DM74ALS1034MX Equivalent & Substitute Parts

Part Overview

The DM74ALS1034MX is a Buffer, Non-Inverting logic IC manufactured by onsemi, featuring 6 elements with 1 bit per element and 3-state output capability in a 14-SOIC package. The device operates at 4.5V to 5.5V supply voltage with an operating temperature range of 0°C to 70°C. The product status is listed as Obsolete, making identification of equivalent and substitute parts 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	3-State
Current - Output High	15mA
Current - Output Low	24mA
Voltage - Supply	4.5V ~ 5.5V
Operating Temperature	0°C ~ 70°C (TA)
Package / Case	14-SOIC
Series	74ALS

Substitute Part Grouping Explanation

Substitute parts for the DM74ALS1034MX are classified based on strict electrical and mechanical compatibility criteria. The primary substitution parameters are:

Logic Type: Buffer, Non-Inverting
Number of Elements: 6
Number of Bits per Element: 1
Output Type: 3-State
Current ratings: 15mA (High), 24mA (Low)
Supply Voltage: 4.5V ~ 5.5V
Operating Temperature: 0°C ~ 70°C
Series: 74ALS
Package compatibility: 14-SOIC or 14-SO

Direct Substitutes (SN74ALS1034D, SN74ALS1034DR) maintain identical electrical specifications and package dimensions, differing only in manufacturer (Texas Instruments) and product status.

Similar Substitute (SN74ALS1034NSR) maintains all electrical specifications but uses a 14-SO package with different physical dimensions (0.209" vs 0.154" width), requiring PCB layout verification before implementation.

Parameter Comparison

Parameter	DM74ALS1034MX (onsemi)	SN74ALS1034D (TI)	SN74ALS1034DR (TI)	SN74ALS1034NSR (TI)
Logic Type	Buffer, Non-Inverting	Buffer, Non-Inverting	Buffer, Non-Inverting	Buffer, Non-Inverting
Number of Elements	6	6	6	6
Number of Bits per Element	1	1	1	1
Output Type	3-State	3-State	3-State	3-State
Current - Output High, Low	15mA, 24mA	15mA, 24mA	15mA, 24mA	15mA, 24mA
Voltage - Supply	4.5V ~ 5.5V	4.5V ~ 5.5V	4.5V ~ 5.5V	4.5V ~ 5.5V
Operating Temperature	0°C ~ 70°C	0°C ~ 70°C	0°C ~ 70°C	0°C ~ 70°C
Package / Case	14-SOIC (0.154")	14-SOIC (0.154")	14-SOIC (0.154")	14-SO (0.209")
Product Status	Obsolete	Last Time Buy	Active	Active
RoHS Status	Not specified	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

For applications currently using the DM74ALS1034MX, the following selection criteria apply:

SN74ALS1034DR (Texas Instruments) is the primary recommended substitute. This part maintains identical electrical specifications and package dimensions, with Active product status ensuring long-term availability. ROHS3 compliance provides environmental regulatory alignment. Tape & Reel packaging supports automated assembly processes.

SN74ALS1034D (Texas Instruments) serves as an alternative direct substitute with identical electrical and package specifications. Last Time Buy status indicates limited future availability, making this option suitable for near-term requirements only.

SN74ALS1034NSR (Texas Instruments) is functionally equivalent electrically but uses a 14-SO package with increased width (0.209" vs 0.154"). This part is suitable only when PCB layout accommodates the larger package footprint. Active product status supports long-term procurement.

All three substitutes are manufactured by Texas Instruments, a primary logic IC supplier, and maintain the 74ALS series compatibility required for drop-in replacement scenarios.

Frequently Asked Questions (FAQ)

Q: Can SN74ALS1034NSR be used as a direct replacement for DM74ALS1034MX?

A: SN74ALS1034NSR is electrically equivalent but uses a 14-SO package (0.209" width) instead of 14-SOIC (0.154" width). PCB layout verification is required to confirm package footprint compatibility before implementation.

Q: What is the difference between SN74ALS1034D and SN74ALS1034DR?

A: Both parts are electrically and mechanically identical. The primary difference is packaging format: SN74ALS1034D uses Tube packaging, while SN74ALS1034DR uses Tape & Reel (TR) packaging. Tape & Reel is standard for automated assembly processes.

Q: Why is the DM74ALS1034MX listed as Obsolete?

A: Obsolete status indicates the manufacturer (onsemi) has discontinued production. Substitute parts from active manufacturers ensure design continuity and future availability.

Q: Are all substitute parts RoHS compliant?

A: Yes. SN74ALS1034D, SN74ALS1034DR, and SN74ALS1034NSR are all ROHS3 Compliant, meeting environmental and regulatory requirements.

Q: Which substitute part has the longest availability?

A: SN74ALS1034DR and SN74ALS1034NSR both have Active product status, indicating ongoing production and long-term availability. SN74ALS1034D has Last Time Buy status, indicating limited future availability.

Q: Do all parts operate at the same voltage and temperature ranges?

A: Yes. All substitute parts operate at 4.5V to 5.5V supply voltage with 0°C to 70°C operating temperature range, matching the original DM74ALS1034MX specifications.

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