PIC18F96J65-I/PF - 96KB Flash 8-bit MCU w/ Ethernet | Microchip
MPN: PIC18F96J65-I/PF ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $10.93 | $10.93 |
| 10 | $9.9 | $99.00 |
| 100 | $8.78 | $878.00 |
| 500 | $7.65 | $3,825.00 |
| 1,000 | $6.78 | $6,780.00 |
PIC18F96J65-I/PF Overview
What is a PIC18F Microcontroller? PIC18F is Microchip's family of high-performance 8-bit microcontrollers based on an enhanced RISC architecture with hardware multiply and a 16-bit instruction word. Within the broader taxonomy, the PIC18F sits below PIC microcontroller -> 8-bit MCU -> microcontroller -> integrated circuit -> semiconductor. The "J" suffix denotes 2.5V/3.3V operation with a 1 Mbit Flash optimized for high-pin-count, networked applications, distinguishing it from the K-series parts that run at 5V with more modern peripherals.
Key features include 96 KB self-programmable Flash with 1,000,000 erase/write cycles endurance, 3,808 bytes of SRAM, an integrated 10 Mbps Ethernet MAC and PHY, dual analog comparators, five timers, two capture/compare/PWM modules, and an enhanced USART. The device supports in-circuit serial programming (ICSP) and in-circuit debugging (ICD), enabling field upgrades and streamlined production programming.
The PIC18J core uses a Harvard architecture with separate program and data buses, achieving 16 MIPS at 64 MHz oscillator input (4x PLL is not used here; the part uses the input clock directly). On-chip peripherals include a 10-bit ADC with up to 16 channels, hardware CRC, mTouch capacitive touch sensing, and a parallel slave port for external memory expansion. The integrated Ethernet MAC/PHY eliminates the need for an external PHY, reducing BOM cost for connected-embedded designs.
Typical applications include industrial Ethernet nodes, building automation controllers, remote sensor monitoring with TCP/IP, HVAC networked thermostats, and home automation gateways. The wide I/O count and integrated Ethernet make it especially useful for distributed control systems requiring a standards-based network interface.
Designers should note that the PIC18F96J65-I/PF operates from 2.0V to 3.6V; a 3.3V LDO is recommended for stable Ethernet PHY operation. An external 25 MHz crystal is required to drive the integrated Ethernet PLL and clock system. Decoupling capacitors should be placed within 5 mm of each power pin, and the Ethernet magnetic module must be placed within 25 mm of the RJ45 jack.
This page synthesizes distributor pricing, drop-in alternatives drawn from Microchip's PIC18F9xJ65 family and cross-brand datasheets, and practical design notes not aggregated on manufacturer product pages alone.
Drop-in alternatives for PIC18F96J65-I/PF — 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 PIC18F96J65-I/PF (same form factor and footprint) — differing in MSL Level, Operating Temperature, ADC, Core Architecture, RAM.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC18F96J60-I/PF
✅ Drop-In✓ In Stock
Contact for price
View Datasheet →PIC18F96J60T-I/PF
✅ Drop-In✓ In Stock
$6.2 / Unit
View Datasheet →PIC18F97J60-I/PF
✅ Drop-In✓ In Stock
$7.85 / Unit
View Datasheet →PIC18F96J65-I/PF Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC18 (8-bit RISC) |
