PIC18F6720T-I/PT - 128KB Flash 8-bit MCU, 25MHz, TQFP-64 | Microchip
Teilenummer: PIC18F6720T-I/PT ✓ Aktiv| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $8.5 | $8,50 |
| 10 | $7.62 | $76,20 |
| 100 | $6.75 | $675,00 |
| 500 | $5.98 | $2.990,00 |
| 1.000 | $5.32 | $5.320,00 |
PIC18F6720T-I/PT Übersicht
An 8-bit microcontroller (MCU) is a programmable processor built around an 8-bit data path, on-chip non-volatile program memory (Flash), volatile data RAM, and a fixed set of peripherals (ADC, timers, communication ports). 8-bit MCUs belong to the broader family of microcontrollers, which are a class of embedded processors that integrate CPU, memory, and I/O on a single die. Within Microchip's portfolio, the PIC18F family sits between the baseline PIC10/12/16 families and the 16-bit PIC24/dsPIC families, targeting applications that need more code space and richer peripherals than entry-level parts, but where cost-sensitive and deterministic interrupt response outweigh the throughput of 32-bit Cortex-M devices.
Key features of the PIC18F6720 include self-programming Flash, an ICD (In-Circuit Debugger) interface, an external memory addressing bus for parallel-memory expansion, three timers, two analog comparators, and flexible oscillator options including the low-power 31 kHz secondary oscillator. The device supports up to 52 digital I/O lines plus dedicated analog and peripheral pins, allowing the TQFP-64 package to drive a wide variety of sensors, displays, and actuators.
Architecturally the PIC18F6720 uses a 16-bit instruction word with an 8-bit data path, allowing single-cycle hardware multiply and a 32-level hardware stack for deterministic C-language interrupt handling. The wide Flash word means each instruction is fetched as a single 16-bit word, simplifying pipeline design and giving the family its reputation for predictable timing in real-time control loops.
Typical applications for the PIC18F6720T-I/PT include industrial control panels, motor-control front-ends, HVAC and appliance controllers, building-automation nodes, medical-device user interfaces, and automotive body-electronics modules where its 4.2 V to 5.5 V supply range, hardware multiply, and large peripheral set fit naturally. Designers often pair it with Microchip's MCP2515 CAN controller or MCP2551 CAN transceiver for industrial-automation gateways.
For new designs, consider using PIC18F66K22T-I/PT or PIC18F66K80T-I/PT instead: these later-generation parts add nanoWatt XLP deep-sleep modes, more ADC channels and PWMs, and typically ship at a comparable price. The PIC18F6720 remains attractive when firmware is already written against its register set or when its external memory bus is required.
This page synthesizes distributor pricing, drop-in alternative MPNs from the PIC18F6720 family, and practical design notes that go beyond the manufacturer datasheet, helping engineers select between this legacy part and newer PIC18F alternatives in the same TQFP-64 footprint.
Drop-in-Alternativen für PIC18F6720T-I/PT – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Varianten dieser Serie
Modelle derselben Serie, die drop-in-kompatibel sind mit PIC18F6720T-I/PT (gleiche Bauform und Footprint) – abweichend in Package, Timers, Core Architecture, Operating Temperature, Serial Interfaces.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
PIC18F6720-I/PT
✅ Drop-In✓ Auf Lager
$21.1 / Stück
Datenblatt ansehen →PIC18F6720T-E/PT
✅ Drop-In✓ Auf Lager
$6.95 / Stück
Datenblatt ansehen →PIC18F6620T-I/PT
✅ Drop-In✓ Auf Lager
$4.18 / Stück
Datenblatt ansehen →PIC18F6680T-I/PT
✅ Drop-In✓ Auf Lager
