MSP430F110IDWR Equivalent & Substitute Parts

Part Overview

The MSP430F110IDWR is a 16-bit microcontroller from Texas Instruments' MSP430x1xx series, featuring 1KB FLASH program memory, 128 bytes of RAM, and 14 I/O pins in a 20-SOIC package. The device operates at 8MHz with an internal oscillator and supports a supply voltage range of 1.8V to 3.6V. This part is classified as obsolete, making identification of compatible substitutes essential for ongoing design support and production continuity.

Substiute Parts

MSP430F110IDWR

Texas InstrumentsIn Stock: 958MSP430F110IDWR Datasheet

Current PartRFQ

MSP430F1101AIDWR

Texas InstrumentsIn Stock: 17427MSP430F1101AIDWR Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MSP430F110IDWR is determined by strict equivalence across the following critical parameters:

• Core Architecture: MSP430 CPU16 16-bit processor
• Package Type: 20-SOIC form factor with identical pin count (14 I/O)
• Operating Specifications: 8MHz speed, 1.8V–3.6V supply voltage range, -40°C to 85°C temperature range
• Memory Configuration: 1KB FLASH program memory and 128 x 8 RAM
• Compliance: ROHS3 compliance and EAR99 export classification

The MSP430F1101AIDWR qualifies as a direct substitute based on matching core processor architecture, identical package specifications, equivalent memory capacity, and compatible operating parameters. Both devices belong to the MSP430x1xx series and maintain electrical and mechanical compatibility.

Parameter Comparison

Engineering Selection Recommendations

The MSP430F1101AIDWR is the qualified substitute for the obsolete MSP430F110IDWR. Selection is based on the following engineering criteria:

Product Status: The MSP430F1101AIDWR maintains active product status with verified programmability through DiGi-Electronics, ensuring continued availability and manufacturing support. The original MSP430F110IDWR is obsolete and no longer in production.

Compliance and Certification: Both devices maintain ROHS3 compliance, REACH unaffected status, and EAR99 export classification, ensuring regulatory equivalence for applications requiring these certifications.

Electrical and Mechanical Compatibility: Identical core processor architecture, package form factor, pin count, supply voltage range, and operating temperature specifications ensure direct functional replacement without circuit redesign.

Memory Configuration: The MSP430F1101AIDWR provides 256 bytes of additional FLASH overhead compared to the original 128 bytes, representing a functional enhancement that does not compromise backward compatibility.

Availability: The MSP430F1101AIDWR is available in high volume (17,400 pieces in stock) in standard packaging formats (Cut Tape and Digi-Reel), supporting both prototype and production requirements.

Frequently Asked Questions (FAQ)

Q: Can the MSP430F1101AIDWR be used as a direct replacement for the MSP430F110IDWR?

A: Yes. Both devices share identical core processor architecture, package specifications, pin configuration, and operating parameters. The MSP430F1101AIDWR is electrically and mechanically compatible with the MSP430F110IDWR and requires no circuit modifications.

Q: What is the difference in FLASH memory between these devices?

A: The MSP430F110IDWR provides 1KB FLASH with 128 bytes overhead, while the MSP430F1101AIDWR provides 1KB FLASH with 256 bytes overhead. This additional overhead in the substitute part does not affect compatibility and may provide additional program storage capacity.

Q: Are both devices available in the same package?

A: Yes. Both the MSP430F110IDWR and MSP430F1101AIDWR are supplied in 20-SOIC packages with identical physical dimensions (0.295" × 7.50mm width) and pin assignments.

Q: What is the product status difference, and why does it matter?

A: The MSP430F110IDWR is classified as obsolete and is no longer manufactured. The MSP430F1101AIDWR is an active product with verified programmability and high inventory availability, ensuring long-term supply chain reliability for new designs and production continuity.

Q: Do both devices meet the same compliance standards?

A: Yes. Both devices are ROHS3 compliant, REACH unaffected, and classified as EAR99 for export purposes, maintaining equivalent regulatory status for industrial and commercial applications.

Q: What packaging options are available for the substitute part?

A: The MSP430F1101AIDWR is available in Cut Tape (CT) and Digi-Reel packaging formats, supporting both small-quantity prototype builds and high-volume production orders.