| CPU Speed | 41.667 MHz (16 MIPS) |
| Program Memory (Flash) | 96 KB (48K x 16) |
| RAM | 3,808 bytes |
| Data EEPROM | Not specified (use Flash for EEPROM emulation) |
| I/O Pins | 70 |
| Package | 100-pin TQFP (14x14 mm) |
| Operating Voltage | 2.0 V to 3.6 V (typical 2.5V/3.3V) |
| Operating Temperature | -40C to +85C (Industrial, "I") |
| Ethernet | Integrated 10 Mbps MAC + PHY |
| ADC | 10-bit, up to 16 channels |
| Timers | 5 (Timer0/2/3, Timer4/6, etc.) |
| Capture/Compare/PWM | 2 ECCP modules |
| Comparators | 2 analog comparators |
| UART/USART | 2 (EUSART) |
| SPI / I2C | 1 SPI / 1 I2C |
| MSL Level | 3 (JEDEC J-STD-020) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Programming Method | ICSP / ICD |
PIC18F96J65-I/PF Pin Configuration
| Pin 1 | RG0/CVREF/AN17/C3OUT — I/O port RG0 / comparator VREF / ADC ch17 / comparator 3 output |
| Pin 2 | RG1/TX2/CK2 — I/O port RG1 / EUSART2 TX / EUSART2 clock |
| Pin 3 | RG2/RX2/DT2 — I/O port RG2 / EUSART2 RX / EUSART2 data |
| Pin 4 | RG3/CCP4 — I/O port RG3 / CCP4 output |
| Pin 5 | RG4/CCP5/RTCC — I/O port RG4 / CCP5 / RTCC output |
| Pin 6 | VSS — Ground |
| Pin 7 | VDD — Digital supply 2.0-3.6V |
| Pin 8 | RA0/AN0/ULP3 — I/O port RA0 / ADC ch0 |
| Pin 9 | RA1/AN1/ULP2 — I/O port RA1 / ADC ch1 |
| Pin 10 | RA2/AN2/VREF-/CVREF — I/O port RA2 / ADC ch2 / VREF- / CVREF |
| Pin 11 | RA3/AN3/VREF+ — I/O port RA3 / ADC ch3 / VREF+ |
| Pin 12 | RA4/T0CKI — I/O port RA4 / Timer0 clock input |
| Pin 13 | RA5/AN4/SS1 — I/O port RA5 / ADC ch4 / SPI1 slave select |
| Pin 14 | RA6/OSC2/CLKO — RA6 / oscillator output / clock out |
| Pin 15 | RA7/OSC1/CLKI — RA7 / oscillator input / clock in |
| Pin 16 | VSS — Ground |
| Pin 17 | VDD — Digital supply 2.0-3.6V |
| Pin 18 | RB0/INT0/AN12 — I/O port RB0 / external interrupt 0 / ADC ch12 |
| Pin 19 | RB1/INT1/AN10 — I/O port RB1 / external interrupt 1 / ADC ch10 |
| Pin 20 | RB2/INT2/AN8 — I/O port RB2 / external interrupt 2 / ADC ch8 |
| Pin 21 | RB3/INT3/CCP2/AN9 — I/O port RB3 / external interrupt 3 / CCP2 / ADC ch9 |
| Pin 22 | RB4/KBI0/AN11 — I/O port RB4 / KB interrupt 0 / ADC ch11 |
| Pin 23 | RB5/KBI1/CCP3 — I/O port RB5 / KB interrupt 1 / CCP3 |
| Pin 24 | RB6/KBI2/PGC — I/O port RB6 / KB interrupt 2 / ICSP clock |
| Pin 25 | RB7/KBI3/PGD — I/O port RB7 / KB interrupt 3 / ICSP data |
| Pin 26 | VSS — Ground |
| Pin 27 | AVDD — Analog supply 2.0-3.6V (for ADC) |
| Pin 28 | AVSS — Analog ground |
| Pin 29 | RC0/T1OSO/T1CKI — I/O port RC0 / Timer1 oscillator out / Timer1 clock |
| Pin 30 | RC1/T1OSI/CCP2 — I/O port RC1 / Timer1 oscillator in / CCP2 |
| Pin 31 | RC2/CCP1/P1A — I/O port RC2 / CCP1 / PWM P1A |
| Pin 32 | RC3/SCL1/SCK1 — I/O port RC3 / I2C1 SCL / SPI1 SCK |
| Pin 33 | RC4/SDA1/SDI1 — I/O port RC4 / I2C1 SDA / SPI1 SDI |
| Pin 34 | RC5/SDO1 — I/O port RC5 / SPI1 SDO1 |
| Pin 35 | RC6/TX1/CK1 — I/O port RC6 / EUSART1 TX / clock |
| Pin 36 | RC7/RX1/DT1 — I/O port RC7 / EUSART1 RX / data |
| Pin 37 | VSS — Ground |
| Pin 38 | VDD — Digital supply 2.0-3.6V |
| Pin 39 | RD0/PSP0/PMD0 — I/O port RD0 / PSP data bit 0 |
| Pin 40 | RD1/PSP1/PMD1 — I/O port RD1 / PSP data bit 1 |
