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Micrel, Inc.
NOT RECOMMENDED FOR NEW DESIGNS
DUAL SUPPLY OCTAL ECL-TO-TTL
Precision Edge®
PrecisionSYE1d00gHeA®643
SY100HA643
FEATURES
■ ECL/TTL version of popular ECLinPS™ E111 ■ 400ps within device skew ■ 800ps part-to-part skew ■ Latch ■ Differential internal design ■ VBB output ■ Dual supply ■ Reset/Enable ■ Multiple TTL and ECL power/ground pins ■ Fully compatible with MC100H643 ■ Higher performance than H643 versions ■ Industrial temperature availability ■ Available in 28-pin PLCC package
BLOCK DIAGRAM
Q0
Q1
Q2
D D VBB
LEN
EN
D Q
Q3 TTL OUTPUTS
Q4 Q5
Precision Edge®
DESCRIPTION
The SY100HA643 is an enhanced dual supply, low skew translating 1:8 clock driver.