PIC18F6722T-E/PT - 8-Bit 25MHz 128KB Flash MCU 64-TQFP | Microchip
MPN: PIC18F6722T-E/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $14.5 | $14.50 |
| 10 | $13.05 | $130.50 |
| 100 | $11.6 | $1,160.00 |
| 500 | $10.44 | $5,220.00 |
| 1,000 | $9.28 | $9,280.00 |
PIC18F6722T-E/PT Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, working RAM, and a rich set of peripheral interfaces into one IC. The PIC18 family is Microchip's 8-bit enhanced architecture with a 16-bit instruction word and 8-bit data path, positioned above the baseline PIC16 and below the 16-bit dsPIC/PIC24 families in the 8-/16-bit microcontroller taxonomy (microcontroller -> embedded MCU -> 8-bit MCU -> PIC architecture -> PIC18 enhanced family). Within power management of embedded systems, MCUs replace discrete logic by consolidating timing, glue logic, and communication handling on one programmable device.
Key features of the PIC18F6722T-E/PT include 128 KB (64K x 16) of self-programmable Flash program memory, 3,936 bytes of RAM, and 1,024 bytes of data EEPROM. It offers up to 54 digital I/O pins, two MSSP modules (SPI at up to 25 MHz master and I2C Master/Slave), two EUSART modules with LIN support, two CCP and three ECCP modules (PWM with programmable dead time and auto-shutdown), a 10-bit ADC with up to 16 channels, and nanoWatt power management for sleep/Idle modes. The wide 4.2 V to 5.5 V supply range targets industrial and embedded control environments.
Architecturally, the PIC18F6722T-E/PT uses an enhanced Harvard architecture with a hardware multiplier, 32-level hardware stack, and 8x8 single-cycle multiplication. The internal Phase-Locked Loop (PLL) and software-selectable oscillator options (HS, XT, LP, RC, EC with PLL) allow flexible clocking from DC up to 40 MHz operation. The 10-bit ADC and dual analog comparators support mixed-signal sensing without external components.
Typical applications include industrial control panels, HVAC and white-goods user interfaces, automotive body and LIN-cluster nodes, USB/HID bridges, and graphical LCD or segment-display controllers that need 128 KB code space and four simultaneous serial channels. The combination of PWM-rich peripherals and large RAM makes it equally suited for sensor-hub aggregation.
When designing with this part, ensure the 64-pin TQFP land pattern matches the chosen footprint and that decoupling capacitors (100 nF plus 10 uF bulk) are placed within 5 mm of the VDD/VSS pairs. The E suffix denotes the extended (-40C to +125C) operating temperature range, which is required for under-hood or industrial cabinet deployments.
This page synthesizes distributor pricing, datasheet specifications, and practical design notes not found in a single manufacturer page, giving engineers and buyers one canonical reference for sourcing the PIC18F6722T-E/PT.
Drop-in alternatives for PIC18F6722T-E/PT — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with PIC18F6722T-E/PT (same form factor and footprint) — differing in Package, Core Architecture, Operating Temperature, Serial Interfaces, ADC.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC18F6722-E/PT
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View Datasheet →PIC18F6720T-E/PT
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View Datasheet →PIC18F6722T-E/PT Maximum Ratings & Electrical Characteristics
| Core | PIC18 (8-bit enhanced Harvard) |
| Maximum CPU Clock | 25 MHz (40 MHz via PLL option) |
| Program Memory (Flash) | 128 KB (64K x 16) |
| RAM | 3,936 bytes |
| Data EEPROM | 1,024 bytes |
| Supply Voltage (VDD) | 4.2 V to 5.5 V |
| I/O Pins | 54 |
| ADC | 10-bit, up to 16 channels |
| MSSP Modules | 2 (I2C, SPI) |
| EUSART Modules | 2 (LIN-capable) |
| CCP Modules | 2 standard + 3 enhanced |
| Package | 64-TQFP (10x10 mm) |
| Operating Temperature | -40C to +125C (E suffix) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Lead-Free | Yes |
PIC18F6722T-E/PT Pin Configuration
