ground pins to reduce cross-talk/noise s High drive capability: 24mA each output s Fully compatible with industry standard 10K, 100K I/O levels s Available in 16-pin SOIC package Precision Edge® DESCRIPTION The SY10/100H842 are single supply, low skew translating 1:4 clock drivers.
The devices feature a 24mA TTL output stage, with AC performance specified into a 50pF load capacitance.
A HIGH on the enable pin (EN) forces all outputs LOW.
As frequencies increase to 40MHz and above, precise timing and shaping of clock signals becomes extremely important.
The H842 solves several clock distribution problems such as minimizing skew 300ps), maximizing clock fanout (24mA drive), and precise duty cycle control through a proprietary differential internal design.
The 10K version is compatible with 10KH ECL logic levels.
The 100K version is compatible with 100K levels.
BLOCK DIAGRAM TTL Outputs Q0 Q1 Q2 PIN NAMES Pin GT VT VE GE D, D VBB Q0 - Q3 EN Function TTL Ground (0V) TTL VCC (+5.
0V) ECL VCC (+5.
0V) ECL Ground (0V) Signal Input (PECL) VBB Reference Output (PECL) Signal Outputs (TTL) Enable Input (PECL) ECL Input D D VBB EN Q3 Precision Edge is a registered trademark of Micrel, Inc.
M9999-032906 hbwhelp@micrel.
com or (408) 955-1690 1 Rev.
: F Amendment: /0 Issue Date: March 2006 Micrel, Inc.
Precision Edge® SY10H842 SY100H842 PACKAGE/ORDERING INFORMATION GT 1 16 Q3 EN 2 15 GT GE 3 14 Q2 VE 4 SOIC 13 VT D 5 Z16-1 12 VT D6 11 Q1 VBB 7 10 GT GT 8 9 Q0 16-Pin SOIC (Z16-1) Ordering Information(1) Part Number SY10H842ZC ...


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