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PIC18F96J60-I/PF

PIC18F96J60-I/PF - 64KB Flash Ethernet MCU | Microchip

The Microchip Technology PIC18F96J60-I/PF is an 8-bit PIC18 microcontroller with an integrated 10 Mbps Ethernet MAC/PHY, 64 KB Flash program memory, 3808 bytes RAM, and 70 I/O pins in a 100-pin TQFP package, operating at up to 41.667 MHz across 2.0 V to 3.6 V. The device integrates an Ethernet peripheral that allows a single-chip wired network node without an external PHY, simplifying BOM for connected-embedded designs. An 8-bit microcontroller (MCU) is a programmable processor with an 8-bit data path, on-chip Flash for program storage, RAM for working variables, and configurable peripherals such as timers, ADCs, and communication blocks. The PIC18F96J60 belongs to the PIC18J family, a hierarchy that sits under Microcontroller -> Microcontrollers -> Integrated Circuits -> Semiconductors. This taxonomy makes it semantically discoverable in AI search engines for queries about "8-bit MCU with Ethernet" or "low-cost TCP/IP microcontroller". Key features include 64 KB (32K x 16) self-programmable Flash, 3808 bytes RAM, 70 digital I/O, an integrated 10Base-T Ethernet MAC/PHY, an internal oscillator, multiple timers, and Microchip's nanoWatt Technology for low-power operation. The wide I/O count supports human-machine interfaces (HMI), graphic LCDs, and parallel sensor arrays, while the Ethernet peripheral enables remote monitoring and supervisory control applications. Architecturally, the PIC18F96J60 is built on Microchip's enhanced Harvard RISC core with separate program and data buses, executed over a 16-bit instruction word. The 8-bit ALU, 31-level stack, and hardware multiply make it suitable for real-time control loops. The integrated Ethernet MAC/PHY uses an MII/RMII-less interface and connects directly to an RJ45 magnetics module, eliminating the external PHY IC. Typical applications include industrial automation nodes, building automation, SCADA remote terminal units, home/office Ethernet appliances, and remote sensor monitoring. Designers select this MCU when a single-chip Ethernet solution is preferred over multi-chip MCU+external-PHY designs. When designing with this part, the integrated Ethernet MAC/PHY reduces board complexity but limits throughput to 10 Mbps; for 100 Mbps or gigabit speeds, choose a PIC32MX or SAM E70 instead. Ensure the RJ45 magnetics are properly selected to match the PHY's reference schematic. This page synthesizes distributor pricing, same-brand and cross-brand drop-in alternatives, and practical design notes not found on any single distributor product page.

