Microchip, 8bit 8051, AT89 Microcontroller, 40 MHz, 60 MHz, 16 kB Flash, 40-Pin PDIL
- RS Stock No.:
- 127-6623P
- Mfr. Part No.:
- AT89C51RB2-3CSUM
- Brand:
- Microchip
Bulk discount available
Subtotal 25 units (supplied in a tube)*
£133.00
(exc. VAT)
£159.50
(inc. VAT)
FREE delivery for orders over £50.00
In Stock
- Plus 142 unit(s) shipping from 27 October 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 25 - 99 | £5.32 |
| 100 + | £5.12 |
*price indicative
- RS Stock No.:
- 127-6623P
- Mfr. Part No.:
- AT89C51RB2-3CSUM
- Brand:
- Microchip
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Microchip | |
| Family Name | AT89 | |
| Package Type | PDIL | |
| Mounting Type | Through Hole | |
| Pin Count | 40 | |
| Device Core | 8051 | |
| Data Bus Width | 8bit | |
| Program Memory Size | 16 kB | |
| Maximum Frequency | 40 MHz, 60 MHz | |
| RAM Size | 1.28 kB | |
| USB Channels | 0 | |
| Number of PWM Units | 1 x 8 bit | |
| Number of SPI Channels | 1 | |
| Typical Operating Supply Voltage | 2.7 → 5.5 V | |
| Number of CAN Channels | 0 | |
| Number of UART Channels | 1 | |
| Program Memory Type | Flash | |
| Length | 53.21mm | |
| ADCs | 0 | |
| Maximum Number of Ethernet Channels | 0 | |
| Number of Ethernet Channels | 0 | |
| Height | 4.95mm | |
| Width | 14.73mm | |
| Dimensions | 53.21 x 14.73 x 4.95mm | |
| Pulse Width Modulation | 1 (5 x 8 bit) | |
| Instruction Set Architecture | CISC | |
| Minimum Operating Temperature | -40 °C | |
| Maximum Operating Temperature | +85 °C | |
| Number of ADC Units | 0 | |
Select all | ||
|---|---|---|
Brand Microchip | ||
Family Name AT89 | ||
Package Type PDIL | ||
Mounting Type Through Hole | ||
Pin Count 40 | ||
Device Core 8051 | ||
Data Bus Width 8bit | ||
Program Memory Size 16 kB | ||
Maximum Frequency 40 MHz, 60 MHz | ||
RAM Size 1.28 kB | ||
USB Channels 0 | ||
Number of PWM Units 1 x 8 bit | ||
Number of SPI Channels 1 | ||
Typical Operating Supply Voltage 2.7 → 5.5 V | ||
Number of CAN Channels 0 | ||
Number of UART Channels 1 | ||
Program Memory Type Flash | ||
Length 53.21mm | ||
ADCs 0 | ||
Maximum Number of Ethernet Channels 0 | ||
Number of Ethernet Channels 0 | ||
Height 4.95mm | ||
Width 14.73mm | ||
Dimensions 53.21 x 14.73 x 4.95mm | ||
Pulse Width Modulation 1 (5 x 8 bit) | ||
Instruction Set Architecture CISC | ||
Minimum Operating Temperature -40 °C | ||
Maximum Operating Temperature +85 °C | ||
Number of ADC Units 0 | ||
8051 Architecture Flash ISP (In-System Programmable) Microcontrollers, Atmel
Atmel offers Flash 8051 microcontrollers featuring In-System Programming (ISP) that they can be programmed with the appropriate software, either in parallel or in serial mode.
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
Flash ISP (In-System Programmable)
Flash (Reprogrammable)
CAN Networking MCUs
USB MCUs
ROMless