PIC18F47Q84-E/PT Microchip Integrated Circuit (Quad Flat Packages) In Stock
The PIC18F47Q84-E/PT is a Microchip 8-bit PIC18 microcontroller running up to 64 MHz, featuring integrated ADC, DAC, DMA channels, and JTAG boundary scan in a 44-pin TQFP package. It targets embedded control applications in the industrial temperature grade E (-40 °C to 125 °C) with extensive on-chip peripherals for reducing external component count in compact designs.
- Manufacturer
- Microchip
- Package
- Quad Flat Packages
- Pin Count
- 44
- Lifecycle
- ACTIVE
- Datasheet
- PIC18F47Q84-E/PT Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.6500(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 64 MHz maximum clock frequency from the 8-bit PIC18 core enables fast peripheral servicing and tight timing loops
- Integrated ADC, DAC, and DMA channels reduce external component count in multi-sensor embedded designs
- 44-pin TQFP (TQFP-44) package provides ample I/O while remaining compact for space-constrained PCBs
- JTAG boundary scan support simplifies board-level testing and in-circuit debugging of the PIC18F47Q84
- Industrial temperature grade E covers -40 °C to 125 °C for harsh-environment embedded control applications
Applications
The PIC18F47Q84-E/PT is well suited for industrial embedded control applications such as HVAC controllers, motor-speed regulators, and smart sensor nodes where 8-bit processing at 64 MHz is sufficient and on-chip DMA and DAC peripherals reduce external component cost. Its wide -40 °C to 125 °C temperature range makes it reliable in outdoor environmental monitors, automotive accessory controllers, and industrial PLCs exposed to thermal extremes. The integrated ADC and JTAG boundary scan also make it a strong candidate for data-logging instruments and test fixtures where analog acquisition and in-circuit testability are both required.
Specifications
| Manufacturer Package Code | TQFP-44 |
| Factory Lead Time | 6Weeks |
| YTEOL | 19 |
| Has ADC | YES |
| Bit Size | 8 |
| Boundary Scan | YES |
| CPU Family | PIC18 |
| Clock Frequency-Max | 64MHz |
| DAC Channels | YES |
| DMA Channels | YES |
| Format | FIXED POINT |
| Integrated Cache | NO |
| JESD-30 Code | S-PQFP-G44 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of DMA Channels | 8 |
| Number of External Interrupts | 3 |
| Number of I/O Lines | 36 |
| Number of Serial I/Os | 5 |
| Number of Timers | 11 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TQFP44,.39SQ,31 |
| Package Shape | SQUARE |
| Package Style | FLATPACK, THIN PROFILE |
| RAM (bytes) | 12800 |
| RAM (words) | 12800 |
| ROM (words) | 131072 |
| ROM Programmability | FLASH |
| Speed | 64MHz |
| Supply Current-Max | 13.8mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 1.8V |
| Supply Voltage-Nom | 3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.8mm |
| Terminal Position | QUAD |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Quad Flat Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PIC18F47Q84-E/PT:
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 64MHz, CMOS, PQFP44
Microchip Technology Inc CAN-FD,128KB Flash,13KB RAM,1KB EE,12-bit ADC3, DAC, DSM, PWMS, CIPS, I2C/SPI,
128KB Flash, 4KB RAM, 1KB EE, 12-bit ADC2, Vector Interrupts, DMA, MAP, DIA,
128KB Flash, 4KB RAM, 1KB EE, 10b ADC2, DAC, COMP, PWM, CWG, HLT, WWDT,
Frequently Asked Questions
What is the maximum clock frequency of PIC18F47Q84-E/PT, and how does 64 MHz performance suit embedded control loops?
The PIC18F47Q84-E/PT operates at a maximum clock frequency of 64 MHz, which translates to 16 MIPS throughput on the single-cycle PIC18 instruction pipeline. This is sufficient for most embedded control loops running at 1 kHz to 10 kHz update rates, leaving ample headroom for UART communication, SPI sensor polling, and DMA-driven ADC sampling simultaneously. The 64 MHz core paired with on-chip DMA channels allows background data transfers without halting the CPU.
Which analog peripherals are integrated into PIC18F47Q84-E/PT, and how do they simplify sensor interface design?
The PIC18F47Q84-E/PT integrates an ADC, DAC channels, and DMA channels on-chip, enabling direct digitization of analog sensor outputs and generation of analog control signals without external conversion ICs. The ADC can sample multiple input channels and transfer results to memory via DMA, freeing the 8-bit PIC18 CPU for control computation. The DAC outputs can directly drive analog actuators or reference inputs, reducing the bill-of-materials cost and PCB area compared to designs requiring external DAC ICs.
How does the -E temperature suffix on PIC18F47Q84-E/PT qualify it for industrial use, and what junction temperatures are covered?
The '-E' suffix designates the extended industrial temperature grade, specifying operation from -40 °C to 125 °C ambient temperature. This range covers the full spectrum of industrial cabinet environments, outdoor enclosures, and under-hood automotive accessory applications without derating the 64 MHz clock or analog peripheral performance. Designs in standard commercial grade (-40 °C to 85 °C) applications can use PIC18F47Q84 with equal confidence, while the E grade provides additional margin for worst-case thermal scenarios.
What does the JTAG boundary scan on PIC18F47Q84-E/PT enable during production PCB testing?
JTAG boundary scan per IEEE 1149.1 on the PIC18F47Q84-E/PT allows the 44-pin TQFP solder joints and PCB traces to be tested in-circuit without powering the application firmware. Test vectors can verify that all 44 pins are correctly soldered and connected to their intended nets, catching opens and shorts that would otherwise require powered functional testing. JTAG is also used for in-circuit programming and debugging via Microchip's MPLAB PICkit or ICD tools, enabling firmware updates on assembled boards.
For a compact motor-control PCB, how does the 44-pin TQFP of PIC18F47Q84-E/PT compare to DIP alternatives in board space?
The 44-pin TQFP (TQFP-44) package has a body size of approximately 10 mm × 10 mm with a 0.8 mm pin pitch, occupying roughly 100 mm² of board area. An equivalent 40-pin DIP package would require a through-hole socket or direct insertion footprint of approximately 500 mm², five times larger. For motor-control PCBs where space is shared with gate drivers, current shunts, and power MOSFETs, the TQFP-44 footprint of PIC18F47Q84-E/PT frees significant board real estate compared to DIP alternatives.
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