SN74LVC04AQDREP Equivalent & Substitute Parts

Part Overview

The SN74LVC04AQDREP is a 6-channel inverter logic IC manufactured by Texas Instruments in a 14-SOIC surface mount package. This device is classified as Active product status and operates across a 2V to 3.6V supply voltage range, making it suitable for low-voltage digital logic applications. The part is RoHS3 compliant with MSL 1 rating, indicating unlimited moisture sensitivity protection.

Substitute parts become necessary when the primary part experiences supply constraints, extended lead times, or when design requirements mandate alternative manufacturers or packaging formats while maintaining functional equivalence.

Key Parameters

Parameter	Value
Logic Type	Inverter
Number of Circuits	6
Number of Inputs	1
Voltage - Supply	2V ~ 3.6V
Current - Quiescent (Max)	10 µA
Current - Output High, Low	24mA, 24mA
Input Logic Level - Low	0.8V
Input Logic Level - High	2V
Max Propagation Delay @ 3.3V, 50pF	4.5ns
Operating Temperature	-40°C ~ 125°C
Package / Case	14-SOIC (0.154", 3.90mm Width)
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the SN74LVC04AQDREP is determined by the following criteria:

Functional Parameters (Must Match):

Logic Type: Inverter
Number of Circuits: 6
Number of Inputs: 1
Package / Case: 14-SOIC form factor
Voltage - Supply: 2V ~ 3.6V range
Current - Output High, Low: 24mA, 24mA

Electrical Compatibility Parameters:

Input Logic Level thresholds within acceptable tolerance
Max Propagation Delay performance at specified conditions
Operating Temperature range coverage

Compliance & Environmental:

RoHS3 compliance
MSL 1 rating
REACH unaffected status

Parts are grouped as direct parametric equivalents when all functional and electrical parameters align within the specified tolerances. Variants may include different manufacturers, packaging formats (Tube vs. Tape & Reel), or automotive-grade qualifications while maintaining core electrical performance.

Parameter Comparison

Parameter	SN74LVC04AQDREP	SN74LVC04AQDRQ1	74LCX04M	MC74LCX04DG	MC74LCX04DR2G
Manufacturer	Texas Instruments	Texas Instruments	onsemi	onsemi	onsemi
Logic Type	Inverter	Inverter	Inverter	Inverter	Inverter
Number of Circuits	6	6	6	6	6
Number of Inputs	1	1	1	1	1
Voltage - Supply	2V ~ 3.6V	2V ~ 3.6V	2V ~ 3.6V	2V ~ 3.6V	2V ~ 3.6V
Current - Quiescent (Max)	10 µA	10 µA	10 µA	10 µA	10 µA
Current - Output High, Low	24mA, 24mA	24mA, 24mA	24mA, 24mA	24mA, 24mA	24mA, 24mA
Input Logic Level - Low	0.8V	0.8V	0.7V ~ 0.8V	0.7V ~ 0.8V	0.7V ~ 0.8V
Input Logic Level - High	2V	2V	1.7V ~ 2V	1.7V ~ 2V	1.7V ~ 2V
Max Propagation Delay @ 3.3V, 50pF	4.5ns	4.5ns	5.2ns	5.2ns	5.2ns
Operating Temperature	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 85°C	-55°C ~ 125°C	-55°C ~ 125°C
Package / Case	14-SOIC	14-SOIC	14-SOIC	14-SOIC	14-SOIC
Packaging Format	Tape & Reel (TR)	Tape & Reel (TR)	Tube	Tube	Tape & Reel (TR)
Product Status	Active	Active	Obsolete	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Automotive Grade	Standard	AEC-Q100	Standard	Standard	Standard

Engineering Selection Recommendations

SN74LVC04AQDRQ1 is a direct parametric equivalent with identical electrical specifications and operating temperature range. This part carries AEC-Q100 automotive qualification, making it suitable for applications requiring automotive-grade components. Both Texas Instruments parts maintain 4.5ns propagation delay performance and are available in Tape & Reel packaging.

MC74LCX04DG and MC74LCX04DR2G are onsemi alternatives that meet core functional requirements with extended operating temperature range (-55°C to 125°C). These parts exhibit slightly higher propagation delay (5.2ns) and broader input logic level tolerances. MC74LCX04DR2G is available in Tape & Reel format, while MC74LCX04DG is supplied in Tube packaging.

74LCX04M is classified as Obsolete product status and operates within a reduced temperature range (-40°C to 85°C). This part should be avoided for new designs or applications requiring long-term supply assurance.

74LVC04AD,118 from NXP Semiconductors is listed with minimal parametric detail in the provided data. Selection of this part requires verification of complete electrical specifications against application requirements.

All substitute parts maintain RoHS3 compliance, MSL 1 rating, and REACH unaffected status consistent with the primary part.

Frequently Asked Questions (FAQ)

Q: Can SN74LVC04AQDRQ1 be used as a direct replacement for SN74LVC04AQDREP?

A: Yes. Both parts are Texas Instruments 74LVC series inverters with identical electrical parameters, supply voltage range, propagation delay, and operating temperature specifications. The primary difference is AEC-Q100 automotive qualification on the AQDRQ1 variant. Both are available in 14-SOIC Tape & Reel packaging.

Q: What is the significance of the propagation delay difference between Texas Instruments and onsemi parts?

A: Texas Instruments SN74LVC04 variants specify 4.5ns maximum propagation delay at 3.3V with 50pF load. onsemi 74LCX04 variants specify 5.2ns under identical conditions. For timing-critical applications, this 0.7ns difference may be significant. Applications with relaxed timing requirements can accommodate the onsemi parts.

Q: Why is 74LCX04M listed as Obsolete?

A: The 74LCX04M from onsemi carries Obsolete product status, indicating discontinued manufacturing and limited future availability. This part should not be selected for new designs. Active alternatives include MC74LCX04DG and MC74LCX04DR2G.

Q: Are there packaging format differences between substitute parts?

A: Yes. SN74LVC04AQDREP and SN74LVC04AQDRQ1 are supplied in Tape & Reel format. MC74LCX04DG is supplied in Tube format, while MC74LCX04DR2G is available in Tape & Reel. Packaging format selection depends on assembly process requirements and volume considerations.

Q: What is the operating temperature range difference between parts?

A: SN74LVC04AQDREP and SN74LVC04AQDRQ1 operate from -40°C to 125°C. MC74LCX04DG and MC74LCX04DR2G extend the lower temperature limit to -55°C. The 74LCX04M is limited to -40°C to 85°C. Application temperature requirements determine which parts are suitable.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts maintain RoHS3 compliance, MSL 1 rating, and REACH unaffected status, consistent with environmental and regulatory requirements of the primary SN74LVC04AQDREP part.

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