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PIC18F96J60-I/PT

PIC18F96J60-I/PT - 8-bit MCU 64KB Flash 10BASE-T Ethernet | Microchip

The Microchip Technology PIC18F96J60-I/PT is an 8-bit PIC18 microcontroller IC featuring an integrated 10 Mbps Ethernet MAC+PHY peripheral, 64 KB (32K x 16) of Flash program memory, and 3,808 bytes of RAM, housed in a 100-pin TQFP package measuring 12x12 mm. It operates at up to 41.667 MHz from a 2.35V to 3.6V supply and exposes 70 general-purpose I/O pins, making it a single-chip solution for connected embedded applications. An 8-bit microcontroller (MCU) is a programmable processor that fetches, decodes, and executes instructions on 8-bit data words. PIC microcontrollers from Microchip use a Harvard RISC architecture with separate program and data buses, executing one instruction per clock cycle (four clocks per instruction in some variants). Within the broader semiconductor taxonomy, the PIC18F96J60 belongs to the PIC18 family -> 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. Its integrated Ethernet MAC and 10BASE-T PHY differentiate it from general-purpose MCUs that require an external network controller, simplifying BOM and PCB layout. Key differentiating features of the PIC18F96J60-I/PT include the integrated 10BASE-T Ethernet peripheral with on-chip PHY, 64 KB of self-programmable Flash with typical 100K erase/write cycles, an internal oscillator block, 70 I/O pins with peripheral pin select (PPS) flexibility, and Microchip's nanoWatt Technology for power-managed operation. The device supports in-circuit debugging via ICD and full-speed USB 2.0 full-speed via the USB-on-the-go (OTG) companion parts in the same family. Technically, the PIC18F96J60-I/PT employs an enhanced PIC18 CPU core with a hardware multiplier, 32-level deep hardware stack, and a 16-bit wide instruction path. The integrated Ethernet block follows IEEE 802.3 10BASE-T, supporting both full- and half-duplex with auto-negotiation disabled, HP Auto-MDIX crossover, and 8 KB of dedicated Ethernet buffer RAM carved from the system RAM map. Power consumption is managed through idle, sleep, and deep-sleep modes typical of nanoWatt parts, suiting it for always-on connected sensor nodes. Typical applications include industrial automation controllers with built-in networking, building automation and HVAC gateways, remote sensor monitoring over Ethernet, smart energy metering nodes, and home automation hubs. The wide 70-I/O count and 64KB program memory also suit it for protocol-conversion gateways (Modbus TCP, BACnet) where moderate logic plus wired connectivity are required. When designing with this part, note that the Ethernet PHY magnetics require a 1:1 transformer and 49.9 ohm 1% termination resistors; place them within 25 mm of the ETH+/- pins. The internal oscillator is sufficient for 10BASE-T timing but an external 25 MHz crystal is recommended for jitter-sensitive serial peripherals. This page synthesizes distributor pricing, verified drop-in alternatives, application pairings, and practical design notes not found in the manufacturer datasheet, providing decision-ready information for engineers evaluating the PIC18F96J60-I/PT.

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PIC18F96J60T-I/PF

PIC18F96J60T-I/PF - 8-bit 41.67MHz MCU 64KB Flash Ethernet TQFP-100 | Microchip

The Microchip PIC18F96J60T-I/PF is an 8-bit PIC18 microcontroller from the PIC18F97J60 family with an integrated 10 Mbps Ethernet MAC and PHY, 64 KB of Flash program memory, 3808 bytes of RAM, and 384 bytes of EEPROM, all housed in a 100-pin TQFP (14x14 mm) package. It executes instructions at up to 41.667 MHz (10 MIPS) from its internal oscillator and is targeted at networked embedded applications requiring a single-chip Ethernet node. A microcontroller (MCU) is a single-chip computer containing a CPU, RAM, non-volatile program storage, and programmable I/O peripherals. The PIC18 family is Microchip's 8-bit RISC architecture family positioned within the broader PIC hierarchy: PIC18 -> PIC -> 8-bit MCU -> microcontroller -> embedded computing -> semiconductor. The 'J' sub-family is built on a 3.3V-only process with nanoWatt XLP deep-sleep modes and is positioned between the legacy PIC16 and the 16-bit dsPIC/PIC24 families. Key features include 64 KB Flash (32K x 16), 3808 bytes RAM, 384 bytes EEPROM, 70 general-purpose I/O pins, an integrated 10Base-T Ethernet MAC + PHY, two USARTs, two MSSP (SPI/I2C) ports, a 10-channel 10-bit ADC, and four 16-bit timers. The integrated PHY eliminates the need for an external Ethernet transceiver, which simplifies BOM and PCB layout for connected-node designs. Technically, the '96J60' is distinguished from the '97J60' by its lower memory footprint (64 KB vs 128 KB Flash) but shares the same Ethernet peripheral, the same instruction set, and the same 100-pin TQFP package option. The 'T' suffix indicates Tape & Reel packaging and the 'I' indicates the industrial -40C to +85C temperature grade. Internal regulator-free 3.3V-only operation simplifies power-tree design but requires a clean 3.3V rail. Typical applications include industrial automation nodes, building automation controllers, Ethernet-connected sensors, home control gateways, security panels, and instrumentation with remote monitoring. The integrated Ethernet peripheral is particularly suited to any appliance that needs to publish data to a LAN without an external network processor. When designing with this part, ensure a 3.3V +/- 10% supply and keep the analog/digital ground returns separated near the IC to preserve ADC accuracy. The integrated PHY requires a 1:1 center-tapped transformer (e.g., a Pulse H1102 or equivalent) on the Ethernet line interface; omitting it prevents link establishment. The data on this page synthesizes distributor pricing, drop-in alternatives, and practical design notes that are not collated on the manufacturer's datasheet.

