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TSSOP-20 Microcontrollers - MCU

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	Mounting Style	Package/Case	Core	Program Memory Size	Data Bus Width	ADC Resolution	Maximum Clock Frequency	Number of I/Os	Data RAM Size	Supply Voltage - Min	Supply Voltage - Max	Minimum Operating Temperature	Maximum Operating Temperature	Packaging
8-bit Microcontrollers - MCU 16KB Flash ROM, 1KB SRAM, 1 CHs of SPI,1T/8051 ML51FB9AE Nuvoton 1: $0.99 555In Stock	Mfr. Part No. ML51FB9AE Mouser Part No 503-ML51FB9AE	Nuvoton	8-bit Microcontrollers - MCU 16KB Flash ROM, 1KB SRAM, 1 CHs of SPI,1T/8051 Learn More about Nuvoton ml51 numicro mcus	Datasheet	555In Stock	$0.99 $0.847 $0.721 $0.68 View $0.618 $0.604 $0.583 $0.576	Min.: 1 Mult.: 1	SMD/SMT	TSSOP-20	8051	16 kB	8 bit	12 bit	24 MHz	16 I/O	1 kB	1.8 V	5.5 V	- 40 C	+ 105 C	Tube
8-bit Microcontrollers - MCU 16K Bytes Shared with LDROM MS51FB9AE Nuvoton 1: $1.40 85In Stock 5,106On Order	Mfr. Part No. MS51FB9AE Mouser Part No 503-MS51FB9AE	Nuvoton	8-bit Microcontrollers - MCU 16K Bytes Shared with LDROM Learn More about Nuvoton ms51 industrial mcus	Datasheet	85In Stock 5,106On Order On Order Ship Dates Mfr. No: MS51FB9AE Stock: 85 Can Dispatch Immediately On Order: 1,480 Expected 2026/11/19 1,036 Expected 2026/11/30 2,590 Expected 2026/12/01 Factory Lead Time: 40 Weeks	Cut Tape $1.40 $0.939 $0.792 Reel $0.792 $0.648 View $0.594 $0.516 $0.484 $0.406	Min.: 1 Mult.: 1 : 74	SMD/SMT	TSSOP-20	8051	16 kB	8 bit	12 bit	24 MHz	18 I/O	1 kB	2.4 V	5.5 V	- 40 C	+ 105 C	Reel, Cut Tape
8-bit Microcontrollers - MCU 32K Bytes Shared with LDROM MS51FC0AE Nuvoton 1: $0.861 744In Stock	Mfr. Part No. MS51FC0AE Mouser Part No 503-MS51FC0AE	Nuvoton	8-bit Microcontrollers - MCU 32K Bytes Shared with LDROM Learn More about Nuvoton ms51 industrial mcus	Datasheet	744In Stock	$0.861 $0.737 $0.627 $0.592 View $0.537 $0.523 $0.491 $0.48	Min.: 1 Mult.: 1	SMD/SMT	TSSOP-20	8051	32 kB	8 bit	12 bit	24 MHz	18 I/O	2 kB	2.4 V	5.5 V	- 40 C	+ 105 C	Tube
8-bit Microcontrollers - MCU Low Pin Count 8051 Series; 2.4V to 5.5V; -40 to 85 N76E003AT20 Nuvoton 1: $0.83 413In Stock 888Expected 2026/10/09	Mfr. Part No. N76E003AT20 Mouser Part No 503-N76E003AT20	Nuvoton	8-bit Microcontrollers - MCU Low Pin Count 8051 Series; 2.4V to 5.5V; -40 to 85	Datasheet	413In Stock 888Expected 2026/10/09	$0.83 $0.711 $0.606 $0.571 View $0.518 $0.505 $0.486 $0.481	Min.: 1 Mult.: 1	SMD/SMT	TSSOP-20	8051	18 kB	8 bit	12 bit	16 MHz	18 I/O	256 B	2.4 V	5.5 V	- 40 C	+ 105 C	Tube
ARM Microcontrollers - MCU Arm Cortex-M0+ MCU with 16 Kbytes of Flash memory, 6 Kbytes RAM, 48 MHz STM32C011F6P3 STMicroelectronics 1: $1.49 9In Stock 1,480Expected 2026/09/28	Mfr. Part No. STM32C011F6P3 Mouser Part No 511-STM32C011F6P3	STMicroelectronics	ARM Microcontrollers - MCU Arm Cortex-M0+ MCU with 16 Kbytes of Flash memory, 6 Kbytes RAM, 48 MHz Learn More about STMicroelectronics stm stm32c0x mcus	Datasheet	9In Stock 1,480Expected 2026/09/28	$1.49 $1.08 $0.906 $0.789	Min.: 1 Mult.: 1 Max.: 150	SMD/SMT	TSSOP-20												Tube
