SN74LS623DWR Equivalent & Substitute Parts

Part Overview

The SN74LS623DWR is a non-inverting transceiver IC manufactured by Texas Instruments, designed for 8-bit data transmission with 3-state output capability. This component operates within the 4.75V to 5.25V supply voltage range and is housed in a 20-SOIC surface mount package.

The SN74LS623DWR carries an Obsolete product status. Identifying equivalent substitute parts is necessary to maintain design continuity and ensure component availability for production, maintenance, and legacy system support.

Substiute Parts

SN74LS623DWR

Texas InstrumentsIn Stock: 921SN74LS623DWR Datasheet

Current PartRFQ

SN74LS245DWR

Texas InstrumentsIn Stock: 2510SN74LS245DWR Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the SN74LS623DWR are identified based on strict parametric equivalence across the following critical criteria:

Logic Type: Transceiver, Non-Inverting configuration Number of Elements: 1 Number of Bits per Element: 8 Output Type: 3-State Current Ratings: 15mA (High), 24mA (Low) Voltage Supply Range: 4.75V ~ 5.25V Operating Temperature Range: 0°C ~ 70°C Package / Case: 20-SOIC (0.295", 7.50mm Width) Mounting Type: Surface Mount RoHS and Environmental Compliance: ROHS3 Compliant, MSL 1

The SN74LS245DWR meets all specified parametric requirements and is classified as a parametric equivalent.

Parameter Comparison

Engineering Selection Recommendations

The SN74LS245DWR is a direct parametric equivalent to the SN74LS623DWR. Both components share identical electrical specifications, package geometry, and environmental compliance certifications.

The primary distinction is product status: the SN74LS623DWR is classified as Obsolete, while the SN74LS245DWR maintains Active status. This status difference indicates ongoing manufacturer support, availability, and supply chain continuity for the SN74LS245DWR.

For applications currently using the SN74LS623DWR, the SN74LS245DWR provides equivalent functional performance with the advantage of sustained component availability and manufacturer support.

Frequently Asked Questions (FAQ)

Q: Are the SN74LS623DWR and SN74LS245DWR pin-compatible?

A: Both components are housed in the 20-SOIC package with identical physical dimensions (0.295", 7.50mm Width). Pin compatibility is determined by circuit design requirements and signal routing. Consult the respective device datasheets for pinout verification.

Q: What is the significance of the Obsolete product status for the SN74LS623DWR?

A: Obsolete status indicates that the manufacturer has discontinued active production and support. This affects long-term availability and supply chain reliability. The Active status of the SN74LS245DWR ensures ongoing availability and manufacturer technical support.

Q: Can the SN74LS245DWR be used as a direct replacement in existing designs?

A: The SN74LS245DWR meets all parametric specifications of the SN74LS623DWR. Functional equivalence is established through matching logic type, bit configuration, output characteristics, voltage supply range, and operating temperature specifications. Design validation should confirm application-specific requirements.

Q: Are there any compliance or environmental differences between these parts?

A: Both components are ROHS3 Compliant with Moisture Sensitivity Level 1 (Unlimited). Environmental and regulatory compliance characteristics are equivalent.

Q: What packaging options are available for the SN74LS245DWR?

A: The SN74LS245DWR is available in Cut Tape (CT) and Digi-Reel® packaging formats, both in the 20-SOIC surface mount configuration.