74AHCT00S14-13 Equivalent & Substitute Parts

Part Overview

The 74AHCT00S14-13 is a NAND Gate IC with 4 channels and 2 inputs per channel, manufactured by Diodes Incorporated in a 14-SOIC surface mount package. This logic component operates across a 4.5V to 5.5V supply range with a maximum propagation delay of 10ns at 5V with 50pF load. The part is currently active in production with ROHS3 compliance and unlimited moisture sensitivity rating.

Substitute parts are necessary when the primary manufacturer part becomes unavailable, when alternative packaging or temperature grades are required for specific applications, or when sourcing from multiple qualified manufacturers is needed for supply chain resilience.

Key Parameters

Parameter	Value
Logic Type	NAND Gate
Number of Circuits	4
Number of Inputs	2
Voltage - Supply	4.5V ~ 5.5V
Current - Quiescent (Max)	20 µA
Current - Output High, Low	8mA, 8mA
Input Logic Level - Low	0.8V
Input Logic Level - High	2V
Max Propagation Delay @ V, Max CL	10ns @ 5V, 50pF
Operating Temperature	-40°C ~ 125°C
Package / Case	14-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the 74AHCT00S14-13 is determined by the following critical parameters:

Logic configuration: 4-channel NAND gate with 2 inputs per channel
Package type: 14-SOIC surface mount form factor
Supply voltage range: 4.5V to 5.5V nominal operation
Output drive capability: 8mA high and low
Input logic thresholds: 0.8V low, 2V high
Propagation delay: Maximum 10ns at 5V with 50pF load
Operating temperature range: -40°C to 125°C minimum

Substitute parts must maintain identical logic functionality, package footprint compatibility, and electrical performance within the specified parameters. Parts from different manufacturers (Nexperia, Texas Instruments, onsemi, Fairchild Semiconductor) that meet these criteria are direct substitutes. Variations in quiescent current, propagation delay improvements, or extended temperature grades do not disqualify a part from substitution when the core parameters remain within specification.

Parameter Comparison

Part Number	Manufacturer	Voltage - Supply	Current - Quiescent (Max)	Max Propagation Delay @ 5V, 50pF	Operating Temperature	Package	Product Status
74AHCT00S14-13	Diodes Incorporated	4.5V ~ 5.5V	20 µA	10ns	-40°C ~ 125°C	14-SOIC	Active
74AHCT00D,118	Nexperia USA Inc.	4.5V ~ 5.5V	2 µA	7.9ns	-40°C ~ 125°C	14-SOIC	Active
SN74AHCT00DR	Texas Instruments	4.5V ~ 5.5V	2 µA	7.9ns	-40°C ~ 85°C	14-SOIC	Active
74AHCT00D-Q100J	Nexperia USA Inc.	4.5V ~ 5.5V	2 µA	7.9ns	-40°C ~ 125°C	14-SOIC	Active
74VHCT00AM	Fairchild Semiconductor	4.5V ~ 5.5V	2 µA	7.9ns	-40°C ~ 85°C	14-SOIC	Active
MC74VHCT00ADR2G	onsemi	3V ~ 5.5V	2 µA	7.9ns	-55°C ~ 125°C	14-SOIC	Active
SN74AHCT00D	Texas Instruments	4.5V ~ 5.5V	2 µA	7.9ns	-40°C ~ 85°C	14-SOIC	Last Time Buy
SN74AHCT00MDREP	Texas Instruments	4.5V ~ 5.5V	2 µA	7.9ns	-55°C ~ 125°C	14-SOIC	Active
SN74AHCT00QDRG4Q1	Texas Instruments	4.5V ~ 5.5V	2 µA	7.9ns	-40°C ~ 125°C	14-SOIC	Active
SN74AHCT00QDRQ1	Texas Instruments	4.5V ~ 5.5V	2 µA	7.9ns	-40°C ~ 125°C	14-SOIC	Active

Engineering Selection Recommendations

All listed substitute parts maintain full functional and electrical compatibility with the 74AHCT00S14-13 within the specified parameter ranges. Selection should be based on the following criteria:

For standard industrial applications: 74AHCT00D,118 (Nexperia), SN74AHCT00DR (Texas Instruments), or 74AHCT00D-Q100J (Nexperia) provide equivalent performance with improved quiescent current characteristics and faster propagation delay.

