74LV393D-Q100J Equivalent & Substitute Parts

Part Overview

The 74LV393D-Q100J is a binary counter logic IC manufactured by Nexperia USA Inc., featuring two 4-bit negative edge-triggered counter elements in a 14-SOIC surface mount package. This component is classified as an automotive-grade logic IC with AEC-Q100 qualification and is currently in active production status. The need for equivalent and substitute parts arises from supply chain considerations, packaging preferences, and application-specific requirements where alternative manufacturers or packaging formats may be necessary.

Substiute Parts

74LV393D-Q100J

Nexperia USA Inc.In Stock: 87474LV393D-Q100J Datasheet

Current PartRFQ

SN74LV393AD

Texas InstrumentsIn Stock: 1395SN74LV393AD Datasheet

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SN74LV393ADR

Texas InstrumentsIn Stock: 2090SN74LV393ADR Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 74LV393D-Q100J is determined by the following critical parameters:

Functional Parameters (Must Match):

• Logic Type: Binary Counter
• Number of Elements: 2
• Number of Bits per Element: 4
• Trigger Type: Negative Edge
• Reset: Asynchronous
• Direction: Up
• Package / Case: 14-SOIC (0.154", 3.90mm Width)

Electrical Parameters (Must Be Compatible):

• Voltage - Supply: Substitute must support the operating range of the main part or a compatible subset
• Operating Temperature: Substitute must support the required temperature range

Compliance Parameters:

• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)

The identified substitute parts SN74LV393AD and SN74LV393ADR share the same base product number (74LV393) and maintain identical functional architecture. Both are manufactured by Texas Instruments and meet the core functional requirements. Differences exist in supply voltage range and maximum operating temperature, which must be evaluated against specific application requirements.

Parameter Comparison

Engineering Selection Recommendations

SN74LV393ADR (Recommended Primary Substitute): SN74LV393ADR is the preferred substitute for the 74LV393D-Q100J. Both parts are in active production status, share identical functional specifications, and are supplied in Tape & Reel packaging. The SN74LV393ADR operates across a wider supply voltage range (2 V ~ 5.5 V) compared to the 74LV393D-Q100J (1 V ~ 3.6 V), making it suitable for applications within the 2 V ~ 3.6 V overlap window. Both parts maintain ROHS3 compliance and MSL Level 1 rating. The primary consideration is the reduced maximum operating temperature of the SN74LV393ADR (-40°C ~ 85°C) versus the 74LV393D-Q100J (-40°C ~ 125°C), which must be evaluated against application thermal requirements.

SN74LV393AD (Secondary Substitute): SN74LV393AD is functionally equivalent but carries a discontinued status at DiGi Electronics and is supplied in Tube packaging rather than Tape & Reel format. This part shares the same electrical and temperature specifications as SN74LV393ADR. Selection of this part should be limited to applications where Tube packaging is acceptable and supply chain continuity is not a concern.

Compliance Considerations: All three parts maintain ROHS3 compliance and unlimited moisture sensitivity rating, ensuring compatibility with standard manufacturing and storage requirements. The automotive-grade qualification (AEC-Q100) of the 74LV393D-Q100J is not matched by the Texas Instruments substitutes; applications requiring automotive-grade certification must retain the original Nexperia part.

Frequently Asked Questions (FAQ)

Q: Can SN74LV393ADR be used as a direct replacement for 74LV393D-Q100J?

A: SN74LV393ADR is functionally compatible within the overlapping supply voltage range (2 V ~ 3.6 V). The primary limitation is the reduced maximum operating temperature (85°C versus 125°C). Direct substitution is valid only when application operating temperatures remain below 85°C.

Q: What is the difference between SN74LV393AD and SN74LV393ADR?

A: Both parts are electrically and functionally identical. The difference is packaging format: SN74LV393AD is supplied in Tube packaging, while SN74LV393ADR is supplied in Tape & Reel format. SN74LV393ADR is the preferred choice for automated assembly processes. SN74LV393AD is discontinued at DiGi Electronics, affecting long-term availability.

Q: Why does the 74LV393D-Q100J have a lower supply voltage minimum (1 V) compared to the Texas Instruments substitutes (2 V)?

A: The Nexperia 74LV393D-Q100J is designed to operate at lower supply voltages, extending its application range to 1 V minimum. The Texas Instruments SN74LV393AD and SN74LV393ADR require a minimum of 2 V. Applications operating below 2 V cannot use the Texas Instruments substitutes.

Q: Is the automotive-grade qualification (AEC-Q100) important for my application?

A: AEC-Q100 qualification is required only for automotive applications subject to automotive industry standards. The Texas Instruments substitutes do not carry this qualification. If your application requires automotive-grade components, the 74LV393D-Q100J must be retained.

Q: Are there any performance differences between these parts?

A: All three parts share identical functional specifications for counter operation. The Texas Instruments parts specify a count rate of 70 MHz, which is not specified for the Nexperia part. Functional performance within the specified operating ranges is equivalent.

Q: What packaging considerations should I evaluate?

A: The 74LV393D-Q100J and SN74LV393ADR are both supplied in Tape & Reel format, suitable for automated assembly. SN74LV393AD is supplied in Tube format, which may require manual handling or different assembly processes. Packaging selection should align with your manufacturing process requirements.