DM74AS169AN Equivalent & Substitute Parts

Part Overview

The DM74AS169AN is a 4-bit binary counter IC manufactured by onsemi, designed for synchronous up/down counting applications with a maximum count rate of 75 MHz. This component features positive edge triggering, operates across a 4.5 V to 5.5 V supply range, and is housed in a 16-DIP package suitable for through-hole mounting.

The DM74AS169AN carries an obsolete product status. Identifying equivalent substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support ongoing production or maintenance requirements for systems utilizing this component.

Substiute Parts

DM74AS169AN

onsemiIn Stock: 675DM74AS169AN Datasheet

Current PartRFQ

SN74AS169AN

Texas InstrumentsIn Stock: 1190SN74AS169AN Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the DM74AS169AN is determined by strict equivalence across the following critical parameters:

• Logic Type: Binary Counter
• Number of Bits per Element: 4
• Direction: Up, Down capability
• Timing: Synchronous operation
• Count Rate: 75 MHz minimum
• Trigger Type: Positive Edge
• Voltage - Supply: 4.5 V ~ 5.5 V
• Package / Case: 16-DIP (0.300", 7.62mm)
• Mounting Type: Through Hole

The SN74AS169AN from Texas Instruments meets all specified electrical and mechanical parameters, establishing it as a parametric equivalent suitable for direct substitution in applications requiring the DM74AS169AN.

Parameter Comparison

Engineering Selection Recommendations

The SN74AS169AN from Texas Instruments is the direct parametric equivalent for the obsolete DM74AS169AN. Both components share identical electrical specifications, package geometry, and functional characteristics across all critical parameters.

The SN74AS169AN carries an active product status, ensuring ongoing availability and supply chain support. Both parts maintain REACH Unaffected status and EAR99 export classification, indicating equivalent regulatory compliance profiles.

Selection of the SN74AS169AN as a substitute eliminates obsolescence risk while maintaining full functional and mechanical compatibility with existing designs utilizing the DM74AS169AN.

Frequently Asked Questions (FAQ)

Q: Can the SN74AS169AN directly replace the DM74AS169AN in existing designs?

A: Yes. The SN74AS169AN meets all electrical and mechanical specifications of the DM74AS169AN, including count rate, supply voltage, operating temperature range, and 16-DIP package dimensions. Direct substitution is supported without design modification.

Q: What is the primary advantage of substituting to the SN74AS169AN?

A: The SN74AS169AN carries an active product status, whereas the DM74AS169AN is obsolete. This substitution ensures long-term component availability and supply chain continuity.

Q: Are there any differences in regulatory compliance between these parts?

A: Both the DM74AS169AN and SN74AS169AN maintain REACH Unaffected status and EAR99 export classification. Regulatory compliance profiles are equivalent.

Q: Does the package type differ between these components?

A: No. Both components use the 16-DIP (0.300", 7.62mm) package with through-hole mounting, ensuring identical PCB footprint and assembly compatibility.

Q: What are the critical parameters that define substitution eligibility?

A: Substitution is determined by equivalence in logic type (binary counter), bit width (4-bit), direction capability (up/down), timing (synchronous), count rate (75 MHz), trigger type (positive edge), supply voltage (4.5 V ~ 5.5 V), operating temperature range (0°C ~ 70°C), and package type (16-DIP through-hole).