SN74ALVC08PWRG4 Equivalent & Substitute Parts

Part Overview

The SN74ALVC08PWRG4 is a 4-channel AND gate logic IC manufactured by Texas Instruments in a 14-TSSOP surface mount package. This part is currently discontinued at DiGi Electronics. Finding equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements. Multiple parametric equivalents and manufacturer-recommended alternatives are available with identical or compatible electrical and mechanical specifications.

Key Parameters

Parameter	Value
Logic Type	AND Gate
Number of Circuits	4
Number of Inputs	2
Voltage - Supply	1.65V ~ 3.6V
Current - Quiescent (Max)	10 µA
Current - Output High, Low	24mA, 24mA
Input Logic Level - Low	0.7V ~ 0.8V
Input Logic Level - High	1.7V ~ 2V
Max Propagation Delay @ V, Max CL	2.9ns @ 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
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the SN74ALVC08PWRG4 are classified based on strict adherence to the following critical parameters:

Primary Substitution Criteria:

Logic Type: AND Gate
Number of Circuits: 4
Number of Inputs: 2
Package / Case: 14-TSSOP (0.173", 4.40mm Width)
Mounting Type: Surface Mount
Voltage - Supply: 1.65V ~ 3.6V (minimum requirement)
Current - Output High, Low: 24mA, 24mA
Operating Temperature: -40°C ~ 85°C

Parametric Equivalents maintain identical electrical specifications across all critical parameters, including quiescent current, propagation delay, and input logic levels. These parts are direct functional replacements.

Manufacturer-Recommended Alternatives meet the core functional and package requirements but may have minor variations in secondary parameters such as quiescent current or propagation delay characteristics. These parts are approved alternatives by the original manufacturer or equivalent suppliers.

Parameter Comparison

Part Number	Manufacturer	Product Status	Voltage - Supply	Current - Quiescent (Max)	Max Propagation Delay @ 3.3V, 50pF	Packaging	Inventory (Pcs)
SN74ALVC08PWRG4	Texas Instruments	Discontinued at DiGi Electronics	1.65V ~ 3.6V	10 µA	2.9ns	14-TSSOP	2074
SN74ALVC08IPWRG4Q1	Texas Instruments	Active	1.65V ~ 3.6V	10 µA	2.9ns	14-TSSOP (TR)	2193
SN74ALVC08IPWRQ1	Texas Instruments	Active	1.65V ~ 3.6V	10 µA	2.9ns	14-TSSOP (TR)	5400
SN74ALVC08PWR	Texas Instruments	Active	1.65V ~ 3.6V	10 µA	2.9ns	14-TSSOP (CT)	2300
74ALVC08PW,118	NXP Semiconductors	Active	Not specified	Not specified	Not specified	Bulk	60392
74VCX08MTCX	Fairchild Semiconductor	Active	1.2V ~ 3.6V	20 µA	2.8ns @ 3.3V, 30pF	14-TSSOP	4063
74ALVC08MTCX	Fairchild Semiconductor	Active	1.65V ~ 3.6V	40 µA	2.9ns	14-TSSOP	12700

Engineering Selection Recommendations

Tier 1 - Direct Parametric Equivalents (Recommended Primary Choices):

SN74ALVC08IPWRQ1, SN74ALVC08IPWRG4Q1, and SN74ALVC08PWR are active Texas Instruments products with identical electrical specifications to the SN74ALVC08PWRG4. These parts maintain the same quiescent current (10 µA), propagation delay (2.9ns @ 3.3V, 50pF), and supply voltage range. SN74ALVC08IPWRQ1 offers the highest inventory availability (5400 pcs) and is qualified to AEC-Q100 automotive standards. SN74ALVC08PWR is available in Cut Tape & Digi-Reel packaging for flexible procurement. SN74ALVC08IPWRG4Q1 is available in Tape & Reel format with automotive qualification.

Tier 2 - Parametric Alternatives (Secondary Choices):

74ALVC08MTCX (Fairchild Semiconductor) maintains identical supply voltage range and propagation delay but has elevated quiescent current (40 µA versus 10 µA). This part is suitable for applications where quiescent current is not a critical constraint. 74VCX08MTCX (Fairchild Semiconductor) offers extended lower voltage operation (1.2V minimum) and faster propagation delay (2.8ns @ 3.3V, 30pF) but with higher quiescent current (20 µA). This part is appropriate for low-voltage applications requiring enhanced speed performance.

Tier 3 - Manufacturer-Recommended Alternative:

74ALVC08PW,118 (NXP Semiconductors) is a manufacturer-recommended alternative with high inventory availability (60392 pcs). Complete electrical specifications are not provided in the data; verification against design requirements is necessary before selection.

All recommended substitutes maintain ROHS3 compliance, MSL Level 1 rating, and the required 14-TSSOP package form factor.

Frequently Asked Questions (FAQ)

Q: Can SN74ALVC08IPWRQ1 be used as a direct replacement for SN74ALVC08PWRG4?

A: Yes. SN74ALVC08IPWRQ1 is a parametric equivalent with identical electrical specifications. The primary difference is packaging format (Tape & Reel versus the original packaging) and active product status. Both parts are qualified to AEC-Q100 automotive standards and maintain the same 14-TSSOP package dimensions.

Q: What is the difference between SN74ALVC08PWR and SN74ALVC08IPWRQ1?

A: Both are parametric equivalents with identical electrical specifications. The difference is packaging: SN74ALVC08PWR is supplied in Cut Tape & Digi-Reel format, while SN74ALVC08IPWRQ1 is supplied in Tape & Reel format. Selection depends on procurement and assembly requirements.

Q: Is 74ALVC08MTCX suitable as a substitute?

A: 74ALVC08MTCX meets the core functional and package requirements but has higher quiescent current (40 µA versus 10 µA). It is suitable for applications where quiescent current is not a critical design parameter. Verify power consumption requirements before selection.

Q: Why does 74VCX08MTCX have different electrical specifications?

A: 74VCX08MTCX is from the 74VCX series rather than 74ALVC series. It offers extended lower voltage operation (1.2V minimum) and faster propagation delay (2.8ns @ 3.3V, 30pF) but operates at higher quiescent current (20 µA). This part is appropriate for low-voltage or speed-critical applications.

Q: Are all substitute parts RoHS compliant?

A: All listed parametric equivalents (Texas Instruments and Fairchild Semiconductor parts) are ROHS3 compliant with MSL Level 1 rating. Compliance status for 74ALVC08PW,118 (NXP) should be verified with the supplier.

Q: What packaging options are available?

A: Substitute parts are available in multiple packaging formats: Tape & Reel (TR), Cut Tape & Digi-Reel (CT), and Bulk. All maintain the 14-TSSOP (0.173", 4.40mm Width) package form factor. Selection depends on assembly line requirements and procurement volume.

Q: Which substitute has the highest inventory availability?

A: 74ALVC08PW,118 (NXP Semiconductors) has the highest inventory availability at 60392 pcs. Among Texas Instruments parametric equivalents, SN74ALVC08IPWRQ1 offers 5400 pcs in stock.

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