MC14541BDR2G

Programmable Timers And Oscillators Overview

The MC14541BDR2G is a programmable timer and frequency divider manufactured by onsemi, housed in a SOIC-14 package. It integrates a 16-stage binary counter, an RC oscillator, and power-on reset logic. The device operates within a supply voltage range of 3.0 Vdc to 18 Vdc. Key electrical parameters include a maximum propagation delay of 10,500 ns (at 15 V) and a maximum clock pulse frequency of 6.0 MHz. Output drive capabilities provide a sink current of up to 19.3 mA and a source current of -16.3 mA at 15 V.

Programmable Timers And Oscillators Feature Summary

• Integrates a 16-stage binary counter with selectable outputs at stages 2^8, 2^10, 2^13, or 2^16 via Mode A/B inputs.
• Includes a built-in low-power RC oscillator with external timing components, or supports an external clock input at Pin 3.
• Features automatic power-on reset initialization and an independent external Master Reset pin.
• Provides Q/Q Select functionality to define the initial output logic level following a reset condition.

Programmable Timers And Oscillators Applications

• Digital timer circuits requiring precise single-cycle or continuous counting modes.
• Frequency division applications utilizing the internal oscillator or external clock sources.
• Power-on reset sequencing for initializing digital systems upon voltage application.

Programmable Timers And Oscillators Procurement Notes

Verify that the specific order number matches the required package suffix 'D' for SOIC-14. Confirm whether the standard MC14541BD prefix or the NLV prefix is required, as the latter denotes AEC-Q100 qualification and PPAP capability for automotive applications. Ensure the RoHS compliance status aligns with project specifications.

Programmable Timers And Oscillators Selection Notes

Select this component when a CMOS programmable timer with wide voltage tolerance (3V–18V) is needed. Choose based on the required count stage (2^8 to 2^16) and operating temperature range (-55°C to +125°C). Consider the NLV variant if automotive-grade reliability and unique site control are mandatory. Verify that the load capacitance requirements fit within the specified switching characteristic limits.

Programmable Timers And Oscillators Part Context

This part belongs to the MC14541B series of programmable timers from onsemi. It is functionally compatible with other devices in the 4000/14000/40000 CMOS logic families regarding voltage ranges and interface standards. The DR2G suffix indicates a tape and reel shipping configuration containing 2500 units per reel.

Programmable Timers And Oscillators Replacement Considerations

The NLV14541BDR2G serves as a qualified alternative offering AEC-Q100 certification and PPAP capability while maintaining identical pinout and electrical characteristics. Other packages such as TSSOP-14 (DT suffix) offer form-factor variations without changing functional behavior.