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Micrel, Inc.
NOT RECOMMENDED FOR NEW DESIGNS
8-INPUT PECL DIFFERENTIAL MUX WITH TTL SELECTS
SY100S863
SY100S863
FEATURES
s Low skew s Differential PECL inputs s Differential cut-off PECL outputs capable of driving
25Ω load for driving data bus s Tri-state TTL output s TTL select and enable input s Internal 75KΩ PECL input pull-down resistors s PECL I/O fully compatible with industry standard s Available in 28-pin PLCC package
DESCRIPTION
The SY100S863 is a PECL 8:1 multiplexer designed for use in new, high-performance PECL systems. It has differential PECL outputs and a standard TTL output. The TTL select inputs (SEL0, SEL1, SEL2) determine which one of the eight differential PECL data inputs (D0–D7) is propagated to the outputs. The enable pin, EN, is provided for expansion.