M74HC241B1R

Overview

The M74HC241B1R is an octal bus buffer with three-state outputs, fabricated using silicon gate C2MOS technology. It operates within a supply voltage range of 2V to 6V and features high noise immunity with input thresholds at 28% of VCC. The device provides symmetrical output impedance with minimum drive currents of 6mA for both high and low states. Propagation delays are balanced, typically reaching 10ns at 6V. Inputs include protection circuits against static discharge and transient excess voltage.

Feature Summary

• Octal non-inverting buffer architecture with dual four-bit sections
• Three-state output control via dedicated enable inputs
• High noise immunity and robust ESD protection on all inputs
• Symmetrical output drive capability suitable for LSTTL loads

Applications

• Memory address drivers
• Bus-oriented transmissions
• Clock distribution circuits

Procurement Notes

Verify component authenticity through authorized STMicroelectronics distributors or certified partners. Confirm the package type matches the required application footprint, as this part number specifically denotes the DIP-20 variant. Review the datasheet for absolute maximum ratings to ensure operational parameters remain within safe limits during integration.

Selection Notes

Select this component when an octal non-inverting buffer with three-state functionality is required. It serves as a direct functional replacement for standard 74HC241 logic families. Consider the wide operating voltage range and CMOS power dissipation characteristics when designing systems requiring low standby current consumption alongside high-speed signal buffering capabilities.

Part Context

This component belongs to the 74HC series of advanced high-speed CMOS logic devices manufactured by STMicroelectronics. It utilizes silicon gate C2MOS technology to achieve performance levels comparable to Low Power Schottky TTL while maintaining true CMOS low power dissipation. The device is designed for general-purpose digital logic applications requiring reliable data transmission.

Replacement Considerations

Direct pin-compatible substitutes include other manufacturers' 74HC241 variants such as those from NXP or Texas Instruments. Verify that alternative sources maintain identical electrical specifications, particularly propagation delay times and output drive currents, to ensure seamless circuit integration without redesign.

FAQ

What is the function of the G and G control inputs?

Each G and G control input governs four bus buffers, allowing independent control over the two separate four-bit sections of the octal buffer.

How does the device handle static discharge?

All inputs are equipped with protection circuits designed to withstand static discharge and transient excess voltage, enhancing reliability during handling and operation.

Is the M74HC241B1R currently in production?

No, the M74HC241B1R is listed as an obsolete product by STMicroelectronics, indicating it is no longer actively manufactured or recommended for new designs.