TMS320F2808ZGMS Equivalent & Substitute Parts

Part Overview

The TMS320F2808ZGMS is a 32-bit single-core C28x fixed-point microcontroller from Texas Instruments, operating at 100MHz with 128KB FLASH program memory and 18K x 16 RAM. This device is classified as obsolete, which necessitates identification of active alternative components for new designs and production continuity. The part features automotive-grade qualification (AEC-Q100) and supports multiple connectivity protocols including CANbus, I2C, SCI, SPI, and UART/USART.

Substiute Parts

TMS320F2808ZGMS

Texas InstrumentsIn Stock: 2116TMS320F2808ZGMS Datasheet

Current PartRFQ

TMS320F2808NMFS

Texas InstrumentsIn Stock: 755TMS320F2808NMFS Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TMS320F2808ZGMS is determined by strict equivalence across the following critical parameters:

• Core processor architecture (C28x)
• Core configuration (32-bit single-core)
• Operating frequency (100MHz)
• Program memory capacity and type (128KB FLASH)
• RAM capacity (18K x 16)
• Supply voltage range (1.71V ~ 1.89V)
• Data converter specifications (A/D 16x12b)
• I/O count (35 pins)
• Connectivity protocols (CANbus, I2C, SCI, SPI, UART/USART)
• Peripheral set (POR, PWM, WDT)
• Operating temperature range (-40°C ~ 125°C)
• Package footprint (100-LFBGA)

The TMS320F2808NMFS qualifies as a direct substitute based on matching all electrical and functional parameters. The primary distinction is the product status transition from obsolete to active and a packaging variation (100-NFBGA vs. 100-LFBGA), which maintains electrical and mechanical compatibility.

Parameter Comparison

Engineering Selection Recommendations

The TMS320F2808NMFS is the qualified substitute for the obsolete TMS320F2808ZGMS. Selection of the substitute is justified on the following grounds:

• All electrical parameters match exactly, ensuring functional equivalence in circuit operation
• Both devices maintain automotive-grade qualification and AEC-Q100 compliance
• The substitute is in active production status, providing supply continuity and long-term availability
• RoHS3 compliance and environmental specifications are identical
• Package footprint compatibility (100-LFBGA) ensures PCB layout compatibility without redesign
• The substitute belongs to the C2000™ C28x Piccolo™ series, which represents the active product line continuation within the C28x architecture family

For new designs and production transitions, the TMS320F2808NMFS is the appropriate selection. Existing designs using the TMS320F2808ZGMS may transition to the substitute without modification to firmware or hardware interfaces.

Frequently Asked Questions (FAQ)

Q: Can the TMS320F2808NMFS directly replace the TMS320F2808ZGMS in existing designs?

A: Yes. The substitute matches all electrical specifications, operating parameters, and package footprint. No circuit modifications or firmware changes are required for direct substitution.

Q: What is the significance of the product status change from obsolete to active?

A: The obsolete status of the TMS320F2808ZGMS indicates end-of-life and discontinued production. The active status of the TMS320F2808NMFS ensures continued availability, technical support, and supply chain reliability for new production and design transitions.

Q: Are there differences in the series designation between these parts?

A: The TMS320F2808ZGMS belongs to the C2000™ C28x Fixed-Point series, while the TMS320F2808NMFS belongs to the C2000™ C28x Piccolo™ series. Both are C28x architecture variants with identical electrical and functional specifications for this model.

Q: What packaging variations exist between these parts?

A: Both parts use 100-pin BGA packages with identical footprints (10x10mm). The TMS320F2808ZGMS uses 100-LFBGA packaging, and the TMS320F2808NMFS uses 100-NFBGA packaging. Both are compatible with the same PCB layout and assembly processes.

Q: Are compliance certifications maintained in the substitute?

A: Yes. Both the TMS320F2808ZGMS and TMS320F2808NMFS maintain identical RoHS3 compliance, automotive-grade qualification, and AEC-Q100 certification. Environmental and regulatory specifications are equivalent.

Q: What is the supply voltage specification for these microcontrollers?

A: Both devices operate at 1.71V to 1.89V supply voltage. This specification must be maintained in power supply design for both the original and substitute parts.