ARM Microcontrollers - MCU Value-Line ARM MCU 16kB 48 MHz STM32F030F4P6 STMicroelectronics 1: $2.17 428In Stock 2,960Expected 2026/09/28	Mfr. Part No. STM32F030F4P6 Mouser Part No 511-STM32F030F4P6	STMicroelectronics	ARM Microcontrollers - MCU Value-Line ARM MCU 16kB 48 MHz Learn More about STMicroelectronics stm32f0	Datasheet	428In Stock 2,960Expected 2026/09/28	$2.17 $1.59 $1.33 $1.26 View $1.17 $1.16	Min.: 1 Mult.: 1	SMD/SMT	TSSOP-20	ARM Cortex M0	16 kB	32 bit	12 bit	48 MHz	15 I/O	4 kB	2.4 V	3.6 V	- 40 C	+ 85 C	Tube
ARM Microcontrollers - MCU Entry Level ARM M0 16 Kbytes 48 MHz STM32F031F6P6 STMicroelectronics 1: $3.88 15In Stock	Mfr. Part No. STM32F031F6P6 Mouser Part No 511-STM32F031F6P6	STMicroelectronics	ARM Microcontrollers - MCU Entry Level ARM M0 16 Kbytes 48 MHz Learn More about STMicroelectronics stm32f0	Datasheet	15In Stock	$3.88 $2.57 $2.34 $1.99 View $1.90 $1.70	Min.: 1 Mult.: 1	SMD/SMT	TSSOP-20	ARM Cortex M0	32 kB	32 bit	12 bit	48 MHz	15 I/O	4 kB	2 V	3.6 V	- 40 C	+ 85 C	Tube
ARM Microcontrollers - MCU Mainstream Value-Line Arm Cortex-M0+ MCU 32 Kbytes Flash 8 Kbytes RAM 64 MHz CPU STM32G030F6P6TR STMicroelectronics 1: $1.85 224In Stock 175,000On Order	Mfr. Part No. STM32G030F6P6TR Mouser Part No 511-STM32G030F6P6TR	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Value-Line Arm Cortex-M0+ MCU 32 Kbytes Flash 8 Kbytes RAM 64 MHz CPU Learn More about STMicroelectronics stm stm32g0 microcontrollers	Datasheet	224In Stock 175,000On Order	Cut Tape $1.85 $1.26 $1.10 $0.955 View Reel $0.725 $0.885 $0.806 $0.766 $0.725 MouseReel Available	Min.: 1 Mult.: 1 Max.: 2,500 : 2,500	SMD/SMT	TSSOP-20	ARM Cortex M0+	32 kB	32 bit	12 bit	64 MHz	17 I/O	8 kB	2 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ MCU 16 Kbytes of Flash 8 Kbytes RAM, 64 MHz CPU, 2x US STM32G031F4P3 STMicroelectronics 1: $2.61 939In Stock	Mfr. Part No. STM32G031F4P3 Mouser Part No 511-STM32G031F4P3	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ MCU 16 Kbytes of Flash 8 Kbytes RAM, 64 MHz CPU, 2x US Learn More about STMicroelectronics stm stm32g0 microcontrollers	Datasheet	939In Stock	$2.61 $1.92 $1.64 $1.48 $1.40	Min.: 1 Mult.: 1 Max.: 250	SMD/SMT	TSSOP-20	ARM Cortex M0+	16 kB	32 bit	12 bit	64 MHz	18 I/O	8 kB	1.7 V	3.6 V	- 40 C	+ 125 C	Tube
ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ MCU 64 Kbytes of Flash 8 Kbytes RAM, 64 MHz CPU, 2x US STM32G031F8P6TR STMicroelectronics 1: $2.70 86In Stock 5,000On Order	Mfr. Part No. STM32G031F8P6TR Mouser Part No 511-STM32G031F8P6TR	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ MCU 64 Kbytes of Flash 8 Kbytes RAM, 64 MHz CPU, 2x US Learn More about STMicroelectronics stm stm32g0 microcontrollers	Datasheet	86In Stock 5,000On Order	Cut Tape $2.70 $1.85 $1.65 $1.48 View Reel $1.19 $1.43 $1.24 $1.19 $1.19 