DM74AS1034AMX Equivalent & Substitute Parts

Part Overview

The DM74AS1034AMX is a non-inverting buffer logic integrated circuit manufactured by onsemi, featuring 6 elements with 1 bit per element and logic output capability. This device operates within a 4.5V to 5.5V supply voltage range and is housed in a 14-SOIC surface mount package. The part is currently classified as obsolete, making identification of equivalent and substitute components essential for ongoing design support and procurement continuity.

Key Parameters

Parameter	Value
Logic Type	Buffer, Non-Inverting
Number of Elements	6
Number of Bits per Element	1
Output Type	Logic
Current - Output High, Low	48mA, 48mA
Voltage - Supply	4.5V ~ 5.5V
Operating Temperature	0°C ~ 70°C (TA)
Package / Case	14-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the DM74AS1034AMX are qualified based on strict electrical and mechanical parameter matching. The following criteria determine substitution eligibility:

Critical Matching Parameters:

Logic Type: Buffer, Non-Inverting
Number of Elements: 6
Number of Bits per Element: 1
Output Type: Logic
Current - Output High, Low: 48mA, 48mA
Voltage - Supply: 4.5V ~ 5.5V
Operating Temperature: 0°C ~ 70°C (TA)
Package / Case: 14-SOIC (0.154", 3.90mm Width)
Mounting Type: Surface Mount

All identified substitute parts meet these parameters without exception. Substitutes are further categorized by product status and packaging configuration to support different procurement and application scenarios.

Parameter Comparison

Parameter	DM74AS1034AMX (onsemi)	SN74AS1034AD (TI)	SN74AS1034ADR (TI)
Manufacturer	onsemi	Texas Instruments	Texas Instruments
Logic Type	Buffer, Non-Inverting	Buffer, Non-Inverting	Buffer, Non-Inverting
Number of Elements	6	6	6
Number of Bits per Element	1	1	1
Output Type	Logic	Logic	Logic
Current - Output High, Low	48mA, 48mA	48mA, 48mA	48mA, 48mA
Voltage - Supply	4.5V ~ 5.5V	4.5V ~ 5.5V	4.5V ~ 5.5V
Operating Temperature	0°C ~ 70°C (TA)	0°C ~ 70°C (TA)	0°C ~ 70°C (TA)
Package / Case	14-SOIC (0.154", 3.90mm Width)	14-SOIC (0.154", 3.90mm Width)	14-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Obsolete	Last Time Buy	Active
Packaging Configuration	Standard	Tube	Tape & Reel (TR)
RoHS Status	Not specified	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

SN74AS1034ADR (Texas Instruments) - Recommended Primary Substitute

The SN74AS1034ADR is the preferred substitute for new designs and ongoing procurement. This part carries Active product status, ensuring long-term availability and manufacturer support. It is ROHS3 compliant and supplied in Tape & Reel (TR) packaging, which is standard for high-volume manufacturing and automated assembly processes. With 5095 units in stock, this part provides immediate procurement availability.

SN74AS1034AD (Texas Instruments) - Secondary Substitute

The SN74AS1034AD serves as an alternative substitute with Last Time Buy status. This part is ROHS3 compliant and supplied in Tube packaging, suitable for lower-volume applications or manual assembly workflows. With 1612 units in stock, this option remains available for transitional procurement scenarios.

DM74AS1034AMX (onsemi) - Original Part

The original DM74AS1034AMX is classified as obsolete. While 843 units remain in stock, this part should be phased out in favor of active alternatives to ensure long-term design sustainability.

Frequently Asked Questions (FAQ)

Q: Can SN74AS1034ADR be used as a direct replacement for DM74AS1034AMX?

A: Yes. Both parts are electrically and mechanically identical across all specified parameters, including logic type, element count, output current ratings, supply voltage range, operating temperature, and 14-SOIC package dimensions. The primary difference is product status and packaging configuration.

Q: What is the difference between SN74AS1034AD and SN74AS1034ADR?

A: Both parts are electrically identical. The difference lies in packaging configuration: SN74AS1034AD is supplied in Tube packaging, while SN74AS1034ADR is supplied in Tape & Reel (TR) packaging. Tape & Reel is standard for automated assembly and high-volume production, while Tube packaging is suitable for manual assembly or lower-volume applications.

Q: Why is the DM74AS1034AMX classified as obsolete?

A: The DM74AS1034AMX has reached end-of-life status with onsemi. Texas Instruments offers functionally equivalent alternatives with active product status, ensuring continued availability and manufacturer support.

Q: Are there any compliance differences between the substitute parts?

A: The Texas Instruments substitutes (SN74AS1034AD and SN74AS1034ADR) are both ROHS3 compliant. Compliance information for the original DM74AS1034AMX is not specified in the provided data. Both substitutes carry REACH Unaffected status, matching the original part.

Q: What inventory levels are available for each part?

A: DM74AS1034AMX: 843 units; SN74AS1034AD: 1612 units; SN74AS1034ADR: 5095 units. The SN74AS1034ADR offers the highest inventory availability.

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