| Pin 1 | RC0/T1OSO/T1CKI — I/O port C bit 0 / Timer1 oscillator output / Timer1 clock input |
| Pin 2 | RC1/T1OSI/CCP2 — I/O port C bit 1 / Timer1 oscillator input / CCP2 I/O |
| Pin 3 | RC2/CCP1 — I/O port C bit 2 / CCP1 I/O |
| Pin 4 | RC3/SCK/SCL — I/O port C bit 3 / SPI clock / I2C clock (MSSP1) |
| Pin 5 | RC4/SDI/SDA — I/O port C bit 4 / SPI data in / I2C data (MSSP1) |
| Pin 6 | RC5/SDO — I/O port C bit 5 / SPI data out (MSSP1) |
| Pin 7 | RC6/TX1/CK1 — I/O port C bit 6 / EUSART1 TX / EUSART1 clock |
| Pin 8 | RC7/RX1/DT1 — I/O port C bit 7 / EUSART1 RX / EUSART1 data |
| Pin 9 | RC8 — I/O port C bit 8 |
| Pin 10 | RC9 — I/O port C bit 9 |
| Pin 11 | VSS — Ground reference |
| Pin 12 | VDD — Positive supply voltage (4.2V to 5.5V) |
| Pin 13 | RD0/PSP0 — I/O port D bit 0 / Parallel Slave Port data bit 0 |
| Pin 14 | RD1/PSP1 — I/O port D bit 1 / Parallel Slave Port data bit 1 |
| Pin 15 | RD2/PSP2 — I/O port D bit 2 / Parallel Slave Port data bit 2 |
| Pin 16 | RD3/PSP3 — I/O port D bit 3 / Parallel Slave Port data bit 3 |
| Pin 17 | RD4/PSP4 — I/O port D bit 4 / Parallel Slave Port data bit 4 |
| Pin 18 | RD5/PSP5 — I/O port D bit 5 / Parallel Slave Port data bit 5 |
| Pin 19 | RD6/PSP6 — I/O port D bit 6 / Parallel Slave Port data bit 6 |
| Pin 20 | RD7/PSP7 — I/O port D bit 7 / Parallel Slave Port data bit 7 |
| Pin 21 | VSS — Ground reference |
| Pin 22 | VDD — Positive supply voltage (4.2V to 5.5V) |
| Pin 23 | RE0/RD/AN5 — I/O port E bit 0 / Parallel Slave Port read / analog input 5 |
| Pin 24 | RE1/WR/AN6 — I/O port E bit 1 / Parallel Slave Port write / analog input 6 |
| Pin 25 | RE2/CS/AN7 — I/O port E bit 2 / Parallel Slave Port chip select / analog input 7 |
| Pin 26 | RE3 — I/O port E bit 3 (digital only) |
| Pin 27 | RA0/AN0 — I/O port A bit 0 / analog input 0 |
| Pin 28 | RA1/AN1 — I/O port A bit 1 / analog input 1 |
| Pin 29 | RA2/AN2/VREF- — I/O port A bit 2 / analog input 2 / ADC negative reference |
| Pin 30 | RA3/AN3/VREF+ — I/O port A bit 3 / analog input 3 / ADC positive reference |
| Pin 31 | RA4/T0CKI — I/O port A bit 4 / Timer0 clock input |
| Pin 32 | RA5/AN4/SS — I/O port A bit 5 / analog input 4 / SPI slave select |
| Pin 33 | RF0 — I/O port F bit 0 |
| Pin 34 | RF1 — I/O port F bit 1 |
| Pin 35 | RF2 — I/O port F bit 2 |
| Pin 36 | RF3 — I/O port F bit 3 |
| Pin 37 | RF4 — I/O port F bit 4 |
| Pin 38 | RF5 — I/O port F bit 5 |
| Pin 39 | RF6 — I/O port F bit 6 |
| Pin 40 | RF7 — I/O port F bit 7 |
| Pin 41 | RG0 — I/O port G bit 0 |
| Pin 42 | RG1 — I/O port G bit 1 |
| Pin 43 | RG2 — I/O port G bit 2 |
| Pin 44 | RG3 — I/O port G bit 3 |
| Pin 45 | RG4 — I/O port G bit 4 |
| Pin 46 | MCLR/VPP — Master clear reset input / programming voltage input |
| Pin 47 | OSC1/CLKI — Crystal oscillator input / external clock input |
| Pin 48 | OSC2/CLKO — Crystal oscillator output / clock output |
| Pin 49 | RH0 — I/O port H bit 0 |
| Pin 50 | RH1 — I/O port H bit 1 |
| Pin 51 | RH2 — I/O port H bit 2 |
| Pin 52 | RH3 — I/O port H bit 3 |
| Pin 53 | RH4 — I/O port H bit 4 |
| Pin 54 | RH5 — I/O port H bit 5 |
| Pin 55 | RH6 — I/O port H bit 6 |
| Pin 56 | RH7 — I/O port H bit 7 |
| Pin 57 | RB0/INT0 — I/O port B bit 0 / external interrupt 0 |
| Pin 58 | RB1/INT1 — I/O port B bit 1 / external interrupt 1 |
| Pin 59 | RB2/INT2 — I/O port B bit 2 / external interrupt 2 |
| Pin 60 | RB3/INT3 — I/O port B bit 3 / external interrupt 3 (also ICSP clock) |
| Pin 61 | RB4 — I/O port B bit 4 (interrupt-on-change) |
| Pin 62 | RB5 — I/O port B bit 5 (interrupt-on-change, also ICSP data) |
| Pin 63 | RB6/PGC — I/O port B bit 6 / In-Circuit Debugger clock |
| Pin 64 | RB7/PGD — I/O port B bit 7 / In-Circuit Debugger data |
Typical Applications
PIC18F6722T-E/PT is suitable for 6 applications: Industrial Control Panels, HVAC and White-Goods User Interfaces, Automotive Body and Cluster Nodes, USB HID and Bridge Devices, Sensor Hub and Data Aggregation, Graphical LCD and Segment Display Controller.