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PIC18F96J60T-I/PT

PIC18F96J60T-I/PT - 64KB 8-Bit PIC MCU with Ethernet | Microchip

The Microchip Technology PIC18F96J60T-I/PT is a 64/80/100-pin 8-bit PIC18 microcontroller with an integrated 10 Mbps Ethernet MAC and 64 KB of Flash program memory. Operating at up to 41.667 MHz from a 2.0 V to 3.6 V supply, the part is delivered in a 100-pin TQFP (12x12 mm) package and targets embedded networking designs that need a single-chip Ethernet node without an external PHY/MAC stack. An 8-bit microcontroller (MCU) is a programmable processor built around an 8-bit data path, commonly used in embedded systems for sensing, control, and human-interface tasks. PIC18 microcontrollers from Microchip Technology extend the baseline PIC16 architecture with 16-bit instructions, linear memory, and C-optimized peripherals. The PIC18F96J60 family sits in the PIC18J sub-family and adds an integrated Ethernet peripheral, making it a member of the broader power-mics microcontroller hierarchy: PIC18F96J60 -> PIC18J -> PIC18 -> 8-bit MCU -> microcontroller -> integrated circuit. Key features include 64 KB of self-programmable Flash, 3808 bytes of RAM, 70 digital I/O pins, 16 channels of 10-bit ADC, two MSSP ports for SPI/I2C, two enhanced USART modules, a 16-bit timer/counter bank, and a 10BASE-T Ethernet MAC with on-chip PHY interface. The internal oscillator block supports software-tunable clocking, eliminating external crystals in many designs and reducing BOM cost. The wide I/O count and rich peripheral mix suit gateway, monitoring, and appliance-class networking products. Technically, the device uses a 16-bit modified Harvard architecture with an 8-level hardware stack, two 8-bit working registers, and a hardware multiply unit. The integrated MAC follows IEEE 802.3 with full/half-duplex support, MAC address filtering, and DMA-assisted frame handling to offload buffer movement from the CPU. CIP (code-protection) and a unique device ID provide IP security, while the In-Circuit Serial Programming (ICSP) interface enables field upgrades. Typical applications include industrial Ethernet nodes, building automation controllers, remote sensor gateways, smart meters, and appliance networking modules that need low-cost internet connectivity. The integrated MAC and on-chip PHY interface lower the bill of materials versus MCU + external MAC solutions. Designers should provide adequate bulk decoupling near the VDD pins and follow Microchip AN871 application-note layout practices for the Ethernet differential pair to meet IEEE 802.3 emissions targets. This page synthesizes distributor pricing, same-package drop-in alternatives, and practical design notes that go beyond what the manufacturer datasheet alone provides.

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PIC18F96J65-I/PF

PIC18F96J65-I/PF - 96KB Flash 8-bit MCU w/ Ethernet | Microchip

The Microchip Technology PIC18F96J65-I/PF is a feature-rich 8-bit PIC18J microcontroller with an integrated 10 Mbps Ethernet MAC/PHY, delivering 41.667 MHz CPU performance with 96 KB (48K x 16) of Flash program memory and 3,808 bytes of RAM, housed in a 100-pin TQFP (14x14 mm) package. This single-chip solution combines a high-performance RISC core, 70 general-purpose I/O pins, and on-chip Ethernet communications peripherals in a single CMOS device. 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.

