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PDIP-40 8-bit Microcontrollers - MCU

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (HKD) Filter the results in the table by unit price based on your quantity.	Qty.	Core	Program Memory Size	Data RAM Size	Package/Case	Maximum Clock Frequency	ADC Resolution	Number of I/Os	Supply Voltage - Min	Supply Voltage - Max	Mounting Style	Data Bus Width	Minimum Operating Temperature	Maximum Operating Temperature	Series	Packaging
8-bit Microcontrollers - MCU 7KB Flash, 512B RAM, 12b Differential ADCC, 1x OpAmp, Low-Power Analog PIC16F17544-I/P Microchip Technology 1: HK$13.40 471In Stock New Product	Mfr. Part No. PIC16F17544-I/P Mouser Part No 579-PIC16F17544-IP New Product	Microchip Technology	8-bit Microcontrollers - MCU 7KB Flash, 512B RAM, 12b Differential ADCC, 1x OpAmp, Low-Power Analog Learn More about Microchip Technology microchip pic16f175x mcus	Datasheet	471In Stock	HK$13.40 HK$12.25 HK$11.10	Min.: 1 Mult.: 1	RISC	7 kB	512 B	PDIP-40	32 MHz	12 bit	18 I/O	1.8 V	5.5 V	SMD/SMT	8 bit/16 bit	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 14KB Flash, 1KB RAM, 12b Differential ADCC, 1x OpAmp, Low-Power Analog PIC16F17545-I/P Microchip Technology 1: HK$15.21 433In Stock New Product	Mfr. Part No. PIC16F17545-I/P Mouser Part No 579-PIC16F17545-IP New Product	Microchip Technology	8-bit Microcontrollers - MCU 14KB Flash, 1KB RAM, 12b Differential ADCC, 1x OpAmp, Low-Power Analog Learn More about Microchip Technology microchip pic16f175x mcus	Datasheet	433In Stock	HK$15.21 HK$13.97 HK$12.66	Min.: 1 Mult.: 1	RISC	14 kB	1 kB	PDIP-40	32 MHz	12 bit	18 I/O	1.8 V	5.5 V	SMD/SMT	8 bit/16 bit	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 28KB Flash, 2KB RAM, 12b Differential ADCC, 1x OpAmp, Low-Power Analog PIC16F17546-I/P Microchip Technology 1: HK$17.18 374In Stock New Product	Mfr. Part No. PIC16F17546-I/P Mouser Part No 579-PIC16F17546-IP New Product	Microchip Technology	8-bit Microcontrollers - MCU 28KB Flash, 2KB RAM, 12b Differential ADCC, 1x OpAmp, Low-Power Analog Learn More about Microchip Technology microchip pic16f175x mcus	Datasheet	374In Stock	HK$17.18 HK$15.70 HK$14.22	Min.: 1 Mult.: 1	RISC	28 kB	2 kB	PDIP-40	32 MHz	12 bit	18 I/O	1.8 V	5.5 V	SMD/SMT	8 bit/16 bit	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 28KB Flash, 2KB RAM, 12b Differential ADCC, 4x OpAmp, Low-Power Analog PIC16F17576-I/P Microchip Technology 1: HK$25.56 225In Stock New Product	Mfr. Part No. PIC16F17576-I/P Mouser Part No 579-PIC16F17576-I/P New Product	Microchip Technology	8-bit Microcontrollers - MCU 28KB Flash, 2KB RAM, 12b Differential ADCC, 4x OpAmp, Low-Power