SN74LVC3G17DCURE4 Equivalent & Substitute Parts

Part Overview

The SN74LVC3G17DCURE4 is a non-inverting buffer logic IC manufactured by Texas Instruments, featuring 3 elements with 1 bit per element and push-pull output configuration. This device operates across a supply voltage range of 1.65V to 5.5V and is housed in an 8-VSSOP surface mount package. The part is currently discontinued at DiGi Electronics, making equivalent and substitute parts necessary for ongoing design support and production requirements.

Key Parameters

Parameter	Value
Manufacturer Part Number	SN74LVC3G17DCURE4
Manufacturer	Texas Instruments
Logic Type	Buffer, Non-Inverting
Number of Elements	3
Number of Bits per Element	1
Input Type	Schmitt Trigger
Output Type	Push-Pull
Current - Output High, Low	32mA, 32mA
Voltage - Supply	1.65V ~ 5.5V
Operating Temperature	-40°C ~ 125°C (TA)
Package / Case	8-VFSOP (0.091", 2.30mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Discontinued at DiGi Electronics

Substitute Part Grouping Explanation

Substitute parts for the SN74LVC3G17DCURE4 are classified based on strict electrical and mechanical parameter matching. The primary substitution criteria are:

Critical Parameters for Substitution:

Logic Type: Buffer, Non-Inverting
Number of Elements: 3
Number of Bits per Element: 1
Input Type: Schmitt Trigger
Output Type: Push-Pull
Current - Output High, Low: 32mA, 32mA
Voltage - Supply: 1.65V ~ 5.5V
Operating Temperature: -40°C ~ 125°C (TA)
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)

Package Considerations: Substitutes are available in two package variants: 8-VSSOP (0.091", 2.30mm Width) and 8-TSSOP (0.118", 3.00mm Width). Both packages are surface mount configurations with identical electrical specifications.

Manufacturer Availability: Substitute parts are sourced from Texas Instruments, Nexperia USA Inc., and Diodes Incorporated, all meeting the same electrical and compliance requirements.

Parameter Comparison

Parameter	SN74LVC3G17DCURE4 (Main)	SN74LVC3G17DCUR	74LVC3G17DP,125	74LVC3G17DC,125	74LVC3G17DC-Q100H	74LVC3G17V8-7
Manufacturer	Texas Instruments	Texas Instruments	Nexperia USA Inc.	Nexperia USA Inc.	Nexperia USA Inc.	Diodes Incorporated
Logic Type	Buffer, Non-Inverting	Buffer, Non-Inverting	Buffer, Non-Inverting	Buffer, Non-Inverting	Buffer, Non-Inverting	Buffer, Non-Inverting
Number of Elements	3	3	3	3	3	3
Number of Bits per Element	1	1	1	1	1	1
Input Type	Schmitt Trigger	Schmitt Trigger	Schmitt Trigger	Schmitt Trigger	Schmitt Trigger	Schmitt Trigger
Output Type	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull	Push-Pull
Current - Output High, Low	32mA, 32mA	32mA, 32mA	32mA, 32mA	32mA, 32mA	32mA, 32mA	32mA, 32mA
Voltage - Supply	1.65V ~ 5.5V	1.65V ~ 5.5V	1.65V ~ 5.5V	1.65V ~ 5.5V	1.65V ~ 5.5V	1.65V ~ 5.5V
Operating Temperature	-40°C ~ 125°C (TA)	-40°C ~ 125°C (TA)	-40°C ~ 125°C (TA)	-40°C ~ 125°C (TA)	-40°C ~ 125°C (TA)	-40°C ~ 125°C (TA)
Package / Case	8-VFSOP (0.091", 2.30mm Width)	8-VFSOP (0.091", 2.30mm Width)	8-TSSOP (0.118", 3.00mm Width)	8-VFSOP (0.091", 2.30mm Width)	8-VFSOP (0.091", 2.30mm Width)	8-VFSOP (0.091", 2.30mm Width)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Discontinued at DiGi Electronics	Active	Active	Active	Active	Active
Inventory Availability	848 Pcs	35300 Pcs	83495 Pcs	2000 Pcs	6931 Pcs	4006 Pcs

