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Micrel, Inc.
NOT RECOMMENDED FOR NEW DESIGNS
SINGLE SUPPLY 1:9 PECL/TTL-TO-PECL
Precision Edge®
Precision SEYd1g00eS®811
SY100S811
FEATURES
s PECL version of popular ECLinPS E111 s Low skew s Guaranteed skew spec s VBB output s TTL enable input s Selectable TTL or PECL clock input s Single +5V supply s Differential internal design s Similar pin configuration to E111 s PECL I/O fully compatible with industry standard s Internal 75KΩ PECL input pull-down resistors s Available in 28-pin PLCC and SOIC packages
BLOCK DIAGRAM
EIN EIN
TIN
TEN
0 1
VBB
Q0 Q0 Q1 Q1 Q2 Q2 Q3 Q3 Q4 Q4 Q5 Q5 Q6 Q6 Q7 Q7 Q8 Q8
Precision Edge®
DESCRIPTION
The SY100S811 is a low skew 1-to-9 PECL differential driver designed for clock distribution in new, highperformance PECL systems.