Analog Learn More about Microchip Technology microchip pic16f175x mcus	Datasheet	225In Stock	HK$25.56 HK$23.43 HK$21.21	Min.: 1 Mult.: 1	PIC	28 kB	2 kB	PDIP-40	64 MHz	10 bit	36 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 8kB Flash 256B RAM 33MHz 4.0V-5.5V AT89S52-24PU Microchip Technology 1: HK$30.25 5,838In Stock 7,260Expected 29/9/2026	Mfr. Part No. AT89S52-24PU Mouser Part No 556-A89S52-24PU	Microchip Technology	8-bit Microcontrollers - MCU 8kB Flash 256B RAM 33MHz 4.0V-5.5V	Datasheet	5,838In Stock 7,260Expected 29/9/2026	HK$30.25 HK$27.78 HK$25.24	Min.: 1 Mult.: 1	8051	8 kB	256 B	PDIP-40	24 MHz	No ADC	32 I/O	4 V	5.5 V	Through Hole	8 bit	- 40 C	+ 85 C	89S	Tube
8-bit Microcontrollers - MCU 7KB Flash, 512B RAM, 12b Differential ADCC, 4x OpAmp, Low-Power Analog PIC16F17574-I/P Microchip Technology 1: HK$21.78 300In Stock New Product	Mfr. Part No. PIC16F17574-I/P Mouser Part No 579-PIC16F17574-I/P New Product	Microchip Technology	8-bit Microcontrollers - MCU 7KB Flash, 512B RAM, 12b Differential ADCC, 4x OpAmp, Low-Power Analog Learn More about Microchip Technology microchip pic16f175x mcus	Datasheet	300In Stock	HK$21.78 HK$19.97 HK$18.08	Min.: 1 Mult.: 1		7 kB	512 B	PDIP-40	32 MHz	12 bit	36 I/O	1.8 V	5.5 V	Through Hole	8 bit	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 14KB Flash, 1KB RAM, 12b Differential ADCC, 4x OpAmp, Low-Power Analog PIC16F17575-I/P Microchip Technology 1: HK$23.51 280In Stock New Product	Mfr. Part No. PIC16F17575-I/P Mouser Part No 579-PIC16F17575-I/P New Product	Microchip Technology	8-bit Microcontrollers - MCU 14KB Flash, 1KB RAM, 12b Differential ADCC, 4x OpAmp, Low-Power Analog Learn More about Microchip Technology microchip pic16f175x mcus	Datasheet	280In Stock	HK$23.51 HK$21.54 HK$19.48	Min.: 1 Mult.: 1	PIC	14 kB	1 kB	PDIP-40	64 MHz	10 bit	36 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 7KB Flash, 128EE, 512B RAM, 10b ADC, PWM, CCP, HLT, WDT, PPS, EUSART, SPI/I2C PIC16F18074-I/P Microchip Technology 1: HK$28.28 174In Stock	Mfr. Part No. PIC16F18074-I/P Mouser Part No 579-PIC16F18074-I/P	Microchip Technology	8-bit Microcontrollers - MCU 7KB Flash, 128EE, 512B RAM, 10b ADC, PWM, CCP, HLT, WDT, PPS, EUSART, SPI/I2C Learn More about Microchip Technology microchip pic16f18054 55 74 75 mcus	Datasheet	174In Stock	HK$28.28 HK$25.89 HK$23.51	Min.: 1 Mult.: 1	PIC16	7 kB	512 B	PDIP-40	32 MHz	10 bit	36 I/O	1.8 V	5.5 V	Through Hole	8 bit	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 14KB Flash, 128EE, 1KB RAM, 10b ADC, PWM, CCP, HLT, WDT, PPS, EUSART, SPI/I2C PIC16F18075-E/P Microchip Technology 1: HK$32.22 397In Stock	Mfr. Part No. PIC16F18075-E/P