| Pin 41 | RD2/PSP2/PMD2 — I/O port RD2 / PSP data bit 2 |
| Pin 42 | RD3/PSP3/PMD3 — I/O port RD3 / PSP data bit 3 |
| Pin 43 | RD4/PSP4/C1OUT — I/O port RD4 / PSP data bit 4 / comparator 1 output |
| Pin 44 | RD5/PSP5/C2OUT — I/O port RD5 / PSP data bit 5 / comparator 2 output |
| Pin 45 | RD6/PSP6/TX2/CK2 — I/O port RD6 / PSP bit 6 / EUSART2 TX |
| Pin 46 | RD7/PSP7/RX2/DT2 — I/O port RD7 / PSP bit 7 / EUSART2 RX |
| Pin 47 | VSS — Ground |
| Pin 48 | VDD — Digital supply 2.0-3.6V |
| Pin 49 | RE0/PMRD/C1IN+ — I/O port RE0 / PMP read / comparator 1 non-inverting |
| Pin 50 | RE1/PMWR/C1IN- — I/O port RE1 / PMP write / comparator 1 inverting |
| Pin 51 | RE2/C2IN+/PMA0 — I/O port RE2 / comparator 2 non-inverting / PMP address 0 |
| Pin 52 | RE3/C2IN-/PMA1 — I/O port RE3 / comparator 2 inverting / PMP address 1 |
| Pin 53 | RE4/PMA2 — I/O port RE4 / PMP address 2 |
| Pin 54 | RE5/PMA3 — I/O port RE5 / PMP address 3 |
| Pin 55 | RE6/PMA4 — I/O port RE6 / PMP address 4 |
| Pin 56 | RE7/PMA5 — I/O port RE7 / PMP address 5 |
| Pin 57 | VSS — Ground |
| Pin 58 | VDD — Digital supply 2.0-3.6V |
| Pin 59 | RF0/PMA6 — I/O port RF0 / PMP address 6 |
| Pin 60 | RF1/PMA7 — I/O port RF1 / PMP address 7 |
| Pin 61 | RF2/PMA8/PMAL — I/O port RF2 / PMP address 8 / address latch |
| Pin 62 | RF3/PMCS1/PMBE — I/O port RF3 / PMP chip select 1 / byte enable |
| Pin 63 | RF4/PMCS2 — I/O port RF4 / PMP chip select 2 |
| Pin 64 | RF5/PMA9 — I/O port RF5 / PMP address 9 |
| Pin 65 | RF6/PMA10 — I/O port RF6 / PMP address 10 |
| Pin 66 | RF7/PMD7 — I/O port RF7 / PMP data 7 |
| Pin 67 | VSS — Ground |
| Pin 68 | VDD — Digital supply 2.0-3.6V |
| Pin 69 | RH0/PMD8 — I/O port RH0 / PMP data 8 (16-bit PMP) |
| Pin 70 | RH1/PMD9 — I/O port RH1 / PMP data 9 |
| Pin 71 | RH2/PMD10 — I/O port RH2 / PMP data 10 |
| Pin 72 | RH3/PMD11 — I/O port RH3 / PMP data 11 |
| Pin 73 | RH4/PMD12 — I/O port RH4 / PMP data 12 |
| Pin 74 | RH5/PMD13 — I/O port RH5 / PMP data 13 |
| Pin 75 | RH6/PMD14 — I/O port RH6 / PMP data 14 |
| Pin 76 | RH7/PMD15 — I/O port RH7 / PMP data 15 |
| Pin 77 | VSS — Ground |
| Pin 78 | VDD — Digital supply 2.0-3.6V |
| Pin 79 | RJ0 — I/O port RJ0 |
| Pin 80 | RJ1 — I/O port RJ1 |
| Pin 81 | RJ2 — I/O port RJ2 |
| Pin 82 | RJ3 — I/O port RJ3 |
| Pin 83 | RJ4 — I/O port RJ4 |
| Pin 84 | RJ5 — I/O port RJ5 |
| Pin 85 | RJ6 — I/O port RJ6 |
| Pin 86 | RJ7 — I/O port RJ7 |
| Pin 87 | VSS — Ground |
| Pin 88 | VDD — Digital supply 2.0-3.6V |
| Pin 89 | RK0 — I/O port RK0 |
| Pin 90 | RK1 — I/O port RK1 |
| Pin 91 | RK2 — I/O port RK2 |
| Pin 92 | RK3 — I/O port RK3 |
| Pin 93 | RK4 — I/O port RK4 |
| Pin 94 | RK5 — I/O port RK5 |
| Pin 95 | RK6 — I/O port RK6 |
| Pin 96 | RK7 — I/O port RK7 |
| Pin 97 | VSS — Ground |
| Pin 98 | VDD — Digital supply 2.0-3.6V |
| Pin 99 | MCLR — Master Clear (reset, active low) |
| Pin 100 | ENVREG — Ethernet internal regulator output (cap to VSS) |
Typical Applications
PIC18F96J65-I/PF is suitable for 6 applications: Industrial Ethernet Node, Building Automation Controller, Remote Sensor Monitoring with TCP/IP, Home Automation Gateway, HVAC Networked Thermostat, Industrial Serial-Ethernet Bridge.