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PIC18F96J94-I/PF

PIC18F96J94-I/PF - 8-Bit 64MHz 64KB Flash MCU w/ USB & LCD

The Microchip Technology PIC18F96J94-I/PF is an 8-bit PIC18 XLP microcontroller featuring 64KB Flash program memory (32K x 16), 4KB RAM, integrated USB 2.0 full-speed transceiver, and a segmented LCD controller supporting up to 480 segments, all housed in a 100-pin TQFP (14x14 mm) industrial-temperature (-40C to +85C) package. It runs at up to 64MHz (16 MIPS) from a 2.0V to 3.6V supply, delivering high-performance 8-bit computation combined with ultra-low-power nanoWatt XLP technology for battery-friendly designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and programmable peripherals. Within the semiconductor taxonomy, the PIC18F96J94 sits in the 8-bit MCU category, which itself is a subfamily of microcontrollers -> embedded processors -> integrated circuits. Its XLP (eXtreme Low Power) pedigree places it among the lowest-power 8-bit MCUs available, with sleep currents measured in nanoamperas. The addition of USB and LCD segments makes it a uniquely integrated solution for human-interface products. Key features include 64MHz operation at 16 MIPS, 64KB self-programmable Flash, 4KB SRAM, dedicated hardware USB 2.0 full-speed transceiver, segmented LCD driver (up to 480 segments, 96 segments typical), 16-channel 12-bit A/D converter, multiple serial interfaces (UART, SPI, I2C), and nanoWatt XLP power management. The 100-pin TQFP package exposes up to 78 I/O pins with individual interrupt-on-change capability and weak pull-ups, supporting extensive peripheral integration. The architecture uses an enhanced Harvard structure with separate program and data buses, a hardware multiplier, C-compiler-friendly design, and a priority interrupt controller. The integrated USB PHY eliminates the need for an external transceiver; the LCD module has dedicated charge-pump and contrast-control hardware, allowing direct glass connection without external bias components. Typical applications include USB-connected home appliances, medical monitoring instruments with LCD displays, industrial control panels, portable data loggers, automotive accessory clusters, and consumer electronics with segmented LCDs and USB diagnostics. When designing with this MCU, allocate careful pin planning to balance USB signals (D+/D-), LCD segment lines, and analog inputs. Use MPLAB X IDE with the XC8 compiler for development, and verify USB-IF compliance if the design targets certified USB peripherals. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that are not found in the manufacturer datasheet, including same-package PIC18F9xJ94 family members, USB-equipped TQFP-100 PIC18 alternatives, and recommended companion ICs for analog and power sections.

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PIC18F96J94-I/PT

PIC18F96J94-I/PT - 8-bit 64MHz MCU, 64KB Flash, USB/LCD, 100-TQFP | Microchip

The Microchip PIC18F96J94-I/PT is a nanoWatt XLP 8-bit PIC18 microcontroller featuring 64 KB of Flash program memory, 4 KB of RAM, and an integrated full-speed USB 2.0 device controller plus a segmented LCD driver (up to 480 segments). It executes instructions at 16 MIPS from a 64 MHz internal oscillator, all housed in a 100-pin TQFP (12x12x1 mm) industrial-temperature package (-40C to +85C). What is a PIC microcontroller? A PIC (Peripheral Interface Controller) microcontroller is a self-contained system-on-chip that combines a CPU core, program memory, RAM, and configurable peripherals such as ADC, timers, communication ports, and USB. PIC microcontrollers sit within the broader hierarchy: microcontroller -> embedded processor -> semiconductor IC. The PIC18 family specifically uses an enhanced 8-bit architecture with 16-bit instructions, C-compiler-friendly design, and nanoWatt XLP technology for ultra-low sleep current consumption. Key features include 64 KB Flash (32K x 16 words), 4 KB RAM, hardware multiplier, 8-bit ADC, multiple capture/compare/PWM modules, I2C, SPI, UART, and the integrated LCD controller that drives up to 480 segments without external drivers. The nanoWatt XLP technology enables sleep currents in the nanoampere range, making this MCU suitable for battery-powered applications that previously required dedicated low-power controllers. The PIC18F96J94 architecture uses a Harvard design with separate program and data buses. Its 16-bit instruction set delivers 16 MIPS at 64 MHz, while hardware peripherals handle time-critical tasks in the background. Integrated USB 2.0 full-speed device with on-chip transceiver eliminates external PHY components, reducing BOM cost and PCB area. Typical applications include industrial control panels with LCD user interfaces, USB-connected sensor/data-acquisition modules, home appliances with segment LCD readouts, medical devices requiring battery longevity, and embedded instrumentation with both USB connectivity and segmented displays. The combination of LCD + USB on a single 8-bit MCU is uncommon, simplifying multi-interface product designs. When designing with this part, ensure the 3.3V core supply is properly decoupled and that the LCD bias network is sized for the segment count. The integrated USB transceiver eliminates external PHY cost but still requires proper PCB layout per USB specification to pass compliance testing.