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,000 : 2,500	SMD/SMT	TSSOP-20	ARM Cortex M0+	64 kB	32 bit	12 bit	64 MHz	44 I/O	8 kB	1.71 V	3.6 V	- 40 C	+ 105 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Ultra-low-power value line Arm Cortex-M0+ MCU 16-Kbytes of of Flash & 32 MHz CPU STM32L010F4P6TR STMicroelectronics 1: $2.00 212In Stock 12,500On Order	Mfr. Part No. STM32L010F4P6TR Mouser Part No 511-STM32L010F4P6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power value line Arm Cortex-M0+ MCU 16-Kbytes of of Flash & 32 MHz CPU Learn More about STMicroelectronics stm32l0	Datasheet	212In Stock 12,500On Order	Cut Tape $2.00 $1.34 $1.17 $1.02 View Reel $0.808 $0.937 $0.869 $0.826 $0.808 MouseReel Available	Min.: 1 Mult.: 1 : 2,500		TSSOP-20												Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Ultra-low-power ARM Cortex-M0+ MCU 8-Kbytes Flash, 32 MHz CPU STM32L011F3P6TR STMicroelectronics 1: $2.05 195In Stock 12,500On Order	Mfr. Part No. STM32L011F3P6TR Mouser Part No 511-STM32L011F3P6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power ARM Cortex-M0+ MCU 8-Kbytes Flash, 32 MHz CPU Learn More about STMicroelectronics stm32l0	Datasheet	195In Stock 12,500On Order	Cut Tape $2.05 $1.38 $1.21 $1.06 View Reel $0.83 $1.02 $0.902 $0.87 $0.83 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	TSSOP-20	ARM Cortex M0+	8 kB	32 bit	12 bit	32 MHz	16 I/O	2 kB	1.8 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 16-Kbytes Flash, 32 MHz CPU STM32L011F4P6TR STMicroelectronics 1: $2.13 181In Stock 52,500On Order	Mfr. Part No. STM32L011F4P6TR Mouser Part No 511-STM32L011F4P6TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 16-Kbytes Flash, 32 MHz CPU Learn More about STMicroelectronics stm32l0	Datasheet	181In Stock 52,500On Order	Cut Tape $2.13 $1.47 $1.28 $1.12 View Reel $0.891 $1.09 $0.955 $0.926 $0.891 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	TSSOP-20	ARM Cortex M0+	16 kB	32 bit	12 bit	32 MHz	16 I/O	2 kB	1.8 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 32-Kbytes of Flash , 32 MHz CPU STM32L031F6P6 STMicroelectronics 1: $2.65 636In Stock 10,360On Order	Mfr. Part No. STM32L031F6P6 Mouser Part No 511-STM32L031F6P6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 32-Kbytes of Flash , 32 MHz CPU Learn More about STMicroelectronics stm32l0	Datasheet	636In Stock 10,360On Order On Order Ship Dates Mfr. No: STM32L031F6P6 Stock: 636 Can Dispatch Immediately On Order: 4,440 Expected 2026/10/05 5,920 TBD Factory Lead Time: 40 Weeks	$2.65 $1.88 $1.59 $1.49 View $1.31 $1.16 $1.13 $1.12	Min.: 1 Mult.: 1	SMD/SMT	TSSOP-20	ARM Cortex M0+	32 kB	32 bit	12 bit	32 MHz	15 I/O	8 kB	1.8 V	3.6 V	- 40 C	+ 85 C	Tube
