74VHC08SJ AND Gate IC Equivalent & Substitute Parts

Part Overview

The 74VHC08SJ is a 4-channel 2-input AND gate logic IC manufactured by onsemi in a 14-SOP surface mount package. This part is classified as obsolete, making equivalent and substitute parts necessary for new designs and ongoing production requirements. The 74VHC08 series provides standard AND gate functionality across the 2V to 5.5V supply voltage range with consistent electrical performance characteristics.

Key Parameters

Parameter	Value
Logic Type	AND Gate
Number of Circuits	4
Number of Inputs	2
Voltage - Supply	2V ~ 5.5V
Current - Quiescent (Max)	2 µA
Current - Output High, Low	8mA, 8mA
Max Propagation Delay @ 5V, 50pF	7.9ns
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	14-SOIC
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the 74VHC08SJ is determined by the following critical parameters:

Logic function: 4-channel 2-input AND gate
Supply voltage range: 2V ~ 5.5V
Output drive capability: 8mA high and low
Propagation delay: 7.9ns @ 5V, 50pF
Quiescent current: 2 µA maximum
Surface mount packaging with 14-pin SOIC configuration
Moisture sensitivity level: MSL 1

Substitute parts must maintain identical logic functionality, electrical performance within specified tolerances, and compatible package footprints. The 74VHC and 74AHC series families meet these criteria with equivalent or superior operating temperature ranges and product status classifications.

Parameter Comparison

Part Number	Manufacturer	Series	Logic Type	Circuits / Inputs	Supply Voltage	Quiescent Current	Output Drive	Propagation Delay	Operating Temp	Package	Product Status
74VHC08SJ	onsemi	74VHC	AND Gate	4 / 2	2V ~ 5.5V	2 µA	8mA, 8mA	7.9ns @ 5V	-40°C ~ 85°C	14-SOIC	Obsolete
MC74VHC08DR2G	onsemi	74VHC	AND Gate	4 / 2	2V ~ 5.5V	2 µA	8mA, 8mA	7.9ns @ 5V	-55°C ~ 125°C	14-SOIC	Active
SN74AHC08NSR	Texas Instruments	74AHC	AND Gate	4 / 2	2V ~ 5.5V	2 µA	8mA, 8mA	7.9ns @ 5V	-40°C ~ 125°C	14-SOIC	Active
SN74AHC08D	Texas Instruments	74AHC	AND Gate	4 / 2	2V ~ 5.5V	2 µA	8mA, 8mA	7.9ns @ 5V	-40°C ~ 125°C	14-SOIC	Discontinued at DiGi Electronics
SN74AHC08DR	Texas Instruments	74AHC	AND Gate	4 / 2	2V ~ 5.5V	2 µA	8mA, 8mA	7.9ns @ 5V	-40°C ~ 125°C	14-SOIC	Active
SN74AHC08DRG4	Texas Instruments	74AHC	AND Gate	4 / 2	2V ~ 5.5V	2 µA	8mA, 8mA	7.9ns @ 5V	-40°C ~ 125°C	14-SOIC	Obsolete
SN74AHC08MDREP	Texas Instruments	74AHC	AND Gate	4 / 2	2V ~ 5.5V	2 µA	8mA, 8mA	7.9ns @ 5V	-55°C ~ 125°C	14-SOIC	Active
SN74AHC08QDRG4Q1	Texas Instruments	74AHC	AND Gate	4 / 2	2V ~ 5.5V	2 µA	8mA, 8mA	7.9ns @ 5V	-40°C ~ 125°C	14-SOIC	Active
SN74AHC08QDRQ1	Texas Instruments	74AHC	AND Gate	4 / 2	2V ~ 5.5V	2 µA	8mA, 8mA	7.9ns @ 5V	-40°C ~ 125°C	14-SOIC	Active
74AHC08D,118	NXP Semiconductors	74AHC	AND Gate	4 / 2	2V ~ 5.5V	2 µA	8mA, 8mA	7.9ns @ 5V	Not specified	14-SOIC	Active

Engineering Selection Recommendations

For replacement of the obsolete 74VHC08SJ, the following active status parts are recommended based on product availability and compliance status:

Primary Recommendations (Active Status, RoHS3 Compliant):

SN74AHC08NSR (Texas Instruments): Active product with extended operating temperature range (-40°C ~ 125°C), Tape & Reel packaging, RoHS3 compliant
SN74AHC08DR (Texas Instruments): Active product with extended operating temperature range (-40°C ~ 125°C), Cut Tape & Digi-Reel packaging, RoHS3 compliant
SN74AHC08MDREP (Texas Instruments): Active product with extended operating temperature range (-55°C ~ 125°C), Tape & Reel packaging, RoHS3 compliant
MC74VHC08DR2G (onsemi): Active product with extended operating temperature range (-55°C ~ 125°C), same series family, RoHS3 compliant

Automotive Grade Options (AEC-Q100 Qualified):

SN74AHC08QDRG4Q1 (Texas Instruments): Active automotive-qualified part with AEC-Q100 certification
SN74AHC08QDRQ1 (Texas Instruments): Active automotive-qualified part with AEC-Q100 certification

All recommended substitutes maintain identical logic functionality, electrical performance specifications, and 14-SOIC package compatibility with the original 74VHC08SJ. The 74AHC series from Texas Instruments offers superior product status and extended temperature operating ranges compared to the original part.

Frequently Asked Questions (FAQ)

Q: Can I directly replace 74VHC08SJ with SN74AHC08DR in my existing design?

A: Yes. Both parts are 4-channel 2-input AND gates with identical electrical specifications (2V ~ 5.5V supply, 7.9ns propagation delay, 8mA output drive), identical 14-SOIC package footprint, and MSL 1 moisture sensitivity. The SN74AHC08DR is an active product with extended operating temperature range.

Q: What is the difference between 74VHC and 74AHC series?

A: Both series provide equivalent AND gate logic functionality with identical electrical performance. The 74AHC series from Texas Instruments offers active product status and extended operating temperature ranges (-40°C ~ 125°C or -55°C ~ 125°C) compared to the 74VHC series. Both are RoHS3 compliant.

Q: Are the automotive-qualified versions (SN74AHC08QDRG4Q1, SN74AHC08QDRQ1) compatible with standard industrial applications?

A: Yes. Automotive-qualified parts with AEC-Q100 certification meet or exceed industrial specifications and are fully compatible with standard industrial designs. These parts provide additional qualification assurance.

Q: What packaging options are available for substitutes?

A: Substitute parts are available in multiple packaging formats: Tape & Reel (TR), Cut Tape & Digi-Reel (CT), and Bulk. All maintain the same 14-SOIC physical package footprint. Select packaging based on procurement and assembly requirements.

Q: Is the NXP 74AHC08D,118 a suitable substitute?

A: The NXP 74AHC08D,118 provides equivalent AND gate logic and electrical performance with active product status. However, complete operating temperature range specifications are not provided in the available data. Texas Instruments and onsemi alternatives with fully documented specifications are preferred for critical applications.

Q: Do all substitute parts have the same moisture sensitivity level?

A: Yes. All substitute parts listed maintain MSL 1 (Unlimited) moisture sensitivity level, identical to the original 74VHC08SJ.

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