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SY10H842L

Micrel Semiconductor
Part Number SY10H842L
Manufacturer Micrel Semiconductor
Description 3.3V SINGLE SUPPLY QUAD PECL-TO-TTL OUTPUT ENABLE
Published Jan 27, 2007
Detailed Description www.DataSheet4U.com 3.3V SINGLE SUPPLY QUAD PECL-TO-TTL OUTPUT ENABLE FEATURES s s s s s s s s s s s s 3.3V power suppl...
Datasheet PDF File SY10H842L PDF File

SY10H842L
SY10H842L

Overview
www.
DataSheet4U.
com 3.
3V SINGLE SUPPLY QUAD PECL-TO-TTL OUTPUT ENABLE FEATURES s s s s s s s s s s s s 3.
3V power supply Translates positive ECL-to-TTL (PECL-to-TTL) 300ps pin-to-pin skew 500ps part-to-part skew Differential internal design for increased noise immunity and stable threshold inputs VBB reference output Single supply Enable input Extra TTL and ECL power/ground pins to reduce cross-talk/noise High drive capability: 24mA each output Fully compatible with industry standard 10K, 100K I/O levels Available in 16-pin SOIC package ClockWorks™ PRELIMINARY SY10H842L SY100H842L DESCRIPTION The SY10/100H842L are single supply, low skew translating 1:4 clock drivers.
The devices feature a 24mA TTL output stage, with AC performance specified into a 20pF 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 PIN CONFIGURATION GT EN 1 2 3 4 5 6 7 8 SOIC Z16-1 16 15 14 13 12 11 10 9 Q3 GT Q2 VT VT Q1 GT Q0 Q0 GE VE D Q1 D VBB GT Q2 PIN NAMES Q3 ECL Input D D VBB EN Pin GT VT VE GE D, D VBB Q0 - Q3 EN Function TTL Ground (0V) TTL VCC (+3.
3V) ECL VCC (+3.
3V) ECL Ground (0V) Signal Input (PECL) VBB Reference Output (PECL) Signal Outputs (TTL) Enable Input (PECL) Rev.
: C Amendment: /1 1 Issue Date: August, 1999 Micrel ClockWorks™ PRELIMINARY SY10H842L SY100H842L TRUTH TABLE D L H X EN L L H Q L H L PIN DESCRIPTION Pin 1 2 3 4 Symbol GT EN GE VE D D VBB GT Q0 GT Q1 VT VT Q2 GT Q3 Description TTL Ground (0V) Enable Input (PECL) ECL Ground (0V) ECL VCC (+3.
3V) ECL Signal Input (Non-inverting) ECL...


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