SI52147 SILABS [Silicon Laboratories], SI52147 Datasheet - Page 17

• Manufacturer Part Number: SI52147
• Description: PCI-EXPRESS GEN 1, GEN 2, & GEN 3 NINE OUTPUT CLOCK GENERATOR
• Manufacturer: SILABS [Silicon Laboratories]

5. Pin Descriptions: 48-Pin QFN
Pin #
1
2
3
4
5
6
Notes:
1. Internal 100 kohm pull-up.
2. Internal 100 kohm pull-down.
VSS_PLL3
VSS_PLL4
OE[6:8]
OE[4:5]
SSON
SSON
Name
VDD
VDD
OE0
OE1
VSS
OE3
OE0
OE1
OE2
VDD
VDD
VDD
1
1
1
1
1
1
2
10
11
12
1
2
3
4
5
6
7
8
9
13
48
Table 7. Part Number 48-Pin QFN Descriptions
14
47
Type
PWR 3.3 V Power Supply
PWR 3.3 V Power Supply
I, PD 3.3 V-tolerant input for enabling –0.5% spread on DIFF clocks (internal
GND Ground
I,PU
I,PU
15
46
Refer to Table 1 on page 4 for OE specifications.
Refer to Table 1 on page 4 for OE specifications.
100 k pull-down)
3.3 V input to disable DIFF0 (internal 100 k pull-up).
3.3 V input to disable DIFF1 (internal 100 k pull-up).
16
45
Preliminary Rev. 0.1
17
44
18
43
GND
49
19
42
20
41
21
40
Description
22
39
23
38
24
37
36
35
34
33
32
31
30
29
28
27
26
25
DIFF4
DIFF8
DIFF8
VDD
DIFF7
DIFF6
VDD
DIFF7
DIFF6
DIFF5
DIFF5
DIFF4
Si52147
17