AT89S4051-24SU
- Mfr.Part #
- AT89S4051-24SU
- Manufacturer
- Microchip Technology
- Package / Case
- 20-SOIC (0.295, 7.50mm Width)
- Datasheet
- Download
- Description
- IC MCU 8BIT 4KB FLASH 20SOIC
- Stock
- 20
- In Stock :
- 20
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Series :
- 89S
- REACH SVHC :
- No SVHC
- Package Type :
- SOIC W
- Product Status :
- Active
- Published :
- 1997
- Reach Compliance Code :
- Compliant
- Number of I/Os :
- 15 I/O
- DAC Channels :
- No
- Interface Type :
- UART
- Total Internal Ram Size :
- 256B(kB)
- EEPROM Size :
- --
- Package Shape :
- RECTANGULAR
- Family Name :
- AT89
- Interface :
- UART, USART
- Device Core Size :
- 8(b)
- Supply Voltage :
- 3V
- Surface Mount :
- yes
- Product :
- MCU
- Supply Current-Max :
- 10.5 mA
- Terminal Pitch :
- 1.27 mm
- Oscillator Type :
- Internal
- Width :
- 7.6mm
- Moisture Sensitivity Level (MSL) :
- 2 (1 Year)
- Speed :
- 24MHz
- Clock Freq :
- 24(MHz)
- Operating Temperature (Min) :
- -40C
- Mounting Style :
- SMD/SMT
- Operating Temperature (Max) :
- 85C
- Product Category :
- 8-bit Microcontrollers - MCU
- Terminal Form :
- Gull wing
- Mounting :
- Surface Mount
- Number of Timers/Counters :
- 2
- Device Core :
- 8051
- RAM Size :
- 256 x 8
- Number of Terminations :
- 20
- RoHS :
- Details
- Packaging :
- Tube
- Program Memory Type :
- Flash
- Number of UART Channels :
- 1
- Power Supplies :
- 3/5V
- Peripherals :
- Brown-out Detect/Reset, POR, PWM
- Connectivity :
- UART/USART
- Package :
- Tube
- Minimum Operating Temperature :
- -40 °C
- Temperature Grade :
- Industrial
- Peak Reflow Temperature (Cel) :
- 250
- Operating Supply Voltage (Min) :
- 2.7(V)
- DMA Channels :
- No
- RAM (bytes) :
- 256
- Programmable :
- yes
- Core Processor :
- 8051
- Brand :
- Microchip Technology
- PWM Channels :
- yes
- # I/Os (Max) :
- 15
- Frequency :
- 24MHz
- JESD-30 Code :
- R-PDSO-G20
- Terminal Finish :
- Matte Tin (Sn)
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER
- Operating Temp Range :
- -40C to 85C
- Voltage - Supply (Vcc/Vdd) :
- 2.7V~5.5V
- Seated Height-Max :
- 2.649 mm
- Length :
- 13mm
- Number of Pins :
- 20
- Instruction Set Architecture :
- CISC
- JESD-609 Code :
- e3
- Core Size :
- 8-Bit
- Operating Temperature Classification :
- Industrial
- Height :
- 2.35mm
- Memory Size :
- 4kB
- Base Part Number :
- AT89S4051
- Number of I/O :
- 15
- Manufacturer :
- Microchip
- Number of Timers - General Purpose :
- 2
- Interfaces :
- UART
- Number of Terminals :
- 20
- Data Bus Width :
- 8B
- Supplier Device Package :
- 20-SOIC
- Has ADC :
- No
- Dimensions :
- 13 x 7.6 x 2.35mm
- Pin Count :
- 20
- RoHS Status :
- ROHS3 Compliant
- Data Converters :
- --
- Package / Case :
- 20-SOIC (0.295, 7.50mm Width)
- Number of I/O Lines :
- 15
- Access Time :
- 24 μs
- Program Memory Size :
- 4KB 4K x 8
- Operating Temperature :
- -40°C~85°C TA
- Terminal Position :
- Dual
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Mount :
- Surface Mount
- Rad Hardened :
- No
- ROM (words) :
- 4096
- Base Product Number :
- AT89S4051
- Supply Voltage-Max (Vsup) :
- 5.5V
- Operating Supply Voltage (Typ) :
- 3.3/5(V)
- CPU Family :
- 8051
- Pbfree Code :
- yes
- Radiation Hardening :
- No
- Qualification Status :
- Not Qualified
- Bit Size :
- 8
- Mounting Type :
- Surface Mount
- Factory Lead Time :
- 4 Weeks
- ROM Programmability :
- Flash
- Operating Supply Voltage (Max) :
- 5.5(V)
- Product Type :
- 8-bit Microcontrollers - MCU
- Maximum Operating Temperature :
- +85 °C
- Typical Operating Supply Voltage :
- 2.7 → 5.5 V
- Datasheets
- AT89S4051-24SU

Microcontrollers Microchip Technology AT89S4051-24SU Overview
The Microcontrollers Microchip Technology AT89S4051-24SU is a highly reliable 8-bit microcontroller that combines advanced RISC architecture with Microchip Technology's proven technology to offer an efficient solution for embedded control applications. With a robust 4KB of flash memory, this MCU is designed for sophisticated systems that require programmability and adaptability without sacrificing performance. Its compact 20-SOIC package is suited for streamlined board layouts, making it a favorite among developers looking for a combination of power, versatility, and space efficiency.
AT89S4051-24SU Features
This microcontroller features a wide range of technical attributes that enhance its applicability in various demanding environments. Key features include: - 4KB of in-system programmable Flash - 128 bytes of RAM - 32 programmable I/O lines - Two 16-bit timer/counters - A full duplex serial port - Six interrupt sources - A programmable watchdog timer - Low power idle and power-down modes
AT89S4051-24SU Applications
- Consumer Electronics: Utilized in devices like home appliances and personal gadgets where a reliable controller is needed to handle complex user inputs and provide responsive feedback.
- Industrial Automation: Perfect for controlling automated machinery or robotic systems due to its robust I/O capabilities and interrupt features, enabling efficient process management and safety monitoring.
- Automotive Systems: Can be integrated into automotive subsystems for managing engine controls, dashboard indicators, or accessory functions due to its high reliability and programmability.
- Security Systems: Ideal for applications in security systems, such as access control and surveillance, because of its extensive I/O lines and low power consumption which enhance device longevity and reliability.
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