DM74ALS00ASJX Equivalent & Substitute Parts

Part Overview

The DM74ALS00ASJX is a NAND Gate IC with 4 channels and 2 inputs per channel in a 14-SOP package, manufactured by onsemi. This component is classified as obsolete, making equivalent substitute parts necessary for new designs and ongoing production requirements. The 74ALS logic family provides standard TTL-compatible switching functionality with defined electrical characteristics suitable for digital logic applications.

Key Parameters

Parameter	Value
Logic Type	NAND Gate
Number of Circuits	4
Number of Inputs	2
Voltage - Supply	4.5V ~ 5.5V
Current - Output High, Low	400µA, 8mA
Input Logic Level - Low	0.8V
Input Logic Level - High	2V
Max Propagation Delay @ V, Max CL	11ns @ 5V, 50pF
Operating Temperature	0°C ~ 70°C
Mounting Type	Surface Mount
Base Product Number	74ALS00

Substitute Part Grouping Explanation

Substitution for the DM74ALS00ASJX is determined by strict equivalence across the following parameters:

Logic Type: NAND Gate
Number of Circuits: 4
Number of Inputs: 2 per circuit
Voltage Supply Range: 4.5V ~ 5.5V
Output Current Specifications: 400µA (high), 8mA (low)
Input Logic Levels: 0.8V (low), 2V (high)
Propagation Delay: 11ns @ 5V, 50pF
Operating Temperature Range: 0°C ~ 70°C
Base Product Number: 74ALS00

All substitute parts listed maintain identical electrical performance characteristics and functional specifications. Package variations (14-SOP, 14-SOIC) are mechanical differences that do not affect electrical equivalence when PCB layout accommodates the alternate footprint.

Parameter Comparison

Parameter	DM74ALS00ASJX (onsemi)	SN74ALS00AD (TI)	SN74ALS00ADR (TI)	SN74ALS00ANSR (TI)
Logic Type	NAND Gate	NAND Gate	NAND Gate	NAND Gate
Number of Circuits	4	4	4	4
Number of Inputs	2	2	2	2
Voltage - Supply	4.5V ~ 5.5V	4.5V ~ 5.5V	4.5V ~ 5.5V	4.5V ~ 5.5V
Current - Output High, Low	400µA, 8mA	400µA, 8mA	400µA, 8mA	400µA, 8mA
Input Logic Level - Low	0.8V	0.8V	0.8V	0.8V
Input Logic Level - High	2V	2V	2V	2V
Max Propagation Delay @ V, Max CL	11ns @ 5V, 50pF	11ns @ 5V, 50pF	11ns @ 5V, 50pF	11ns @ 5V, 50pF
Operating Temperature	0°C ~ 70°C	0°C ~ 70°C	0°C ~ 70°C	0°C ~ 70°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Product Status	Obsolete	Last Time Buy	Active	Active
RoHS Status	REACH Unaffected	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

For new designs and production applications requiring the DM74ALS00ASJX functionality, the following selection criteria apply:

Active Status Priority: SN74ALS00ADR and SN74ALS00ANSR are both classified as Active products and represent the preferred selection for ongoing production. Both parts maintain full electrical equivalence and comply with ROHS3 standards.

Last Time Buy Consideration: SN74ALS00AD carries Last Time Buy status, indicating limited future availability. This part is suitable for legacy system maintenance but not recommended for new production commitments.

Packaging Compatibility: The DM74ALS00ASJX uses 14-SOP (0.209", 5.30mm width) packaging. Substitute parts SN74ALS00AD and SN74ALS00ADR use 14-SOIC (0.154", 3.90mm width) packaging, while SN74ALS00ANSR uses 14-SOIC (0.209", 5.30mm width) packaging. PCB layout must accommodate the selected package footprint.

Compliance Status: All substitute parts meet REACH and ROHS3 requirements, ensuring regulatory compliance for current manufacturing standards.

Frequently Asked Questions (FAQ)

Q: Can SN74ALS00ADR directly replace DM74ALS00ASJX in existing designs?

A: Electrical replacement is direct due to identical functional and electrical specifications. Physical replacement requires PCB footprint compatibility. The DM74ALS00ASJX uses 14-SOP (5.30mm width) while SN74ALS00ADR uses 14-SOIC (3.90mm width). Verify PCB layout accommodates the alternate package before implementation.

Q: What is the difference between SN74ALS00AD and SN74ALS00ADR?

A: Both parts are electrically identical with matching functional specifications. The primary difference is packaging format: SN74ALS00AD is supplied in Tube packaging, while SN74ALS00ADR is supplied in Tape & Reel (TR) format. Product status differs, with SN74ALS00AD classified as Last Time Buy and SN74ALS00ADR as Active.

Q: Why is SN74ALS00ANSR recommended over other substitutes?

A: SN74ALS00ANSR is Active status with ROHS3 compliance and uses 14-SOIC (0.209", 5.30mm width) packaging, matching the original DM74ALS00ASJX package width. This alignment minimizes PCB redesign requirements while ensuring long-term availability.

Q: Are all substitute parts qualified for the same operating temperature range?

A: Yes. All listed substitute parts operate across the 0°C ~ 70°C temperature range, matching the original DM74ALS00ASJX specification.

Q: What certifications apply to substitute parts?

A: All Texas Instruments substitute parts (SN74ALS00AD, SN74ALS00ADR, SN74ALS00ANSR) comply with ROHS3 standards and are REACH Unaffected, meeting current regulatory requirements for electronic component manufacturing and distribution.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message