Table of Contents
Signal Propagation Delay for Microstrip and Strip Lines with Distributed or Lumped
Loads
Table 11-2
Maximum Open Line Length for MECL 10,200, MECL 10H100, 10H210, 10H211 (Gate Rise Time = 2 ns)
Z
(OHMS)
o
MICROSTRIP
50
(Propagation
68
Delay 0.148 ns/in.)
75
82
90
100
STRIPLINE
50
(Propagation
68
Delay 0.188 ns/in.)
75
82
90
100
BACKPLANE
100
(Propagation
140
Delay 0.140 ns/in.)
180
FANOUT = 1
FANOUT = 2
(3.3pF)
(6.6pF)
l
(IN)
l
(IN)
MAX
MAX
3.5
2.8
3.2
2.3
3.0
2.2
2.9
2.0
2.8
1.9
2.6
1.8
2.8
2.2
2.5
1.9
2.4
1.7
2.3
1.6
2.2
1.5
2.0
1.4
2.8
1.8
2.4
1.4
2.0
1.0
Transmission Line Theory Applied to Digital Systems
FANOUT = 4
FANOUT = 8
(13.2pF)
(26.4pF)
l
(IN)
l
MAX
MAX
1.9
1.5
1.3
1.2
1.0
0.9
1.5
1.2
1.1
0.9
0.8
0.7
0.9
0.5
0.3
(IN)
1.2
0.8
0.7
0.6
0.5
0.4
1.0
0.6
0.6
0.5
0.4
0.3
0.4
0.3
0.1
11-19
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