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PIC18F96J94T-I/PF

PIC18F96J94T-I/PF - 8-Bit 64MHz 64KB Flash LCD MCU | Microchip

The Microchip Technology PIC18F96J94T-I/PF is an 8-bit PIC18 microcontroller from the PIC® XLP™ 18J family, integrating 64KB of Flash program memory, 4KB of RAM, an integrated segmented LCD driver (up to 480 segments), and a USB 2.0 full-speed device/peripheral/host/OTG transceiver in a 100-pin TQFP (14x14 mm) package. It runs up to 64 MHz (16 MIPS), targets 2.0V–3.6V operation, and uses the company's nanoWatt XLP™ ultra-low-power technology for sleep currents in the microampere range. A PIC18F XLP microcontroller is a member of Microchip's 8-bit PIC18 flash MCU family, which combines a RISC Harvard architecture with on-chip peripherals such as A/D converters, comparators, timers, USB, LCD segment drivers, and rich I/O. Within the broader taxonomy, PIC18F sits between 16-bit PIC24/dsPIC devices and 16-bit entry-level MCUs; compared with PIC16 mid-range parts, PIC18F adds wider 16-bit instruction paths, larger linear addressing, and more sophisticated peripherals. XLP variants emphasize deep-sleep current as low as a few hundred nanoamperes with retention, making them suitable for battery- and energy-harvesting designs. Key features of the PIC18F96J94T-I/PF include 64KB Flash (32K × 16), 4KB RAM, up to 16 MIPS throughput, an integrated USB 2.0 transceiver, a segmented LCD controller supporting up to 480 segments and up to 1/4 duty / 1/3 bias drive, multiple power-managed operating modes (Run/Idle/Sleep with RTCC), a 12-channel 10-bit A/D converter, two analog comparators, hardware real-time clock/calendar with backup, multiple timers, two MSSP (SPI/I²C) modules, two Enhanced USART modules, and nanoWatt XLP™ ultra-low-power modes for extended battery life. The I/PF package designator indicates an industrial temperature grade (-40C to +85C) in a 100-pin TQFP. Typical applications include USB-connected medical devices (glucometers, blood-pressure monitors, portable diagnostic tools), e-metering / utility metering with LCD readouts, home appliances with segment displays, automotive instrument clusters (after AEC-Q100 part-number check), industrial control panels, sensor platforms, and any battery-powered instrument requiring segmented LCD + USB in a single chip. When designing, place the 100-pin TQFP decoupling capacitors directly at each VDDCORE/VDD/VSS pin pair, follow the datasheet's recommended decoupling of 100 nF + bulk caps, and route the USB DP/DM differential pair as a 90 Ω impedance-controlled line. Configure the LCD charge-pump capacitors per the segmented-LCD biasing mode chosen, since bias current scales with mux duty and number of segments driven.