Industrial Ethernet Node
The PIC18F96J65-I/PF's integrated 10 Mbps Ethernet MAC/PHY and 96 KB Flash eliminate the need for an external PHY, cutting BOM cost for industrial Ethernet endpoints such as Modbus-TCP nodes, EtherNet/IP gateways, or PROFINET edge devices. The 41.667 MHz CPU delivers 16 MIPS, which is sufficient for a TCP/IP lite stack plus protocol-handling logic. The 70 I/O pins accept multiple sensor inputs and actuator outputs from a single MCU. A 3.3V LDO with <50 mV ripple should power AVDD pins for clean Ethernet signaling; designers should keep the Ethernet magnetics within 25 mm of the RJ45 to meet IEEE 802.3 return-loss specs.
Recommended
Building Automation Controller
Building automation systems (BAS) such as BACnet/IP thermostats, lighting controllers, and HVAC gateway nodes benefit from the PIC18F96J65-I/PF's integrated Ethernet and 70 I/O lines. The 96 KB Flash fits BACnet/IP or MODBUS-TCP stack plus application logic; 3,808 bytes RAM handles packet buffers for moderate traffic. The 2.5V/3.3V operation reduces power budget over 5V peers, important for large-building energy compliance. The MCU's industrial-grade temperature range (-40C to +85C) covers rooftop and basement enclosures without a heater.
Recommended
Remote Sensor Monitoring with TCP/IP
Remote-monitoring systems (environmental sensors, vibration loggers, water-quality probes) send data over Ethernet to cloud gateways, and the PIC18F96J65-I/PF is well matched: its integrated 10 Mbps Ethernet MAC/PHY eliminates the PHY BOM, the 10-bit ADC captures up to 16 sensor channels, and the 96 KB Flash holds a TCP/IP stack plus remote firmware-update logic. The "J" core's low-power Idle and Sleep modes let the system wake on timer or external sensor interrupt, drawing <10 uA when idle.
Recommended
Home Automation Gateway
Consumer home-automation gateways (Zigbee-to-IP bridges, Wi-Fi/Ethernet bridges, smart-meter aggregators) use the PIC18F96J65-I/PF as a low-cost TCP/IP termination point with sufficient Flash for an MQTT or HTTP client plus protocol-translation logic. The 70 I/O lines accept multiple sensor busses (I2C, SPI, UART) and the 41.667 MHz core services Ethernet plus sensors concurrently without dropping packets. Its 3.3V operation simplifies shared-rail designs with companion Wi-Fi modules.
Recommended
HVAC Networked Thermostat
Networked HVAC thermostats require Ethernet connectivity for centralized scheduling plus local control of relays and dampers. The PIC18F96J65-I/PF's integrated 10 Mbps Ethernet MAC/PHY plus 70 I/O lines can directly drive relay matrices, triac interfaces, and NTC thermistor inputs via its 10-bit ADC. The 96 KB Flash comfortably holds the network stack plus scheduling firmware, while the -40C to +85C industrial range covers rooftop and basement installations. Power consumption is low enough to run from a small 3.3V LDO off a 24VAC wall adapter.
Recommended
Industrial Serial-Ethernet Bridge
Serial-to-Ethernet bridges (RS-232/RS-485 to TCP/IP converters) are a classic application for the PIC18F96J65-I/PF: the integrated Ethernet MAC/PHY plus two EUSART modules can simultaneously drive one Ethernet port and one RS-485 port (the second USART drives a half-duplex RS-485 transceiver). 96 KB Flash holds the lightweight TCP/IP stack plus Modbus RTU-to-Modbus TCP gateway logic. The 70 I/O count exposes extra GPIOs for flow-control, mode switches, and status LEDs without a CPLD.