Mouser Part No 579-PIC16F18075-EP	Microchip Technology	8-bit Microcontrollers - MCU 14KB Flash, 128EE, 1KB RAM, 10b ADC, PWM, CCP, HLT, WDT, PPS, EUSART, SPI/I2C Learn More about Microchip Technology microchip pic16f18054 55 74 75 mcus	Datasheet	397In Stock	HK$32.22 HK$29.51 HK$26.80	Min.: 1 Mult.: 1	RISC	14 kB	1 kB	PDIP-40	32 MHz	10 bit	36 I/O	1.8 V	5.5 V	Through Hole	8 bit	- 40 C	+ 125 C	PIC16F18054/55/74/75	Tube
8-bit Microcontrollers - MCU 32KB Flash, 2KB RAM, 512bytes EEPROM, MVIO, 10b ADC2, 8b DAC, ACP, Comp, PWM, PIC18F45Q24-I/P Microchip Technology 1: HK$27.70 232In Stock	Mfr. Part No. PIC18F45Q24-I/P Mouser Part No 579-PIC18F45Q24IP	Microchip Technology	8-bit Microcontrollers - MCU 32KB Flash, 2KB RAM, 512bytes EEPROM, MVIO, 10b ADC2, 8b DAC, ACP, Comp, PWM, Learn More about Microchip Technology microchip_pic18f26 45 46 55 56q24 microcontrollers	Datasheet	232In Stock	HK$27.70 HK$25.40 HK$23.02	Min.: 1 Mult.: 1	RISC	32 kB	2 kB	PDIP-40	64 MHz	10 bit	35 I/O	1.8 V	5.5 V	Through Hole	8 bit	- 40 C	+ 85 C		Tube
8-bit Microcontrollers - MCU 64KB Flash, 4KB RAM, 512bytes EEPROM, MVIO, 10b ADC2, 8b DAC, ACP, Comp, PWM, PIC18F46Q24-I/P Microchip Technology 1: HK$28.85 201In Stock	Mfr. Part No. PIC18F46Q24-I/P Mouser Part No 579-PIC18F46Q24-I/P	Microchip Technology	8-bit Microcontrollers - MCU 64KB Flash, 4KB RAM, 512bytes EEPROM, MVIO, 10b ADC2, 8b DAC, ACP, Comp, PWM, Learn More about Microchip Technology microchip pic18 q24 mcus	Datasheet	201In Stock	HK$28.85 HK$26.47 HK$23.92	Min.: 1 Mult.: 1	PIC18	64 kB	4 kB	PDIP-40	64 MHz	10 bit	35 I/O	1.8 V	5.5 V	Through Hole	8 bit	- 40 C	+ 85 C	PIC18F26/45/46/55/56Q24	Tube
8-bit Microcontrollers - MCU 32K FLASH 4.0 TO 5.5V AT89C51RC-24PU Microchip Technology 1: HK$42.50 396In Stock 690Expected 1/10/2026	Mfr. Part No. AT89C51RC-24PU Mouser Part No 556-A89C51RC-24PU	Microchip Technology	8-bit Microcontrollers - MCU 32K FLASH 4.0 TO 5.5V Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	396In Stock 690Expected 1/10/2026	HK$42.50 HK$39.05 HK$38.47	Min.: 1 Mult.: 1	8051	32 kB	512 B	PDIP-40	24 MHz	No ADC	32 I/O	4 V	5.5 V	Through Hole	8 bit	- 40 C	+ 85 C	89C	Tube
8-bit Microcontrollers - MCU 32kB Flash 1280B RAM 2.7V-5.5V AT89C51RC2-3CSUM Microchip Technology 1: HK$77.43 303In Stock	Mfr. Part No. AT89C51RC2-3CSUM Mouser Part No 556-A89C51RC2-3CSUM	Microchip Technology	8-bit Microcontrollers - MCU 32kB Flash 1280B RAM 2.7V-5.5V Learn More about Microchip Technology microchip at89c51 mcus	Datasheet	303In Stock	HK$77.43 HK$71.10 HK$64.36	Min.: 1 Mult.: 1	8051	32 kB	1.25 kB	PDIP-40	60 MHz	No ADC	32 I/O	2.7 V	5.5 V	Through Hole	8 bit	- 40 C	+ 85 C	89C	Tube
