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AT89S52-24PU 8-Bit 8051 Microcontroller (8 KB Flash, 256 B RAM, 40-PDIP, 24 MHz)

AT89S52-24PU 8-Bit 8051 Microcontroller (8 KB Flash, 256 B RAM, 40-PDIP, 24 MHz)

SKU:S5028

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Versatile 8051-based 8-bit MCU with 8 KB Flash, 256 B RAM, 32 I/O, PDIP-40, 24 MHz operation.

Regular price Rs. 70.00
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The AT89S52-24PU is a high-performance, low-power CMOS 8-bit microcontroller built on the industry-standard 8051 (MCS-51) architecture. It features 8 KB of in-system programmable (ISP) Flash memory and 256 bytes of internal RAM, all housed in a 40-pin PDIP package suited for through-hole mounting. With 32 programmable I/O pins, three 16-bit timers, full-duplex UART, watchdog timer, dual data pointers, and two power-saving modes (Idle and Power-down), this MCU delivers versatile reliability across embedded applications. Its static logic design allows operation from 0 Hz to 24 MHz within a 4.0–5.5 V supply range, and it endures -40 °C to +85 °C—making it ideal for industrial, automotive, medical, consumer electronics, and DIY projects where robustness and reusability are key.

Specification Details
Product Category 8-bit Microcontrollers – MCU
Core 8051 (MCS-51 compatible)
Program Memory Size 8 KB (Flash)
Program Memory Type In-System Programmable Flash
Data RAM Size 256 bytes
Package / Case PDIP-40 (Through-Hole)
Maximum Clock Frequency 24 MHz (supports up to 33 MHz)
ADC Resolution None
Number of I/Os 32 I/O pins
Supply Voltage – Min 4.0 V
Supply Voltage – Max 5.5 V
Mounting Style Through-Hole
Data Bus Width 8-bit
Operating Temperature – Min –40 °C
Operating Temperature – Max +85 °C
Series 89S
Packaging Tube
Brand Microchip Technology
Height approx. 4.83 mm (PDIP body)
Length approx. 52.58 mm (PDIP body)
Interface Type UART (serial)
Number of Timers / Counters 3 × 16-bit
Processor Series AT89x
Product MCUs
Product Type 8-bit Microcontrollers – MCU
Core Features Watchdog Timer, Dual Data Pointers, Idle/Power-down Modes
Program Memory Endurance ~10,000 write/erase cycles
Static Operation 0 Hz to 33 MHz (fully static)
Interrupt Architecture 6-vector, two-level
Peripherals Full-duplex UART, WDT

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AT89S52-24PU Datasheet (PDF) Download

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