Integrated Circuits

Discover a comprehensive selection of high-performance integrated circuits (ICs). Our offerings include microcontrollers, microprocessors, FPGAs, and more, designed to deliver exceptional functionality and reliability. Click one of the categories below to explore our IC solutions.

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About Integrated Circuits

Integrated circuits (ICs) are essential components in modern electronic devices, combining multiple electronic components onto a single semiconductor substrate. These miniature electronic circuits perform a variety of functions, from simple logic gates to complex microprocessors. ICs are known for their small size, efficiency, reliability, and versatility, making them indispensable in a wide range of applications.

What Are Integrated Circuits?

Integrated circuits are semiconductor devices that integrate multiple electronic components—including transistors, resistors, and capacitors—onto a single silicon chip to perform computing, control, or signal processing functions.

Engineers use integrated circuits to deliver compact processing power, control electronic systems, and support applications in consumer electronics, embedded computing, and industrial technology. Explore Suntsu’s portfolio of integrated circuits to source reliable components for your next circuit board or system design.

Types of Integrated Circuits We Offer

Microcontrollers

Microcontrollers are compact integrated circuits that combine a processor core, memory, and input/output interfaces onto a single chip. These devices function as the control unit within embedded electronic systems, allowing engineers to program and manage hardware operations.

Microcontrollers are widely used in consumer electronics, industrial automation, and IoT devices, where efficient processing power and low power consumption are required. Their integrated architecture simplifies circuit board design while enabling flexible system control.

Microprocessors

Microprocessors serve as the central processing unit of computing systems, executing instructions and performing data processing tasks within electronic devices. These integrated circuits contain complex architectures with billions of transistors, enabling high computational performance.

Engineers integrate microprocessors into embedded computing systems, networking equipment, and industrial controllers where advanced processing capabilities are required for machine learning, automation, and data-driven applications.

Field Programmable Gate Arrays (FPGAs)

Field Programmable Gate Arrays (FPGAs) are configurable integrated circuits designed to be programmed after manufacturing. These devices allow engineers to customize digital logic functions by configuring programmable interconnect structures and logic blocks.

FPGAs are commonly used in communications infrastructure, test and measurement equipment, and advanced electronic systems where flexible hardware acceleration and parallel processing are required.

How to Choose the Right Integrated Circuits

Processing Requirements: Determine the level of processing power needed based on the system’s computing workload, control tasks, or signal processing demands.

Application-Specific Functionality: Some designs benefit from application-specific integrated circuits that optimize performance for targeted workloads such as networking, automation, or machine learning.

IC Package and Board Compatibility: Ensure the selected IC package fits the circuit board layout and aligns with manufacturing and thermal requirements.

Power Consumption and System Efficiency: Embedded devices and portable electronics often require integrated circuits designed for efficient power management.

System Architecture and Interconnect Needs: Evaluate how the IC will communicate with other components through memory, peripherals, and interconnect interfaces within the broader electronic system.

