ATA6670-FFQW Equivalent & Substitute Parts

Part Overview

The ATA6670-FFQW is a 2/2 half-duplex LINbus transceiver IC manufactured by Microchip Technology, housed in a 14-VDFN (4.5x3) surface mount package with exposed pad. This component operates across a supply voltage range of 5V to 27V and features 500 mV receiver hysteresis for robust signal detection in automotive and industrial LINbus networks.

The ATA6670-FFQW carries an Obsolete product status. Locating equivalent or substitute components is necessary to support legacy system maintenance, design updates, and continued production of equipment utilizing this transceiver architecture.

Substiute Parts

ATA6670-FFQW

Microchip TechnologyIn Stock: 31814ATA6670-FFQW Datasheet

Current PartRFQ

ATA6670-FFQW-1

Microchip TechnologyIn Stock: 2918ATA6670-FFQW-1 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ATA6670-FFQW is determined by strict alignment of the following electrical and mechanical parameters:

• Protocol Compatibility: LINbus transceiver functionality
• Driver/Receiver Configuration: 2/2 channel architecture
• Duplex Mode: Half-duplex operation
• Receiver Hysteresis: 500 mV threshold
• Supply Voltage Range: 5V ~ 27V operation
• Package Specification: 14-VDFN Exposed Pad (4.5x3 footprint)
• Mounting Technology: Surface mount compatibility

The substitute part ATA6670-FFQW-1 maintains identical electrical specifications and mechanical packaging, with the distinction of Active product status and updated thermal operating range specification.

Parameter Comparison

Engineering Selection Recommendations

The ATA6670-FFQW-1 is a direct functional substitute for the obsolete ATA6670-FFQW. Both components share identical electrical specifications, channel configuration, and package footprint. The substitute part carries Active product status, ensuring continued availability and manufacturing support.

Both parts maintain ROHS3 compliance and REACH unaffected status, satisfying regulatory requirements for current production environments. The ATA6670-FFQW-1 specifies an operating temperature range of -40°C to 150°C, providing defined thermal performance parameters absent from the original part documentation.

Moisture sensitivity classification differs between the two parts: the original specifies MSL 2 (1 Year), while the substitute specifies MSL 3 (168 Hours). This distinction affects storage and handling protocols but does not impact functional compatibility in deployed applications.

Frequently Asked Questions (FAQ)

Q: Can the ATA6670-FFQW-1 replace the ATA6670-FFQW in existing designs?

A: Yes. Both components are LINbus 2/2 half-duplex transceivers with identical supply voltage ranges (5V ~ 27V), receiver hysteresis (500 mV), and 14-VDFN (4.5x3) package specifications. Electrical and mechanical compatibility is complete.

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

A: The original ATA6670-FFQW is Obsolete, indicating discontinued manufacturing and limited availability. The ATA6670-FFQW-1 is Active, ensuring ongoing production, supply chain support, and technical documentation availability.

Q: How do the moisture sensitivity levels affect component handling?

A: MSL 2 (1 Year) allows extended shelf storage under controlled conditions, while MSL 3 (168 Hours) requires more stringent moisture control and shorter storage windows. Storage and reflow procedures must align with the specific MSL classification of the component in use.

Q: Are both parts suitable for automotive LINbus applications?

A: Both components are designed for LINbus protocol implementation. Compliance certifications (ROHS3, REACH unaffected) are identical, supporting automotive and industrial applications within specified electrical and thermal parameters.

Q: Does the operating temperature specification affect substitution?

A: The ATA6670-FFQW-1 provides explicit operating temperature range (-40°C ~ 150°C). The original part does not specify this parameter. For applications requiring defined thermal performance, the substitute part offers documented temperature specifications. Functional substitution remains valid across both parts.