8-bit Microcontrollers - MCU 4kB Flash 128B RAM 33MHz 4.0V-5.5V AT89S51-24PU Microchip Technology 1: HK$27.29 1,609In Stock 1,510Expected 30/9/2026	Mfr. Part No. AT89S51-24PU Mouser Part No 556-A89S51-24PU	Microchip Technology	8-bit Microcontrollers - MCU 4kB Flash 128B RAM 33MHz 4.0V-5.5V	Datasheet	1,609In Stock 1,510Expected 30/9/2026	HK$27.29 HK$25.07 HK$22.69	Min.: 1 Mult.: 1	8051	4 kB	128 B	PDIP-40	24 MHz	No ADC	32 I/O	4 V	5.5 V	Through Hole	8 bit	- 40 C	+ 85 C	89S	Tube
8-bit Microcontrollers - MCU 12kB Flash 256B RAM 2.7V-5.5V AT89S8253-24PU Microchip Technology 1: HK$36.58 688In Stock	Mfr. Part No. AT89S8253-24PU Mouser Part No 556-A89S8253-24PU	Microchip Technology	8-bit Microcontrollers - MCU 12kB Flash 256B RAM 2.7V-5.5V	Datasheet	688In Stock	HK$36.58 HK$33.62 HK$33.21	Min.: 1 Mult.: 1	8051	12 kB	256 B	PDIP-40	24 MHz	No ADC	32 I/O	2.7 V	5.5 V	Through Hole	8 bit	- 40 C	+ 85 C	89S	Tube
8-bit Microcontrollers - MCU 20K FLASH - 24MHZ IND TEMP 5V AT89C55WD-24PU Microchip Technology 1: HK$42.33 864In Stock 900Expected 2/10/2026	Mfr. Part No. AT89C55WD-24PU Mouser Part No 556-AT89C55WD-24PU	Microchip Technology	8-bit Microcontrollers - MCU 20K FLASH - 24MHZ IND TEMP 5V	Datasheet	864In Stock 900Expected 2/10/2026	HK$42.33 HK$38.88 HK$38.39	Min.: 1 Mult.: 1	8051	20 kB	256 B	PDIP-40	24 MHz	No ADC	32 I/O	4 V	5.5 V	Through Hole	8 bit	- 40 C	+ 85 C	AT89C55WD	Tube
8-bit Microcontrollers - MCU AVR 128KB FLSH 4KB EE16KB SRAM-20 MHz ATMEGA1284-PU Microchip Technology 1: HK$56.96 848In Stock	Mfr. Part No. ATMEGA1284-PU Mouser Part No 556-ATMEGA1284-PU	Microchip Technology	8-bit Microcontrollers - MCU AVR 128KB FLSH 4KB EE16KB SRAM-20 MHz Learn More about Microchip Technology microchip megaavr 8 bit mcus	Datasheet	848In Stock	HK$56.96 HK$52.28 HK$47.35	Min.: 1 Mult.: 1	AVR	128 kB	16 kB	PDIP-40	20 MHz	10 bit	32 I/O	1.8 V	5.5 V	Through Hole	8 bit	- 40 C	+ 85 C	ATmega1284	Tube
8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V ATMEGA644P-20PU Microchip Technology 1: HK$61.57 293In Stock	Mfr. Part No. ATMEGA644P-20PU Mouser Part No 556-ATMEGA644P-20PU	Microchip Technology	8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	293In Stock	HK$61.57 HK$56.39 HK$51.13	Min.: 1 Mult.: 1	AVR	64 kB	4 kB	PDIP-40	20 MHz	10 bit	32 I/O	2.7 V	5.5 V	Through Hole	8 bit	- 40 C	+ 85 C	ATmega644P	Tube
8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins ATMEGA644PA-PU Microchip Technology 1: HK$56.39 650In Stock	Mfr. Part No. ATMEGA644PA-PU Mouser Part No 556-ATMEGA644PA-PU	Microchip Technology	8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins Learn More about Microchip Technology microchip megaavr 8 bit mcus	Datasheet	650In Stock	HK$56.39 HK$51.54 HK$46.77	Min.: 1 Mult.: 1	AVR	64 kB	4 kB	PDIP-40	20 MHz	10 bit	32 I/O	1.8 V	5.5 V	Through Hole	8 bit	- 40 C	+ 85 C	ATmega644	Tube
