Microchip ATMEGA644-20AU
Manufacturer No:
ATMEGA644-20AU
Manufacturer:
Microchip
Package:
44-TQFP
Description:
ATmega644
Quantity:
In Stock :3608
Looking for price or availability? Send us an RFQ and our sales team will respond quickly.
Shipping & Availability
Fast worldwide shipping via DHL, FedEx, UPS, and EMS.
Shipped from：HK Warehouse
Expected Shipping：Thu, May 28 - Fri, May 29, 2026
Lead Time：Inquire about availability
Date Code：Within 2 Years
Payment
We support multiple secure payment methods including PayPal, Visa, MasterCard, and American Express. All transactions are protected with advanced encryption to ensure secure and reliable payments.
Authenticity Guarantee
All components supplied by Aichiplink are sourced from trusted global suppliers and verified through strict in-house inspection and quality control procedures.
Quality Assurance
Certified in-house inspection and testing facilities ensure all components meet internationally recognized quality standards.
User Guide
Aichiplink operates certified in-house inspection and testing facilities to ensure all electronic components meet internationally recognized quality and compliance standards. Our quality management system is verified through ISO 9001 certification and industry-standard inspection procedures.
PURCHASE
Please verify all part numbers, quantities, and packaging preferences before placing your order. If substitutions are acceptable, please indicate this clearly. For time-sensitive projects, confirm estimated delivery dates and stock availability in advance. Once submitted, changes or cancellations may not be possible, especially for items marked as non-cancellable/non-returnable (NCNR). For international shipments, please ensure all import documentation is complete and accurate to avoid delays.
MEANS OF PAYMENTFor your convenience, we accept multiple payment methods in USD, including PayPal, Credit Card, and Wire Transfer. Net terms may be available for qualified customers upon approval.
RFQ (REQUEST FOR QUOTATIONS)Please ensure the part numbers and quantities are accurate and complete when submitting your RFQ.
Provide target prices and acceptable alternatives, if any, to speed up the quotation process.
Quotations are subject to stock availability and may vary with market conditions. Prices and lead times are not guaranteed until a purchase order is confirmed. Ensure your contact details are correct to avoid delays in response.
Step1：Prepare product
Step2：Desiccant Protection
Step3：Vacuum Packaging
Step4：Individual Package
Step5：Anti-collision Filling
Step6：Packaging Box
SHIPPING COST
1. Shipping starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).
2. Some specific products need to reach the minimum order quantity.
3. It may cost additional remote fees for delivery if you are in a remote area.
Currently, our products are shipped through DHL, FedEx, SF, and UPS.
DELIVERY TIME1. Once the goods are shipped, estimated delivery time depends on the shipping methods you chose: FedEx International, 5-7 business days.
2. For in-stock parts, orders normally could be shipped out within 1-2days.
ATMEGA644-20AU Information
Microchip ATMEGA644-20AU technical specifications, attributes, parameters and parts with similar specifications to Microchip ATMEGA644-20AU.
- Type
- Parameter
- Program Memory Size (KB)
- 64
- RAM
- 4096
- Data EEPROM (bytes)
- 2048
- Pin Count
- 44
- Operation Voltage Max.(V)
- 5.5
- Operation Voltage Min.(V)
- 1.8
- ADC Resolution Max
- 10
- ADC Channels
- 8
- Zero Cross Detect
- False
- Number of Comparators
- 1
- Type
- Parameter
- SPI
- 3
- I2C
- 1
- Stand alone PWM
- 6
- Low Power
- No
- Numerically Controlled Oscillator (NCO)
- 0
- Data Signal Modulator (DSM)
- 0
Download datasheets and manufacturer documentation for Microchip ATMEGA644-20AU.
Supporting Collateral:
Reference Manual:
Application Notes:
Mature product; not recommended for new designs. Replaced by ATmega644PA.
AIChipLink – Your Trusted Electronic Components Distributor
12.28 M
Listed Part Number
3,000+
Leading Manufacturers
4.9 M
In-stock SKU
15,000+
Warehouse Area(㎡)