$7.04 / Stück
Datenblatt ansehen →PIC18F66K80-I/PT
✅ Drop-In✓ Auf Lager
$2.95 / Stück
Datenblatt ansehen →PIC18F66K22T-I/PT
✅ Drop-In✓ Auf Lager
$2.95 / Stück
Datenblatt ansehen →PIC18F6720T-I/PT Grenzwerte & elektrische Eigenschaften
| Series | PIC 18F |
| Core | PIC18 8-bit RISC |
| Core Size | 8-bit |
| Maximum CPU Frequency | 25 MHz |
| MIPS (Dhrystone 2.1) | 10 MIPS |
| Program Memory Type | Flash |
| Program Memory Size | 128 KB (64K x 16) |
| Data RAM | 3840 bytes |
| Data EEPROM | 1024 bytes |
| Supply Voltage (VDD) | 4.2 V to 5.5 V |
| I/O Pins | 52 |
| ADC Channels x Resolution | 12 x 10-bit |
| Analog Comparators | 2 |
| CCP/ECCP Modules | 5 |
| Timers | 3 |
| Serial Interfaces | SPI / I2C / USART (configurable) |
| External Memory Bus | Yes (parallel) |
| Self-Programming / ICD | Yes |
| Gehäuse | 64-pin TQFP (PT) 10x10 mm |
| Montageart | Surface Mount |
| Betriebstemperatur | -40C to +85C (Industrial) |
| RoHS-Status | Compliant |
| MSL-Level | 3 (168 hours) |
PIC18F6720T-I/PT Pin-Konfiguration
| Pin 1 | MCLR — Master Clear (reset) input, active low |
| Pin 2 | RA0/AN0 — PORTA bit 0 / Analog input 0 |
| Pin 3 | RA1/AN1 — PORTA bit 1 / Analog input 1 |
| Pin 4 | RA2/AN2/VREF- — PORTA bit 2 / Analog input 2 / VREF- |
| Pin 5 | RA3/AN3/VREF+ — PORTA bit 3 / Analog input 3 / VREF+ |
| Pin 6 | RA4/T0CKI — PORTA bit 4 / Timer0 clock input |
| Pin 7 | RA5/AN4 — PORTA bit 5 / Analog input 4 |
| Pin 8 | OSC1/CLKIN — Oscillator input / external clock input |
| Pin 9 | OSC2/CLKOUT — Oscillator output / clock output |
| Pin 10 | RC0/T1OSO — PORTC bit 0 / Timer1 oscillator output |
| Pin 11 | RC1/T1OSI — PORTC bit 1 / Timer1 oscillator input |
| Pin 12 | RC2/CCP1 — PORTC bit 2 / Capture/Compare/PWM 1 |
| Pin 13 | RC3/SCK/SCL — PORTC bit 3 / SPI clock / I2C clock |
| Pin 14 | RC4/SDI/SDA — PORTC bit 4 / SPI data in / I2C data |
| Pin 15 | RC5/SDO — PORTC bit 5 / SPI data out |
| Pin 16 | RC6/TX/CK — PORTC bit 6 / USART TX / clock |
| Pin 17 | RC7/RX/DT — PORTC bit 7 / USART RX / data |
| Pin 18 | RD0/PSP0 — PORTD bit 0 / Parallel Slave Port bit 0 |
| Pin 19 | RD1/PSP1 — PORTD bit 1 / Parallel Slave Port bit 1 |
| Pin 20 | RD2/PSP2 — PORTD bit 2 / Parallel Slave Port bit 2 |
| Pin 21 | RD3/PSP3 — PORTD bit 3 / Parallel Slave Port bit 3 |
| Pin 22 | RD4/PSP4 — PORTD bit 4 / Parallel Slave Port bit 4 |
| Pin 23 | RD5/PSP5 — PORTD bit 5 / Parallel Slave Port bit 5 |
| Pin 24 | RD6/PSP6 — PORTD bit 6 / Parallel Slave Port bit 6 |
| Pin 25 | RD7/PSP7 — PORTD bit 7 / Parallel Slave Port bit 7 |
| Pin 26 | VSS — Ground reference |
| Pin 27 | VDD — Positive supply (4.2-5.5 V) |
| Pin 28 | RE0/RD/AN5 — PORTE bit 0 / Read control / Analog input 5 |
| Pin 29 | RE1/WR/AN6 — PORTE bit 1 / Write control / Analog input 6 |
| Pin 30 | RE2/CS/AN7 — PORTE bit 2 / Chip select / Analog input 7 |
| Pin 31 | RE3/CCP2 — PORTE bit 3 / Capture/Compare/PWM 2 |
| Pin 32 | AVDD — Analog supply voltage |
| Pin 33 | AVSS — Analog ground |
| Pin 34 | RF0/AN8 — PORTF bit 0 / Analog input 8 |
| Pin 35 | RF1/AN9 — PORTF bit 1 / Analog input 9 |
| Pin 36 | RF2/AN10 — PORTF bit 2 / Analog input 10 |
| Pin 37 | RF3/AN11 — PORTF bit 3 / Analog input 11 |
| Pin 38 | RF4 — PORTF bit 4 |
| Pin 39 | RF5 — PORTF bit 5 |
| Pin 40 | RF6 — PORTF bit 6 |
| Pin 41 | RF7 — PORTF bit 7 |
| Pin 42 | RG0/CCP3 — PORTG bit 0 / Capture/Compare/PWM 3 |
| Pin 43 | RG1/CCP4 — PORTG bit 1 / Capture/Compare/PWM 4 |
| Pin 44 | RG2/CCP5 — PORTG bit 2 / Capture/Compare/PWM 5 |
| Pin 45 | RG3 — PORTG bit 3 |
| Pin 46 | RG4 — PORTG bit 4 |
| Pin 47 | RB0/INT0 — PORTB bit 0 / External interrupt 0 |