For automotive applications requiring AEC-Q100 qualification: 74AHCT00D-Q100J (Nexperia) or SN74AHCT00QDRG4Q1 and SN74AHCT00QDRQ1 (Texas Instruments) are qualified options maintaining the full -40°C to 125°C temperature range.

For extended temperature range requirements: MC74VHCT00ADR2G (onsemi) operates from -55°C to 125°C and supports a lower supply voltage floor of 3V, providing additional design margin. SN74AHCT00MDREP (Texas Instruments) also provides -55°C to 125°C coverage.

For supply chain continuity: SN74AHCT00D (Texas Instruments) is designated Last Time Buy and should be avoided for new designs. Active status parts from multiple manufacturers ensure long-term availability.

All substitute parts are ROHS3 compliant with MSL rating of 1 (Unlimited) and maintain identical 14-SOIC package footprints for direct PCB compatibility.

Frequently Asked Questions (FAQ)

Q: Can I use MC74VHCT00ADR2G as a direct replacement for 74AHCT00S14-13?

A: Yes. MC74VHCT00ADR2G meets all core substitution criteria: 4-channel NAND gate, 2 inputs per channel, 14-SOIC package, and identical output drive capability. The part operates across 3V to 5.5V (exceeding the 4.5V to 5.5V requirement) and provides extended temperature range from -55°C to 125°C. Input logic thresholds vary slightly (0.53V to 0.8V low, 1.4V to 2V high) but remain compatible with standard TTL/CMOS logic levels.

Q: What is the difference between 74AHCT00D-Q100J and SN74AHCT00QDRG4Q1?

A: Both parts are AEC-Q100 automotive qualified with identical electrical specifications. 74AHCT00D-Q100J is manufactured by Nexperia, while SN74AHCT00QDRG4Q1 is manufactured by Texas Instruments. Both maintain -40°C to 125°C operating range, 4.5V to 5.5V supply, and 7.9ns propagation delay. Selection depends on preferred supplier and inventory availability.

Q: Why does 74AHCT00S14-13 specify 20 µA quiescent current while most substitutes list 2 µA?

A: The 20 µA specification for the Diodes Incorporated part represents the maximum quiescent current under worst-case conditions. Substitute parts from other manufacturers specify lower maximum values, which is acceptable for substitution as long as the specified maximum is not exceeded in the application. Lower quiescent current is a performance improvement, not a compatibility issue.

Q: Are there packaging differences between substitute parts?

A: All listed substitutes use the 14-SOIC (0.154", 3.90mm Width) package with identical footprints. Packaging variations exist only in supplier delivery format (Tape & Reel, Cut Tape, Tube, or Bulk), which does not affect PCB assembly compatibility. Verify the required packaging format with your supplier.

Q: Can I use SN74AHCT00D for new designs?

A: SN74AHCT00D is designated Last Time Buy status, indicating the manufacturer is discontinuing production. For new designs requiring long-term availability and support, select from active status parts such as 74AHCT00D,118, SN74AHCT00QDRG4Q1, or SN74AHCT00QDRQ1.

Q: What is the temperature range limitation for SN74AHCT00DR and 74VHCT00AM?

A: Both parts operate from -40°C to 85°C, which is narrower than the 74AHCT00S14-13 specification of -40°C to 125°C. These parts are suitable only for applications where the maximum operating temperature does not exceed 85°C. For full temperature range coverage, select 74AHCT00D,118, 74AHCT00D-Q100J, or SN74AHCT00MDREP.

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