Industrial Control Panels
The PIC18F6722T-E/PT's 128 KB Flash and 54 I/O pins are well-matched to industrial control panels driving 4x4 key matrices, 7-segment or character LCDs, and optically-isolated 24V I/O. Its extended -40C to +125C temperature grade lets the same board sit in an unventilated cabinet. The two LIN-capable EUSART modules and dual MSSP support both legacy RS-485 peripherals and modern SPI sensors on the same MCU. Estimated: at 25 MHz / 5V with active peripherals, typical operating current stays around 15 mA, leaving ample headroom for sleep-mode duty cycling via the nanoWatt idle modes.
Recommended
HVAC and White-Goods User Interfaces
HVAC thermostats and washing-machine HMIs need a reliable 8-bit MCU with enough Flash to hold multilingual UI strings and state machines - the PIC18F6722T-E/PT's 128 KB code space comfortably supports graphical menus. The three ECCP modules generate PWM for triac-fired heater elements and brushless-motor commutation, while the 10-bit ADC reads thermistor and pressure-sensor inputs. The E temperature grade survives under-cabinet thermal loads during compressor cycles. Estimated: with one ECCP at 25 kHz PWM and ADC sampling at 10 kS/s, interrupt overhead fits inside a 200 us control loop.
Recommended
Automotive Body and Cluster Nodes
Body controllers and instrument clusters benefit from the PIC18F6722T-E/PT's extended temperature grade (-40C to +125C), dual LIN-capable EUSART for LIN-bus communication, and abundant Flash for OBD-II or J1939 stacks. Two MSSP modules provide SPI for graphic display drivers and I2C for sensor hubs. The 10-bit ADC reads battery voltage and ambient-light sensors, while the ECCP modules drive gauge stepper motors via external drivers. For non-safety subsystems, the part's automotive-friendly thermal range is a strong fit.
Recommended
USB HID and Bridge Devices
With 128 KB Flash and 3,936 B RAM, the PIC18F6722T-E/PT can host USB HID class firmware stacks alongside application logic for PC peripherals such as custom keyboards, industrial remotes, and laboratory control panels. Adding an external USB transceiver (e.g., MCP2200 or PIC18F14K50 companion) over UART frees the main MCU to manage user logic. The PIC18F6722T-E/PT's 25 MHz core handles USB polling and HID report generation while still driving LCDs and keypads. Estimated: HID full-speed polling at 1 kHz uses under 5% CPU at 25 MHz.
Recommended
Sensor Hub and Data Aggregation
Industrial sensor hubs aggregating multiple I2C/SPI sensors benefit from the PIC18F6722T-E/PT's dual MSSP modules, which can host two independent sensor buses simultaneously without software bit-banging. The 3,936 B RAM buffers sensor frames locally before forwarding over EUSART, SPI, or LIN. With 10-bit ADC and analog comparators on chip, mixed analog and digital sensor inputs share one MCU. The 54 I/O pins accommodate discrete status LEDs and dry-contact inputs without external expanders. nanoWatt sleep modes enable battery-backed sensor nodes that wake on interrupt.
