SI53152 Datasheet, PDF (15/22 Pages) Silicon Laboratories – PCI-EXPRESS GEN 1, GEN 2, GEN 3, AND GEN 4 FANOUT BUFFER

5. Pin Descriptions: 24-Pin QFN
Si53152
Pin #
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
VDD 1
NC 2
VDD 3
VSS 4
OE_DIFF0* 5
VDD 6
24 23 22 21 20 19
18 OE_DIFF1*
17 VDD
25
GND
16 _DIFF1
15 DIFF1
14 DIFF0
13 DIFF0
7 8 9 10 11 12
*Note: Internal 100 kohm pull-up.
Figure 4. 24-Pin QFN
Name
VDD
NC
VDD
VSS
OE_DIFF0
VDD
NC
NC
NC
NC
NC
VDD
DIFF0
DIFF0
DIFF1
Table 6. Si53152 24-Pin QFN Descriptions
Type
PWR 3.3 V power supply.
Description
NC No connect.
PWR 3.3 V power supply.
GND Ground.
I,PU Active high input pin enables DIFF0 (internal 100 k pull-up).
Refer to Table 1 on page 4 for OE specifications.
PWR 3.3 V power supply.
NC No connect.
NC No connect.
NC No connect.
NC No connect.
NC No connect.
PWR 3.3 V power supply.
O, DIF 0.7 V, 100 MHz differential clock.
O, DIF 0.7 V, 100 MHz differential clock.
O, DIF 0.7 V, 100 MHz differential clock.
Rev. 1.1
15