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STMicroelectronics STM32F334R8T7TR — Microcontrollers & Processors (MCU / MPU / DSP)

STM32F334R8T7TR STM32F3 MCU, ARM Cortex-M4, 72 MHz

MPNSTM32F334R8T7TR
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STMicroelectronics STM32F3 series, STM32F334R8T7TR, ARM Cortex-M4, 32-Bit Single-Core, 72MHz, 64KB (64K x 8) FLASH, 12K x 8 RAM, CANbus, I²C, IrDA, LINbus, SPI, UART/USART, DMA, POR, PWM, WDT, A/D 21x12b; D/A 3x12b, Internal, -40°C ~ 105°C (TA), 2V ~ 3.6V, 64-LQFP (10x10), Surface Mount, Tape & Reel.

$4.6198Ref. price · indicative, final on quote
STMicroelectronics STM32F334R8T7TR datasheet (PDF)
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

STM32F334R8T7TR specifications
ParameterValue
SeriesSTM32F3
MountingSurface Mount
Oscillator typeInternal
Program memory typeFLASH
Voltage - supply (Vcc (Vdd))2V ~ 3.6V
Operating temperature-40°C~105°C(TA)
Speed72MHz
PackageTape & Reel (TR)
RAM size12K x 8
Core size32-Bit Single-Core
PeripheralsDMA, POR, PWM, WDT
ConnectivityCANbus, I²C, IrDA, LINbus, SPI, UART/USART
Number of i (O)51
Core processorARM® Cortex®-M4
Case64-LQFP
Data convertersA/D 21x12b; D/A 3x12b
Program memory size64KB (64K x 8)

Product details

72 MHz Cortex-M4 with FPU for real-time control

The STMicroelectronics STM32F334R8T7TR is a 32-bit microcontroller built around the ARM Cortex-M4 core with single-precision FPU, clocked at 72 MHz. The part is intended for digital power control, motor drives, and industrial automation where the combination of a floating-point unit, high-resolution timers, and rich analog peripherals (21-channel 12-bit ADC, three 12-bit DACs) is needed.

Memory and peripheral budget for BOM sizing

The 51 GPIOs in the 64-pin LQFP package leave room for parallel sensor interfaces, keypad matrices, or external memory-mapped peripherals without a port expander. The CAN 2.0B interface supports J1939 or CANopen stacks for vehicle or factory-floor networking, while the three UART/USART modules handle RS-232, RS-485, or LIN bus links.

Frequently asked questions

What is the difference between STM32F334R8T7TR and STM32F334R8T6?

The two parts share the same die, Flash density, RAM size, and package (64-LQFP). The difference is the shipping medium: the T7TR suffix denotes Tape & Reel packaging, while the T6 suffix typically indicates a tray or tube format. Electrically and functionally they are identical. For high-volume assembly lines that feed from reels, the T7TR variant is the correct BOM line.

Can STM32F334R8T7TR be replaced by STM32F334R8T6?

Yes, the two are functionally identical — same core, memory map, peripherals, and package. The only difference is the shipping medium. If your assembly line accepts tray or tube parts, the T6 variant is a drop-in substitute. For reel-fed lines, stick with the T7TR.

Is STM32F334R8T7TR RoHS compliant?

The evidence does not explicitly list a RoHS compliance status. However, as a current-production STMicroelectronics part in a 64-LQFP package, it is standard industry practice for such devices to be RoHS-compliant and lead-free. Confirm with the manufacturer's latest datasheet or the product change notification (PCN) database for the specific date code.