SI554 Datasheet, PDF (12/15 Pages) Silicon Laboratories – QUAD FREQUENCY VOLTAGE-CONTROLLED CRYSTAL

Si554
5. 8-Pin PCB Land Pattern
Figure 3 illustrates the 8-pin PCB land pattern for the Si554. Table 13 lists the values for the dimensions shown in
the illustration.
Figure 3. Si554 PCB Land Pattern
Table 13. PCB Land Pattern Dimensions (mm)
Dimension
D2
D3
e
E2
GD
GE
VD
VE
X1
X2
Y1
Y2
ZD
ZE
Min
Max
5.08 REF
5.705 REF
2.54 BSC
4.20 REF
0.84
—
2.00
—
8.20 REF
7.30 REF
1.70 TYP
1.545 TYP
2.15 REF
1.3 REF
—
6.78
—
6.30
Note:
1. Dimensioning and tolerancing per the ANSI Y14.5M-1994
specification.
2. Land pattern design follows IPC-7351 guidelines.
3. All dimensions shown are at maximum material condition
(MMC).
4. Controlling dimension is in millimeters (mm).
12
Rev. 1.1