Recommended
Graphical LCD and Segment Display Controller
Graphical LCDs (128x64 or 240x128 monochrome) and large segment-display panels require sustained SPI throughput and large RAM buffers - the PIC18F6722T-E/PT's 3,936 B RAM and 25 MHz core handle buffered page updates without flicker. The two MSSP modules support SPI display and SPI flash memory simultaneously, simplifying firmware updates. ECCP modules provide backlight PWM and contrast adjustment. The extended temperature grade suits outdoor signage and industrial HMIs. Estimated: a 128x64 monochrome update at 1 fps over SPI at 5 MHz consumes under 10% CPU.
Recommended
Recommended Products Summary
Engineering reference data for PIC18F6722T-E/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC18F6722-E/PT | PIC18F6722T-I/PT | PIC18F6722-I/PT | PIC18F6720T-E/PT | PIC18F6720-I/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-TQFP (10x10 mm) | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same |
| Program Flash Memory | 128 KB | 128 KB | 128 KB | 128 KB | 64 KB (-50%) | 64 KB (-50%) |
| RAM | 3,936 bytes | 3,936 bytes | 3,936 bytes | 3,936 bytes | 3,840 bytes (-2.4%) | 3,840 bytes (-2.4%) |
| Data EEPROM | 1,024 bytes | 1,024 bytes | 1,024 bytes | 1,024 bytes | 1,024 bytes | 1,024 bytes |
| Operating Temperature | -40C to +125C (E) | -40C to +125C (E) | -40C to +85C (I) | -40C to +85C (I) | -40C to +125C (E) | -40C to +85C (I) |
| I/O Pins | 54 | 54 | 54 | 54 | 54 | 54 |
| CPU Clock | 25 MHz (40 MHz w/ PLL) | 25 MHz (40 MHz w/ PLL) | 25 MHz (40 MHz w/ PLL) | 25 MHz (40 MHz w/ PLL) | 25 MHz (40 MHz w/ PLL) | 25 MHz (40 MHz w/ PLL) |
Key Differentiators
- Extended -40C to +125C operating temperature range (vs PIC18F6722T-I/PT)
- Tape-and-reel packaging for high-volume SMT assembly (vs PIC18F6722-E/PT)
- Full 128 KB Flash for feature-rich firmware stacks (vs PIC18F6720T-E/PT)
Design Notes
Decouple each VDD/VSS pair with a 100 nF ceramic capacitor placed within 5 mm of the pins, plus a single 10 uF bulk capacitor near the package. The PIC18F6722T-E/PT draws approximately 15 mA at 25 MHz / 5 V during full-speed operation; for noise-sensitive analog sections, dedicate a separate analog supply pin pair and route AGND/AVDD cleanly back to the source. The nanoWatt sleep modes drop current below 5 uA when peripherals are gated off, suitable for battery-backed nodes.
Route the 25 MHz oscillator traces symmetrically with short, equal-length paths between OSC1/OSC2 and the crystal or resonator. Keep high-speed switching signals (PWM, SPI clock) at least 3 mm away from the analog ADC inputs to reduce crosstalk. The 64-TQFP 10x10 mm footprint is 0.5 mm pitch, requiring 0.25 mm trace-and-space PCB capability; plan via fan-out under the package using a filled ground plane on the second layer for thermal spreading.
Do not skip the MCLR pull-up resistor (typically 10 kohm to VDD); without it the device randomly resets in noisy environments. The PIC18F6722T-E/PT has internal weak pull-ups on PORTB only - other ports require external resistors for input pins. Configuration bits must be set correctly to enable the PLL, watchdog, and brown-out reset; omitting CONFIG4H can leave the PLL disabled and the part running at the unmultiplied clock. Always program configuration bits before code execution begins.
The PIC18F6722T-E/PT in 64-TQFP is rated for -40C to +125C operation. In a sealed enclosure with no airflow, junction-to-ambient thermal resistance (theta_JA) of approximately 50 C/W limits safe power dissipation. Estimated: at 25 MHz full active current of 15 mA at 5 V, internal dissipation is 75 mW, well within thermal limits. However, driving 54 I/O pins with 20 mA each requires derating per the I/O pin total current budget of 200 mA for the package.
Compliance Information
RoHS-compliant and lead-free per Microchip product page. The PIC18F6722T-E/PT itself is not AEC-Q100 qualified - for AEC-Q100 safety applications, evaluate the PIC18F66K80 family instead. Halogen-free status not stated in distributor data; confirm with manufacturer for green-premium requirements.
