2©2017 Integrated Device Technology, Inc. October 25, 2017
MicroClock
®
5X2503 / 5L2503 Family Evaluation Board User Manual
Table 2. Socket Evaluation Board Descriptions
Label Number Label Name Description
1 Device ID Define the evaluation board supports for 5X2503 or 5L2503.
2 Probing Nodes
Test points for single-ended outputs; SE1, SE2, SE3 and Reference with
GND test points in between.
3 Power Supply Nodes
Applying external power supply with 1.8V for the core and output voltage.
GND node is placed next to the V
DD
node.
4 26MHz Crystal
Crystal with 8pF load is populated for 5L2503. For 5X2503; the crystal is
not populated.
5 Jumper A switch jumper to control OE1 function.
6LEDs
Two LED lights to indicate the OTP burn process (for more information,
see the MicroClock 5X2503 / 5L2503 Family Development Kit User
Manual).
7 SMA connector for OUT1 Additional frequency test connector using SMA for OUT1.
8 MicroClock Part MicroClock device; either 5X2503 or 5L2503.
9 SMA Connector for PPS Mode on OUT1 SMA connector for PPS mode validation.
10 Part Indication Indication for device orientation.
11 DIP Switch
Used to configure the device in different modes (software mode as default
for I
2
C control; hardware mode as output pin control selection).
