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OR2C04A Datasheet(PDF) 128 Page - List of Unclassifed Manufacturers

Part # OR2C04A
Description  Field-Programmable Gate Arrays
PDF  192 Pages
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OR2C04A Datasheet(HTML) 128 Page - List of Unclassifed Manufacturers

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Data Sheet
ORCA Series 2 FPGAs
June 1999
128
Lucent Technologies Inc.
Package Parasitics (continued)
These parameters are important in determining ground bounce noise and inductive crosstalk noise. Three capaci-
tances in pF are listed: CM, the mutual capacitance of the lead to the nearest neighbor lead; and C1 and C2, the
total capacitance of the lead to all other leads (all other leads are assumed to be grounded). These parameters are
important in determining capacitive crosstalk and the capacitive loading effect of the lead.
The parasitic values in Table 30 are for the circuit model of bond wire and package lead parasitics. If the mutual
capacitance value is not used in the designer’s model, then the value listed as mutual capacitance should be added
to each of the C1 and C2 capacitors.
5-3862(F).r2
Figure 53. Package Parasitics
Table 30. Series 2 Package Parasitics
Package Type
LSW
LMW
RW
C1
C2
CM
LSL
LML
84-Pin PLCC
3
1
140
1
1
0.5
7—11
3—6
100-Pin TQFP
3
1
150
0.5
0.5
0.4
4—6
2—3
144-Pin TQFP
3
1
140
1
1
0.6
4—6
2—2.5
160-Pin QFP
4
1.5
180
1.5
1.5
1
10—13
6—8
208-Pin SQFP
4
2
200
1
1
1
7—10
4—6
208-Pin SQFP2
4
2
200
1
1
1
6—9
4—6
240-Pin SQFP
4
2
200
1
1
1
8—12
5—8
240-Pin SQFP2
4
2
200
1
1
1
7—11
4—7
256-Pin PBGA
5
2
220
1
1
1
5—8
2—4
304-Pin SQFP
5
2
220
1
1
1
12—18
7—12
304-Pin SQFP2
5
2
220
1
1
1
11—17
7—12
352-Pin PBGA
5
2
220
1.5
1.5
1.5
7—12
3—6
432-Pin EBGA
4
1.5
500
1
1
0.3
3—5.5
0.5—1
PAD N
CIRCUIT
BOARD PAD
CM
C1
LW
RW
LL
LMW
C2
C1
LML
C2
PAD N + 1
LW
RW
LL



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