Engineering Selection Recommendations

Primary Recommendation: SN74LVC3G17DCUR

The SN74LVC3G17DCUR is the manufacturer-recommended substitute from Texas Instruments. It maintains identical electrical specifications and package configuration (8-VSSOP) to the discontinued SN74LVC3G17DCURE4. This part is currently in active production status with substantial inventory availability (35,300 pieces), ensuring supply chain continuity. The packaging format (Cut Tape and Digi-Reel) supports both prototype and production-volume requirements.

Secondary Recommendation: 74LVC3G17DC,125

The 74LVC3G17DC,125 from Nexperia USA Inc. is a parametric equivalent offering identical electrical performance in the same 8-VSSOP package. This part is actively produced with moderate inventory levels (2,000 pieces) and provides an alternative sourcing option from a different manufacturer.

Alternative with Package Variation: 74LVC3G17DP,125

The 74LVC3G17DP,125 from Nexperia USA Inc. provides equivalent electrical specifications but uses the 8-TSSOP package (0.118", 3.00mm Width) instead of 8-VSSOP. This part is suitable for applications where the wider package footprint is acceptable. It offers the highest inventory availability (83,495 pieces) among all substitutes.

Automotive-Grade Option: 74LVC3G17DC-Q100H

The 74LVC3G17DC-Q100H from Nexperia USA Inc. is qualified to AEC-Q100 automotive standards and maintains all electrical specifications in the 8-VSSOP package. This part is appropriate for automotive applications requiring automotive-grade components.

Alternative Manufacturer: 74LVC3G17V8-7

The 74LVC3G17V8-7 from Diodes Incorporated provides equivalent electrical specifications in the 8-VSSOP package with active production status and adequate inventory (4,006 pieces). This part offers a third-source option for supply chain diversification.

Frequently Asked Questions (FAQ)

Q: Can I directly replace SN74LVC3G17DCURE4 with SN74LVC3G17DCUR?

A: Yes. Both parts share identical electrical specifications, operating parameters, and package configuration (8-VSSOP). The SN74LVC3G17DCUR is the active production equivalent from the same manufacturer.

Q: What is the difference between 8-VSSOP and 8-TSSOP packages?

A: Both are surface mount packages with identical electrical functionality. The 8-VSSOP package has a width of 0.091" (2.30mm), while the 8-TSSOP package has a width of 0.118" (3.00mm). Package selection depends on PCB layout constraints and available footprint space.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts meet ROHS3 compliance requirements and have Moisture Sensitivity Level (MSL) rating of 1 (Unlimited).

Q: Which substitute part has the best inventory availability?

A: The 74LVC3G17DP,125 from Nexperia USA Inc. has the highest inventory availability at 83,495 pieces. However, this part uses the 8-TSSOP package rather than 8-VSSOP.

Q: Can I use the 74LVC3G17DC-Q100H in non-automotive applications?

A: Yes. The 74LVC3G17DC-Q100H meets all standard electrical specifications and can be used in any application requiring the 74LVC3G17 logic buffer. The AEC-Q100 qualification is an additional certification that does not restrict its use in non-automotive designs.

Q: What are the key parameters that determine substitutability?

A: Substitutability is determined by matching: Logic Type (Buffer, Non-Inverting), Number of Elements (3), Number of Bits per Element (1), Input Type (Schmitt Trigger), Output Type (Push-Pull), Output Current (32mA high and low), Supply Voltage Range (1.65V ~ 5.5V), Operating Temperature Range (-40°C ~ 125°C), and RoHS/MSL compliance status.

Q: Are there any electrical performance differences between the substitute parts?

A: No. All substitute parts listed maintain identical electrical specifications including output current, supply voltage range, operating temperature, and logic functionality.

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