| Pin 48 | RB1/INT1 — PORTB bit 1 / External interrupt 1 |
| Pin 49 | RB2/INT2 — PORTB bit 2 / External interrupt 2 |
| Pin 50 | RB3/INT3 — PORTB bit 3 / External interrupt 3 |
| Pin 51 | RB4 — PORTB bit 4 |
| Pin 52 | RB5 — PORTB bit 5 / PGD (ICSP data) |
| Pin 53 | RB6/PGC — PORTB bit 6 / PGC (ICSP clock) |
| Pin 54 | RB7 — PORTB bit 7 |
| Pin 55 | VSS — Ground reference |
| Pin 56 | VDD — Positive supply (4.2-5.5 V) |
| Pin 57 | NC — Not connected (per datasheet) |
| Pin 58 | NC — Not connected (per datasheet) |
| Pin 59 | NC — Not connected (per datasheet) |
| Pin 60 | NC — Not connected (per datasheet) |
| Pin 61 | NC — Not connected (per datasheet) |
| Pin 62 | NC — Not connected (per datasheet) |
| Pin 63 | NC — Not connected (per datasheet) |
| Pin 64 | NC — Not connected (per datasheet) |
Typische Anwendungen
PIC18F6720T-I/PT ist geeignet für 7 Anwendungs: Industrial Control Panel, HVAC and Appliance Controller, Motor Control Front-End, Building Automation Node, Medical Device User Interface, Automotive Body Electronics, Power Metering and Energy Monitor.
Industrial Control Panel
The PIC18F6720T-I/PT is well suited to industrial control panels where it can drive HMI LCDs, scan keypad matrices, and read 4-20 mA sensors through its 12-channel 10-bit ADC. Its 128 KB Flash comfortably stores large state-machine code and lookup tables, while the 3840 bytes of SRAM buffer display strings and protocol frames. The 4.2-5.5 V supply range matches 24V->5V industrial rails, and the 52 I/O pins drive LED indicators and relay drivers directly without external logic.
Empfohlen
HVAC and Appliance Controller
In HVAC and major-appliance controllers, the PIC18F6720T-I/PT's hardware multiply, 5 CCP modules and 12 ADC channels enable simultaneous closed-loop control of compressor speed, temperature sensing and user-interface scanning. The 25 MHz core and 10 MIPS throughput handle PID loops and brushless DC motor commutation tables without DMA. Its industrial temperature grade (-40C to +85C) tolerates the elevated ambient temperatures inside oven, dryer and outdoor-AC housings.
Empfohlen
Motor Control Front-End
For motor-control front-ends the PIC18F6720T-I/PT supplies the 5 CCP/ECCP channels needed for three-phase PWM generation and the dedicated timers for back-EMF sensing. Its 8-bit hardware multiply computes sine-wave commutation tables in a single cycle, and 3840 bytes of RAM holds the lookup tables and current-control state. Designers pair the MCU with an external gate driver such as the MCP8024 for 3-phase BLDC or PMSM drives.
Empfohlen
Building Automation Node
Building-automation nodes using the PIC18F6720T-I/PT benefit from its 1024-byte EEPROM for storing configuration, calibration data and node IDs without external memory. The configurable SPI/I2C/USART interfaces connect to sensors, EEPROMs and radio modules (such as the MRF24J40 for ZigBee-style mesh), while 128 KB Flash holds BACnet or Modbus protocol stacks plus application logic. The external memory bus lets designers add parallel SRAM or FRAM for large event logs.
Empfohlen
Medical Device User Interface
The PIC18F6720T-I/PT powers user-interface boards in non-critical medical devices such as infusion-pump keypads, blood-pressure monitor displays, and laboratory-instrument controllers. Its deterministic interrupt latency (the PIC18F family has a fixed 2-cycle interrupt response) is critical for safety-related firmware, while the 12 ADC channels read pressure, temperature and battery-sense signals. Designers use the ICD interface for in-circuit firmware validation during IEC 62304 development cycles.
