Epoch Platform OCXO

Critical network infrastructure requires time accurate to the nanosecond. SiTime’s Epoch Platform™ MEMS OCXOs are designed to deliver this accuracy in real world environments to maximize service continuity, keeping people and businesses connected.

Device*

Stability

Holdover

(1.5 µs)

Frequency

Temp. Range

Size (mm)

Features

SiT5811

±1 ppb

12 hours

10 to 60 MHz

Up to
-40 to +95°C

9.0 x 7.0 x 3.6

420 mW power consumption,
±10 ppt/°C frequency slope

SiT5812

±1 ppb

12 hours

60 to 220 MHz

Up to
-40 to +95°C

9.0 x 7.0 x 3.6

460 mW power consumption,
±10 ppt/°C frequency slope

SiT5801

±3, 5 ppb

8 hours

10 to 60 MHz

Up to
-40 to +95°C

9.0 x 7.0 x 3.6

420 mW power consumption,
±20 ppt/°C frequency slope

SiT5802

±3, 5 ppb

8 hours

60 to 220 MHz

Up to
-40 to +95°C

9.0 x 7.0 x 3.6

460 mW power consumption,
±20 ppt/°C frequency slope

* All devices offer: (1) digital frequency pulling (DCOCXO) via I2C/SPI with up to ±400 ppm pull range and resolution down to 0.05 ppt; (2) supply voltage options of 2.5V, 2.8V, and 3.3V; and (3) regulated LVCMOS or clipped sinewave output. * For aerospace and defense applications, please contact Alcom.