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 32-Kbytes of Flash , 32 MHz CPU STM32L031F6P7TR STMicroelectronics 1: $2.56 42In Stock 2,500On Order	Mfr. Part No. STM32L031F6P7TR Mouser Part No 511-STM32L031F6P7TR	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 32-Kbytes of Flash , 32 MHz CPU Learn More about STMicroelectronics stm32l0	Datasheet	42In Stock 2,500On Order	Cut Tape $2.56 $1.88 $1.60 $1.37 View Reel $1.08 $1.33 $1.17 $1.16 $1.08	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	TSSOP-20	ARM Cortex M0+	32 kB	32 bit	12 bit	32 MHz	15 I/O	8 kB	1.8 V	3.6 V	- 40 C	+ 105 C	Reel, Cut Tape
8-bit Microcontrollers - MCU 8-bit Ultralow MCU 20 pin 8kb Flash STM8L151F3P3 STMicroelectronics 1: $2.30 974In Stock	Mfr. Part No. STM8L151F3P3 Mouser Part No 511-STM8L151F3P3	STMicroelectronics	8-bit Microcontrollers - MCU 8-bit Ultralow MCU 20 pin 8kb Flash Learn More about STMicroelectronics stm8l	Datasheet	974In Stock	$2.30 $1.70 $1.42 $1.35 View $1.26 $1.24 $1.21 $1.19	Min.: 1 Mult.: 1	SMD/SMT	TSSOP-20	STM8	8 kB	8 bit	12 bit	16 MHz	18 I/O	1 kB	1.8 V	3.6 V	- 40 C	+ 125 C	Tube
8-bit Microcontrollers - MCU 8-bit Ultralow MCU 20 pin 8kb Flash STM8L151F3P6 STMicroelectronics 1: $2.04 1,258In Stock	Mfr. Part No. STM8L151F3P6 Mouser Part No 511-STM8L151F3P6	STMicroelectronics	8-bit Microcontrollers - MCU 8-bit Ultralow MCU 20 pin 8kb Flash Learn More about STMicroelectronics stm8l	Datasheet	1,258In Stock	$2.04 $1.50 $1.24 $1.17 View $1.10 $0.99 $0.984	Min.: 1 Mult.: 1	SMD/SMT	TSSOP-20	STM8	8 kB	8 bit	12 bit	16 MHz	18 I/O	1 kB	1.65 V	3.6 V	- 40 C	+ 85 C	Tube
8-bit Microcontrollers - MCU 8-Bit MCU Value Line 8kB Flash 16MHz EE STM8S003F3P6TR STMicroelectronics 1: $0.82 432In Stock 80,000On Order	Mfr. Part No. STM8S003F3P6TR Mouser Part No 511-STM8S003F3P6TR	STMicroelectronics	8-bit Microcontrollers - MCU 8-Bit MCU Value Line 8kB Flash 16MHz EE Learn More about STMicroelectronics stm8s mcus	Datasheet	432In Stock 80,000On Order	Cut Tape $0.82 $0.588 $0.50 $0.472 View Reel $0.383 $0.405 $0.404 $0.383 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	TSSOP-20	STM8	8 kB	8 bit	10 bit	16 MHz	16 I/O	1 kB	2.95 V	5.5 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU Access Line 16 MHz 8-bit MCU 32 Kbyt STM8S103F2P6 STMicroelectronics 1: $1.41 1,071In Stock	Mfr. Part No. STM8S103F2P6 Mouser Part No 511-STM8S103F2P6	STMicroelectronics	8-bit Microcontrollers - MCU Access Line 16 MHz 8-bit MCU 32 Kbyt Learn More about STMicroelectronics stm8s mcus	Datasheet	1,071In Stock	$1.41 $0.99 $0.841 $0.662 View $0.573 $0.504 $0.452 $0.451 $0.391	Min.: 1 Mult.: 1	SMD/SMT	TSSOP-20	STM8	4 kB	8 bit	10 bit	16 MHz	16 I/O	1 kB	2.95 V	5.5 V	- 40 C	+ 85 C	Tube
8-bit Microcontrollers - MCU Access line, 16 MHz STM8S 8-bit 8 Kbyte STM8S103F3P3TR STMicroelectronics 1: $2.86 52In Stock 2,500On Order	Mfr. Part No. STM8S103F3P3TR Mouser Part No 511-STM8S103F3P3TR	STMicroelectronics	8-bit Microcontrollers - MCU Access line, 16 MHz STM8S 8-bit 8 Kbyte Learn More about STMicroelectronics stm8s mcus	Datasheet	52In Stock 2,500On Order	Cut Tape $2.86 $2.09 $1.83 $1.56 View Reel $1.22 $1.50 $1.33 $1.31 $1.22 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	