DM74ALS534WMX Equivalent & Substitute Parts

Part Overview

The DM74ALS534WMX is a Flip Flop 1 Element D-Type 8 Bit Positive Edge logic integrated circuit manufactured by onsemi in a 20-SOIC surface mount package. This component functions as a standard D-type flip-flop with tri-state inverted outputs, designed for digital logic applications requiring edge-triggered data capture and storage.

The DM74ALS534WMX carries an Obsolete product status. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production or maintenance requirements for systems utilizing this component.

Substiute Parts

DM74ALS534WMX
onsemiIn Stock: 2223DM74ALS534WMX Datasheet
DM74ALS534WMX
Current Part
SN74ALS534ADWR
Texas InstrumentsIn Stock: 2781SN74ALS534ADWR Datasheet
SN74ALS534ADWR
Direct

Key Parameters

Parameter Value
Series 74ALS
Type D-Type Flip Flop
Number of Elements 1
Number of Bits per Element 8
Output Type Tri-State, Inverted
Clock Frequency 35 MHz
Max Propagation Delay 16 ns @ 5V, 50pF
Trigger Type Positive Edge
Voltage Supply Range 4.5V ~ 5.5V
Current - Output High, Low 2.6 mA, 24 mA
Current - Quiescent (Iq) 19 mA
Operating Temperature 0°C ~ 70°C (TA)
Package / Case 20-SOIC (0.295", 7.50mm Width)
Mounting Type Surface Mount
Moisture Sensitivity Level (MSL) 1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the DM74ALS534WMX is determined by strict equivalence across the following critical parameters:

  • Logic Function: D-Type flip-flop with 1 element, 8 bits per element
  • Output Configuration: Tri-state, inverted outputs
  • Trigger Mechanism: Positive edge triggered
  • Electrical Performance: 35 MHz clock frequency, 16 ns maximum propagation delay at 5V with 50pF load
  • Power Supply: 4.5V to 5.5V operating range
  • Output Drive Capability: 2.6 mA high, 24 mA low
  • Package Format: 20-SOIC surface mount package with 0.295" (7.50mm) width
  • Operating Temperature Range: 0°C to 70°C

The SN74ALS534ADWR from Texas Instruments meets all specified electrical and mechanical parameters, making it a direct functional equivalent for the obsolete DM74ALS534WMX.

Parameter Comparison

Parameter DM74ALS534WMX (onsemi) SN74ALS534ADWR (Texas Instruments)
Series 74ALS 74ALS
Type D-Type Flip Flop D-Type Flip Flop
Number of Elements 1 1
Number of Bits per Element 8 8
Output Type Tri-State, Inverted Tri-State, Inverted
Clock Frequency 35 MHz 35 MHz
Max Propagation Delay 16 ns @ 5V, 50pF 16 ns @ 5V, 50pF
Trigger Type Positive Edge Positive Edge
Voltage Supply Range 4.5V ~ 5.5V 4.5V ~ 5.5V
Current - Output High, Low 2.6 mA, 24 mA 2.6 mA, 24 mA
Current - Quiescent (Iq) 19 mA 19 mA
Operating Temperature 0°C ~ 70°C (TA) 0°C ~ 70°C (TA)
Package / Case 20-SOIC (0.295", 7.50mm Width) 20-SOIC (0.295", 7.50mm Width)
Mounting Type Surface Mount Surface Mount
Moisture Sensitivity Level (MSL) 1 (Unlimited) 1 (Unlimited)

Engineering Selection Recommendations

The SN74ALS534ADWR is the direct substitute for the obsolete DM74ALS534WMX. The Texas Instruments part carries Active product status, ensuring ongoing availability and manufacturer support. Both components are REACH Unaffected and classified under ECCN EAR99, maintaining equivalent regulatory compliance.

The SN74ALS534ADWR is supplied in Tape & Reel packaging format, standard for production environments. The part is RoHS3 Compliant, meeting current environmental and hazardous substance restrictions. All electrical characteristics, timing specifications, and package dimensions are identical between the two parts, enabling direct substitution without circuit redesign or board layout modification.

Frequently Asked Questions (FAQ)

Q: Can the SN74ALS534ADWR replace the DM74ALS534WMX in existing designs?

A: Yes. The SN74ALS534ADWR is electrically and mechanically equivalent. All functional parameters, timing specifications, supply voltage requirements, output drive capabilities, and package dimensions are identical. Direct substitution is possible without design changes.

Q: Are there differences in package handling or moisture sensitivity?

A: No. Both parts share MSL Level 1 (Unlimited), indicating no moisture sensitivity restrictions. Both use the identical 20-SOIC surface mount package with 0.295" width. Standard handling procedures apply to both components.

Q: What is the significance of the product status difference?

A: The DM74ALS534WMX is Obsolete, meaning onsemi no longer manufactures or supports this part. The SN74ALS534ADWR is Active, indicating Texas Instruments continues production and provides full technical support. For new designs or ongoing production, the Active part ensures supply chain continuity.

Q: Are there compliance or certification differences?

A: Both parts are REACH Unaffected and carry ECCN EAR99 classification. The SN74ALS534ADWR adds RoHS3 Compliance certification. Both meet equivalent regulatory requirements for industrial and commercial applications.

Q: Can these parts be used interchangeably in high-speed applications?

A: Yes. Both parts support 35 MHz clock frequency with 16 ns maximum propagation delay at 5V with 50pF load. Timing performance is identical, supporting equivalent high-speed logic applications.

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