SI53159-A01AGM Datasheet, PDF (15/22 Pages) Silicon Laboratories – PCI-EXPRESS GEN 1, GEN 2, & GEN 3 NINE OUTPUT FANOUT BUFFER

5. Pin Descriptions: 48-Pin QFN
Si53159
48 47 46 45 44 43 42 41 40 39 38 37
VDD_DIFF 1
36 DIFF8
VDD_DIFF 2
35 DIFF8
OE_DIFF0¹ 3
34 _{VDD_DIFF}
OE_DIFF1¹ 4
VDD_DIFF 5
VSS_DIFF 6
VSS_DIFF 7
OE_DIFF2¹ 8
49
GND
33 DIFF7
32 DIFF7
31 DIFF6
30 DIFF6
29 _{VSS_DIFF}
OE_DIFF3¹ 9
OE_DIFF[4:5]¹ 10
OE_DIFF[6:8]^{1 11}
VDD_DIFF 12
28 _DIFF5
27 DIFF5
26 DIFF4
25 DIFF4
13 14 15 16 17 18 19 20 21 22 23 24
.
Pin #
1
2
3
4
5
6
7
8
Notes:
1. Internal 100 kohm pull-up.
2. Internal 100 kohm pull-down.
Name
VDD_DIFF
VDD_DIFF
OE_DIFF0
OE_DIFF1
VDD_DIFF
VSS_DIFF
VSS_DIFF
OE_DIFF2
Table 6. Si53159 48-Pin QFN Descriptions
Type
PWR 3.3 V power supply.
Description
PWR 3.3 V power supply.
I,PU Active high input pin enables DIFF0 (internal 100 k pull-up).
I,PU Active high input pin enables DIFF1 (internal 100 k pull-up).
PWR 3.3 V power supply.
GND Ground.
GND Ground.
I,PU Active high input pin enables DIFF2 (internal 100 k pull-up).
Rev. 1.0
15