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EVM142AHF датащи(PDF) 4 Page - Semtech Corporation

номер детали EVM142AHF
подробное описание детали  Per Pin timing Deskew w 4x2 Cross Point Switch
PDF  19 Pages
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производитель  SEMTECH [Semtech Corporation]
домашняя страница  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

EVM142AHF датащи(HTML) 4 Page - Semtech Corporation

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 2000 Semtech Corp.
www.semtech.com
EDGE HIGH-PERFORMANCE PRODUCTS
Edge142
Circuit Description
Chip Overview
The Edge142 is a 4 X 2 cross point switch and deskew
element, offering an 1.5 ns delay (Tspan), where the
VDELAY inputs adjust the overall propagation delay of
the part. In addition, the part supports a separate falling
edge delay of 300 ps (Tfall), where the VFALL inputs
control the falling edge delay.
Two additional outputs, which are selectable from either
OUT0 or OUT1, are provided. These outputs are useful
when attempting to fanout a selected input to multiple
destination without using and external buffer. All output
signals may be enabled or disabled.
The Edge142 is designed to be monotonic and very
stable. Figure 1 shows a simplified block diagram.
Figure 1. Edge142 Block Diagram
VDELAY0
VFALL0
OUT0 / 0*
OUT1 / 1*
MUX OUT0 / 0*
MUX OUT1 / 1*
VDELAY1
VFALL1
IN0 / 0*
IN1 / 1*
IN2 / 2*
IN3 / 3*
0
1
2
3
3
2
1
0
∆ T
∆ T
∆ T
∆ T
VMID1
MUX1 SEL
S11 S10
0
0
1
1
S01 S00
VMID0
MUX0 SEL EN* MUX EN



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