PIC18F85J50-I/PT Microchip Integrated Circuit (Quad Flat Packages) In Stock
Microchip PIC18F85J50-I/PT is an 8-bit PIC18 microcontroller running up to 48 MHz with 32 KB Flash, 3904 bytes RAM, USB 2.0 full-speed device interface, and a rich peripheral set in an 80-pin TQFP package. It supports operation down to 2V at 8 MHz for low-power designs. Available from authorized global distributors with standard lead times.
- Manufacturer
- Microchip
- Package
- Quad Flat Packages
- Pin Count
- 80
- Lifecycle
- ACTIVE
- Datasheet
- PIC18F85J50-I/PT Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $3.6006(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of PIC18F85J50-I/PT?
- 8-bit PIC18 core up to 48 MHz with 32 KB Flash and 3904 bytes SRAM
- Full-speed USB 2.0 device interface at 12 Mbps enabling direct PC connectivity
- Operates down to 2V at 8 MHz for low-power battery-backed applications
- 80-pin TQFP package providing up to 70 I/O pins for high pin-count system designs
- 10-bit ADC with up to 13 channels for multi-input analog signal acquisition
- Multiple serial interfaces: SPI, I2C, USART, and USB on a single device
What is PIC18F85J50-I/PT used for?
The PIC18F85J50-I/PT is well-suited for USB-connected data loggers, HID devices, and embedded control panels that require full-speed USB 2.0 alongside extensive I/O and analog peripherals in a single 8-bit microcontroller. Its 80-pin TQFP package provides enough GPIO for complex keyboard matrix scanning, LCD interfacing, and multi-channel sensor acquisition simultaneously. The device is also used in industrial control applications where USB configuration or firmware update capability is needed without a separate USB interface IC.
What are the specifications of PIC18F85J50-I/PT?
| Pbfree Code | Yes |
| Manufacturer Package Code | TQFP-80 |
| Factory Lead Time | 6Weeks |
| YTEOL | 8 |
| Has ADC | YES |
| Additional Feature | ALSO OPERATES AT 2V MINIMUM SUPPLY AT 8 MHZ |
| Bit Size | 8 |
| Boundary Scan | NO |
| CPU Family | PIC18 |
| Clock Frequency-Max | 48MHz |
| DAC Channels | NO |
| DMA Channels | NO |
| Format | FIXED POINT |
| Integrated Cache | NO |
| JESD-30 Code | S-PQFP-G80 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of External Interrupts | 4 |
| Number of I/O Lines | 67 |
| Number of Serial I/Os | 2 |
| Number of Timers | 7 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TQFP80,.55SQ |
| Package Shape | SQUARE |
| Package Style | FLATPACK, THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 3904 |
| ROM (words) | 32768 |
| ROM Programmability | FLASH |
| Screening Level | TS 16949 |
| Speed | 48MHz |
| Supply Current-Max | 24.1mA |
| Supply Voltage-Max | 3.6V |
| Supply Voltage-Min | 2V |
| 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 |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Quad Flat Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | 3A991.A.2 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Thailand |
Where can I find the PIC18F85J50-I/PT datasheet?
PIC18F85J50-I/PT Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for PIC18F85J50-I/PT?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What USB specification does the PIC18F85J50 support and what data transfer speed can it achieve?
The PIC18F85J50 integrates a full-speed USB 2.0 device controller operating at 12 Mbps, supporting USB HID, CDC, and Mass Storage class implementations without an external USB chip. The on-chip USB transceiver handles D+/D- signaling directly, reducing BOM cost and simplifying board layout compared to solutions using external USART-to-USB bridge ICs.
How much Flash and RAM does the PIC18F85J50 provide for a complex embedded firmware application?
The PIC18F85J50 offers 32 KB of Flash program memory and 3904 bytes of SRAM, which is substantially larger than the 1–2 KB SRAM of many PIC18 variants. This memory depth supports USB stack libraries, communication protocol buffers, and real-time operating system kernels such as FreeRTOS, enabling more sophisticated firmware than is possible on smaller-memory PIC18 devices.
What is the minimum operating voltage of the PIC18F85J50-I/PT, and how does it affect performance?
The PIC18F85J50-I/PT operates down to 2.0V, running at up to 8 MHz at that minimum supply. At the standard 3.3V supply it runs at full 48 MHz speed with USB active. This wide supply range makes it usable in battery-powered USB accessories that operate from two AA cells (approximately 3V nominal) or regulated 3.3V USB bus power.
For a multi-sensor data acquisition board, how many I/O and analog input pins does the PIC18F85J50 provide?
The PIC18F85J50 in the 80-pin TQFP package offers up to 70 general-purpose I/O pins and 13 ADC channels with 10-bit resolution. This high I/O density allows a single device to simultaneously manage LCD segment drivers, keypad matrix inputs, 4–20 mA analog sensor channels, and serial communication interfaces on one compact PCB without I/O expanders.
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More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $4.4430 | $4.44 |
| 20+ | $3.8304 | $76.61 |
| 50+ | $3.6006 | $180.03 |
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