1.5~5.5V 32.768kHz Low Power Oscillator

  • Extremely low current consumption
  • Operational from 1.5V ~ 5.5V
  • Tuning fork resonator
  • Miniature ceramic package with metal lid
  • Competitive pricing
Configurable Options
ParameterOption Code

The GFO-3301 has no configurable options.
Please see the specifications table for more details or contact our team today if you have other specification requirements.

Quantity / Special Request

Please specify the quantity you require below.

The GFO-3301 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 GFO-3301 32.768kHz oscillator solution uses a tuning fork resonator to produce CMOS output whilst consuming very low supply current of only 1.5µA. This miniature oscillator also features very low standby current consumption of only 1.0µA.

The GFO-3301 also features -40 to +85°C operating temperature range and enable/disable tristate functionality as standard. 

If you need a 32.768kHz oscillator solution with tighter temperature stability please consider the GAO-3301.

Frequency 32.768kHz
Dimensions 3.2 x 2.5 x 1.0mm
Operating temperature range -40 to +85°C
Storage temperature range -55 to +125°C
Frequency tolerance @ 25°C -15ppm ~ +25ppm
Temperature stability (wrt 25°C) -120ppm ~ +10ppm, -20~+70°C
Supply voltage (VDD) Operable from +1.5 ~ +5.5V
Supply current 1.5μA max (3.3V, no load)
Driving ability 15pF CMOS
Logic levels ‘0’ level = 0.4VDD max
‘1’ level = VDD-0.4V min
Waveform symmetry 40:60 @ 50%VDD
Rise / fall time 20ns typ, 200ns max
Start up time 1s max
Stand-by current 1µA max
Package Drawing
Golledge 3225 SM oscillator package
Ordering Information

To request a quotation for the GFO-3301 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.

CAD Models

Our GFO-3301 is included in the following design libraries. Click to download the library of your choice.

Enable / Disable Function
Input (pad 1)Output (pad 3)
Open Enabled
'1' level (VIH=70% VDD min) Enabled
'0' level (VIL=30% VDD min) High Impedance
Soldering Profile
Solder reflow profile
Tape & Reel Specification
Tape and Reel specifications
Handling & Storage

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

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

  • Ceramic body with gold-plated pads
  • Metal lid, seam sealed

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