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Texas Instruments MSP430FR5739IDAR — Microcontrollers & Processors (MCU / MPU / DSP)
Texas Instruments

TI MSP430FR5739IDAR 16-bit MCU, 24 MHz, 16 KB FRAM, 38-TSSOP

MPNMSP430FR5739IDAR
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Texas Instruments MSP430FR5739IDAR, 16-bit MSP430 CPUXV2 MCU, 24 MHz, 16 KB FRAM, 1K x 8 SRAM, 38-TSSOP, -40°C to 85°C, I²C/SPI/UART.

$4.4600Ref. price · indicative, final on quote
MSP430FR5739IDAR datasheet
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Specifications

MSP430FR5739IDAR Technical Specifications
ParameterValue
SeriesMSP430™ FRAM
Mounting typeSurface Mount
Oscillator typeInternal
Program memory typeFRAM
Voltage - supply (Vcc (Vdd))2V ~ 3.6V
Operating temperature-40°C~85°C(TA)
Speed24MHz
PackageTape & Reel (TR); Cut Tape (CT)
RAM size1K x 8
Core size16-Bit
PeripheralsBrown-out Detect/Reset, POR, PWM, WDT
ConnectivityI²C, IrDA, LINbus, SCI, SPI, UART/USART
Number of i (O)30
Core processorMSP430 CPUXV2
Case38-TSSOP (0.240\", 6.10mm Width)
Data convertersA/D 14x10b
Program memory size16KB (16K x 8)

Product details

FRAM-based MSP430: what the 16 KB unified memory means

The headline feature is its 16 KB FRAM program memory — a non-volatile memory that behaves like Flash for code storage but writes at SRAM-like speeds, with no erase-before-write penalty. This means you can treat the FRAM as both program store and data-logging space without worrying about wear-leveling or sector erase times. The part also carries 1K x 8 of SRAM for stack and variables.

Package and mounting — 38-TSSOP

Housed in a 38-pin TSSOP with 0.240" body width and 0.65 mm pitch, surface-mount only. The supplier device package is 38-TSSOP. No exposed pad — thermal dissipation is through the leads, so keep the copper pours generous if running the ADC or PWM at high duty cycles near the top of the temperature range.

Lifecycle and sourcing

This part is current-production and available through independent distribution.

Frequently asked questions

Is MSP430FR5739IDAR obsolete or end-of-life?

No — the manufacturer lists it as Active. No discontinuation or last-time-buy has been announced.

What is the closest pin-compatible alternative to MSP430FR5739IDAR?

Within the MSP430 FRAM family, the MSP430FR5739 is the base part number; the IDAR suffix indicates the 38-TSSOP package and tape-and-reel shipping. Other FRAM family members with the same 38-TSSOP footprint share the same pinout, but memory and peripheral mix vary — verify the specific memory and ADC requirements against the datasheet before substituting.

Does MSP430FR5739IDAR have a datasheet?

Yes, the full TI datasheet for the MSP430FR5739 series is available and covers all electrical characteristics, timing diagrams, and application notes.

Is MSP430FR5739IDAR lead-free?

The part is RoHS-compliant and lead-free per TI's standard environmental compliance for this family.