PIC16F819-I/ML Microchip Integrated Circuit (Quad Flat No-Lead) In Stock
PIC16F819-I/ML is an 8-bit PIC16 microcontroller with up to 20 MHz clock, 256-byte RAM, and 18 I/O pins. Features built-in ADC, EEPROM, and SPI/I2C peripherals for embedded control. Available in compact VQFN-28 package with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Quad Flat No-Lead
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- PIC16F819-I/ML Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.7300(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
- 8-bit PIC16 CPU core running up to 20 MHz for efficient real-time embedded control
- Integrated 10-bit ADC channels enabling direct analog sensor interfacing without external components
- On-chip EEPROM data memory providing non-volatile storage for configuration and calibration values
- SPI and I2C hardware peripherals supporting multi-device communication in 28-pin VQFN package
Applications
PIC16F819-I/ML is well suited for low-power sensor interfaces, industrial control panels, and home automation nodes where 8-bit processing and integrated ADC reduce external component count. Its compact VQFN-28 footprint and 20 MHz operating frequency make it an effective choice for space-constrained consumer electronics and battery-operated data loggers. The combination of EEPROM, SPI, and I2C peripherals supports a wide range of embedded measurement and motor-control applications.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | VQFN-28 |
| Factory Lead Time | 6Weeks |
| YTEOL | 8 |
| Has ADC | YES |
| Bit Size | 8 |
| Boundary Scan | NO |
| CPU Family | PIC16 |
| Clock Frequency-Max | 20MHz |
| DAC Channels | NO |
| DMA Channels | NO |
| Format | FIXED POINT |
| Integrated Cache | NO |
| JESD-30 Code | S-PQCC-N28 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of External Interrupts | 1 |
| Number of I/O Lines | 16 |
| Number of Timers | 5 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC28,.24SQ,25 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, VERY THIN PROFILE, HEAT SINK/SLUG |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 256 |
| ROM (words) | 3584 |
| ROM Programmability | FLASH |
| Screening Level | TS 16949 |
| Speed | 20MHz |
| Supply Current-Max | 4.2mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 4V |
| Supply Voltage-Nom | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.65mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| HTS Code | 8542.31.00.15 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PIC16F819-I/ML:
Frequently Asked Questions
What is the maximum clock frequency of the PIC16F819-I/ML and how does it affect throughput?
The PIC16F819-I/ML operates at up to 20 MHz, delivering up to 5 MIPS since each instruction executes in 4 clock cycles. This clock rate supports responsive real-time control loops in embedded systems while keeping power consumption low.
How many ADC channels does the PIC16F819-I/ML provide for analog signal acquisition?
The PIC16F819-I/ML integrates a 10-bit ADC with multiple input channels, allowing direct connection of analog sensors such as temperature, pressure, or light transducers. This eliminates the need for an external ADC IC in most low-speed measurement designs targeting 8-bit microcontroller cost points.
Which compact packaging option does the PIC16F819-I/ML use and what are its board-space implications?
The PIC16F819-I/ML is housed in a 28-pin VQFN (QFN) package measuring approximately 4 mm x 4 mm, offering a very small PCB footprint. This makes it suitable for space-constrained designs such as wearable electronics or densely populated industrial control boards.
When would PIC16F819-I/ML be preferred over a larger PIC16 variant for a new embedded design?
PIC16F819-I/ML is preferred when the application requires 18 I/O pins, 256 bytes of RAM, and on-chip EEPROM in a compact 28-pin VQFN form factor at minimal cost. It suits designs where a 20 MHz 8-bit core is sufficient and reducing PCB area and BOM cost are higher priorities than expanded memory or peripheral count.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
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| 100+ | $3.0000 | $300.00 |
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| 5000+ | $2.7300 | $13650.00 |
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