SN74LVC08APWG4 Equivalent & Substitute Parts

Part Overview

The SN74LVC08APWG4 is a 4-channel 2-input AND gate logic IC manufactured by Texas Instruments in 14-TSSOP surface mount packaging. This part is discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives. The device operates across a 1.65V to 3.6V supply voltage range with low quiescent current and is suitable for general-purpose logic applications requiring AND gate functionality.

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)	1 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 @ 3.3V, 50pF	3.9ns
Operating Temperature	-40°C ~ 125°C
Mounting Type	Surface Mount
Package / Case	14-TSSOP (0.173", 4.40mm Width)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the SN74LVC08APWG4 is determined by the following critical parameters:

Functional Requirements:

Logic type: AND Gate
Circuit count: 4 channels
Input count: 2 inputs per channel
Output drive capability: 24mA minimum for both high and low states

Electrical Compatibility:

Supply voltage range must encompass or be compatible with 1.65V ~ 3.6V
Quiescent current specifications
Input logic level thresholds
Propagation delay performance

Physical & Environmental:

Surface mount packaging (14-TSSOP or compatible)
Operating temperature range: -40°C ~ 125°C minimum
RoHS3 compliance
MSL rating of 1 or better

Substitute parts are grouped into two categories based on voltage supply range compatibility and quiescent current characteristics, with all maintaining the core 4-channel 2-input AND gate functionality and 14-TSSOP package footprint.

Parameter Comparison

Parameter	SN74LVC08APWG4 (Main)	SN74LVC08APW	74LCX08MTCX	74LVC08ADB,112	74LVC08APW,118	MC74LCX08DTG	MC74LCX08DTR2G
Manufacturer	Texas Instruments	Texas Instruments	onsemi	Nexperia USA Inc.	Nexperia USA Inc.	onsemi	onsemi
Logic Type	AND Gate	AND Gate	AND Gate	AND Gate	AND Gate	AND Gate	AND Gate
Number of Circuits	4	4	4	4	4	4	4
Number of Inputs	2	2	2	2	2	2	2
Voltage - Supply	1.65V ~ 3.6V	1.65V ~ 3.6V	2V ~ 3.6V	1.2V ~ 3.6V	1.2V ~ 3.6V	2V ~ 3.6V	2V ~ 3.6V
Current - Quiescent (Max)	1 µA	1 µA	10 µA	40 µA	40 µA	10 µA	10 µA
Current - Output High, Low	24mA, 24mA	24mA, 24mA	24mA, 24mA	24mA, 24mA	24mA, 24mA	24mA, 24mA	24mA, 24mA
Input Logic Level - Low	0.7V ~ 0.8V	0.7V ~ 0.8V	0.7V ~ 0.8V	0.12V ~ 0.8V	0.12V ~ 0.8V	0.7V ~ 0.8V	0.7V ~ 0.8V
Input Logic Level - High	1.7V ~ 2V	1.7V ~ 2V	1.7V ~ 2V	1.08V ~ 2V	1.08V ~ 2V	1.7V ~ 2V	1.7V ~ 2V
Max Propagation Delay @ 3.3V, 50pF	3.9ns	3.9ns	5.5ns	4.1ns	4.1ns	5.5ns	5.5ns
Operating Temperature	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 85°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 85°C	-40°C ~ 85°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	14-TSSOP	14-TSSOP	14-TSSOP	14-SSOP	14-TSSOP	14-TSSOP	14-TSSOP
Product Status	Discontinued	Active	Active	Obsolete	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1	1	1	1	1	1	1

Engineering Selection Recommendations

Primary Recommendation: SN74LVC08APW

The SN74LVC08APW from Texas Instruments is the direct active equivalent. It maintains identical electrical specifications to the SN74LVC08APWG4, including supply voltage range (1.65V ~ 3.6V), quiescent current (1 µA), propagation delay (3.9ns @ 3.3V, 50pF), and operating temperature range (-40°C ~ 125°C). The part is currently active with substantial inventory availability (4110 pcs). Packaging is 14-TSSOP with identical footprint dimensions. RoHS3 compliance and MSL rating of 1 are maintained.

