TC74VHC4040FK(EL,K

Overview

The TC74VHC4040FK is a 12-stage ripple carry binary counter fabricated with silicon gate C2MOS technology. It operates within a supply voltage range of 2.0 V to 5.5 V and supports an operating temperature from -40°C to 85°C. The device provides all divided output stages up to Q12, achieving a maximum clock frequency of 210 MHz at 5 V. Quiescent current is limited to 4 μA at 25°C. It features power down protection on all inputs and balanced propagation delays.

Feature Summary

• Provides high-speed operation comparable to Bipolar Schottky TTL while maintaining CMOS low power dissipation.
• Includes input protection circuits allowing 0 to 5.5 V application without regard to supply voltage.
• Features power down protection on all inputs to prevent device destruction due to mismatched supply and input voltages.

Applications

• Interface between 5 V and 3 V systems
• Battery backup systems requiring two supply configurations

Procurement Notes

Verify the specific package suffix (FK) corresponds to the VSSOP-16 form factor when ordering. Confirm that the required operating temperature range aligns with the specified -40°C to 85°C limits. Ensure unused inputs are tied to either VCC or GND to maintain normal operation as per datasheet guidelines.

Selection Notes

Select this component for applications requiring a 12-bit binary counter with high noise immunity and wide voltage tolerance. It is suitable for designs needing pin and function compatibility with standard 74HC4040 devices. Consider its low quiescent current and high-speed capabilities for efficient digital counting tasks.

Part Context

This part belongs to the Toshiba TC74VHC series of advanced high-speed CMOS logic integrated circuits. The family utilizes silicon gate C2MOS technology to achieve performance levels similar to Bipolar Schottky TTL. The TC74VHC4040 specifically implements a 12-stage ripple carry binary counter architecture.

Replacement Considerations

The device is pin and function compatible with the standard 74HC4040 logic family. Other manufacturers producing equivalent 74HC4040 specifications may serve as functional substitutes if electrical parameters meet the design requirements.