SN74AHCT125N

Buffers, Drivers, Receivers, Transceivers Overview

The SN74AHCT125N is a quadruple bus buffer gate featuring three-state outputs, manufactured by Texas Instruments. It operates within a supply voltage range of 4.5 V to 5.5 V and utilizes HCT logic technology for compatibility with TTL inputs. The device provides four non-inverting channels in a 14-pin PDIP package. Key electrical characteristics include a low-level output current of 6 mA and a high-level output current of -6 mA at 5 V. Propagation delay is specified at 30 ns maximum at 5 V. The component supports an operating temperature range from -40°C to +85°C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Provides four independent non-inverting buffer channels with three-state control
• Ensures compatibility with standard TTL input levels through HCT logic family design
• Offers controlled signal transmission via dedicated output enable functionality

Buffers, Drivers, Receivers, Transceivers Applications

• Bus-oriented memory and address driver circuits
• Clock buffering and distribution systems
• Data bus transceiver interfaces requiring tri-state isolation

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm pinout and electrical specifications match project requirements. Ensure the selected variant corresponds to the desired packaging style and compliance standards. Cross-reference the part number with the latest datasheet revision history to validate performance parameters and manufacturing origin details before finalizing procurement decisions.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when interfacing between different logic families requiring level translation or when driving multiple loads on a shared bus structure. The HCT series ensures robust noise immunity and direct compatibility with 5 V CMOS devices. Consider the PDIP package constraints for through-hole assembly processes and verify that the propagation delay meets the timing requirements of the target digital system architecture.

Buffers, Drivers, Receivers, Transceivers Part Context

This device belongs to the SN74HCT125 family of quadruple bus buffers with three-state outputs. It serves as a fundamental building block for digital logic designs involving data routing and signal conditioning. The HCT technology bridges the gap between older TTL standards and modern CMOS implementations, providing reliable operation in mixed-logic environments while maintaining low power consumption characteristics typical of complementary metal-oxide-semiconductor structures.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Compatible substitutes include SN74HCT125D and SN74HCT125PW, which offer identical logical functions in SOIC and TSSOP packages respectively. Verify pin compatibility and thermal performance when transitioning between package types. Ensure that any replacement maintains the same HCT logic family specifications to guarantee interface integrity with existing circuit components.