Low Power Ultra-Miniature 32.768kHz SM Oscillator

  • Ultra-miniature 32.768kHz oscillator
  • Ultra-low power consumption
  • Tight frequency tolerance
  • Optional AEC-Q200 qualification
  • High shock and vibration resistance
Configurable Options
ParameterOption Code
Calibration tolerance
Operating temperature range
Quantity / Special Request

Please specify the quantity you require below.

The OM7605C9 is supplied on tape and reel. 1k or 3k pcs per reel are the standard T&R pack sizes for this product. Partial quantities may be supplied on tape (no reel), or in bulk.

Product Description

The OM7605C9 is an ultra-miniature 32.768kHz oscillator with 1.6 x 1.0 x 0.6mm package and is operable from 1.6~5.5V.

Featuring tight calibration tolerance of ±20ppm with other values available on request, the OM7605C9 also features ultra-low current consumption of 0.45μA typical, and has optional AEC-Q200 qualification.

This oscillator also has low ageing characteristics of just ±3ppm first year maximum at 25°C, and is available with either -40 to +85°C operating temperature range or extended operating temperature range of -40 to +125°C, and with good shock and vibration resistance characteristics.

Frequency 32.768kHz
Dimensions 1.6 x 1.0 x 0.6mm
Turnover temperature (T0) +25°C ±5°C
Frequency / temp coefficient -0.035ppm/°C2 ±10%
Storage temperature range -55 to +125°C
Supply voltage (VDD) Operable from 1.6 ~ 5.5V
Supply current (backup mode) 0.45μA typ, 0.65μA max
(VDD 3.0V, output disabled, 25°C)
Logic levels ‘0’ level = +0.4V max
‘1’ level = VDD-0.4V min
Waveform symmetry 40:60 max @ 50%VDD
Driving ability CMOS
Voltage coefficient ±3ppm/V max
Rise / fall time 30ns typ, 70ns max
Start up time 50ms typ, 500ms max @ 25°C
Enable / disable function Control via pad 3
Ageing ±3ppm max first year @ 25°C
Shock resistance ±5ppm, 5,000g, 0.3ms ½-sine
Vibration resistance ±5ppm, 20g rms 10.0 ~ 2,000Hz
Soldering condition Reflow, 260°C, 20 sec max
Net mass 3.06mg
Package Drawing
Ordering Information

To request a quotation for the OM7605C9 please use the configurable options form to choose the options you require and then submit your configured product to our team. Our expert advisers are always happy to help with your requirements and can be contacted on +44 1460 256 100 or at

Following product selection you will be issued with a seven character Golledge part number. Your Golledge part number is the internationally accepted Golledge manufacturing part number (MPN) that should be used for all project documentation, including bills of materials (BoMs) and purchase orders.

If you have any queries regarding any of our documentation our dedicated sales team will be happy to help.

Enable / Disable Function
Input (pad 3)Output (pad 1)
'1' level Enabled
'0' level Disabled

Note: Pad 3 should not be allowed to float

Tape & Reel Specification
Tape and Reel specifications

A:178 / B:8 / C:1.8 / D:1.2 / E:4 / F:0.6 / G:61.5 / H:21.5

Handling & Storage

ESD-HBM-1A Human Body Model (HBM) 1A (250V to <500V)

MSL1 Moisture Sensitivity Level (MSL): 1 (or not applicable)


Ceramic base and metal lid


PbFree Lead-free (< 0.1% by weight )

RoHS compliant with no exemptions RoHS compliant with no exemptions. See our declaration

REACH REACH compliant. See our statement

Conflict Minerals Statement Free of conflict minerals. See our declaration

Halogen Free Statement Free of Halogens. See our declaration

Ozone Depletion Statement Free of Ozone-depleting substances. See our declaration

Block Diagram
Block Diagram