AVR128DB64-I/PT Microchip Integrated Circuit (Quad Flat Packages) In Stock
AVR128DB64-I/PT is an 8-bit AVR microcontroller from Microchip in a 64-pin TQFP package, featuring 128 KB flash, 24 MHz clock, 12-bit ADC, DAC, Op-Amp, UART, SPI, TWI, MVIO, and ZCD for mixed-signal embedded control. It operates up to 85°C and provides expanded I/O for complex peripheral interfacing. Available worldwide with a 7-week factory lead time.
- Manufacturer
- Microchip
- Package
- Quad Flat Packages
- Pin Count
- 64
- Lifecycle
- ACTIVE
- Datasheet
- AVR128DB64-I/PT Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.6800(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 128 KB flash with 24 MHz AVR CPU providing sufficient performance for real-time control and communication stacks
- Integrated 12-bit ADC, DAC, Op-Amp, and ZCD enabling complete analog signal chain in a single 64-pin IC
- Multi-Voltage I/O (MVIO) supporting mixed 1.8 V and 3.3 V interfaces on a 64-pin TQFP for multi-rail designs
- 64-pin TQFP-64 package exposing maximum I/O count for complex peripheral and display interfacing applications
Applications
The AVR128DB64-I/PT targets feature-rich embedded designs including industrial HMI controllers, multi-axis motor drive platforms, and smart energy meters that require extensive I/O expansion alongside precision analog acquisition via its 12-bit ADC. The 64-pin TQFP package provides sufficient GPIO for simultaneous UART, SPI, and TWI buses plus dedicated analog inputs, reducing external multiplexer requirements. Its integrated Op-Amp and ZCD allow direct connection to AC sensing circuits for power quality monitoring without additional signal conditioning components.
Specifications
| Manufacturer Package Code | TQFP-64 |
| Factory Lead Time | 7Weeks |
| YTEOL | 19 |
| Has ADC | YES |
| Bit Size | 8 |
| Boundary Scan | NO |
| CPU Family | AVR |
| Clock Frequency-Max | 24MHz |
| DAC Channels | YES |
| DMA Channels | NO |
| Format | FIXED POINT |
| Integrated Cache | NO |
| JESD-30 Code | S-PQFP-G64 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of External Interrupts | 55 |
| Number of I/O Lines | 55 |
| Number of Serial I/Os | 6 |
| Number of Timers | 8 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TQFP64,.47SQ |
| Package Shape | SQUARE |
| Package Style | FLATPACK, THIN PROFILE, FINE PITCH |
| RAM (bytes) | 16384 |
| RAM (words) | 16384 |
| ROM (words) | 131072 |
| ROM Programmability | FLASH |
| Speed | 24MHz |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 3V |
| Supply Voltage-Nom | 3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Quad Flat Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| HTS Code | 8542.31.00.15 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for AVR128DB64-I/PT:
suggested
suggested
suggested
suggested
suggested
suggested
suggested
RISC Microcontroller, 8-Bit, FLASH, AVR CPU, 24MHz, CMOS, PQFP64
RISC Microcontroller, 8-Bit, FLASH, AVR CPU, 24MHz, CMOS, PQFP64
RISC Microcontroller, 8-Bit, FLASH, AVR CPU, 24MHz, CMOS, PQFP64
RISC Microcontroller, 8-Bit, FLASH, AVR CPU, 24MHz, CMOS, PQFP64
RISC Microcontroller, 8-Bit, FLASH, AVR CPU, 24MHz, CMOS, PQFP64
RISC Microcontroller, 8-Bit, FLASH, AVR CPU, 24MHz, CMOS, PQFP64
Frequently Asked Questions
How does the 64-pin TQFP package of the AVR128DB64-I/PT expand design possibilities compared to the 28-pin AVR128DB28?
The 64-pin TQFP package of the AVR128DB64-I/PT provides approximately 2.3x more I/O pins than the 28-pin SPDIP variant, enabling simultaneous use of multiple UART ports, a full SPI display interface, TWI bus, and 12-bit ADC channels without GPIO multiplexing. Designers can connect an SPI TFT display, 8-channel sensor ADC, and UART telemetry link concurrently, which is not feasible in the 28-pin package.
For a smart energy meter using the AVR128DB64-I/PT, how does the Zero-Cross Detector support AC measurement accuracy?
The built-in ZCD in the AVR128DB64-I/PT detects AC zero crossings with a latency under 1 µs, triggering ADC sampling synchronized to the 50 Hz or 60 Hz grid cycle. This allows RMS voltage and current calculation across 256 samples per cycle at 24 MHz, achieving measurement accuracy better than ±0.5% without external zero-cross detection circuits or optocouplers.
When is the AVR128DB64-I/PT a cost-effective alternative to a 32-bit microcontroller for multi-peripheral embedded control?
The AVR128DB64-I/PT running at 24 MHz with 8 MIPS throughput handles applications requiring up to 4 simultaneous serial interfaces, 12-bit analog sampling at 1 MSPS, and MVIO level translation, all tasks that typically justify a 32-bit MCU. For designs where flash size below 128 KB and 8-bit data paths are acceptable, the AVR128DB64-I/PT provides a lower-cost solution while operating up to 85°C, meeting the same thermal requirements as most industrial 32-bit alternatives.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $2.2300 | $2.23 |
| 50+ | $2.2100 | $110.50 |
| 100+ | $1.9200 | $192.00 |
| 1000+ | $1.7600 | $1760.00 |
| 5000+ | $1.6800 | $8400.00 |
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