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PIC18F97J60-I/PF

PIC18F97J60-I/PF - 8-bit MCU 128KB Flash 10BASE-T Ethernet | Microchip

The Microchip PIC18F97J60-I/PF is an 8-bit PIC18 microcontroller with an integrated 10BASE-T Ethernet MAC and PHY, 128 KB of Flash program memory and 100-pin TQFP package. Per the manufacturer datasheet, the device runs up to 41.667 MHz, integrates 3808 bytes of RAM, and includes an embedded Ethernet controller that allows a single-chip connection to 10 Mbps networks without an external PHY or MAC. The wide peripheral set (UART, SPI, I2C, 10-bit ADC, PWM, comparators, RTCC) and 70 I/O pins support industrial, building-automation, and remote-monitoring applications. An 8-bit microcontroller (MCU) is a single-chip processor whose internal data path is 8 bits wide. It integrates a CPU, non-volatile program memory (Flash), volatile data memory (RAM), timers, communication peripherals, and I/O into one package. Within the taxonomy, the PIC18F97J60 is an 8-bit MCU -> microcontroller -> embedded controller -> semiconductor. The J-series Flash parts add an on-chip Ethernet MAC/PHY block, removing the need for an external ENC28J60 or similar coprocessor. Key differentiating features include the integrated 10BASE-T PHY (twisted-pair Ethernet) supporting full and half-duplex with auto-negotiation, the nanoWatt Technology XLP power-saving modes for battery-aware designs, and the Flash program memory that supports self-write under firmware control for in-field updates. The part is also available in 64-pin (PIC18F66J60) and 80-pin (PIC18F87J60) variants for board-layout reuse. Architecturally, the PIC18F97J60 uses a Harvard-class RISC core with hardware multiply and a 16-bit instruction word. The Ethernet block exposes a buffered SPI-like host interface to the CPU, freeing the application from bit-banging. The internal 2.5V LDO powers the core from the 3.3V supply so the part is single-rail powered. Typical applications include industrial automation controllers, building-automation gateways, HVAC control, sensor nodes with Ethernet uplink, and remote-management appliances. Anywhere a designer needs a wired-network endpoint with deterministic 8-bit firmware control, the integrated MAC/PHY lowers BOM and PCB area. For battery-backed nodes, the XLP sleep modes keep quiescent draw in the microampere range. When designing with this part, ensure the 3.3V rail can source 250 mA peak during Ethernet activity, follow Microchip AN1123 PCB-layout rules for the 10BASE-T magnetics and RJ-45, and reserve enough Flash for the TCP/IP stack (Microchip's MLA / TCP-IP Lite typical patterns). Pair the MCU with a 25 MHz crystal and dedicated magnetics for robust 10BASE-T link integrity.

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PIC18F97J60-I/PT

PIC18F97J60-I/PT - 8-bit MCU w/ 10Mbps Ethernet, 128KB Flash

The Microchip PIC18F97J60-I/PT is a feature-rich 8-bit PIC18 microcontroller with an integrated 10 Mbps Ethernet MAC/PHY communications peripheral, providing a single-chip solution for embedded networking. It operates at up to 41.667 MHz (16 MIPS) from a 2.0-3.6 V supply and integrates 128 KB of Flash program memory, 3,808 bytes of RAM, and a 10-bit ADC with up to 16 channels, all housed in a 100-pin TQFP (PT) package. A microcontroller (MCU) is a single-chip computer that combines a CPU core, program memory (Flash), data memory (RAM), and a rich set of on-chip peripherals such as timers, ADCs, communication controllers, and I/O ports. The PIC18F97J60 belongs to Microchip's PIC18J family, which uses a 16-bit enhanced Harvard architecture that targets higher-performance, Ethernet-connected embedded designs. Its hierarchy places it within 8-bit microcontrollers -> Microchip PIC family -> PIC18 high-performance sub-family -> PIC18J Ethernet-enabled series. Key features include the integrated IEEE 802.3 10BASE-T Ethernet controller with on-chip PHY and dedicated DMA, an 8-channel hardware modulator for IrDA/SIR, two MSSP (SPI/I2C) ports, two USART modules, two capture/compare/PWM modules, and 70 I/O pins. The on-chip PHY eliminates external Ethernet magnetics and dramatically reduces BOM cost compared to MCU-plus-external-MAC designs. The device uses an enhanced RISC pipeline with 32-level hardware stack and vectored interrupts, executed from Flash or external memory. The 100-pin TQFP package provides abundant I/O for parallel buses and memory-mapped LCDs, while a wide operating voltage of 2.0-3.6 V and -40C to +85C industrial temperature range support harsh industrial environments. Typical applications include industrial automation (Modbus/TCP gateways, remote sensor nodes), building automation (BACnet/IP controllers, access panels), and remote monitoring (web/SCADA interfaces). The integrated Ethernet peripheral makes the part especially attractive for designers replacing RS-485 or CAN-based infrastructure with low-cost TCP/IP connectivity. When designing with the PIC18F97J60-I/PT, allocate at least 8 KB of Flash for the TCP/IP stack (Microchip's MLA or Harmony-based stack) and carefully observe the Ethernet PCB layout guidelines (4-layer board, controlled-impedance 100-ohm differential traces, dedicated ground pour). The internal 3.3 V LDO must be bypassed with 10 uF and 0.1 uF capacitors placed close to the VDD pins.

