TKD Technology
XO25A156250HDLE31A

XO25A156250HDLE31A

Nominal Frequency: 156.250000 MHz

Supply Voltage: 1.8V Typical

Frequency Stability: ±20ppm

Aging: ±3.0 ppm First year at 25±3℃

Operating Temperature: -40~105℃

Package Size: SMD 2520 (2.5 x 2.0 mm)

Features of XO25A156250HDLE31A


1. Ultra-Compact SMD 2520 Package

Description: Approx. 2.5×2.0×0.725 mm, suitable for high-density PCB layout and automated placement.


2. 156.250000 MHz High-Frequency Output

Description: Nominal frequency 156.250000 MHz, suitable for high-speed communications, networking, and data-center clock applications.


3. LVDS Differential Output

Description: LVDS differential output with 100Ω load, providing strong anti-interference capability for high-speed differential clock transmission.


4. 1.8V Low-Voltage Supply

Description: Supply voltage range 1.71–1.89 V, typical 1.80 V, suitable for low-voltage and low-power system designs.


5. Wide Operating Temperature and High Frequency Stability

Description: Operating temperature -40 to +105°C, overall frequency stability ±20 ppm, suitable for stable clock output in harsh environments.


6. Ultra-Low Phase Jitter

Description: Phase jitter 30 fs-rms typ., 50 fs-rms max. over 12 kHz–20 MHz, helping reduce bit-error risk in high-speed SerDes, FPGA, and communication systems.


7. Low Power Consumption and Standby Function

Description: Operating current 19 mA max., standby current 60 µA max.; Pin 1 supports OE enable control, high level for output and low level for high impedance.


8. High-Speed Waveform Performance and High Reliability

Description: Rise/fall time 0.35 ns, duty cycle 45–55%, start-up time 10 ms max.; passes temperature cycling, aging, damp heat, UHAST, vibration, shock, and other reliability tests; compliant with Pb-free, RoHS 2.0, REACH, and HF.


9. Industry Applications

Description: Suitable for optical communications, data centers, network switching/routing, base stations, FPGA/SerDes, high-speed Ethernet, OTN, test and measurement, and other fields requiring a 156.25 MHz low-jitter LVDS clock; without confirmation, it must not be used in critical safety areas such as space technology, vehicle control, or military weapon development.

Specification of XO25A156250HDLE31A


ItemParametersConditionElectrical Specifications
MinTypMaxUnits
1Nominal Frequency

156.250000
MHz
2Oscillation Mode
Fundamental
3Frequency Stability Overall(Note1)-20
20ppm
4Operating Temperature Range
-40
105°C
5Supply Voltage
1.711.801.89V
6Supply CurrentOutput Enabled(Idd/OE)

19mA
7Standby Function
Yes
8Current Consumption(Standby)OE=Low

60μA
9Output Waveform
HLVDS
10Output SwingOUT/OUTN0.4
0.8V
11Differential output voltageOUT-OUTN0.8
1.6V
12Enable
80%Vdd

V
13Disable


20%VddV
14Output Rise/Fall Time20%~80% of Waveform

0.35ns
15Duty Cycle
455055%
16Output Load
100Ω
17Aging1st year@25°C-3
3ppm
18Start-up Time90%Vdd to Final Amplitude

10ms
19Phase Jitter12kHz - 20MHz
3050fs-rms
20Storage Temperature
-55
125°C


Note1 Frequency stability includes frequency tolerance@25±3°C, frequency stability vs. operating temperature range, voltage variance, load variance and first year aging

Dimensions of XO25A156250HDLE31A

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