SN74AC04MDREP Equivalent & Substitute Parts

Part Overview

The SN74AC04MDREP is a 6-channel inverter logic IC manufactured by Texas Instruments in a 14-SOIC surface mount package. This active product operates across a 2V to 6V supply voltage range with a maximum propagation delay of 7ns at 5V with 50pF load. The part is ROHS3 compliant and carries unlimited moisture sensitivity level rating. Equivalent and substitute parts are identified based on matching functional specifications, electrical parameters, and package compatibility to support design flexibility and supply chain continuity.

Key Parameters

Parameter	Value
Logic Type	Inverter
Number of Circuits	6
Number of Inputs	1
Voltage - Supply	2V ~ 6V
Current - Output High, Low	24mA, 24mA
Max Propagation Delay @ V, Max CL	7ns @ 5V, 50pF
Package / Case	14-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the SN74AC04MDREP are qualified based on the following criteria:

Functional Equivalence: All substitute parts maintain identical logic type (Inverter), circuit count (6 channels), input configuration (1 input per channel), and propagation delay specifications (7ns @ 5V, 50pF).

Electrical Compatibility: Supply voltage range (2V ~ 6V), output current ratings (24mA high and low), and input logic level thresholds are matched across all qualified substitutes.

Package Compatibility: All substitutes use the 14-SOIC surface mount package with identical physical dimensions (0.154", 3.90mm width), ensuring PCB layout compatibility.

Compliance Alignment: All substitutes maintain ROHS3 compliance, REACH unaffected status, and unlimited moisture sensitivity level (MSL 1).

Operational Temperature Variance: The main part operates from -55°C to 125°C, while substitute parts operate from -40°C to 85°C. This represents a narrower operating range and must be evaluated against application requirements.

Parameter Comparison

Parameter	SN74AC04MDREP (TI)	74AC04SC (onsemi)	74AC04SCX (onsemi)	MC74AC04DG (onsemi)	MC74AC04DR2G (onsemi)
Manufacturer	Texas Instruments	onsemi	onsemi	onsemi	onsemi
Logic Type	Inverter	Inverter	Inverter	Inverter	Inverter
Number of Circuits	6	6	6	6	6
Voltage - Supply	2V ~ 6V	2V ~ 6V	2V ~ 6V	2V ~ 6V	2V ~ 6V
Current - Quiescent (Max)	2 µA	2 µA	2 µA	4 µA	4 µA
Current - Output High, Low	24mA, 24mA	24mA, 24mA	24mA, 24mA	24mA, 24mA	24mA, 24mA
Input Logic Level - Low	0.9V ~ 1.65V	0.9V ~ 1.65V	0.9V ~ 1.65V	0.9V ~ 1.65V	0.9V ~ 1.65V
Input Logic Level - High	2.1V ~ 3.85V	2.1V ~ 3.85V	2.1V ~ 3.85V	2.1V ~ 3.85V	2.1V ~ 3.85V
Max Propagation Delay @ V, Max CL	7ns @ 5V, 50pF	7ns @ 5V, 50pF	7ns @ 5V, 50pF	7ns @ 5V, 50pF	7ns @ 5V, 50pF
Operating Temperature	-55°C ~ 125°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Package / Case	14-SOIC (0.154", 3.90mm Width)	14-SOIC (0.154", 3.90mm Width)	14-SOIC (0.154", 3.90mm Width)	14-SOIC (0.154", 3.90mm Width)	14-SOIC (0.154", 3.90mm Width)
Packaging Type	Tape & Reel (TR)	Tube	Cut Tape (CT) & Digi-Reel®	Tube	Cut Tape (CT) & Digi-Reel®
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active	Active	Active

Engineering Selection Recommendations

All substitute parts maintain active product status and ROHS3 compliance, supporting long-term design viability and regulatory alignment. The primary differentiation between the SN74AC04MDREP and onsemi substitutes is the operating temperature range. The Texas Instruments part supports extended temperature operation from -55°C to 125°C, while all onsemi alternatives operate within -40°C to 85°C. Applications requiring operation below -40°C or above 85°C must retain the SN74AC04MDREP.

The MC74AC04DG and MC74AC04DR2G variants exhibit a maximum quiescent current of 4 µA compared to 2 µA for the SN74AC04MDREP, 74AC04SC, and 74AC04SCX. This difference is acceptable for most applications but should be evaluated in power-sensitive designs.

Packaging format differences (Tape & Reel, Tube, Cut Tape & Digi-Reel) reflect supply chain and assembly process requirements rather than functional differences. Selection should align with manufacturing equipment and procurement workflows.

Frequently Asked Questions (FAQ)

Q: Can the onsemi 74AC04SC substitute for the SN74AC04MDREP in all applications?

A: The 74AC04SC is functionally equivalent for applications operating within -40°C to 85°C. Applications requiring the extended temperature range of -55°C to 125°C must use the SN74AC04MDREP or equivalent parts with matching temperature specifications.

Q: What is the difference between MC74AC04DG and MC74AC04DR2G?

A: Both parts are electrically identical with 4 µA maximum quiescent current. The difference is packaging format: MC74AC04DG is supplied in Tube, while MC74AC04DR2G is supplied in Cut Tape & Digi-Reel. Selection depends on assembly process requirements.

Q: Are all substitute parts pin-compatible with the SN74AC04MDREP?

A: Yes. All substitute parts use the 14-SOIC package with identical pin configuration and physical dimensions (0.154", 3.90mm width), ensuring direct PCB compatibility.

Q: Does the 2 µA versus 4 µA quiescent current difference affect circuit design?

A: The difference is negligible for most applications. In power-critical designs, the lower quiescent current of the SN74AC04MDREP, 74AC04SC, and 74AC04SCX may provide marginal advantages. Detailed power budget analysis is required for specific applications.

Q: Are all parts ROHS3 compliant?

A: Yes. All listed parts maintain ROHS3 compliance and REACH unaffected status, supporting regulatory requirements across global markets.

Q: What packaging options are available?

A: The SN74AC04MDREP is supplied in Tape & Reel. Substitute parts are available in Tube (74AC04SC, MC74AC04DG) or Cut Tape & Digi-Reel (74AC04SCX, MC74AC04DR2G). Selection should align with manufacturing assembly equipment.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message