SN74LVCU04APWT Equivalent & Substitute Parts

Part Overview

The SN74LVCU04APWT is a 6-channel inverter logic IC manufactured by Texas Instruments in a 14-TSSOP surface mount package. This part operates across a 1.65V to 3.6V supply voltage range and is designed for low-power digital logic applications. The SN74LVCU04APWT is classified as obsolete, making equivalent substitute parts necessary for new designs and ongoing production requirements. Substitute parts must maintain functional equivalence through matching logic type, circuit count, input configuration, and package specifications.

Key Parameters

Parameter	Value
Logic Type	Inverter
Number of Circuits	6
Number of Inputs	1
Voltage - Supply	1.65V ~ 3.6V
Current - Quiescent (Max)	10 µA
Current - Output High, Low	24mA, 24mA
Max Propagation Delay @ V, Max CL	3.8ns @ 3.3V, 50pF
Operating Temperature	-40°C ~ 85°C
Package / Case	14-TSSOP (0.173", 4.40mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the SN74LVCU04APWT are qualified based on the following criteria:

Functional Equivalence Requirements:

Logic type must be inverter
Circuit count must be 6 channels
Input configuration must be 1 input per channel
Package must be 14-TSSOP surface mount

Electrical Parameter Compatibility: Substitutes must operate within overlapping supply voltage ranges and maintain compatible propagation delay characteristics. Output current ratings and quiescent current specifications determine suitability for specific application requirements.

Compliance & Status: All substitute parts must maintain ROHS3 compliance and appropriate regulatory certifications (REACH, ECCN classification).

Parameter Comparison

Parameter	SN74LVCU04APWT (Main)	SN74LVCU04APWR	74LVCU04APW,118	MC74LCXU04DTR2G
Manufacturer	Texas Instruments	Texas Instruments	Nexperia USA Inc.	onsemi
Product Status	Obsolete	Active	Active	Active
Logic Type	Inverter	Inverter	Inverter	Inverter
Number of Circuits	6	6	6	6
Number of Inputs	1	1	1	1
Voltage - Supply	1.65V ~ 3.6V	1.65V ~ 3.6V	1.2V ~ 3.6V	2V ~ 3.6V
Current - Quiescent (Max)	10 µA	10 µA	40 µA	10 µA
Current - Output High, Low	24mA, 24mA	24mA, 24mA	24mA, 24mA	18mA, 16mA
Max Propagation Delay @ V, Max CL	3.8ns @ 3.3V, 50pF	3.8ns @ 3.3V, 50pF	2ns @ 3.3V, 50pF	3.6ns @ 3.3V, 50pF
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 125°C	-40°C ~ 85°C
Package / Case	14-TSSOP (0.173", 4.40mm Width)	14-TSSOP (0.173", 4.40mm Width)	14-TSSOP (0.173", 4.40mm Width)	14-TSSOP (0.173", 4.40mm Width)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

SN74LVCU04APWR (Texas Instruments) This part is the direct parametric equivalent to the SN74LVCU04APWT, with identical electrical specifications and operating characteristics. The primary difference is packaging format (Tape & Reel versus individual packaging). This part maintains active product status and full ROHS3 compliance. Selection of this part eliminates any electrical parameter variance.

74LVCU04APW,118 (Nexperia USA Inc.) This part offers extended operating temperature range (-40°C to 125°C) and faster propagation delay (2ns versus 3.8ns). The supply voltage range extends to 1.2V minimum, providing broader low-voltage operation capability. Quiescent current is higher at 40 µA maximum. This part is suitable for applications requiring extended temperature performance or faster switching characteristics. Active product status and ROHS3 compliance are maintained.

MC74LCXU04DTR2G (onsemi) This part operates within a 2V to 3.6V supply voltage range, which is narrower than the main part at the lower end. Output current ratings are slightly reduced (18mA high, 16mA low versus 24mA). Propagation delay is 3.6ns, comparable to the main part. This part maintains active status and ROHS3 compliance. Selection is appropriate for applications operating above 2V supply voltage where the reduced output current is acceptable.

Frequently Asked Questions (FAQ)

Q: Can SN74LVCU04APWR be used as a direct replacement for SN74LVCU04APWT? A: Yes. Both parts share identical electrical specifications, logic configuration, and package dimensions. The difference is packaging format (Tape & Reel versus standard packaging). Functional performance is equivalent.

Q: What is the key difference between 74LVCU04APW,118 and the main part? A: The Nexperia part offers extended temperature range (-40°C to 125°C versus -40°C to 85°C), faster propagation delay (2ns versus 3.8ns), and lower minimum supply voltage (1.2V versus 1.65V). Quiescent current is higher at 40 µA. These differences make it suitable for temperature-critical or high-speed applications.

Q: Is MC74LCXU04DTR2G compatible with designs using SN74LVCU04APWT? A: Compatibility depends on application requirements. The onsemi part has a higher minimum supply voltage (2V versus 1.65V) and lower output current ratings (18mA/16mA versus 24mA). It is suitable for applications operating above 2V where output current requirements do not exceed these limits.

Q: Are all substitute parts in the same package? A: Yes. All parts listed use the 14-TSSOP surface mount package with identical physical dimensions (0.173", 4.40mm width). PCB layout and footprints are interchangeable.

Q: Do all substitute parts meet the same compliance standards? A: Yes. All parts are ROHS3 compliant, REACH unaffected, and classified as EAR99 for export control purposes. Moisture sensitivity level is 1 (unlimited) for all parts.

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