Microchip AT89C2051-24SU, 8bit 8051 Microcontroller, AT89, 24MHz, 2 kB Flash, 20-Pin SOIC
- RS Stock No.:
- 1276613
- Mfr. Prt No.:
- AT89C2051-24SU
- Brand:
- Microchip
Technical Reference
Legislation and Compliance
RoHS Certificate of Compliance
EU Directives 2011/65/EU and 2015/863 restrict the use of the 10 substances below in the manufacture of specified types of electrical equipment.
Whilst this restriction does not legally apply to components, it is recognised that component “compliance” is relevant to many customers.
RS definition of RoHS Compliance:
- The product does not contain any of the restricted substances in concentrations and applications banned by the Directive,
- and for components, the product is capable of being worked on at the higher temperatures required by lead–free soldering
The restricted substances and maximum allowed concentrations in the homogenous material are, by weight:
| Substance | Concentration |
| Lead | 0.1% |
| Mercury | 0.1% |
| PBB (Polybrominated Biphenyls) | 0.1% |
| PBDE ( Polybrominated Diphenyl Ethers) | 0.1% |
| Hexavalent Chromium | 0.1% |
| Cadmium | 0.01% |
| DEHP (Bis (2-Ethylhexl) phthalate) | 0.1% |
| BBP (Benzyl butyl phthalate) | 0.1% |
| DBP (Dibutyl phthalate) | 0.1% |
| DIBP (Diisobutyl phthalate) | 0.1% |
The supplier of the item listed below has informed RS Components that the product is "RoHS Compliant".
RS Components has taken all reasonable steps to confirm this statement. Information relates only to products sold on or after the date of this certificate.
| RS stock number | 1276613 |
| Product description | Microchip AT89C2051-24SU, 8bit 8051 Microcontroller, AT89, 24MHz, 2 kB Flash, 20-Pin SOIC |
| Manufacturer / Brand | Microchip |
| Manufacturer part number | AT89C2051-24SU |
RS Components Ltd, Birchington Road, Corby, Northants, NN17 9RS, UK
Statement of Conformity
This statement confirms that the product detailed below complies with the specifications currently published in the RS media and has been subject to the strict quality conditions imposed by RS Components’ internal management systems. Furthermore and where applicable, it confirms that all relevant semiconductor devices have been handled and packed under conditions that meet the administrative and technical requirements of ANSI/ESD S20.20 and EN61340-5-1 electrostatics control standards.
| RS stock number | 1276613 |
| Product description | Microchip AT89C2051-24SU, 8bit 8051 Microcontroller, AT89, 24MHz, 2 kB Flash, 20-Pin SOIC |
| Manufacturer / Brand | Microchip |
| Manufacturer part number | AT89C2051-24SU |
The foregoing information relates to product sold on, or after, the date shown below.
RS COMPONENTS
| Date | Dec 25, 2024 |
RS Components Pte Ltd Robinson Road, P.O. Box 1582, Singapore 903132
Product Details
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.
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.
Device Family
Single Cycle Core
Flash ISP (In-System Programmable)
Flash (Reprogrammable)
CAN Networking MCUs
USB MCUs
ROMless
Specifications
| Attribute | Value |
| Brand | Microchip |
| Mounting Type | Surface Mount |
| ADC Channels | 0 |
| Program Memory Type | Flash |
| Maximum Frequency | 24 MHz |
| Package Type | SOIC |
| Maximum Operating Temperature | +85 °C |
| USB Channels | 0 |
| Length | 13 mm |
| Number of Timers | 1 |
| Family Name | AT89 |
| Data Bus Width | 8 bit |
| Typical Operating Supply Voltage | 4 → 6 V |
| Timer Resolution | 16 bit |
| Height | 2.35 mm |
| PWM Channels | 0 |
| Width | 7.6 mm |
| Device Core | 8051 |
| Timers | 1(2 x 16 bit) |
| Minimum Operating Temperature | -40 °C |
| Dimensions | 13 x 7.6 x 2.35 mm |
| RAM Size | 128 B |
| Pin Count | 20 |
| Instruction Set Architecture | CISC |
| Program Memory Size | 2 kB |
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