Diodes Incorporated 74AHC04T14-13

Overview

74AHC04T14-13 from Diodes Incorporated is a hex inverter IC with six independent CMOS push-pull gates, operating from 2.0V to 5.5V supply, featuring 5.5V-tolerant inputs, Schmitt-trigger input action, and ±8 mA output drive at 4.5V - used for signal inversion and voltage-level translation in mixed-voltage logic interfaces.

For engineers reviewing the 74AHC04T14-13 datasheet, 74AHC04T14-13 pinout, 74AHC04T14-13 application, or 74AHC04T14-13 equivalent, key selection criteria include input voltage tolerance, propagation delay (≤7.0 ns at 5V/50pF), output drive capability, Schmitt-trigger hysteresis for noise immunity, and TSSOP-14 package suitability for space-constrained PCB layouts.

Technical Context

This device implements six identical inverting logic gates with rail-to-rail CMOS outputs and input thresholds defined by Schmitt-trigger hysteresis (typ. 0.9V/1.65V at 3.0V/5.5V V_CC). Each gate operates independently without internal interconnection.

It supports mixed-voltage system interfacing via 5.5V-tolerant inputs while powered from as low as 2.0V, enabling level-shifting between 3.3V and 5V domains without external components. Propagation delay varies with supply voltage and load capacitance - e.g., 3.0–7.0 ns (V_CC = 4.5–5.5V, C_L = 50pF).

Key Specifications

Pinout & Package

TSSOP-14 surface-mount package (4.9 × 4.5 mm body, 0.65 mm pitch), thermally enhanced for compact digital logic placement with exposed pad not present.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar hex inverter applications.

Compared with SN74AHC04DR and 74LVC04GW,118, the 74AHC04T14-13 uniquely combines TSSOP-14 packaging, guaranteed 2.0V operation, and Schmitt-trigger inputs - making it optimal for space-constrained industrial controls needing robust noise immunity at 3.3V/5V interfaces.

Availability

74AHC04T14-13 is available at Aetrix Electronics and suitable for industrial PLC I/O modules, USB peripheral interface logic, and hard disk drive controller designs requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.

Supply support for 74AHC04T14-13 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, specializing in high-reliability, low-power, and application-optimized components for industrial, computing, and consumer markets.

The 74AHC logic family targets high-speed, low-power CMOS applications requiring wide supply range, noise-immune inputs, and mixed-voltage interoperability - especially where space, thermal, and signal integrity constraints demand precision logic building blocks.

FAQ

Is the 74AHC04T14-13 pin-compatible with standard 74AHC04 variants in SO-14?

Yes - the TSSOP-14 pinout matches the SO-14 variant exactly (14-pin dual-in-line mapping). Pin 1 (1A) to Pin 14 (V_CC) assignments are identical, enabling direct PCB footprint substitution where layout permits the smaller TSSOP dimensions and 0.65 mm pitch.

Does this device require external pull-up or pull-down resistors on unused inputs?

No - unused inputs must be tied to either V_CC or GND per the datasheet's recommended operating conditions. Leaving inputs floating risks increased ICC current, oscillation, or latch-up due to CMOS input sensitivity; no external resistors are needed beyond direct connection.

What is the maximum capacitive load this device can drive reliably?

The device is characterized up to 50 pF load capacitance with guaranteed t_PD ≤ 7.0 ns at 5V. Driving >50 pF increases propagation delay nonlinearly and may cause overshoot/ringing; for >100 pF loads, series termination or buffer staging is recommended per application note AP02002.

Can the 74AHC04T14-13 be used in automotive applications?

It is qualified for operation from −40°C to +125°C ambient and meets JESD22 ESD standards, but Diodes Incorporated does not specify AEC-Q200 qualification for this part. For automotive use, validation against vehicle-specific EMC, vibration, and lifetime requirements is required prior to deployment.