SI5338M-A-GMR Silicon Laboratories Inc, SI5338M-A-GMR Datasheet - Page 163

• Manufacturer Part Number: SI5338M-A-GMR
• Manufacturer: Silicon Laboratories Inc

Pin #
GND
PAD
15
16
17
18
19
20
21
22
23
24
Pin Name
VDDO2
VDDO1
VDDO0
CLK1B
CLK1A
CLK0B
CLK0A
GND
GND
VDD
SDA
GND
GND
VDD
VDD
VDD
VDD
I/O
I/O
O
O
O
O
Table 17. Si5338 Pin Descriptions (Continued)
Signal Type
LVCMOS
Supply
Supply
Supply
Supply
GND
Multi
Multi
Multi
Multi
GND
Output Clock Supply Voltage.
Supply voltage (3.3, 2.5, 1.8, or 1.5 V) for CLK2A,B.
A 0.1 µF capacitor must be located very close to this pin. If CLK2 is
not used, this pin must be tied to VDD (pin 7, 24).
Output Clock Supply Voltage.
Supply voltage (3.3, 2.5, 1.8, or 1.5 V) for CLK1A,B.
A 0.1 µF capacitor must be located very close to this pin. If CLK1 is
not used, this pin must be tied to VDD (pin 7, 24).
Output Clock B for Channel 1.
May be a single-ended output or half of a differential output with
CLK1A being the other differential half. If unused, leave this pin
floating.
Output Clock A for Channel 1.
May be a single-ended output or half of a differential output with
CLK1B being the other differential half. If unused, leave this pin
floating.
I
This is the serial data for the I
required. Typical values would be 1–4 k. See the I
for more information. This pin is 3.3 V tolerant regardless of the
other supply voltages on pins 7, 11, 15, 16, 20, 24.
Output Clock Supply Voltage.
Supply voltage (3.3, 2.5, 1.8, or 1.5 V) for CLK0A,B.
A 0.1 µF capacitor must be located very close to this pin. If CLK0 is
not used, this pin must be tied to VDD (pin 7, 24).
Output Clock B for Channel 0.
May be a single-ended output or half of a differential output with
CLK0A being the other differential half. If unused, leave this pin
floating.
Output Clock A for Channel 0.
May be a single-ended output or half of a differential output with
CLK0B being the other differential half. If unused, leave this pin
floating.
Ground.
Must be connected to system ground. Minimize the ground path
impedance for optimal performance of this device.
Core Supply Voltage.
The device operates from a 1.8, 2.5, or 3.3 V supply. A 0.1 µF
bypass capacitor should be located very close to this pin.
Ground Pad.
This is the large pad in the center of the package. Device
specifications cannot be guaranteed unless the ground pad is
properly connected to a ground plane on the PCB. See Table 20,
“PCB Land Pattern,” on page 167 for ground via requirements.
2
C Serial Data.
Rev. 0.6
Description
2
C bus. A pullup resistor at this pin is
2
Si5338
C bus spec
163