SM662PBD-BDST Equivalent & Substitute Parts

Part Overview

The SM662PBD-BDST is a 1Tbit NAND Flash eMMC memory integrated circuit manufactured by Silicon Motion, Inc. This device is a TLC (Triple-Level Cell) FLASH memory component housed in a 100-BGA (14x18mm) package, designed for non-volatile storage applications requiring high-density memory capacity. The part is classified as Obsolete, necessitating identification of functionally equivalent alternatives for ongoing design support and procurement continuity.

Substiute Parts

SM662PBD-BDST

Silicon Motion, Inc.In Stock: 739SM662PBD-BDST Datasheet

Current PartRFQ

SM662PBD-BEST

Silicon Motion, Inc.In Stock: 828SM662PBD-BEST Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SM662PBD-BDST is determined by strict equivalence across the following critical parameters:

Memory Capacity & Organization: The substitute must provide identical 1Tbit capacity with 128G x 8 organization to ensure data storage compatibility and system integration without firmware modification.

Interface Standard: The eMMC interface specification is mandatory for electrical and protocol compatibility with host controllers and system architecture.

Package Specification: The 100-LBGA (14x18mm) package ensures mechanical fit, PCB layout compatibility, and thermal characteristics remain unchanged.

Technology Node: TLC NAND Flash technology must be maintained to preserve performance characteristics and reliability profiles.

Operating Temperature Range: The -40°C ~ 105°C specification defines the thermal operating envelope and must be matched for system reliability across all deployment conditions.

Compliance Standards: RoHS3 compliance and MSL 3 rating must be maintained to satisfy regulatory requirements and manufacturing process compatibility.

The SM662PBD-BEST meets all these criteria as a direct functional equivalent, with the primary distinction being product status (Active vs. Obsolete) and packaging format (Tray vs. unspecified).

Parameter Comparison

Engineering Selection Recommendations

SM662PBD-BEST is the direct equivalent substitute for SM662PBD-BDST. Selection of this alternative is based on the following engineering criteria:

Functional Equivalence: All electrical, memory, and interface specifications are identical. The device operates within the same temperature range and maintains identical memory capacity, organization, and eMMC protocol compliance.

Product Status Advantage: The substitute part carries Active product status, ensuring continued manufacturing availability, supply chain stability, and long-term support from Silicon Motion, Inc. The main part's Obsolete status creates procurement risk and potential supply discontinuation.

Compliance Continuity: Both parts maintain identical RoHS3 compliance, ECCN classification, and HTSUS coding, ensuring regulatory and export control requirements remain satisfied without modification.

Packaging Compatibility: The 100-BGA (14x18mm) package specification is identical, confirming direct PCB layout and assembly process compatibility. The Tray packaging format of the substitute is a standard commercial packaging option that does not affect electrical or mechanical performance.

Moisture Sensitivity Alignment: MSL 3 (168 Hours) rating is maintained, preserving manufacturing process requirements and storage condition specifications.

Frequently Asked Questions (FAQ)

Q: Can SM662PBD-BEST be used as a direct replacement for SM662PBD-BDST in existing designs?

A: Yes. The SM662PBD-BEST is a direct functional equivalent. All electrical specifications, memory capacity, interface protocol, package dimensions, and operating parameters are identical. No design modifications are required.

Q: What is the significance of the Obsolete status for SM662PBD-BDST?

A: Obsolete status indicates the part is no longer in active production. This creates supply risk and potential unavailability for future procurement. The Active status of SM662PBD-BEST ensures continued manufacturing and supply chain access.

Q: Are the package dimensions identical between these two parts?

A: Yes. Both parts use the 100-BGA (14x18mm) package specification. PCB footprints, solder pad layouts, and mechanical mounting requirements are identical.

Q: Does the Tray packaging of SM662PBD-BEST affect performance or reliability?

A: No. Packaging format (Tray vs. other formats) is a commercial logistics specification and does not affect electrical performance, reliability, or functional characteristics of the memory device.

Q: Are both parts RoHS3 compliant?

A: Yes. Both SM662PBD-BDST and SM662PBD-BEST carry ROHS3 Compliant status, satisfying environmental and regulatory requirements identically.

Q: What is the operating temperature range for both parts?

A: Both parts operate across -40°C to 105°C. This identical temperature specification ensures equivalent thermal performance and reliability across all deployment environments.

Q: Is the eMMC interface protocol identical between these parts?

A: Yes. Both parts implement the eMMC interface standard identically. Host controller compatibility and protocol communication are equivalent.

Q: What is the moisture sensitivity requirement for handling these parts?

A: Both parts carry MSL 3 (168 Hours) rating. This specifies the maximum time the component can be exposed to ambient conditions (30°C, 60% relative humidity) before requiring baking prior to reflow soldering.