AT89C51 8-Bit MCS-51 Microcontroller, 4KB Flash
Prices updated: 12 Oct 2026
Compare prices
| Store | product | Price | View in store |
|---|---|---|---|
 MicroohmCheapest | AT89c51 8-bit AVR Microcontroller | 150 EGP170 | View in store |
 Makers Electronics | AT89C51 8-Bit Microcontroller SMD IC | 250 EGP | View in store |
Price history
Lowest daily price, last 90 days
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Lowest price recorded: 150 EGP
About this product
The AT89C51 is an 8-bit CMOS microcontroller compatible with the MCS-51 (8051) instruction set, with 4 KB of reprogrammable Flash program memory. The listing describes it as a surface-mount IC. It is used in embedded control designs and learning projects. It belongs to the 8051 family, not AVR.
Specifications
- Core
- MCS-51 (8051)
- Technology
- CMOS
- Flash program memory
- 4 KB
- Internal RAM
- 128 bytes
- I/O lines
- 32
- Package
- Surface mount (SMD, per listing)
Frequently asked questions
What is the price of AT89C51 8-Bit MCS-51 Microcontroller, 4KB Flash in Egypt?
AT89C51 8-Bit MCS-51 Microcontroller, 4KB Flash currently costs between 150 and 250 EGP across 2 offers in Egypt.
Where can I buy AT89C51 8-Bit MCS-51 Microcontroller, 4KB Flash in Egypt?
AT89C51 8-Bit MCS-51 Microcontroller, 4KB Flash is available from Microohm and Makers Electronics. Compare the offers above to find the best price.
Is this an AVR microcontroller?
No. The AT89C51 is an 8051-family microcontroller and uses MCS-51 tools such as Keil C51 or SDCC. AVR code and Arduino-style toolchains will not run on it.
How do I power and program it?
Power it from a regulated supply within the range in the datasheet for your exact variant, which is typically 5 V. It needs a crystal and a reset circuit. Program it with an MCS-51 compatible programmer; in-system programming support varies by variant, so check the datasheet.
