SN7407DG4 Equivalent & Substitute Parts

Part Overview

The SN7407DG4 is a Buffer, Non-Inverting logic IC manufactured by Texas Instruments, featuring 6 elements with 1 bit per element and open collector output configuration. This device operates within the 4.75V to 5.25V supply voltage range and is housed in a 14-SOIC surface mount package. The SN7407DG4 carries a Last Time Buy product status, indicating limited future availability. Identifying equivalent and substitute parts ensures design continuity and supply chain reliability for applications requiring non-inverting buffer functionality with open collector outputs.

Key Parameters

Parameter	Value
Logic Type	Buffer, Non-Inverting
Number of Elements	6
Number of Bits per Element	1
Output Type	Open Collector
Current - Output Low	40mA
Voltage - Supply	4.75V ~ 5.25V
Operating Temperature	0°C ~ 70°C (TA)
Package / Case	14-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the SN7407DG4 are classified based on strict parameter equivalence across electrical and mechanical specifications. All substitute candidates maintain identical logic functionality (Buffer, Non-Inverting), element count (6 elements), bit configuration (1 bit per element), output type (Open Collector), output current rating (40mA), supply voltage range (4.75V ~ 5.25V), operating temperature range (0°C ~ 70°C), and package form factor (14-SOIC surface mount).

Substitution grouping is determined by the following key parameters:

Logic Type and functional configuration
Number of Elements and Bits per Element
Output Type and Current Rating
Supply Voltage and Operating Temperature specifications
Package / Case and Mounting Type compatibility
RoHS and MSL compliance status

Parameter Comparison

Part Number	Manufacturer	Series	Logic Type	Elements	Output Type	Current (Low)	Supply Voltage	Operating Temp	Package	Product Status	Packaging Type
SN7407DG4	Texas Instruments	7400	Buffer, Non-Inverting	6 x 1-bit	Open Collector	40mA	4.75V ~ 5.25V	0°C ~ 70°C	14-SOIC	Last Time Buy	Tube
SN7407D	Texas Instruments	7400	Buffer, Non-Inverting	6 x 1-bit	Open Collector	40mA	4.75V ~ 5.25V	0°C ~ 70°C	14-SOIC	Last Time Buy	Tube
SN7407DR	Texas Instruments	7400	Buffer, Non-Inverting	6 x 1-bit	Open Collector	40mA	4.75V ~ 5.25V	0°C ~ 70°C	14-SOIC	Active	Cut Tape (CT) & Digi-Reel®
SN74LS07D	Texas Instruments	74LS	Buffer, Non-Inverting	6 x 1-bit	Open Collector	40mA	4.75V ~ 5.25V	0°C ~ 70°C	14-SOIC	Active	Tube
SN7417D	Texas Instruments	7400	Buffer, Non-Inverting	6 x 1-bit	Open Collector	40mA	4.75V ~ 5.25V	0°C ~ 70°C	14-SOIC	Last Time Buy	Tube

Engineering Selection Recommendations

MFR Recommended Substitutes:

SN7407D and SN7407DR are manufacturer-recommended direct substitutes for the SN7407DG4. Both parts maintain identical electrical and mechanical specifications within the 7400 series. SN7407DR offers the advantage of Active product status with higher inventory availability (105,300 pcs) and alternative packaging in Cut Tape & Digi-Reel format, providing improved supply chain continuity compared to the Last Time Buy status of SN7407DG4.

Parametric Equivalents:

SN74LS07D and SN7417D are parametric equivalents that satisfy all electrical and mechanical substitution criteria. SN74LS07D operates within the 74LS logic series and maintains Active product status, ensuring long-term availability. SN7417D remains within the 7400 series but carries Last Time Buy status. Both parts are ROHS3 compliant with MSL 1 rating and identical package specifications.

Compliance and Certification:

All substitute parts maintain ROHS3 compliance, MSL 1 (Unlimited) moisture sensitivity rating, and identical REACH and ECCN classifications. Selection should prioritize parts with Active product status for new designs requiring extended component lifecycle support.

Frequently Asked Questions (FAQ)

Q: Can SN7407DR replace SN7407DG4 in existing designs?

A: Yes. SN7407DR is a manufacturer-recommended substitute with identical electrical specifications (Buffer, Non-Inverting, 6 elements, 1 bit per element, Open Collector output, 40mA, 4.75V ~ 5.25V supply, 0°C ~ 70°C operating range) and 14-SOIC package form factor. The primary difference is packaging format (Cut Tape & Digi-Reel vs. Tube) and Active product status.

Q: What is the difference between SN7407D and SN7407DR?

A: Both are identical in electrical and mechanical specifications. The difference lies in packaging: SN7407D is supplied in Tube format, while SN7407DR is supplied in Cut Tape & Digi-Reel format. SN7407DR has significantly higher inventory availability.

Q: Are SN74LS07D and SN7417D direct replacements?

A: SN74LS07D and SN7417D are parametric equivalents meeting all electrical and mechanical substitution criteria. They maintain identical logic functionality, element configuration, output type, current ratings, supply voltage, operating temperature, and package specifications. Series designation (74LS vs. 7400) reflects logic family classification but does not affect functional compatibility in this application.

Q: Why is product status important for component selection?

A: Product status indicates component lifecycle and future availability. Active status (SN7407DR, SN74LS07D) ensures long-term supply and manufacturing support. Last Time Buy status (SN7407DG4, SN7407D, SN7417D) indicates limited future production, making these parts suitable only for existing inventory management or legacy system support.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with modern manufacturing and environmental standards.

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