Part Search

Total Products: 133,621
ImageData
Sheet
Part NumberManufacturerDescriptionCategoryDevice PackageVoltageOperating
Temp
Additional SpecificationsQtyGet A
Quote
AT89C4051-12SI
AT89C4051-12SIMicrochip TechnologyIC MCU 8BIT 4KB FLASH 20SOICMicrocontrollers20-SOICN/A-40°C ~ 85°C (TA)
Core Processor:
8051
Core Size:
8-Bit
Speed:
12MHz
Connectivity:
UART/USART
Peripherals:
Brown-out Detect/Reset, LED, POR
Number of I/O:
15
Program Memory Size:
4KB (4K x 8)
Program Memory Type:
FLASH
RAM Size:
128 x 8
Voltage – Supply (Vcc/Vdd):
4V ~ 6V
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
20-SOIC
Package / Case:
20-SOIC (0.295″”, 7.50mm Width)
1,972
AT89C4051-12SU
AT89C4051-12SUMicrochip TechnologyIC MCU 8BIT 4KB FLASH 20SOICMicrocontrollers20-SOICN/A-40°C ~ 85°C (TA)
Core Processor:
8051
Core Size:
8-Bit
Speed:
12MHz
Connectivity:
UART/USART
Peripherals:
Brown-out Detect/Reset, LED, POR
Number of I/O:
15
Program Memory Size:
4KB (4K x 8)
Program Memory Type:
FLASH
RAM Size:
128 x 8
Voltage – Supply (Vcc/Vdd):
2.7V ~ 6V
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
20-SOIC
Package / Case:
20-SOIC (0.295″”, 7.50mm Width)
873
AT89C4051-24PC
AT89C4051-24PCMicrochip TechnologyIC MCU 8BIT 4KB FLASH 20DIPMicrocontrollers20-PDIPN/A0°C ~ 70°C (TA)
Core Processor:
8051
Core Size:
8-Bit
Speed:
24MHz
Connectivity:
UART/USART
Peripherals:
Brown-out Detect/Reset, LED, POR
Number of I/O:
15
Program Memory Size:
4KB (4K x 8)
Program Memory Type:
FLASH
RAM Size:
128 x 8
Voltage – Supply (Vcc/Vdd):
4V ~ 6V
Oscillator Type:
Internal
Operating Temperature:
0°C ~ 70°C (TA)
Mounting Type:
Through Hole
Supplier Device Package:
20-PDIP
Package / Case:
20-DIP (0.300″”, 7.62mm)
922
AT89C4051-24PI
AT89C4051-24PIMicrochip TechnologyIC MCU 8BIT 4KB FLASH 20DIPMicrocontrollers20-PDIPN/A-40°C ~ 85°C (TA)
Core Processor:
8051
Core Size:
8-Bit
Speed:
24MHz
Connectivity:
UART/USART
Peripherals:
Brown-out Detect/Reset, LED, POR
Number of I/O:
15
Program Memory Size:
4KB (4K x 8)
Program Memory Type:
FLASH
RAM Size:
128 x 8
Voltage – Supply (Vcc/Vdd):
4V ~ 6V
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Through Hole
Supplier Device Package:
20-PDIP
Package / Case:
20-DIP (0.300″”, 7.62mm)
127
AT89C4051-24PU
AT89C4051-24PUMicrochip TechnologyIC MCU 8BIT 4KB FLASH 20DIPMicrocontrollers20-PDIPN/A-40°C ~ 85°C (TA)
Core Processor:
8051
Core Size:
8-Bit
Speed:
24MHz
Connectivity:
UART/USART
Peripherals:
Brown-out Detect/Reset, LED, POR
Number of I/O:
15
Program Memory Size:
4KB (4K x 8)
Program Memory Type:
FLASH
RAM Size:
128 x 8
Voltage – Supply (Vcc/Vdd):
4V ~ 6V
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Through Hole
Supplier Device Package:
20-PDIP
Package / Case:
20-DIP (0.300″”, 7.62mm)
1,469
AT89C4051-24SC
AT89C4051-24SCMicrochip TechnologyIC MCU 8BIT 4KB FLASH 20SOICMicrocontrollers20-SOICN/A0°C ~ 70°C (TA)
Core Processor:
8051
Core Size:
8-Bit
Speed:
24MHz
Connectivity:
UART/USART
Peripherals:
Brown-out Detect/Reset, LED, POR
Number of I/O:
15
Program Memory Size:
4KB (4K x 8)
Program Memory Type:
FLASH
RAM Size:
128 x 8
Voltage – Supply (Vcc/Vdd):
4V ~ 6V
Oscillator Type:
Internal
Operating Temperature:
0°C ~ 70°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
20-SOIC
Package / Case:
20-SOIC (0.295″”, 7.50mm Width)
1,006
AT89C4051-24SI
AT89C4051-24SIMicrochip TechnologyIC MCU 8BIT 4KB FLASH 20SOICMicrocontrollers20-SOICN/A-40°C ~ 85°C (TA)
Core Processor:
8051
