SI5023 Datasheet, PDF (26/28 Pages) Silicon Laboratories – MULTI-RATE SONET/SDH CDR IC WITH LIMITING AMPLIFIER

Si5023
7. Package Outline
Figure 22 illustrates the package details for the Si5023. Table 10 lists the values for the dimensions shown in the
illustration. For a pad layout recommendation please contact Silicon Laboratories.
2X
A
D
0.10 C A
D/2
D1
D1/2
N
A
2X
0.10 C B
1
2
E1/2 E/2
3
E1
E
0.05 C
A1
E2
b
0.10 M C A B
D2
N
1
2
3
(Ne–1) Xe
REF.
TOP VIEW
B
C ^C_L C
θ_C
b
L
SEATING
PLANE
A1
e
(Nd–1) Xe
REF.
BOTTOM VIEW
SECTION "C–C"
e
SCALE: NONE
Approximate device weight is 62.2 mg.
Figure 22. 28-Lead Quad Flat No-Lead (QFN)
Table 10. Package Diagram Dimensions
Controlling Dimension: mm
Symbol
Millimeters
Min
Nom
Max
A
—
0.85
0.90
A1
0.00
0.01
0.05
b
0.18
0.23
0.30
D
5.00 BSC
D1
4.75 BSC
D2
2.95
3.10
3.25
E
5.00 BSC
E1
4.75 BSC
E2
2.95
3.10
3.25
N
28
Nd
7
Ne
7
e
0.50 BSC
L
0.50
0.60
0.75
θ
12°
26
Rev. 1.25