74LVC14APW,112 Equivalent & Substitute Parts

Part Overview

The 74LVC14APW,112 is a 6-channel inverter IC with Schmitt trigger inputs in a 14-TSSOP surface mount package, manufactured by Nexperia USA Inc. This logic inverter operates across a 1.2V to 3.6V supply voltage range with a maximum propagation delay of 6.4ns at 3.3V with 50pF load. The product is currently obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity.

Key Parameters

Parameter	Value
Manufacturer Part Number	74LVC14APW,112
Manufacturer	Nexperia USA Inc.
Logic Type	Inverter
Number of Circuits	6
Number of Inputs	1
Features	Schmitt Trigger
Voltage - Supply	1.2V ~ 3.6V
Current - Quiescent (Max)	40 µA
Current - Output High, Low	24mA, 24mA
Max Propagation Delay @ 3.3V, 50pF	6.4ns
Operating Temperature	-40°C ~ 125°C
Package / Case	14-TSSOP (0.173", 4.40mm Width)
Product Status	Obsolete
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution for the 74LVC14APW,112 is determined by the following critical parameters:

Logic configuration: 6-channel inverter with Schmitt trigger inputs
Package type: 14-TSSOP surface mount
Output drive capability: 24mA high and low
Operating temperature range: -40°C to 125°C minimum
Supply voltage compatibility: Minimum 1.2V support or overlap with 1.2V ~ 3.6V range
Propagation delay: Maximum 6.4ns at 3.3V, 50pF load

Substitute parts are grouped into two categories:

Direct Substitutes (Same Base Series - 74LVC14): Parts from Texas Instruments and Diodes Incorporated that maintain the 74LVC14 base product number with identical logic configuration, package, and extended temperature range support (-40°C to 125°C).

Compatible Alternatives (74LCX14 Series): Parts from onsemi using the 74LCX14 base product number with identical logic configuration and package but with narrower supply voltage range (2V ~ 3.6V) and reduced operating temperature range (-40°C to 85°C).

Parameter Comparison

Part Number	Manufacturer	Voltage - Supply	Current - Quiescent (Max)	Max Propagation Delay @ 3.3V, 50pF	Operating Temperature	Packaging	Product Status
74LVC14APW,112	Nexperia USA Inc.	1.2V ~ 3.6V	40 µA	6.4ns	-40°C ~ 125°C	Tube	Obsolete
SN74LVC14APW	Texas Instruments	1.65V ~ 3.6V	1 µA	6.2ns	-40°C ~ 125°C	Tube	Active
SN74LVC14APWR	Texas Instruments	1.65V ~ 3.6V	1 µA	6.2ns	-40°C ~ 125°C	Cut Tape (CT) & Digi-Reel®	Active
SN74LVC14APWRE4	Texas Instruments	1.65V ~ 3.6V	1 µA	6.2ns	-40°C ~ 125°C	Tape & Reel (TR)	Discontinued at DiGi Electronics
SN74LVC14APWRG3	Texas Instruments	1.65V ~ 3.6V	1 µA	6.2ns	-40°C ~ 125°C	Cut Tape (CT) & Digi-Reel®	Active
SN74LVC14APWT	Texas Instruments	1.65V ~ 3.6V	1 µA	6.2ns	-40°C ~ 125°C	Tape & Reel (TR)	Active
SN74LVC14AQPWREP	Texas Instruments	2V ~ 3.6V	10 µA	6.4ns	-40°C ~ 125°C	Cut Tape (CT) & Digi-Reel®	Active
74LVC14AT14-13	Diodes Incorporated	1.65V ~ 5.5V	10 µA	4.8ns	-40°C ~ 125°C	Tape & Reel (TR)	Active
MC74LCX14DTR2G	onsemi	2V ~ 3.6V	10 µA	6.5ns	-40°C ~ 85°C	Tape & Reel (TR)	Active
MC74LCX14DTG	onsemi	2V ~ 3.6V	10 µA	6.5ns	-40°C ~ 85°C	Tube	Active
74LCX14MTCX	onsemi	2V ~ 3.6V	10 µA	6.5ns	-40°C ~ 85°C	Cut Tape (CT) & Digi-Reel®	Active

Engineering Selection Recommendations

Primary Substitutes (Recommended for Direct Replacement):

The SN74LVC14 series from Texas Instruments provides the most direct substitution path. SN74LVC14APW, SN74LVC14APWR, SN74LVC14APWRG3, and SN74LVC14APWT maintain the 74LVC14 base product number, support the full -40°C to 125°C operating temperature range, and are all active products. These parts differ from the original primarily in lower quiescent current (1 µA vs. 40 µA) and slightly lower minimum supply voltage (1.65V vs. 1.2V). Packaging options include Tube, Cut Tape & Digi-Reel, and Tape & Reel formats to match production requirements.

Extended Voltage Range Alternative:

The 74LVC14AT14-13 from Diodes Incorporated offers the widest supply voltage range (1.65V ~ 5.5V) and fastest propagation delay (4.8ns), maintaining the full -40°C to 125°C temperature range. This part is suitable for applications requiring operation above 3.6V.

Temperature-Limited Alternatives:

The 74LCX14 series from onsemi (MC74LCX14DTR2G, MC74LCX14DTG, 74LCX14MTCX) provides functional equivalence with identical logic configuration and package but operates only to 85°C maximum. These parts are suitable for applications with temperature requirements not exceeding 85°C.

All substitute parts are ROHS3 compliant, REACH unaffected, and carry EAR99 classification matching the original part.

Frequently Asked Questions (FAQ)

Q: Can I use the 74LCX14 series as a direct replacement for the 74LVC14APW,112?

A: The 74LCX14 series provides functional equivalence in logic configuration, package, and output drive capability. However, the operating temperature range is limited to -40°C to 85°C compared to the original -40°C to 125°C. Use 74LCX14 parts only if your application does not require operation above 85°C.

Q: What is the difference between the various Texas Instruments SN74LVC14 packaging options?

A: All SN74LVC14 variants (APW, APWR, APWRG3, APWT) are electrically identical. The differences are packaging formats: APW is Tube, APWR and APWRG3 are Cut Tape & Digi-Reel, and APWT is Tape & Reel. Select based on your production and inventory requirements.

Q: Why does the SN74LVC14APWRE4 show as discontinued at DiGi Electronics?

A: The SN74LVC14APWRE4 is discontinued at DiGi Electronics but remains functionally equivalent to active alternatives. Use SN74LVC14APWT (Tape & Reel) or SN74LVC14APWR (Cut Tape & Digi-Reel) as active product alternatives.

Q: Is the lower quiescent current in the SN74LVC14 series a concern?

A: No. The SN74LVC14 series quiescent current of 1 µA is lower than the original 40 µA, which is beneficial for power consumption. This does not affect functional compatibility.

Q: Can I use the 74LVC14AT14-13 in applications requiring operation above 3.6V?

A: Yes. The 74LVC14AT14-13 supports supply voltages up to 5.5V, making it suitable for higher voltage applications while maintaining the full -40°C to 125°C operating temperature range.

Q: Are all substitute parts in the same 14-TSSOP package?

A: Yes. All substitute parts listed use the 14-TSSOP (0.173", 4.40mm Width) package, ensuring mechanical and electrical compatibility with the original footprint.

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