MSP430FR5947 16 MHz Ultra-Low-Power Microcontroller featuring 32 KB FRAM, 1 KB SRAM, 33 IO 38-TSSOP -40 to 85
Texas Instruments
Texas Instruments - MSP430FR5947IRHAR
$1.78 - $2.95
Texas Instruments - MSP430FR5947IDAR
$1.68 - $2.78
Texas Instruments - MSP430FR5947IRHAT
$2.03 - $5.45