Microchip ATMEGA1284-PU, 8bit AVR Microcontroller, ATmega, 20MHz, 128 kB Flash, 44-Pin PDIP
- RS Stock No.:
- 1278235
- Mfr. Prt No.:
- ATMEGA1284-PU
- 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 | 1278235 |
| Product description | Microchip ATMEGA1284-PU, 8bit AVR Microcontroller, ATmega, 20MHz, 128 kB Flash, 44-Pin PDIP |
| Manufacturer / Brand | Microchip |
| Manufacturer part number | ATMEGA1284-PU |
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 | 1278235 |
| Product description | Microchip ATMEGA1284-PU, 8bit AVR Microcontroller, ATmega, 20MHz, 128 kB Flash, 44-Pin PDIP |
| Manufacturer / Brand | Microchip |
| Manufacturer part number | ATMEGA1284-PU |
The foregoing information relates to product sold on, or after, the date shown below.
RS COMPONENTS
| Date | Nov 7, 2024 |
RS Components Pte Ltd Robinson Road, P.O. Box 1582, Singapore 903132
Country of Origin: TH
Product Details
8-Bit megaAVR Microcontrollers, 32KB to 256KB Flash
Here at RS Components we have various megaAVR 8-bit microcontrollers from Atmel. Each of the microcontrollers is based on an enhanced RISC architecture and feature QTouch library support. All the microcontroller types have varying Kb of In-System Programmable Flash, EEPROM and SRAM as well as varying pin and package types.
Types of megaAVR 8-bit microcontrollers
•ATmega32
•ATmega64
•ATmega128
•ATmega324
•ATmega325
•ATmega406
•ATmega640
•ATmega644
•ATmega645
•ATmega1280
•ATmega1281
•ATmega1284
•ATmega2560
•ATmega2561
•ATmega3250
•ATmega6450
Specifications
| Attribute | Value |
| Brand | Microchip |
| Family Name | ATmega |
| Package Type | PDIP |
| Mounting Type | Surface Mount |
| Pin Count | 44 |
| Device Core | AVR |
| Data Bus Width | 8 bit |
| Program Memory Size | 128 kB |
| Maximum Frequency | 20 MHz |
| RAM Size | 16 kB |
| USB Channels | 0 |
| Number of PWM Units | 1 |
| ADC Channels | 8 |
| Typical Operating Supply Voltage | 1.8 → 5.5 V |
| Program Memory Type | Flash |
| Dimensions | 52.57 x 13.97 x 4.44 mm |
| Maximum Operating Temperature | +85 °C |
| ADC Resolution | 10 bit |
| Minimum Operating Temperature | -40 °C |
| Instruction Set Architecture | RISC |
| Number of ADC Units | 1 |
| ADCs | 8 x 10 bit |
| Length | 52.57 mm |
| Maximum Number of Ethernet Channels | 0 |
| Timer Resolution | 8 bit, 16 bit |
| Height | 4.44 mm |
| PWM Channels | 8 |
| Width | 13.97 mm |
| Timers | 1(2 x 16 bit), 1(2 x 8 bit) |
| Pulse Width Modulation | 1 (8 Channel) |
| Number of Timers | 2 |
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