Si5351a pin descriptions (10-pin msop), Si5351a/b/c – Silicon Laboratories SI5351A/B/C User Manual
Page 65
Si5351A/B/C
Preliminary Rev. 0.95
65
12. Si5351A Pin Descriptions (10-Pin MSOP)
Table 13. Si5351A 10-MSOP Pin Descriptions
Pin Name
Pin
Number
Pin Type*
Function
10-MSOP
XA
2
I
Input pin for external crystal.
XB
3
I
Input pin for external crystal.
CLK0
10
O
Output clock 0.
CLK1
9
O
Output clock 1.
CLK2
6
O
Output clock 2.
SCL
4
I
Serial clock input for the I
2
C bus. This pin must be pulled-up using a pull-
up resistor of at least 1 k
.
SDA
5
I/O
Serial data input for the I
2
C bus. This pin must be pulled-up using a pull-up
resistor of at least 1 k
.
VDD
1
P
Core voltage supply pin.
VDDO
7
P
Output voltage supply pin for CLK0, CLK1, and CLK2. See "6.2. Power
Supply Sequencing" on page 21.
GND
8
P
Ground.
*Note: I = Input, O = Output, P = Power
Si5351A 10-MSOP
Top View
XA
VDD
SCL
XB
2
1
4
3
CLK1
CLK0
VDDO
GND
9
10
7
8
SDA
5
CLK2
6