Golledge can supply a wide range of 32.768 kHz (32768 Hz) devices to suit your application.
From the smallest footprint watch crystal to low-cost oscillators and real time clock modules with embedded tuning-fork crystal that offers improved stability and power efficiency.
These products are selected from our full range of crystals, oscillators and RTC modules for their availability and cost-effectiveness. Non-standard and custom options are always available.
The Golledge range allows the engineer to select the optimum balance of precision, power consumption, size, and price to suit their designs.
32.768kHz crystals, traditionally referred to as watch crystals, play an integral part of many modern timing solutions.
Our recommended 32.768kHz crystal solutions included several different form factors to allow the choice of the most up-to-date ultra-miniature packages (CM9V-T1A), and backwards compatibility when considering a re-design involving older technology (GWX-26 or GSX-200).
Several of these products, such as the GSX-315, CM7V-T1A and CM8V-T1A, also optionally feature additional application-specific qualifications, such as AEC-Q200 qualification for automotive projects.
With competitive pricing for high volume commercial projects, the GWX-26 32.768kHz watch crystal is ideal for applications expected to reach high commercial numbers. Configure your specifications here.
The plastic moulded surface mount package of the GSX-200 is a fully compatible drop in replacement for MC-306, DMX-26S, FSRLF, E1WS, SMQ32SL, RSM200S and other industrial standard plastic-package crystals. The ideal part for use within existing designs where a footprint has already been decided, the GSX-200 offers highly competitive pricing and is available up to industrial operating temperature ranges.
Our most popular 32.768kHz solution, the GSX-315 offers highly competitive pricing and low power consumption in a miniature vacuum sealed ceramic package.
The MS3V-T1R crystal features unique square profile for pick and place and is available in an ultra-miniature footprint package at low frequencies between 32.0 ~ 200kHz. Featuring a range of calibration tolerance and circuit condition options, in addition to high shock and vibration resistance, this crystal is ideal for a range of applications requiring a robust crystal solution.
The CM7V-T1A surface mount watch crystal offers high shock and vibration resistance within a minature ceramic package with metal lid. Optional automotive and military operating temparture ranges means this 32.768kHz crystal is available for a wide range of applications.
The ultra-miniature CM8V-T1A offers a 32.768kHz solution with ultra-low profile package and high shock and vibration resistance. The CM8V-T1A is available in automotive and extended operating temperature ranges, with full AEC-Q200 qualification on request, and features low drive level.
One of our smallest 32.768kHz surface mount crystal, the CM9V-T1A comes in a ultra-miniature ceramic package with metal lid and gold plated pads for increased solderability. This watch crystal also features high shock and vibration resistance and low power consumption as standard.
Our recommended 32.768kHz oscillators cover a wide range of potential usage cases, including the GHTXO for exceptional high temperature applications (up to 250°C), and the GAO-3201 with package size of just 2.5x2.0x0.8mm, for situations where board size is paramount. Many products also features tight stability options however, if stability over temperature is a requirement you may wish to check out our range of TCXOs here.
The GAO-3201 2.5x2.0mm 32.768kHz oscillator solution has excellent temperature stability specifications and is operable with any supply voltage within the 1.8V-5.0V range.
The miniature 3.2 x 2.5mm GAO-3301 offers a competitively priced 32.768kHz oscillator solution with a choice of operating temperature ranges and temperature stabilities. Find full specifications here.
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.
Featuring extreme operating temperature range of -55 to +250°C, the 3.3V GHTXOL oscillator is available as a 32.768kHz oscillator solution, or at higher frequencies from 1.5 ~ 30.0MHz.
Featuring extreme operating temperature range of -55 to +250°C, the 5.0V GHTXOS oscillator is available at frequencies from 1.5 ~ 50.0MHz and features exceptionally high shock and vibration resisatnce.
An ultra-minature 32.768kHz oscillator, the OV7604C7 is operable from 1.2-5.5V, and features tight calibration tolerance and ultra-low current consumption of 0.3μA typical. This low frequency oscillator is also available with optional AEC-Q200 qualifiaction.
The 5.0V MCSO1EL oscillator is available over low frequency range of 10.0~50.0kHz. Specially developed for extreme environments the MCSO1EL has optional -55 to +200°C operating temperature range, ideal for applications such as down-hole, avionics and geothermal. This oscillator also features excellent shock and vibration resistance.
RTC modules can save an engineer both time and project budget by providing a whole timing solution within one package, and some additionally functionality to boot. Many of our real time clocks feature user (static) RAM, alarm, calendar and additional CLKOUT functionality. You can find our recommendations for 32.768kHZ solutions here, or use our RTC quick comparison tools to find the best solution for your project here.
With ultra-low current consumption of only 17nA the RV-1805-C3 boasts the lowest power consumption of our entire range of real time clock modules. This RTC with miniature 3.7 x 2.5mm package and I2C bus interface offers excellent stability for an uncompensated part and incorporates many additional functions including alarm, timer, user RAM and trickle charge. This product was previously named RV1805C3.
Due to technology improvements the RV-8564-C2 is no longer recommended for new designs but is suitable as a drop in replacement for existing designs within a 5.0 x 3.2mm footprint which require I2C bus 2-wire serial interface and current consumption of up to 250nA. For new designs that require low power consumption please consider the smaller and more competitive RV-1805-C3 or RV-4162-C7 for designs where highly competitive pricing is paramount.
Within a miniature 3.7 x 2.5mm footprint the RV-3029-C3 offers excellent time accuracy of ±3ppm (0.26s/day drift) and is temperature compensated, allowing for outstanding ±8ppm stability over extended operating temperature range of -40 to +125ºC. The RV-3029-C3 with I2C bus interface also features great shock and vibration resistance and is available with AEC-Q200 qualification (and full PPAP documentation) on request. This product was previously named RV3029C3.
Ideal for engineers who require low power at supply voltages down to 1.2V, the RV-8532-C3 with I2C bus interface consumes current of only 130nA in time-keeping mode. Encased within a miniature 3.7 x 2.5mm footprint package, the RV-8523-C3 also features good shock and vibration performance and is available with AEC-Q200 qualification and full PPAP documentation on request. This product was previously named RV8523C3.
The RV-4162-C7 ultra-miniature RTC module is perfect for high volume applications where you need an all-in-one solution to help with space saving and procurement costs. The tiny 3.2 x 1.5mm footprint enables additional design space and, along with wide operating voltage range and good stability at room temperature, the RV-4162-C7 also features I2C bus interface, standard clock and calendar functionality, alarm setting and a watchdog function. This product was previously named RV4162C7.
A highly accurate RTC module with I2C bus interface providing timing accuracy of ±3ppm (or ±1.81 seconds per day), the RV-8803-C7 is also the world's smallest RTC module, with a package footprint of only 3.5 x 1.5mm. In addition to providing excellent frequency stability this real time clock module is also one of the lowest power temperature compensated RTC modules with back up power requirement of only 240nA with automotive grade options available. This product was previously named RV8803C7.