Core Size:
8-Bit
Speed:
24MHz
Connectivity:
UART/USART
Peripherals:
Brown-out Detect/Reset, LED, POR
Number of I/O:
15
Program Memory Size:
4KB (4K x 8)
Program Memory Type:
FLASH
RAM Size:
128 x 8
Voltage – Supply (Vcc/Vdd):
4V ~ 6V
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
20-SOIC
Package / Case:
20-SOIC (0.295″”, 7.50mm Width)
563
AT89C4051-24SJ
AT89C4051-24SJMicrochip TechnologyIC MCU 8BIT 4KB FLASH 20SOICMicrocontrollers20-SOICN/A-40°C ~ 85°C (TA)
Core Processor:
8051
Core Size:
8-Bit
Speed:
24MHz
Connectivity:
UART/USART
Peripherals:
Brown-out Detect/Reset, LED, POR
Number of I/O:
15
Program Memory Size:
4KB (4K x 8)
Program Memory Type:
FLASH
RAM Size:
128 x 8
Voltage – Supply (Vcc/Vdd):
4V ~ 6V
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
20-SOIC
Package / Case:
20-SOIC (0.295″”, 7.50mm Width)
344
AT89C4051-24SU
AT89C4051-24SUMicrochip TechnologyIC MCU 8BIT 4KB FLASH 20SOICMicrocontrollers20-SOICN/A-40°C ~ 85°C (TA)
Core Processor:
8051
Core Size:
8-Bit
Speed:
24MHz
Connectivity:
UART/USART
Peripherals:
Brown-out Detect/Reset, LED, POR
Number of I/O:
15
Program Memory Size:
4KB (4K x 8)
Program Memory Type:
FLASH
RAM Size:
128 x 8
Voltage – Supply (Vcc/Vdd):
4V ~ 6V
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
20-SOIC
Package / Case:
20-SOIC (0.295″”, 7.50mm Width)
402
AT89C51-24AC
AT89C51-24ACMicrochip TechnologyIC MCU 8BIT 4KB FLASH 44TQFPMicrocontrollers44-TQFP (10x10)N/A0°C ~ 70°C
Core Processor:
8051
Core Size:
8-Bit
Speed:
24MHz
Connectivity:
UART/USART
Number of I/O:
32
Program Memory Size:
4KB (4K x 8)
Program Memory Type:
FLASH
RAM Size:
128 x 8
Voltage – Supply (Vcc/Vdd):
4V ~ 6V
Oscillator Type:
Internal
Operating Temperature:
0°C ~ 70°C
Mounting Type:
Surface Mount
Supplier Device Package:
44-TQFP (10×10)
Package / Case:
44-TQFP
699
AT89C51-24AI
AT89C51-24AIMicrochip TechnologyIC MCU 8BIT 4KB FLASH 44TQFPMicrocontrollers44-TQFP (10x10)N/A-40°C ~ 85°C
Core Processor:
8051
Core Size:
8-Bit
Speed:
24MHz
Connectivity:
UART/USART
Number of I/O:
32
Program Memory Size:
4KB (4K x 8)
Program Memory Type:
FLASH
RAM Size:
128 x 8
Voltage – Supply (Vcc/Vdd):
4V ~ 6V
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C
Mounting Type:
Surface Mount
Supplier Device Package:
44-TQFP (10×10)
Package / Case:
44-TQFP
1,231
AT89C51-24JC
AT89C51-24JCMicrochip TechnologyIC MCU 8BIT 4KB FLASH 44PLCCMicrocontrollers44-PLCC (16.6x16.6)N/A0°C ~ 70°C (TA)
Core Processor:
80C51
Core Size:
8-Bit
Speed:
24MHz
Connectivity:
UART/USART
Number of I/O:
32
Program Memory Size:
4KB (4K x 8)
Program Memory Type:
FLASH
RAM Size:
128 x 8
Voltage – Supply (Vcc/Vdd):
4V ~ 6V
Oscillator Type:
Internal
Operating Temperature:
0°C ~ 70°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
44-PLCC (16.6×16.6)
Package / Case:
44-LCC (J-Lead)
221
AT89C51-24JI
AT89C51-24JIMicrochip TechnologyIC MCU 8BIT 4KB FLASH 44PLCCMicrocontrollers44-PLCC (16.6x16.6)N/A-40°C ~ 85°C
Core Processor:
8051
Core Size:
8-Bit
Speed:
24MHz
Connectivity:
UART/USART
Number of I/O:
32
Program Memory Size:
4KB (4K x 8)
Program Memory Type:
FLASH
RAM Size:
128 x 8
Voltage – Supply (Vcc/Vdd):
4V ~ 6V
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C
Mounting Type:
Surface Mount
Supplier Device Package:
44-PLCC (16.6×16.6)
Package / Case:
44-LCC (J-Lead)
810
AT89C51-24PC
AT89C51-24PCMicrochip TechnologyIC MCU 8BIT 4KB FLASH 40DIPMicrocontrollers40-PDIPN/A0°C ~ 70°C (TA)
Core Processor:
