D118 Просмотр технического описания (PDF) - Semtech Corporation
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D118 Datasheet PDF : 11 Pages
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EDGE HIGH-PERFORMANCE PRODUCTS
Circuit Description
Chip Overview
The Edge118 is a clock distribution chip designed to
take one input signal (IN / IN*) and fan it out 18 times
to identical outputs (OUT / OUT*). The chip is designed
to minimize channel to channel skew and any timing jitter.
The part’s wide fanout is extremely useful in applications
where many distinct copies of a signal are required on
one PC Board, and these signals must all be aligned.
This signal can be distributed without creating a
distribution tree using multiple devices.
Inputs
The input signal is differential, requiring 250 mV swings
for full performance operation. The inputs are ECL
compatible, but may also be operated over a common
mode voltage range between VEE + 1.3V and VCC – .5V.
Outputs
IN
The outputs are ECL compatible differential signals with IN*
800 mV voltage swings centered around 1.3V below GND.
Operating Frequency
The Edge118 is designed to maintain full performance
up to at least 1000 MHz and pass 500 ps pulses.
2000 Semtech Corp.
4
Edge118
OUT 0
OUT 0*
OUT 1
OUT 1*
OUT 2
OUT 2*
OUT 3
OUT 3*
OUT 4
OUT 4*
OUT 5
OUT 5*
OUT 6
OUT 6*
OUT 7
OUT 7*
OUT 8
OUT 8*
OUT 9
OUT 9*
OUT 10
OUT 10*
OUT 11
OUT 11*
OUT 12
OUT 12*
OUT 13
OUT 13*
OUT 14
OUT 14*
OUT 15
OUT 15*
OUT 16
OUT 16*
OUT 17
OUT 17*
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