SN74ALS992DWRG4 Equivalent & Substitute Parts

Part Overview

The SN74ALS992DWRG4 is a D-Type Transparent Latch single channel IC with 9:9 circuit configuration and tri-state output, manufactured by Texas Instruments in the 74ALS logic series. This component is classified as obsolete, which necessitates identification of equivalent substitute parts for ongoing design support and procurement continuity. The part operates within a 4.5V to 5.5V supply voltage range and is housed in a 24-SOIC surface mount package.

Substiute Parts

SN74ALS992DWRG4

Texas InstrumentsIn Stock: 797SN74ALS992DWRG4 Datasheet

Current PartRFQ

SN74ALS992DW

Texas InstrumentsIn Stock: 1079SN74ALS992DW Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the SN74ALS992DWRG4 are identified based on strict equivalence across the following critical parameters:

• Logic Type: D-Type Transparent Latch
• Circuit Configuration: 9:9
• Output Type: Tri-State
• Voltage - Supply: 4.5V ~ 5.5V
• Independent Circuits: 1
• Delay Time - Propagation: 6ns
• Current - Output High, Low: 400µA, 8mA
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 24-SOIC (0.295", 7.50mm Width)
• Mounting Type: Surface Mount

The SN74ALS992DW meets all electrical and mechanical specifications required for direct substitution. The primary distinction is product status and packaging format, with the substitute part classified as active and available in tube packaging.

Parameter Comparison

Engineering Selection Recommendations

The SN74ALS992DW is the direct equivalent substitute for the SN74ALS992DWRG4. Both parts maintain identical electrical specifications, thermal operating range, and mechanical package dimensions. The substitute part carries active product status, ensuring continued availability and supply chain support. Both components satisfy ROHS3 compliance and REACH regulatory requirements, with equivalent moisture sensitivity classification. Selection of the SN74ALS992DW eliminates obsolescence risk while maintaining full functional and physical compatibility with existing designs.

Frequently Asked Questions (FAQ)

Q: Can the SN74ALS992DW be used as a direct replacement for the SN74ALS992DWRG4?

A: Yes. The SN74ALS992DW is electrically and mechanically equivalent. All critical parameters including logic type, circuit configuration, output characteristics, voltage supply range, propagation delay, output current ratings, operating temperature, and 24-SOIC package dimensions are identical.

Q: What is the primary difference between these two parts?

A: The SN74ALS992DWRG4 is classified as obsolete, while the SN74ALS992DW maintains active product status. The substitute part is supplied in tube packaging format rather than the original packaging specification.

Q: Are there any compliance or regulatory differences?

A: No. Both parts are ROHS3 compliant, REACH unaffected, and carry identical moisture sensitivity level (MSL 1 - Unlimited) classifications.

Q: Will the SN74ALS992DW function identically in my circuit?

A: Yes. Identical supply voltage requirements (4.5V ~ 5.5V), propagation delay (6ns), output current specifications (400µA high, 8mA low), and operating temperature range (0°C ~ 70°C) ensure functional equivalence in all applications designed for the original part.

Q: Are there any PCB layout or assembly considerations when switching to the substitute part?

A: No. Both parts use the identical 24-SOIC surface mount package with 0.295" (7.50mm) width, requiring no modifications to PCB layout, footprint, or assembly processes.