80C51
Core Size:
8-Bit
Speed:
24MHz
Connectivity:
UART/USART
Number of I/O:
32
Program Memory Size:
4KB (4K x 8)
Program Memory Type:
FLASH
RAM Size:
128 x 8
Voltage – Supply (Vcc/Vdd):
4V ~ 6V
Oscillator Type:
Internal
Operating Temperature:
0°C ~ 70°C (TA)
Mounting Type:
Through Hole
Supplier Device Package:
40-PDIP
Package / Case:
40-DIP (0.600″”, 15.24mm)
448
AT89C51-24PI
AT89C51-24PIMicrochip TechnologyIC MCU 8BIT 4KB FLASH 40DIPMicrocontrollers40-PDIPN/A-40°C ~ 85°C (TA)
Core Processor:
80C51
Core Size:
8-Bit
Speed:
24MHz
Connectivity:
UART/USART
Number of I/O:
32
Program Memory Size:
4KB (4K x 8)
Program Memory Type:
FLASH
RAM Size:
128 x 8
Voltage – Supply (Vcc/Vdd):
4V ~ 6V
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Through Hole
Supplier Device Package:
40-PDIP
Package / Case:
40-DIP (0.600″”, 15.24mm)
1,427
AT89C51-33AIN/AAT89C51-33AIMicrochip TechnologyIC MCU 8BIT 4KB FLASH 44TQFPMicrocontrollers44-TQFP (10x10)N/A-40°C ~ 85°C (TA)
Core Processor:
80C51
Core Size:
8-Bit
Speed:
33MHz
Connectivity:
UART/USART
Number of I/O:
32
Program Memory Size:
4KB (4K x 8)
Program Memory Type:
FLASH
RAM Size:
128 x 8
Voltage – Supply (Vcc/Vdd):
4V ~ 6V
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
44-TQFP (10×10)
Package / Case:
44-TQFP
1,654
AT89C51-33JIN/AAT89C51-33JIMicrochip TechnologyIC MCU 8BIT 4KB FLASH 44PLCCMicrocontrollers44-PLCC (16.6x16.6)N/A-40°C ~ 85°C (TA)
Core Processor:
80C51
Core Size:
8-Bit
Speed:
33MHz
Connectivity:
UART/USART
Number of I/O:
32
Program Memory Size:
4KB (4K x 8)
Program Memory Type:
FLASH
RAM Size:
128 x 8
Voltage – Supply (Vcc/Vdd):
4V ~ 6V
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
44-PLCC (16.6×16.6)
Package / Case:
44-LCC (J-Lead)
487
AT89C51-33PIN/AAT89C51-33PIMicrochip TechnologyIC MCU 8BIT 4KB FLASH 40DIPMicrocontrollers40-PDIPN/A-40°C ~ 85°C (TA)
Core Processor:
80C51
Core Size:
8-Bit
Speed:
33MHz
Connectivity:
UART/USART
Number of I/O:
32
Program Memory Size:
4KB (4K x 8)
Program Memory Type:
FLASH
RAM Size:
128 x 8
Voltage – Supply (Vcc/Vdd):
4V ~ 6V
Oscillator Type:
Internal
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Through Hole
Supplier Device Package:
40-PDIP
Package / Case:
40-DIP (0.600″”, 15.24mm)
1,475
AT89C5115-RATUM
AT89C5115-RATUMMicrochip TechnologyIC MCU 8BIT 16KB FLASH 32VQFPMicrocontrollers32-VQFP (7x7)N/A-40°C ~ 85°C (TA)
Core Processor:
80C51
Core Size:
8-Bit
Speed:
40MHz
Connectivity:
UART/USART
Peripherals:
POR, PWM, WDT
Number of I/O:
20
Program Memory Size:
16KB (16K x 8)
Program Memory Type:
FLASH
EEPROM Size:
2K x 8
RAM Size:
512 x 8
Voltage – Supply (Vcc/Vdd):
3V ~ 5.5V
Data Converters:
A/D 8x10b
Oscillator Type:
External
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
32-VQFP (7×7)
Package / Case:
32-LQFP
420
AT89C5115-SISUM
AT89C5115-SISUMMicrochip TechnologyIC MCU 8BIT 16KB FLASH 28PLCCMicrocontrollers28-PLCC (11.51x11.51)N/A-40°C ~ 85°C (TA)
Core Processor:
80C51
Core Size:
8-Bit
Speed:
40MHz
Connectivity:
UART/USART
Peripherals:
POR, PWM, WDT
Number of I/O:
20
Program Memory Size:
16KB (16K x 8)
Program Memory Type:
FLASH
EEPROM Size:
2K x 8
RAM Size:
512 x 8
Voltage – Supply (Vcc/Vdd):
3V ~ 5.5V
Data Converters:
A/D 8x10b
Oscillator Type:
External
Operating Temperature:
-40°C ~ 85°C (TA)
Mounting Type:
Surface Mount
Supplier Device Package:
28-PLCC (11.51×11.51)
Package / Case:
28-LCC (J-Lead)
85

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