AT89S51 8-Bit Microcontroller 4KB ISP Flash PDIP-40
Prices updated: 12 Oct 2026
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| Store | product | Price | View in store |
|---|---|---|---|
 Makers Electronics | AT89S51 8-Bit Microcontroller PDIP-40 | 95 EGP | View in store |
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Lowest price recorded: 95 EGP
About this product
The AT89S51 is an 8-bit 8051-compatible microcontroller from Atmel with 4 KB of in-system programmable Flash, 128 bytes of RAM and 32 I/O lines. Supplied in a 40-pin PDIP package, it is widely used for learning embedded programming and small control projects. It can be programmed over the SPI-based ISP interface.
Specifications
- Core
- 8-bit 8051-compatible
- Flash memory
- 4 KB ISP
- RAM
- 128 bytes
- I/O lines
- 32
- Supply voltage
- 4.0 V to 5.5 V
- Package
- PDIP-40
Frequently asked questions
What is the price of AT89S51 8-Bit Microcontroller 4KB ISP Flash PDIP-40 in Egypt?
AT89S51 8-Bit Microcontroller 4KB ISP Flash PDIP-40 currently costs 95 EGP in Egypt.
Where can I buy AT89S51 8-Bit Microcontroller 4KB ISP Flash PDIP-40 in Egypt?
AT89S51 8-Bit Microcontroller 4KB ISP Flash PDIP-40 is available from Makers Electronics. Compare the offers above to find the best price.
How is the AT89S51 programmed?
It is programmed in-system through its ISP interface, which uses the SPI-style pins P1.5 (MOSI), P1.6 (MISO) and P1.7 (SCK) together with RST, using an ISP programmer or a compatible USB programmer.
What does the AT89S51 need to run?
It needs a 4.0 V to 5.5 V supply, a clock crystal with its load capacitors on the XTAL pins, and a reset circuit. Tie the EA pin high to run from internal Flash code, as described in the datasheet.
