TMX320DM355ZCE270 Equivalent & Substitute Parts

Part Overview

The TMX320DM355ZCE270 is a Digital Media System-on-Chip (DMSoC) from Texas Instruments' TMS320DM3x DaVinci™ series, designed for embedded multimedia processing applications. This device integrates a 270MHz processor with comprehensive multimedia interfaces including ASP, I2C, SPI, UART, and USB connectivity.

The original TMX320DM355ZCE270 has reached obsolete product status, necessitating identification of functionally equivalent alternatives for ongoing system support and new designs. The substitute part maintains identical core specifications while offering improved availability and current product lifecycle status.

Substiute Parts

TMX320DM355ZCE270

Texas InstrumentsIn Stock: 1322TMX320DM355ZCE270 Datasheet

Current PartRFQ

TMS320DM355ZCE270

Texas InstrumentsIn Stock: 4022TMS320DM355ZCE270 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TMX320DM355ZCE270 is determined by strict equivalence across the following critical parameters:

• Processor Architecture & Performance: Identical 270MHz clock rate and DaVinci™ series classification
• Memory Configuration: Matching ROM (8kB) and on-chip RAM (56kB) specifications
• Interface Compatibility: Identical interface set (ASP, I2C, SPI, UART, USB)
• Electrical Specifications: Matching core voltage (1.30V) and I/O voltage levels (1.8V, 3.3V)
• Package & Form Factor: Identical 337-LFBGA (13x13) package specification
• Environmental & Compliance: Matching operating temperature range and regulatory compliance (ROHS3, REACH Unaffected)

The substitute part TMS320DM355ZCE270 meets all these criteria while offering active product status and improved inventory availability.

Parameter Comparison

Engineering Selection Recommendations

The TMS320DM355ZCE270 serves as a direct functional equivalent to the obsolete TMX320DM355ZCE270. Selection of the substitute part is justified on the following engineering grounds:

Product Lifecycle Status: The substitute part maintains active product status with Texas Instruments, ensuring continued technical support, documentation availability, and long-term supply chain reliability compared to the obsolete original part.

Regulatory Compliance: Both parts maintain identical ROHS3 compliance and REACH Unaffected status, satisfying environmental and regulatory requirements for equivalent deployment in existing and new applications.

Functional Equivalence: Complete parameter alignment across processor performance, memory architecture, interface specifications, electrical characteristics, and package form factor ensures drop-in compatibility without design modification.

Supply Chain Continuity: The substitute part demonstrates significantly improved inventory availability (3936 units versus 1250 units), supporting both immediate procurement needs and long-term production requirements.

Frequently Asked Questions (FAQ)

Q: Can the TMS320DM355ZCE270 be used as a direct replacement for the TMX320DM355ZCE270?

A: Yes. The substitute part is functionally equivalent across all critical parameters including processor clock rate, memory configuration, interface specifications, electrical requirements, and package specification. No design modifications are required for substitution.

Q: Are there any differences in compliance or regulatory status between these parts?

A: No. Both parts maintain identical ROHS3 compliance and REACH Unaffected status. Regulatory requirements are satisfied equally by either part.

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

A: The original part is classified as obsolete, indicating discontinued production and limited long-term support from the manufacturer. The substitute part maintains active status, ensuring ongoing availability of technical documentation, design support, and supply chain continuity.

Q: Are the package specifications identical?

A: Yes. Both parts use the 337-LFBGA (13x13) surface mount package. PCB layout, footprint, and assembly processes remain unchanged.

Q: Is the operating temperature range the same?

A: Yes. Both parts operate across the identical 0°C to 85°C temperature range, supporting equivalent thermal design requirements.

Q: What are the key parameters that determine substitution eligibility?

A: Substitution is determined by equivalence in clock rate (270MHz), memory configuration (8kB ROM, 56kB RAM), interface set (ASP, I2C, SPI, UART, USB), core voltage (1.30V), I/O voltage levels (1.8V, 3.3V), and package specification (337-LFBGA 13x13).