SI53019-A02A Datasheet, PDF (27/37 Pages) Silicon Laboratories – 19-OUTPUT PCIE GEN3 AND QPI BUFFER

5. Pin Descriptions: 72-Pin QFN
Si53019-A02A
VDDA 1
GNDA 2
IREF 3
100M_133M ⁴
HBW_BYPASS_LBW 5
PWRGD / PWRDN 6
GND ⁷
VDDR 8
CLK_IN 9
CLK_IN 10
SA_0 ¹¹
SDA ¹²
SCL 13
SA_1 14
NC 15
NC 16
FB_OUT ¹⁷
FB_OUT ¹⁸
Si53019-A02A
54 OE11
53 DIF_11
52 DIF_11
51 OE10
50 DIF_10
49 DIF_10
48 ^OE9
47 DIF_9
46 DIF_9
45 VDD
44 ^GND
43 OE8
42 ^DIF_8
41 ^DIF_8
40 ^OE7
39 DIF_7
38 DIF_7
37 OE6
Note: FB_OUT pins must be identically terminated to the other DIF outputs.
Rev. 1.1
27