8-bit Microcontrollers - MCU 7KB 192 RAM 33 I/O PIC16C74A-04/P Microchip Technology 1: HK$89.19 400In Stock	Mfr. Part No. PIC16C74A-04/P Mouser Part No 579-PIC16C74A04P	Microchip Technology	8-bit Microcontrollers - MCU 7KB 192 RAM 33 I/O	Datasheet	400In Stock	HK$89.19	Min.: 1 Mult.: 1	PIC16	4 kB	192 B	PDIP-40	4 MHz	8 bit	33 I/O	4 V	6 V	Through Hole	8 bit	0 C	+ 70 C	PIC16(L)C7x	Tube
8-bit Microcontrollers - MCU 14KB 368 RAM 33 I/O PIC16F877A-I/P Microchip Technology 1: HK$57.38 1,035In Stock	Mfr. Part No. PIC16F877A-I/P Mouser Part No 579-PIC16F877A-I/P	Microchip Technology	8-bit Microcontrollers - MCU 14KB 368 RAM 33 I/O Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	1,035In Stock	HK$57.38	Min.: 1 Mult.: 1	PIC16	14 kB	368 B	PDIP-40	20 MHz	10 bit	33 I/O	4 V	5.5 V	Through Hole	8 bit	- 40 C	+ 85 C	PIC16(L)F87x	Tube
8-bit Microcontrollers - MCU 7KB Flash 256 RAM 36 I/O PIC16F884-I/P Microchip Technology 1: HK$24.17 1,589In Stock	Mfr. Part No. PIC16F884-I/P Mouser Part No 579-PIC16F884-I/P	Microchip Technology	8-bit Microcontrollers - MCU 7KB Flash 256 RAM 36 I/O Learn More about Microchip Technology microchip automotive 8bit mcus	Datasheet	1,589In Stock	HK$24.17	Min.: 1 Mult.: 1	PIC16	7 kB	256 B	PDIP-40	20 MHz	10 bit	35 I/O	2 V	5.5 V	Through Hole	8 bit	- 40 C	+ 85 C	PIC16F88x	Tube
8-bit Microcontrollers - MCU 14KB FL 352R 36 I/O PIC16F917-I/P Microchip Technology 1: HK$37.24 719In Stock	Mfr. Part No. PIC16F917-I/P Mouser Part No 579-PIC16F917-I/P	Microchip Technology	8-bit Microcontrollers - MCU 14KB FL 352R 36 I/O	Datasheet	719In Stock	HK$37.24	Min.: 1 Mult.: 1	PIC16	14 kB	352 B	PDIP-40	20 MHz	10 bit	35 I/O	4.5 V	5.5 V	Through Hole	8 bit	- 40 C	+ 85 C	PIC16F91x	Tube
8-bit Microcontrollers - MCU 16KB 768 RAM 36I/O PIC18F4420-I/P Microchip Technology 1: HK$49.98 219In Stock	Mfr. Part No. PIC18F4420-I/P Mouser Part No 579-PIC18F4420-I/P	Microchip Technology	8-bit Microcontrollers - MCU 16KB 768 RAM 36I/O	Datasheet	219In Stock	HK$49.98	Min.: 1 Mult.: 1	PIC18	16 kB	768 B	PDIP-40	40 MHz	10 bit	36 I/O	4.2 V	5.5 V	Through Hole	8 bit	- 40 C	+ 85 C	PIC18(L)Fxx20	Tube
8-bit Microcontrollers - MCU 32KB 1536 RAM 34I/O PIC18F452-I/P Microchip Technology 1: HK$70.12 794In Stock	Mfr. Part No. PIC18F452-I/P Mouser Part No 579-PIC18F452-I/P	Microchip Technology	8-bit Microcontrollers - MCU 32KB 1536 RAM 34I/O	Datasheet	794In Stock	HK$70.12	Min.: 1 Mult.: 1	PIC18	32 kB	1.5 kB	PDIP-40	40 MHz	10 bit	34 I/O	4.2 V	5.5 V	Through Hole	8 bit	- 40 C	+ 85 C	PIC18(L)Fxx2	Tube