SI53154 Datasheet, PDF (15/22 Pages) Silicon Laboratories – PCI-EXPRESS GEN 1, GEN 2, GEN 3, AND GEN 4 QUAD FANOUT BUFFER

5. Pin Descriptions: 24-Pin QFN
Si53154
Pin #
1
2
3
4
5
6
7
8
9
10
11
12
13
VDD 1
OE1* 2
VDD 3
VSS 4
OE2* 5
VDD 6
24 23 22 21 20 19
18 OE3*
17 VDD
25
GND
16 _DIFF3
15 DIFF3
14 DIFF2
13 DIFF2
7 8 9 10 11 12
Name
VDD
OE1
VDD
VSS
OE2
VDD
OE0
DIFF0
DIFF0
DIFF1
DIFF1
VDD
DIFF2
*Note: Internal 100 kohm pull-up.
Figure 4. 24-Pin QFN
Table 6. Si53154 24-Pin QFN Descriptions
Type
PWR 3.3 V power supply.
Description
I,PU Active high input pin enables DIFF1 (internal 100 k pull-up).
Refer to Table 1 on page 4 for OE specifications.
PWR 3.3 V power supply.
GND Ground.
I,PU Active high input pin enables DIFF2 (internal 100 k pull-up).
Refer to Table 1 on page 4 for OE specifications.
PWR 3.3 V power supply.
I,PU Active high input pin enables DIFF0 (internal 100 k pull-up).
Refer to Table 1 on page 4 for OE specifications.
O, DIF 0.7 V, differential clock output.
O, DIF 0.7 V, differential clock output.
O, DIF 0.7 V, differential clock output.
O, DIF 0.7 V, differential clock output.
PWR 3.3 V power supply.
O, DIF 0.7 V, differential clock output.
Rev. 1.1
15