Empfohlen
Automotive Body Electronics
In automotive body-electronics modules (non-safety) such as seat controllers, mirror adjusters and lighting modules, the PIC18F6720T-I/PT drives multiple LIN sub-networks via its USART and CCP modules. The industrial temperature grade handles the -40C to +85C cabin environment, while the 128 KB Flash accommodates OEM-specific lighting sequences and CAN-LIN gateway firmware. Note that this part is NOT AEC-Q100 qualified; for safety-critical modules use the PIC18FxxK80 automotive-grade family.
Empfohlen
Power Metering and Energy Monitor
Power-metering front-ends use the PIC18F6720T-I/PT to sample current and voltage waveforms through its 12-channel 10-bit ADC and run RMS, power-factor and energy-accumulation algorithms in firmware. The 128 KB Flash stores lookup tables for calibration and the 1024-byte EEPROM stores non-volatile tariff and billing registers. The configurable SPI interface connects to isolated metering AFE chips such as the MCP3909 energy-measurement IC.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für PIC18F6720T-I/PT – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | PIC18F6720-I/PT | PIC18F6720T-E/PT | PIC18F6620T-I/PT | PIC18F6680T-I/PT | PIC18F66K80-I/PT |
|---|---|---|---|---|---|---|
| Package | TQFP-64 (PT) 10x10 mm | TQFP-64 (PT) 10x10 mm - same | TQFP-64 (PT) 10x10 mm - same | TQFP-64 (PT) 10x10 mm - same | TQFP-64 (PT) 10x10 mm - same | TQFP-64 (PT) 10x10 mm - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Maximum CPU Frequency | 25 MHz (10 MIPS) | 25 MHz (10 MIPS) | 25 MHz (10 MIPS) | 25 MHz (10 MIPS) | 25 MHz (10 MIPS) | 64 MHz (16 MIPS) |
| Temperature Grade | Industrial (-40C to +85C) | Industrial (-40C to +85C) | Extended (-40C to +125C) | Industrial (-40C to +85C) | Industrial (-40C to +85C) | Industrial (-40C to +85C) |
| Supply Voltage | 4.2 V to 5.5 V | 4.2 V to 5.5 V | 4.2 V to 5.5 V | 4.2 V to 5.5 V | 4.2 V to 5.5 V | 1.8 V to 5.5 V (wider) |
| External Memory Bus | Yes (parallel) | Yes | Yes | Yes | Yes | No (K-series removed) |
| ADC Channels x Resolution | 12 x 10-bit | 12 x 10-bit | 12 x 10-bit | 12 x 10-bit | 12 x 10-bit | 12 x 12-bit (higher) |
| Price (qty-1, USD, as of 2026-09-28) | 8.50 | 8.40 (tray saves ~$0.10) | 9.10 (ext. temp.) | 7.20 | 9.50 | 4.20 (newer, cheaper) |
Wichtigste Unterscheidungsmerkmale
- Largest Flash in the PIC18F6720 family on a TQFP-64 footprint (vs. PIC18F6620T-I/PT)
- External parallel memory bus retained (vs. PIC18F66K80-I/PT)
- Industrial temperature grade standard (vs. PIC18F6720T-E/PT)
Designhinweise
Estimated: at 25 MHz clock, the PIC18F6720T-I/PT consumes approximately 14 mA active and 1.5 mA idle (per Microchip datasheet DC characteristics). The industrial-grade VDD range is 4.2-5.5 V; decouple VDD/VSS pairs with 100 nF ceramic capacitors placed within 5 mm of each VDD pin (the TQFP-64 has multiple VDD/VSS pins that must all be bypassed). Add a 10 uF bulk tantalum or ceramic capacitor near the MCU for switching transients.
Route the ICPGC/ICPGD (RB6/RB7) signals away from switching traces to avoid ICSP programming failures. The MCLR pin requires a 10 kohm pull-up to VDD plus a 100 nF capacitor to ground for noise immunity; do not connect MCLR directly to VDD without the RC filter, as voltage transients can spuriously reset the MCU. For TQFP-64, use at least 0.2 mm trace/space and a 4-layer PCB with a dedicated ground plane for EMC compliance.
Do not exceed the 5.5 V absolute-maximum VDD rating - transients above 6 V will damage the part. The PIC18F6720T-I/PT is NOT AEC-Q100 qualified; do not use in automotive safety-critical applications without a Microchip automotive-grade equivalent. The configuration words (CONFIG1H-L) must be set correctly; an unprogrammed part will read as 4 MHz RC oscillator with no watchdog, which may surprise first-time users.
Compliance-Informationen
RoHS and REACH compliant per Microchip product page. Lead-free (Pb-free) TQFP-64 package. NOT AEC-Q100 qualified - not for automotive safety-critical use. MSL-3 moisture sensitivity per JEDEC J-STD-020.