SI5350C-B Datasheet, PDF (16/31 Pages) Silicon Laboratories – FACTORY-PROGRAMMABLE ANY-FREQUENCY CMOS CLOCK GENERATOR

Si5350C-B
5. Pin Descriptions
5.1. 20-pin QFN
XA 1
XB 2
P0 3
P1 4
P2 5
GND
PAD
15 CLK7
14 VDDOD
13 CLK0
12 CLK1
11 VDDOA
Figure 11. Si5350C 20-QFN Top View
Table 11. Si5350C 20-QFN Pin Descriptions
Pin Name Pin Number Pin Type
Function
XA
1
I
Input pin for external XTAL
XB
2
I
Input pin for external XTAL
CLKIN
6
I
External reference clock 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
3
I
User configurable pin 0. See 4.5.5
P1
4
I
User configurable pin 1. See 4.5.5
P2
5
I
User configurable pin 2. See 4.5.5
P3
7
I
User configurable pin 3. See 4.5.5
VDD
20
P
Core voltage supply pin. See 4.5.2
VDDOA
11
P
Output voltage supply pin for CLK0 and CLK1. See 4.5.2
VDDOB
10
P
Output voltage supply pin for CLK2 and CLK3. See 4.5.2
VDDOC
18
P
Output voltage supply pin for CLK4 and CLK5. See 4.5.2
VDDOD
14
P
Output voltage supply pin for CLK6 and CLK7. See 4.5.2
GND
Center Pad
P
Ground
Note: Pin Types: I = Input, O = Output, P = Power
16
Rev. 1.0