Microchip, 8 bit 8051, AT89C4051 Microcontroller, 4 MHz, 4kB FLASH, 20-Pin PDIP
- RS Stock No.:
- 127-6615P
- Mfr. Part No.:
- AT89C4051-24PU
- Brand:
- Microchip
This image is representative of the product range
Bulk discount available
Subtotal 25 units (supplied in a tube)*
$87.90
(exc. GST)
$101.075
(inc. GST)
FREE delivery for orders over $60.00 ex GST
In Stock
- Plus 190 unit(s) shipping from 22 December 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 25 - 95 | $3.516 |
| 100 + | $3.364 |
*price indicative
- RS Stock No.:
- 127-6615P
- Mfr. Part No.:
- AT89C4051-24PU
- Brand:
- Microchip
Specifications
Technical data sheets
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Microchip | |
| Product Type | Microcontroller | |
| Series | AT89C4051 | |
| Package Type | PDIP | |
| Mount Type | Surface | |
| Pin Count | 20 | |
| Device Core | 8051 | |
| Data Bus Width | 8bit | |
| Program Memory Size | 4kB | |
| Maximum Clock Frequency | 4MHz | |
| RAM Size | 128bit | |
| Maximum Supply Voltage | 5.5V | |
| Number of Programmable I/Os | 25 | |
| Analogue Comparators | 2 | |
| Minimum Operating Temperature | -40°C | |
| Maximum Power Dissipation Pd | 1W | |
| Maximum Operating Temperature | 85°C | |
| Standards/Approvals | No | |
| Length | 26.92mm | |
| Height | 4.953mm | |
| Width | 7.11 mm | |
| Minimum Supply Voltage | 2V | |
| Number of Timers | 1 | |
| Program Memory Type | FLASH | |
| Automotive Standard | No | |
| Instruction Set Architecture | CISC | |
| Select all | ||
|---|---|---|
Brand Microchip | ||
Product Type Microcontroller | ||
Series AT89C4051 | ||
Package Type PDIP | ||
Mount Type Surface | ||
Pin Count 20 | ||
Device Core 8051 | ||
Data Bus Width 8bit | ||
Program Memory Size 4kB | ||
Maximum Clock Frequency 4MHz | ||
RAM Size 128bit | ||
Maximum Supply Voltage 5.5V | ||
Number of Programmable I/Os 25 | ||
Analogue Comparators 2 | ||
Minimum Operating Temperature -40°C | ||
Maximum Power Dissipation Pd 1W | ||
Maximum Operating Temperature 85°C | ||
Standards/Approvals No | ||
Length 26.92mm | ||
Height 4.953mm | ||
Width 7.11 mm | ||
Minimum Supply Voltage 2V | ||
Number of Timers 1 | ||
Program Memory Type FLASH | ||
Automotive Standard No | ||
Instruction Set Architecture CISC | ||
8051 Architecture Flash (Reprogrammable) Microcontrollers
Atmel offers 8051 reprogrammable flash microcontrollers with programmable and erasable read-only memory, using high-density non-volatile memory technology.
8051 Architecture Microcontrollers
Atmel's 8-bit microcontrollers (MCUs) based on the 8051 instruction set, combine proven technology with the latest features and functionality, with all featuring advanced flash memory.
Device Family
Single Cycle Core
Flash ISP (In-System Programmable)
Flash (Reprogrammable)
CAN Networking MCUs
USB MCUs
ROMless
