SI5350B-B Datasheet, PDF (18/32 Pages) Silicon Laboratories – FACTORY-PROGRAMMABLE ANY-FREQUENCY CMOS CLOCK GENERATOR

Si5350B-B
5. Pin Descriptions
5.1. 20-pin QFN
XA 1
XB 2
VC 3
P0 4
P1 5
GND
PAD
15 CLK7
14 VDDOD
13 CLK0
12 CLK1
11 VDDOA
Figure 13. Si5350B 20-QFN Top View
Table 11. Si5350B 20-QFN Pin Descriptions
Pin Name
Pin
Pin Type*
Number
Function
XA
1
I
Input pin for external XTAL
XB
2
I
Input pin for external XTAL
VC
3
I
VCXO control voltage input
CLK0
13
O
Output clock 0
CLK1
12
O
Output clock 1
CLK2
9
O
Output clock 2
CLK3
8
O
Output clock 3
CLK4
19
O
Output clock 4
CLK5
17
O
Output clock 5
CLK6
16
O
Output clock 6
CLK7
15
O
Output clock 7
P0
4
I
User configurable input pin 0
P1
5
I
User configurable input pin 1
P2
6
I
User configurable input pin 2
P3
7
I
User configurable input pin 3
VDD
20
P
Core voltage supply pin
VDDOA
11
P
Output voltage supply pin for CLK0 and CLK1
VDDOB
10
P
Output voltage supply pin for CLK2 and CLK3
VDDOC
18
P
Output voltage supply pin for CLK4 and CLK5
VDDOD
14
P
Output voltage supply pin for CLK6 and CLK7
GND Center Pad
P
Ground
*Note: Pin Types: I = Input, O = Output, P = Power.
18
Rev. 1.0