Programmable Timers and Oscillators

This Product Selection Guide contains information to help select products in the Programmable Timers and Oscillators category on

Programmable Timers and Oscillators are devices that can be set to provide timing pulses at a specified frequency.


Type: Indicates the operational mode(s) of a featured IC, which has categorical significance for performance traits such as electrical efficiency.

Count: For devices programmable by means of adjusting a digital divider ratio, indicates the range over which this ratio may be adjusted.

Frequency: Describes a device’s nominal operating frequency or frequency range; the rate at which an input power source is switched in the course of the conversion process.

Voltage - Supply: Typically represented by a range, this indicates the low and high voltage limits which one can expect standard operation. Voltages outside this range may damage the device and other system components.

Current - Supply: This rating indicates the nominal amount of current you would expect the device to draw during normal operation.

Operating Temperature: Recommended operating temperature, typically given in a range or as a maximum. Exceeding these temperatures may affect performance or damage the device and other system components.

Package / Case: Indicates the type of protective case used on an electronic component to allow easy handling, installation, and protection. This selection was determined to be the closest industry standard applicable to the suppliers device packaging. Typically it is best to check the actual dimensions from the datasheet rather than depend on this terminology when designing your circuit.

Supplier Device Package: This is what the manufacturer calls the package of this device. They are manufacturer specific. It is typically best to use the actual dimensions from the datasheets rather than to go by this terminology when designing your circuit.

Mounting Type: Indicates how the device is attached.


6-SMD, No Lead Clock Oscillator


MFR PART # 8N3Q001EG-1033CDI
DIGI-KEY PART # 800-2666-ND
MANUFACTURER Renesas Electronics America Inc
DESCRIPTION Clock Oscillator IC 100MHz, 125MHz, 156.25MHz, 250MHz

44-LCC (J-Lead) Counter/Timer Circuit (CTC)


DIGI-KEY PART # 269-5059-ND
DESCRIPTION Counter/Timer Circuit (CTC) IC 6MHz 44-PLCC


Schematic symbol courtesy of Scheme-it. Please see their website for more information and symbols.


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Product Training Modules
Part 1: SG-8018 and SG-8101 Series of Programmable Crystal Oscillators
Part 2: SG-9101 Series of Programmable Spread Spectrum Crystal Oscillators

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Programmable Oscillator

If you have any general questions on the specifications for selecting Programmable Timers and Oscillators, please reply using the button below. If you have questions on specific Programmable Timers and Oscillators please post those questions in the Integrated Circuits (ICs) category.