TSSOP-20	STM8	8 kB	8 bit	10 bit	16 MHz	16 I/O	1 kB	2.95 V	5.5 V	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU Access Line 16 MHz 8-bit MCU 32 Kbyt STM8S103F3P6 STMicroelectronics 1: $1.80 7In Stock 4,440On Order	Mfr. Part No. STM8S103F3P6 Mouser Part No 511-STM8S103F3P6	STMicroelectronics	8-bit Microcontrollers - MCU Access Line 16 MHz 8-bit MCU 32 Kbyt Learn More about STMicroelectronics stm8s mcus	Datasheet	7In Stock 4,440On Order	$1.80 $1.10 $0.921 $0.714 View $0.662 $0.579 $0.548 $0.476	Min.: 1 Mult.: 1	SMD/SMT	TSSOP-20	STM8	8 kB	8 bit	10 bit	16 MHz	16 I/O	1 kB	2.95 V	5.5 V	- 40 C	+ 85 C	Tube
16-bit Microcontrollers - MCU 1kB Flash 128B RAM C omparator A 595-430 A 595-430F1101AIPWR MSP430F1101AIPW Texas Instruments 1: $4.90 206In Stock	Mfr. Part No. MSP430F1101AIPW Mouser Part No 595-430F1101AIPW	Texas Instruments	16-bit Microcontrollers - MCU 1kB Flash 128B RAM C omparator A 595-430 A 595-430F1101AIPWR Learn More about Texas Instruments ti msp430 mcus	Datasheet	206In Stock	$4.90 $3.72 $3.17 $3.02 View $2.66 $2.65 $2.63 $2.56	Min.: 1 Mult.: 1	SMD/SMT	TSSOP-20	MSP430	1 kB	16 bit	No ADC	8 MHz	14 I/O	128 B	1.8 V	3.6 V	- 40 C	+ 85 C	Tube
16-bit Microcontrollers - MCU 4kB Flash 256B RAM C omparator A 595-430 A 595-430F1121AIPWR MSP430F1121AIPW Texas Instruments 1: $5.91 290In Stock	Mfr. Part No. MSP430F1121AIPW Mouser Part No 595-430F1121AIPW	Texas Instruments	16-bit Microcontrollers - MCU 4kB Flash 256B RAM C omparator A 595-430 A 595-430F1121AIPWR Learn More about Texas Instruments ti msp430 mcus	Datasheet	290In Stock	$5.91 $4.52 $3.88 $3.71 $3.47	Min.: 1 Mult.: 1	SMD/SMT	TSSOP-20	MSP430	4 kB	16 bit	No ADC	8 MHz	14 I/O	256 B	1.8 V	3.6 V	- 40 C	+ 85 C	Tube
16-bit Microcontrollers - MCU 16-bit Ult-Lo-Pwr 2k B Flash 128B RAM A A 595-MSP430F2111IPW MSP430F2111IPWR Texas Instruments 1: $3.48 25In Stock	Mfr. Part No. MSP430F2111IPWR Mouser Part No 595-MSP430F2111IPWR	Texas Instruments	16-bit Microcontrollers - MCU 16-bit Ult-Lo-Pwr 2k B Flash 128B RAM A A 595-MSP430F2111IPW Learn More about Texas Instruments ti msp430 mcus	Datasheet	25In Stock	Cut Tape $3.48 $2.59 $2.24 $1.78 Reel $1.52 View $1.62 $1.60 $1.50 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	SMD/SMT	TSSOP-20	MSP430	2 kB	16 bit	No ADC	16 MHz	16 I/O	128 B	1.8 V	3.6 V	- 40 C	+ 105 C	Reel, Cut Tape, MouseReel
16-bit Microcontrollers - MCU 16B Ultra-Lo-Pwr MCU 4kB FL 256B RAM Com A 595-MSP430F2121TPWR MSP430F2121TPW Texas Instruments 1: $3.33 280In Stock	Mfr. Part No. MSP430F2121TPW Mouser Part No 595-MSP430F2121TPW	Texas Instruments	16-bit Microcontrollers - MCU 16B Ultra-Lo-Pwr MCU 4kB FL 256B RAM Com A 595-MSP430F2121TPWR Learn More about Texas Instruments ti msp430 mcus	Datasheet	280In Stock	$3.33 $2.50 $2.11 $2.01 View $1.87 $1.81 $1.79 $1.76	Min.: 1 Mult.: 1	SMD/SMT	TSSOP-20	MSP430	4 kB	16 bit	No ADC	16 MHz	16 I/O	256 B	1.8 V	3.6 V	- 40 C	+ 105 C	Tube

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