SN74LVC3G17DCTRG4 Equivalent & Substitute Parts

Part Overview

The SN74LVC3G17DCTRG4 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 wide supply voltage range of 1.65V to 5.5V and is housed in an 8-LSSOP/8-MSOP surface mount package. The part is currently discontinued at DiGi Electronics, making equivalent and substitute parts essential for ongoing design support and production continuity.

Key Parameters

Parameter	Value
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)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the SN74LVC3G17DCTRG4 is determined by strict equivalence across the following critical parameters: logic type (non-inverting buffer), element count (3), bits per element (1), input type (Schmitt Trigger), output type (push-pull), output current capability (32mA high and low), supply voltage range (1.65V ~ 5.5V), operating temperature range (-40°C ~ 125°C), and compliance certifications (ROHS3, REACH Unaffected, EAR99).

Substitute parts are grouped into two categories:

Parametric Equivalents - Parts with identical electrical specifications and compatible package footprints (8-LSSOP, 8-MSOP, 8-SSOP, 8-VSSOP, 8-TSSOP variants).

Manufacturer Recommended Equivalents - Parts from alternative manufacturers (Nexperia USA Inc., Diodes Incorporated) that meet all electrical parameters with package variations that maintain functional compatibility.

Parameter Comparison

Parameter	SN74LVC3G17DCTRG4 (Main)	SN74LVC3G17DCTR	SN74LVC3G17DCTRE4	74LVC3G17DC,125	74LVC3G17DP,125	74LVC3G34V8-7
Manufacturer	Texas Instruments	Texas Instruments	Texas Instruments	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	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C
Package / Case	8-LSSOP, 8-MSOP (0.110", 2.80mm Width)	8-LSSOP, 8-MSOP (0.110", 2.80mm Width)	8-LSSOP, 8-MSOP (0.110", 2.80mm Width)	8-VFSOP (0.091", 2.30mm Width)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-LSSOP, 8-MSOP (0.110", 2.80mm Width)
Product Status	Discontinued at DiGi Electronics	Active	Discontinued at DiGi Electronics	Active	Active	Active
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)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

Primary Recommendation: SN74LVC3G17DCTR

The SN74LVC3G17DCTR is the optimal substitute for the discontinued SN74LVC3G17DCTRG4. Both parts are manufactured by Texas Instruments, share identical electrical specifications, and are housed in the same 8-LSSOP/8-MSOP package footprint. The SN74LVC3G17DCTR maintains active product status with substantial inventory availability (297,110 pcs), ensuring long-term supply continuity. All compliance certifications (ROHS3, REACH Unaffected, EAR99) are equivalent.

Secondary Recommendations: 74LVC3G17DC,125 and 74LVC3G17DP,125

These Nexperia USA Inc. manufactured parts provide manufacturer-recommended equivalence with active product status. The 74LVC3G17DC,125 uses an 8-VFSOP package (0.091", 2.30mm width), while the 74LVC3G17DP,125 uses an 8-TSSOP package (0.118", 3.00mm width). Both require PCB layout modifications due to package footprint differences from the original 8-LSSOP/8-MSOP. The 74LVC3G17DP,125 offers the highest inventory availability (83,495 pcs) among Nexperia options.

Alternative Option: 74LVC3G34V8-7

The 74LVC3G34V8-7 from Diodes Incorporated is a parametric equivalent with active product status and compatible 8-LSSOP/8-MSOP package footprint. This part maintains all electrical specifications and compliance requirements, offering an alternative source for supply chain diversification.

Frequently Asked Questions (FAQ)

Q: Can the SN74LVC3G17DCTR be used as a direct replacement for the SN74LVC3G17DCTRG4?

A: Yes. Both parts are manufactured by Texas Instruments with identical electrical specifications, operating parameters, and package footprint (8-LSSOP/8-MSOP). No circuit modifications are required for direct substitution.

Q: What is the difference between the Texas Instruments and Nexperia versions?

A: All versions maintain identical electrical specifications and compliance certifications. The primary differences are manufacturer source and package variants. Nexperia parts (74LVC3G17DC,125 and 74LVC3G17DP,125) use different package footprints (8-VFSOP and 8-TSSOP respectively), requiring PCB layout changes. Texas Instruments parts maintain the original 8-LSSOP/8-MSOP footprint.

Q: Are package footprint variations compatible with the original design?

A: The 74LVC3G34V8-7 from Diodes Incorporated and the SN74LVC3G17DCTR maintain the same 8-LSSOP/8-MSOP footprint as the original SN74LVC3G17DCTRG4, enabling direct PCB compatibility. The Nexperia 74LVC3G17DC,125 (8-VFSOP) and 74LVC3G17DP,125 (8-TSSOP) require PCB redesign due to different package dimensions.

Q: What compliance certifications apply to all substitute parts?

A: All substitute parts maintain ROHS3 compliance, REACH Unaffected status, and EAR99 classification, matching the original SN74LVC3G17DCTRG4 certifications.

Q: Which substitute part offers the best supply availability?

A: The 74LVC3G17DP,125 from Nexperia USA Inc. provides the highest inventory availability at 83,495 pcs. For direct footprint compatibility, the SN74LVC3G17DCTR from Texas Instruments offers 297,110 pcs in stock.

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