The AT89S4051-24PU is an 8-bit microcontroller featuring 4KB of In-System Programmable (ISP) Flash program memory, compatible with MCS-51 products. It operates within a voltage range of 2.7V to 5.5V and supports fully static operation at frequencies up to 24 MHz. The microcontroller includes 256 bytes of internal RAM, 15 programmable I/O lines, two 16-bit timer/counters, and six interrupt sources. It also features a programmable serial UART channel, direct LED drive outputs, and an on-chip analog comparator with selectable interrupt. The device is designed for low power consumption, offering idle and power-down modes, and includes a brownout reset feature. The Flash memory can be accessed via a serial interface, allowing for flexible programming options. The AT89S4051-24PU is suitable for a variety of embedded control applications, providing a cost-effective solution with enhanced functionality.
Manufacturer: Microchip Technology
Win Source Part Number: 862199-AT89S4051-24P
Series: 89S
Operating Temperature Range: -40°C ~ 85°C (TA)
Features: 8051 series Microcontroller IC 8-Bit 24MHz 4KB (4K x 8) FLASH 20-PDIP
Core Processor: 8051
Speed: 24MHz
Package: Tube
Package: 20-DIP (0.300", 7.62mm)
Mounting: Through Hole
Core Size: 8-Bit
Connectivity: UART/USART
Peripherals: Brown-out Detect/Reset, POR, PWM
Number of I/O: 15
Program Memory Size: 4KB (4K x 8)
Program Memory Type: FLASH
Oscillator Type: Internal
Supply Voltage: 2.7V ~ 5.5V
Family Name: AT89S4051
Categories: Integrated Circuits (ICs)
Case / Package: 20-PDIP
ECCN: EAR99
Popularity: Medium
Fake Threat In the Open Market: 78 pct.
Supply and Demand Status: Limited
Quantity per package: 18
MSL Level: 1 (Unlimited)
Estimated Pruduction Lead Time: 6 Weeks
REACH Status: REACH Unaffected
HTSUS: 8542.31.0001
8051 89S Microcontroller IC 8-Bit 24MHz 4KB (4K x 8) FLASH 20-PDIP
IC MCU 8BIT 4KB FLASH 20DIP Product overview: AT89S4051-24PU from Microchip Technology is an Embedded Microcontroller MCU for industrial control, IoT devices, embedded automation, motor control, metering, and low-power board designs. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 8-bit, 8BIT, 4KB. Search-friendly keywords include microcontroller, MCU, embedded control, ARM Cortex, Flash memory, low-power, 8-bit, 8BIT, 4KB, Embedded Microcontroller MCU. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 685-AT89S4051-24PU can be used for catalog matching and distributor lookup.
IC MCU 8BIT 4KB FLASH 20DIP
8051 89S Microcontroller IC 8-Bit 24MHz 4KB (4K x 8) FLASH 20-PDIP
8-bit Microcontrollers - MCU 4K FLASH 24MHZ
| Win Source Electronics | DigiKey | ERSAELECTRONICS PTE. LTD. | Lingto Electronic Limited | Quarktwin Technology Ltd. | VAST STOCK CO., LIMITED | |
|---|---|---|---|---|---|---|
| Product Category | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) |
| Product Number | 862199-AT89S4051-24PU | AT89S4051-24PU-ND | 685-AT89S4051-24PU | AT89S4051-24PU | AT89S4051-24PU | AT89S4051-24PU |
| Product Name | Embedded - Embedded - Microcontrollers - AT89S4051-24PU | Microcontrollers | 8-bit 8BIT 4KB Embedded Microcontroller MCU | Embedded - Microcontrollers | Microcontrollers | 8-bit Microcontrollers - MCU |
| Data Bus | 8 Bit | 8 Bit | 8 Bit | 8 Bit; 8-Bit | 8 Bit; 8-Bit | |
| Clock Speed | 24 MHz | 24 MHz | 24 MHz | |||
| RAM | 4 KB | 0.2560 KB | 0.2560 KB | 0.2560 KB | ||
| ROM Type | Flash; FLASH | Flash | ||||
| Supply Voltage | 2.7 to 5.5 volts | 2.7 to 5.5 volts | 2.7 to 5.5 volts |
