74AHCT125T14-13

Overview

The 74AHCT125T14-13 is a quadruple 3-state buffer manufactured by Diodes Incorporated in the 74AHCT logic series. It operates within a supply voltage range of 4.5V to 5.5V and features TTL-compatible inputs with Schmitt trigger action at all input pins. The device provides four independent non-inverting buffers, each equipped with a separate active-low data enable pin (OE) that places the corresponding output into a high-impedance state when driven high. Outputs are capable of sinking or sourcing 8mA at VCC = 4.5V. The component is housed in a TSSOP-14 surface-mount package.

Feature Summary

• Provides four independent buffer gates with 3-state outputs controlled by separate active-low enable pins
• Features Schmitt trigger action at all inputs for improved noise immunity
• Inputs are compatible with TTL voltage levels while maintaining CMOS low power consumption
• Includes ESD protection exceeding JESD 22 standards and latch-up performance exceeding 250mA per JESD 78

Applications

• General purpose logic circuits
• PCs, networking equipment, notebooks, and netbooks
• Computer peripherals, hard drives, and CD/DVD ROM drives
• TV, DVD, DVR, and set-top boxes

Procurement Notes

Verify the specific ordering suffix '-13' corresponds to the 2500-unit tape and reel packaging configuration. Confirm the package code 'T14' matches the required TSSOP-14 footprint for PCB layout compatibility. Ensure the procurement channel is authorized to guarantee product authenticity and adherence to RoHS compliance requirements.

Selection Notes

Select this component when designing systems requiring 3-state buffering with TTL-level input compatibility. The inclusion of Schmitt triggers makes it suitable for noisy environments. Verify that the 8mA output drive capability meets the load requirements and that the 4.5V to 5.5V operating voltage aligns with the system power supply.

Part Context

This part belongs to the 74AHCT125 family of quadruple 3-state buffers. It is available in SO-14 and TSSOP-14 packages. The datasheet DS35355 Rev. 3 - 2 provides detailed electrical characteristics, switching parameters, and package dimensions. The device is designed for operation across an industrial temperature range of -40°C to +125°C.

Replacement Considerations

The 74AHCT125S14-13 serves as a direct functional substitute utilizing the SO-14 package instead of TSSOP-14. Other members of the 74AHCT125 family may offer alternative packaging options while maintaining identical logical functionality and electrical specifications.