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ATMEGA644P-20AU
Microchip Technology
64KB 32K x 16 FLASH AVR 8-Bit Microcontroller AVR® ATmega Series ATMEGA644P 44 Pin 20MHz 5V 44-TQFP
SOT-23
ATMEGA644P-20AU Datasheet PDF
non-compliant
| Parameter Name | Value |
|---|---|
| Type | Parameter |
| Factory Lead Time | 7 Weeks |
| Lifecycle Status | Production (Last Updated: 2 years ago) |
| Package / Case | 44-TQFP |
| Mounting Type | Surface Mount |
| Mount | Surface Mount |
| Contact Plating | Tin |
| Surface Mount | YES |
| Number of Pins | 44 |
| Supplier Device Package | 44-TQFP (10x10) |
| Number of Terminals | 44 |
| Mounting Style | SMD/SMT |
| Data Converters | A/D 8x10b |
| MSL | MSL 3 - 168 hours |
| Qualification | - |
| Interfaces | I2C, SPI, UART |
| Family Name | ATmega |
| Instruction Set Architecture | RISC |
| Dimensions | 10.1 x 10.1 x 1.05mm |
| Typical Operating Supply Voltage | 2.7 → 5.5 V |
| Package Type | TQFP |
| Maximum Operating Temperature | +85 °C |
| Minimum Operating Temperature | -40 °C |
| Number of I/Os | 32 I/O |
| Interface Type | 2-Wire, SPI, UART |
| Manufacturer | Microchip |
| Brand | Microchip Technology / Atmel |
| Tradename | AVR |
| RoHS | Details |
| Schedule B | 8542310000 |
| Package | Tray |
| Base Product Number | ATMEGA644 |
| Mfr | Microchip Technology |
| Product Status | Active |
| Package Shape | SQUARE |
| Number of I/O Lines | 32 |
| Published | 1997 |
| Series | AVR® ATmega |
| Packaging | Tray |
| Operating Temperature | -40°C~85°C TA |
| JESD-609 Code | e3 |
| Pbfree Code | yes |
| Part Status | Active |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| Number of Terminations | 44 |
| Terminal Finish | Matte Tin (Sn) |
| Max Operating Temperature | 85 °C |
| Min Operating Temperature | -40 °C |
| Additional Feature | IT ALSO OPERATES AT 10 MHZ WITH THE 2.7 V |
| Terminal Position | QUAD |
| Terminal Form | GULL WING |
| Peak Reflow Temperature (Cel) | 260 |
| Supply Voltage | 5V |
| Terminal Pitch | 0.8 mm |
| Reach Compliance Code | compliant |
| Frequency | 20MHz |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| Base Part Number | ATMEGA644P |
| Pin Count | 44 |
| JESD-30 Code | S-PQFP-G44 |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 5.5V |
| Power Supplies | 3/5 V |
| Temperature Grade | INDUSTRIAL |
| Supply Voltage-Min (Vsup) | 4.5V |
| Interface | 2-Wire, I2C, SPI, UART, USART |
| Max Supply Voltage | 5.5 V |
| Min Supply Voltage | 2.7 V |
| Memory Size | 64kB |
| Oscillator Type | Internal |
| Number of I/O | 32 |
| Speed | 20MHz |
| RAM Size | 4K x 8 |
| Memory Type | EEPROM, FLASH |
| Voltage - Supply (Vcc/Vdd) | 2.7V~5.5V |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Number of Bits | 8 |
| Core Processor | AVR |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Program Memory Type | FLASH |
| Core Size | 8-Bit |
| Program Memory Size | 64KB 32K x 16 |
| Connectivity | I2C, SPI, UART/USART |
| Supply Current-Max | 9 mA |
| Bit Size | 8 |
| Data Converter | A/D 8x10b |
| Watchdog Timer | Yes |
| Access Time | 20 μs |
| Has ADC | YES |
| DMA Channels | NO |
| Data Bus Width | 8b |
| PWM Channels | YES |
| DAC Channels | NO |
| Seated Height-Max | 1.2 mm |
| Number of Timers/Counters | 3 |
| Address Bus Width | 8b |
| Product Type | 8-bit Microcontrollers - MCU |
| Density | 512 kb |
| ROM (words) | 32768 |
| Core Architecture | AVR |
| EEPROM Size | 2K x 8 |
| CPU Family | AVR RISC |
| Max Frequency | 20 MHz |
| Number of Programmable I/O | 32 |
| RAM (bytes) | 4096 |
| Number of ADC Channels | 8 |
| ROM Programmability | FLASH |
| Number of PWM Channels | 6 |
| Number of I2C Channels | 1 |
| Number of SPI Channels | 1 |
| Product | MCU |
| Product Category | 8-bit Microcontrollers - MCU |
| Device Core | AVR |
| Width | 10.1mm |
| Length | 10.1mm |
| Height | 1.05mm |
| RoHS Status | ROHS3 Compliant |
| Radiation Hardening | No |
| REACH SVHC | No SVHC |
| Lead Free | Lead Free |
| Quantity | Unit Price | Ext. Price |
| 1 | $7.58000 | $7.58 |
| 500 | $7.5042 | $3752.1 |
| 1000 | $7.4284 | $7428.4 |
| 1500 | $7.3526 | $11028.9 |
| 2000 | $7.2768 | $14553.6 |
| 2500 | $7.201 | $18002.5 |
Packaged in a 44-TQFP format, this MCU is available in a compact size. 32 I/Os are available. Using the Mounting Type Surface Mount, the MCU is mounted on PCB. As the name implies, this Microcontroller is based on the 8-Bit core. The type of its program memory is FLASH. -40°C~85°C TA is the temperature range at which this Microcontroller operates. An electrical component of this type belongs to the AVR® ATmega series. 64KB 32K x 16 is the size of its program memory. The AVR Core Processor powers the device and is one of its key features. This Microcontroller belongs to the MICROCONTROLLER, RISC uPs/uCs/peripheral ICs type. 44 is the number of terminations on the IC chip that are present. 8-bits are used in Microcontroller. Input voltage for the chip is 5V volts. Currently, MCU chip has NO DMA channels. The part has a memory size of 64kB. ATMEGA644P serves as a base part number to find alternatives. The efficiency of this device can be improved when operating at a frequency of 20MHz. On the chip, there are 44 pins that are accessible. Using the timer/counter system, it has 3 timers/counters. There is a EEPROM, FLASH memory feature on this equipment. The ADC channels on this device total 8 in number. A total of 6 PWM channels are used by the device. There are 1 I2C channels included in the part, which has been designed for the purpose.
44-TQFP package
Mounting type of Surface Mount
Microcontrollers subcategory
There are a lot of Microchip Technology ATMEGA644P-20AU Microcontroller applications.
Hard drives
Paper shredders
Firewalls
Plant factories
Keyboards
Light sensing & controlling devices
Calculator
Oil and gas
Dialysis machines
Answering machines
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