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SY100EP196V

3.3V/5V 2.5GHz PROGRAMMABLE DELAY WITH FINE TUNE CONTROL

Micrel 

Micrel, Inc.

ECL Pro®

SY100EP196V

Fine Tune Control

In addition to the digital delay control, the FTUNE input

permits a continuous variation in delay. Though it may be

set to any voltage between VCC and VEE, most of the delay

variation occurs between VEE and VEE + 1.5V. Refer to

“Typical Operating Characteristics.” For convenience, a VCC

of 3.3V is assumed. Typically, the FTUNE input will be fed

by a DAC whose purpose is to provide extremely fine delay

under digital control.

Signal Path Logic Standard

PECL

LVPECL

NECL

VCC

+4.5V to +5.5V

+3.0V to +3.6V

0V

VEE

0V

0V

–3.0 to –5.5V

Table 6. Signal Path Logic Standard

Delay Control Input Choices

PECL, CMOS, TTL

LVPECL, CMOS, TTL

NECL

M9999-072706

hbwhelp@micrel.com or (408) 955-1690

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