Recommended
Recommended Products Summary
Engineering reference data for PIC18F96J65-I/PF — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC18F96J60-I/PF | PIC18F96J60T-I/PF | PIC18F86J65-I/PT | PIC18F86J60-I/PT | PIC18F97J60-I/PF |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 100-pin TQFP (14x14 mm) | 100-pin TQFP - same | 100-pin TQFP - same | 80-pin TQFP - NOT same | 80-pin TQFP - NOT same | 100-pin TQFP - same |
| Flash Memory | 96 KB | 96 KB - same | 96 KB - same | 64 KB - smaller | 64 KB - smaller | 128 KB - upgrade |
| RAM | 3,808 bytes | 3,808 bytes - same | 3,808 bytes - same | 3,808 bytes - same | 3,808 bytes - same | 3,808 bytes - same |
| CPU Speed | 41.667 MHz | 41.667 MHz - same | 41.667 MHz - same | 41.667 MHz - same | 41.667 MHz - same | 41.667 MHz - same |
| I/O Pins | 70 | 70 - same | 70 - same | 55 - fewer | 55 - fewer | 70 - same |
| Ethernet MAC/PHY | Integrated 10 Mbps | Integrated 10 Mbps - same | Integrated 10 Mbps - same | Integrated 10 Mbps - same | Integrated 10 Mbps - same | Integrated 10 Mbps - same |
| CAN Module | Yes | No | No | Yes - same | No | No |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C - same | -40C to +85C - same | -40C to +85C - same | -40C to +85C - same | -40C to +85C - same |
Key Differentiators
- Integrated Ethernet MAC + PHY in single die (vs PIC18F67J60-I/PT)
- CAN bus peripheral included (vs PIC18F96J60-I/PF)
- Largest Flash in the 100-pin PIC18F9xJ6x family (vs PIC18F86J65-I/PT)
Design Notes
The PIC18F96J65-I/PF requires a clean 3.3V supply on VDD/AVDD with <50 mV ripple for reliable Ethernet PHY operation. Place a 10 uF tantalum plus a 100 nF ceramic within 5 mm of each VDD pin pair, and route AVDD through a ferrite bead from VDD if digital switching noise couples to the ADC. The Ethernet internal regulator (ENVREG, pin 100) must be bypassed with a 10 uF tantalum and 100 nF ceramic to VSS per Microchip datasheet 39931D power-supply guidelines.
Place the 25 MHz Ethernet reference crystal within 5 mm of OSCI/OSCO with trace capacitance under 3 pF, and surround the crystal area with a ground guard ring tied to VSS. The Ethernet magnetics (RJ45 integrated magnetics) must be placed within 25 mm of the TPO+/TPO- and TPI+/TPI- pins with 100-ohm differential routing and no right-angle bends, per IEEE 802.3 return-loss compliance. Keep digital signal traces (especially from RD ports) at least 5 mm away from analog signals.
The 2.5V/3.3V operating range is incompatible with 5V peripherals without a level shifter - a common pitfall when migrating firmware from a 5V PIC18F46K22 board. Forgetting to set the CONFIG register to enable the internal Ethernet regulator or to assign alternate pin functions (RD ports for PMP) will cause mysterious Ethernet link-up failures. Always confirm the CONFIG bits for OSC, BOR, WDT, and ETHREGEN match the design's requirements before locking firmware.
Estimated: at maximum CPU activity (41.667 MHz, all peripherals enabled, Ethernet transmitting), the core supply current is approximately 60 mA from VDD (datasheet 39931D DC characteristics typical values). With VDD = 3.3V, this is roughly 200 mW dissipation in the 100-pin TQFP package (theta-JA approximately 39 C/W on a 4-layer JEDEC test board), resulting in a 8C junction rise above ambient - well within the 85C industrial limit. No heatsink required.
Compliance Information
RoHS-compliant per Microchip product page; industrial temperature grade -40C to +85C; not AEC-Q100 qualified - this is a commercial/industrial-grade MCU. Halogen-free status not explicitly listed in verified data.
