74AHCT04S14-13 Equivalent & Substitute Parts

Part Overview

The 74AHCT04S14-13 is a 6-channel inverter logic IC manufactured by Diodes Incorporated in a 14-SOIC surface mount package. This component is an active product with full RoHS3 compliance and unlimited moisture sensitivity rating. Substitute parts are identified when equivalent electrical performance and mechanical compatibility are maintained across the specified parameter ranges, enabling design flexibility and supply chain optimization.

Key Parameters

Parameter	Specification
Logic Type	Inverter
Number of Circuits	6
Number of Inputs	1
Voltage - Supply	4.5V ~ 5.5V
Current - Output High, Low	8mA, 8mA
Input Logic Level - Low	0.8V
Input Logic Level - High	2V
Max Propagation Delay @ V, Max CL	7.7ns @ 5V, 50pF
Package / Case	14-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
Operating Temperature	-40°C ~ 125°C (TA)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the 74AHCT04S14-13 are qualified based on the following criteria:

Electrical Equivalence: All substitute parts maintain identical logic function (6-channel inverter), circuit count, input configuration, and output drive capability (8mA). Supply voltage range (4.5V ~ 5.5V), input logic thresholds (0.8V low, 2V high), and propagation delay (7.7ns @ 5V, 50pF) are preserved across all qualified substitutes.

Mechanical Compatibility: All substitute parts use the 14-SOIC surface mount package with identical physical dimensions (0.154", 3.90mm width), ensuring direct PCB footprint compatibility.

Compliance & Certification: All substitute parts maintain RoHS3 compliance, MSL Level 1 rating, and REACH unaffected status, meeting the same regulatory requirements as the primary part.

Key Differentiators: Quiescent current and maximum operating temperature vary among substitutes and are noted in the parameter comparison table below.

Parameter Comparison

Parameter	74AHCT04S14-13 (Diodes)	MC74VHCT04ADR2G (onsemi)	SN74AHCT04DR (Texas Instruments)
Manufacturer	Diodes Incorporated	onsemi	Texas Instruments
Series	74AHCT	74VHCT	74AHCT
Logic Type	Inverter	Inverter	Inverter
Number of Circuits	6	6	6
Number of Inputs	1	1	1
Voltage - Supply	4.5V ~ 5.5V	4.5V ~ 5.5V	4.5V ~ 5.5V
Current - Quiescent (Max)	20 µA	2 µA	2 µA
Current - Output High, Low	8mA, 8mA	8mA, 8mA	8mA, 8mA
Input Logic Level - Low	0.8V	0.8V	0.8V
Input Logic Level - High	2V	2V	2V
Max Propagation Delay @ V, Max CL	7.7ns @ 5V, 50pF	7.7ns @ 5V, 50pF	7.7ns @ 5V, 50pF
Operating Temperature	-40°C ~ 125°C	-40°C ~ 85°C	-40°C ~ 125°C
Package / Case	14-SOIC (0.154", 3.90mm Width)	14-SOIC (0.154", 3.90mm Width)	14-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active

Engineering Selection Recommendations

Primary Part (74AHCT04S14-13): Diodes Incorporated manufacture with 20 µA maximum quiescent current and -40°C to 125°C operating temperature range. Suitable for applications requiring extended temperature operation and standard power consumption profiles.

Substitute Option 1 (MC74VHCT04ADR2G): onsemi 74VHCT series with 2 µA maximum quiescent current, providing superior low-power performance. Operating temperature range limited to -40°C to 85°C. Select this substitute for power-sensitive applications within the specified temperature window.

Substitute Option 2 (SN74AHCT04DR): Texas Instruments 74AHCT series with 2 µA maximum quiescent current and -40°C to 125°C operating temperature range. Combines low quiescent current with extended temperature capability. Suitable for applications requiring both power efficiency and full temperature range operation.

All three parts maintain identical electrical performance in logic function, timing, and output drive capability. Selection depends on quiescent current requirements, operating temperature range, and manufacturer preference within your supply chain.

Frequently Asked Questions (FAQ)

Q: Can the MC74VHCT04ADR2G replace the 74AHCT04S14-13 in all applications?

A: The MC74VHCT04ADR2G is electrically equivalent for logic function and timing. However, its maximum operating temperature is limited to 85°C compared to 125°C for the primary part. Substitution is valid only for applications operating within the -40°C to 85°C range.

Q: What is the primary difference between the three substitute options?

A: The 74AHCT04S14-13 and SN74AHCT04DR both support -40°C to 125°C operation with different quiescent current specifications (20 µA vs. 2 µA). The MC74VHCT04ADR2G offers the lowest quiescent current (2 µA) but is limited to -40°C to 85°C operation. All three maintain identical logic performance and package compatibility.

Q: Are all substitute parts pin-compatible?

A: Yes. All three parts use the 14-SOIC package with identical physical dimensions (0.154", 3.90mm width) and are direct PCB footprint replacements.

Q: Do all substitute parts meet the same compliance requirements?

A: Yes. All three parts are RoHS3 compliant, carry MSL Level 1 rating (unlimited moisture sensitivity), and are REACH unaffected, meeting identical regulatory standards.

Q: Which substitute should I select for low-power applications?

A: Both the MC74VHCT04ADR2G and SN74AHCT04DR offer 2 µA maximum quiescent current, compared to 20 µA for the primary part. The SN74AHCT04DR is preferred if your application requires the full -40°C to 125°C temperature range; the MC74VHCT04ADR2G is suitable for applications within -40°C to 85°C.

Q: Can I mix these parts within the same design?

A: Yes. All three parts are electrically and mechanically compatible and can be used interchangeably within their specified operating parameters. Ensure your application temperature requirements align with each part's maximum operating temperature specification.

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