74ALVC14D,112 Equivalent & Substitute Parts

Part Overview

The 74ALVC14D,112 is a 6-channel inverter IC with Schmitt trigger inputs manufactured by Nexperia USA Inc. in a 14-SOIC surface mount package. This logic component operates across a 1.65V to 3.6V supply voltage range and is designed for signal inversion applications requiring hysteresis input characteristics. The part is currently listed as obsolete, making identification of functionally equivalent alternatives essential for ongoing design support and procurement.

Key Parameters

Parameter	Value
Manufacturer Part Number	74ALVC14D,112
Manufacturer	Nexperia USA Inc.
Logic Type	Inverter
Number of Circuits	6
Number of Inputs	1
Features	Schmitt Trigger
Voltage - Supply	1.65V ~ 3.6V
Current - Quiescent (Max)	10 µA
Current - Output High, Low	24mA, 24mA
Max Propagation Delay @ 3.3V, 50pF	3.4ns
Operating Temperature	-40°C ~ 85°C
Package / Case	14-SOIC (0.154", 3.90mm Width)
Product Status	Obsolete
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the 74ALVC14D,112 is determined by the following critical parameters:

Functional Requirements:

Logic type: Inverter with 6 channels and Schmitt trigger inputs
Number of circuits: 6
Number of inputs: 1 per circuit

Electrical Compatibility:

Supply voltage range must encompass or overlap with 1.65V ~ 3.6V
Quiescent current: 10 µA maximum
Output current capability: 24mA for both high and low states
Propagation delay: 3.4ns @ 3.3V, 50pF

Physical & Environmental:

Mounting type: Surface mount
Package: 14-SOIC form factor
Operating temperature: -40°C ~ 85°C
Compliance: ROHS3, REACH Unaffected

The substitute parts listed below meet all these criteria and are drawn from the 74ALVC series base product family, ensuring functional and pin-compatible replacement.

Parameter Comparison

Parameter	74ALVC14D,112 (Nexperia)	SN74ALVC14D (TI)	SN74ALVC14DR (TI)	SN74ALVC14NSR (TI)
Manufacturer	Nexperia USA Inc.	Texas Instruments	Texas Instruments	Texas Instruments
Logic Type	Inverter	Inverter	Inverter	Inverter
Number of Circuits	6	6	6	6
Number of Inputs	1	1	1	1
Features	Schmitt Trigger	Schmitt Trigger	Schmitt Trigger	Schmitt Trigger
Voltage - Supply	1.65V ~ 3.6V	2.3V ~ 3.6V	2.3V ~ 3.6V	2.3V ~ 3.6V
Current - Quiescent (Max)	10 µA	10 µA	10 µA	10 µA
Current - Output High, Low	24mA, 24mA	24mA, 24mA	24mA, 24mA	24mA, 24mA
Max Propagation Delay @ 3.3V, 50pF	3.4ns	3.4ns	3.4ns	3.4ns
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	14-SOIC (0.154", 3.90mm Width)	14-SOIC (0.154", 3.90mm Width)	14-SOIC (0.154", 3.90mm Width)	14-SOIC (0.209", 5.30mm Width)
Product Status	Obsolete	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

All three Texas Instruments substitute parts (SN74ALVC14D, SN74ALVC14DR, SN74ALVC14NSR) are active products with full ROHS3 compliance and REACH unaffected status, providing long-term availability and regulatory support compared to the obsolete Nexperia part.

SN74ALVC14D is supplied in tube packaging and represents the standard form for component procurement.

SN74ALVC14DR is supplied in cut tape and digi-reel format, suitable for automated assembly and high-volume production environments.

SN74ALVC14NSR is supplied in tape and reel format with a wider 14-SOIC package body (0.209" vs 0.154" width). This variant requires verification of PCB layout compatibility due to the increased package width, though pin spacing and electrical characteristics remain identical.

The primary electrical difference is the minimum supply voltage specification: Texas Instruments parts specify 2.3V minimum versus the Nexperia part's 1.65V minimum. Applications operating below 2.3V require retention of the original Nexperia part or design modification.

Frequently Asked Questions (FAQ)

Q: Can SN74ALVC14NSR be used as a direct replacement for 74ALVC14D,112?

A: SN74ALVC14NSR is electrically and functionally equivalent but has a wider package body (0.209" vs 0.154"). PCB layout compatibility must be verified before substitution. Pin configuration and electrical performance are identical.

Q: What is the key difference between the Texas Instruments substitutes?

A: The three Texas Instruments parts are electrically identical. The differences are packaging format (tube, cut tape/digi-reel, or tape/reel) and package body width for SN74ALVC14NSR. Selection depends on procurement method and assembly process requirements.

Q: Is the 74ALVC14D,112 compatible with 2.3V minimum supply voltage applications?

A: The Nexperia 74ALVC14D,112 specifies 1.65V minimum supply voltage, while Texas Instruments substitutes specify 2.3V minimum. For applications requiring operation below 2.3V, the original Nexperia part is required.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. The 74ALVC14D,112 and all three Texas Instruments substitutes are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.

Q: What is the inventory status of these parts?

A: 74ALVC14D,112 has 975 pieces in stock. SN74ALVC14D has 1305 pieces, SN74ALVC14DR has 2136 pieces, and SN74ALVC14NSR has 2829 pieces available.

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