Secondary Recommendation: 74LVC08APW,118

The 74LVC08APW,118 from Nexperia USA Inc. provides functional equivalence with extended supply voltage range (1.2V ~ 3.6V). Quiescent current is higher at 40 µA compared to 1 µA in the main part. Propagation delay is 4.1ns, slightly higher than the original 3.9ns. Operating temperature range matches the original (-40°C ~ 125°C). This part is active with high inventory (17712 pcs) and maintains 14-TSSOP packaging, RoHS3 compliance, and MSL rating of 1.

Alternative Consideration: 74LCX08MTCX and MC74LCX08DTG/MC74LCX08DTR2G

The onsemi 74LCX series parts (74LCX08MTCX, MC74LCX08DTG, MC74LCX08DTR2G) provide functional AND gate equivalence but with operational constraints. Supply voltage range is limited to 2V ~ 3.6V, excluding operation below 2V. Quiescent current is 10 µA. Propagation delay is 5.5ns, notably higher than the original specification. Operating temperature range is restricted to -40°C ~ 85°C, limiting high-temperature applications. These parts are suitable only when the application does not require operation below 2V supply or above 85°C ambient temperature.

Not Recommended: 74LVC08ADB,112

The 74LVC08ADB,112 from Nexperia is marked as obsolete and should not be selected for new designs despite extended supply voltage range (1.2V ~ 3.6V). The package is 14-SSOP rather than 14-TSSOP, requiring PCB layout modification.

Frequently Asked Questions (FAQ)

Q: Can I use the 74LCX08MTCX as a direct replacement for the SN74LVC08APWG4?

A: The 74LCX08MTCX provides functional equivalence as a 4-channel 2-input AND gate in 14-TSSOP packaging. However, it has operational limitations: minimum supply voltage is 2V (versus 1.65V for the original), maximum operating temperature is 85°C (versus 125°C), and propagation delay is 5.5ns (versus 3.9ns). Use this part only if your application does not require operation below 2V or above 85°C.

Q: What is the difference between SN74LVC08APW and 74LVC08APW,118?

A: Both are 4-channel 2-input AND gates in 14-TSSOP packaging from different manufacturers (Texas Instruments vs. Nexperia). The SN74LVC08APW has lower quiescent current (1 µA vs. 40 µA) and faster propagation delay (3.9ns vs. 4.1ns). The 74LVC08APW,118 supports lower supply voltages (1.2V minimum vs. 1.65V). For low-power applications, the SN74LVC08APW is preferred; for extended voltage range, the 74LVC08APW,118 is suitable.

Q: Are all substitute parts RoHS3 compliant?

A: Yes, all listed substitute parts maintain RoHS3 compliance and MSL rating of 1 (unlimited moisture sensitivity level), matching the original SN74LVC08APWG4 environmental certifications.

Q: Does the 14-SSOP package of the 74LVC08ADB,112 fit the same PCB footprint as the 14-TSSOP?

A: No. The 14-SSOP package (5.30mm width) differs from the 14-TSSOP package (4.40mm width). PCB layout modification is required. Additionally, this part is obsolete and not recommended for new designs.

Q: Which substitute part has the fastest propagation delay?

A: The SN74LVC08APW and the original SN74LVC08APWG4 both have 3.9ns propagation delay at 3.3V with 50pF load. The 74LVC08APW,118 has 4.1ns, while the onsemi 74LCX series parts have 5.5ns.

Q: Can I use these parts interchangeably in high-temperature applications above 85°C?

A: No. The onsemi 74LCX series parts (74LCX08MTCX, MC74LCX08DTG, MC74LCX08DTR2G) are rated only to 85°C maximum. For applications requiring operation up to 125°C, use the SN74LVC08APW or 74LVC08APW,118.

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