Microchip, 8bit 8051, AT89 Microcontroller, 40 MHz, 60 MHz, 16 kB Flash, 40-Pin PDIL
- RS Stock No.:
- 127-6623
- Mfr. Part No.:
- AT89C51RB2-3CSUM
- Manufacturer:
- Microchip
Bulk discount available
Subtotal (1 unit)*
SGD10.19
(exc. GST)
SGD11.11
(inc. GST)
FREE delivery for orders over $150, or create a business account to enjoy free delivery from just $28
In Stock
- 3 unit(s) ready to ship from another location
- Plus 138 unit(s) shipping from 12 December 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 - 24 | SGD10.19 |
| 25 - 99 | SGD9.88 |
| 100 + | SGD9.59 |
*price indicative
- RS Stock No.:
- 127-6623
- Mfr. Part No.:
- AT89C51RB2-3CSUM
- Manufacturer:
- 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 | |
| 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 | |
| Number of CAN Channels | 0 | |
| Number of UART Channels | 1 | |
| Typical Operating Supply Voltage | 2.7 → 5.5 V | |
| Number of Ethernet Channels | 0 | |
| Dimensions | 53.21 x 14.73 x 4.95mm | |
| Width | 14.73mm | |
| Height | 4.95mm | |
| Length | 53.21mm | |
| Maximum Operating Temperature | +85 °C | |
| Number of ADC Units | 0 | |
| Pulse Width Modulation | 1 (5 x 8 bit) | |
| ADCs | 0 | |
| Maximum Number of Ethernet Channels | 0 | |
| Instruction Set Architecture | CISC | |
| Program Memory Type | Flash | |
| Minimum Operating Temperature | -40 °C | |
| 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 | ||
Number of CAN Channels 0 | ||
Number of UART Channels 1 | ||
Typical Operating Supply Voltage 2.7 → 5.5 V | ||
Number of Ethernet Channels 0 | ||
Dimensions 53.21 x 14.73 x 4.95mm | ||
Width 14.73mm | ||
Height 4.95mm | ||
Length 53.21mm | ||
Maximum Operating Temperature +85 °C | ||
Number of ADC Units 0 | ||
Pulse Width Modulation 1 (5 x 8 bit) | ||
ADCs 0 | ||
Maximum Number of Ethernet Channels 0 | ||
Instruction Set Architecture CISC | ||
Program Memory Type Flash | ||
Minimum Operating Temperature -40 °C | ||
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.
For these non-cancellable (NC), and non-returnable (NR) products, Terms and Conditions apply.
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
Related links
- Microchip AT89 Microcontroller 60 MHz 40-Pin PDIL
- Microchip AT89 Microcontroller 60 MHz 44-Pin PLCC
- Microchip AT89 Microcontroller 4 kB Flash, 40-Pin PDIP
- Microchip AT89 Microcontroller 20 kB Flash, 40-Pin PDIP
- Microchip AT89 Microcontroller 12 kB Flash, 40-Pin PDIP
- Microchip AT89 Microcontroller 8 kB Flash, 40-Pin PDIP
- Microchip AT89 Microcontroller 60 MHz 44-Pin PLCC
- Microchip AT80 Microcontroller 40-Pin PDIL