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PIC18F97J94-I/PF

PIC18F97J94-I/PF - 8-Bit 64MHz 128KB Flash USB/LCD MCU | Microchip

The Microchip PIC18F97J94-I/PF is an 8-bit PIC® XLP™ microcontroller running at up to 64 MHz (16 MIPS), integrating 128 KB Flash, 4 KB SRAM and segmented-LCD + Full-Speed USB on-chip peripherals in a 100-pin TQFP (14x14 mm) package. It is the highest-pin-count, highest-memory member of the PIC18F97J94 family and is specified for the industrial -40C to +85C range, supported by a 2.5V/3.3V dual-rail supply architecture. An 8-bit microcontroller (MCU) is a single-chip processor that combines a CPU, non-volatile program memory, volatile data memory and multiple peripheral blocks into one IC; PIC microcontrollers from Microchip use a Harvard RISC architecture with separate program and data buses and a small, deterministic instruction set, making them well suited to embedded control where deterministic interrupt latency and low BOM cost matter more than raw compute. Within the PIC family, the PIC18F97J94 sits at the high pin-count edge and is the first 8-bit PIC MCU to combine a 100-pin footprint, 128 KB Flash, integrated LCD driver (up to 480 segments) and Full-/Low-Speed USB in a single silicon die. Key features of the PIC18F97J94-I/PF include integrated Full-Speed USB 2.0 (device/host/OTG), a segmented LCD controller capable of up to 480 pixels across 64 commons, 8 KB of dedicated data EEPROM, nanoWatt XLP deep-sleep current in the microamp range, up to 53 digital I/O, multiple Enhanced USART, SPI and I2C peripherals, a 12-bit ADC with up to 16 channels, and a real-time clock plus calendar (RTCC) module. The 100-pin TQFP (PF) footprint exposes the full LCD segment bus, USB PHY pins and the external memory interface, which is why the family tops out at this package. Architecturally, the PIC18F97J94 is built on an enhanced PIC18 Harvard core with a 16-bit instruction word and an 8-bit data path, fed by a 4-phase PLL that supports the 64 MHz (16 MIPS) FOSC target. The segmented LCD driver uses an internal charge pump and dedicated bias resistors so the part can drive displays from a single 2.5V or 3.3V rail, while the USB transceiver is on-die (no external PHY required). The nanoWatt XLP technology adds multiple low-power modes (Run, Idle, Sleep, Deep Sleep, Low-Power Sleep) with RTCC, WDT and interrupt wake-up for battery-powered designs. Typical applications for the PIC18F97J94-I/PF include USB-connected medical devices such as glucose meters and portable monitors, industrial HMI panels with segment LCD + capacitive touch, consumer appliances requiring a built-in display and USB charging interface, automotive interior accessory clusters (where its LCD + USB combination is a strong fit), and embedded IoT edge nodes that need low standby current plus a physical readout. The 128 KB Flash also allows a full USB stack, LCD driver and application UI to coexist without external memory. When designing with this part, designers should pay attention to the dual-voltage requirement (2.5V core from an internal regulator derived from a single 2.5V-3.3V VDD, plus a separate VDDIO/USB domain in many boards), provide adequate decoupling on both rails, and use the PIC18F97J94's onboard charge-pump capacitors carefully for the LCD driver. Programming is supported through Microchip's MPLAB X IDE and ICD 3 / PICkit 4 debug probes. This page synthesizes the Microchip PIC18F97J94 family datasheet, distributor pricing (as of 2026-09-28), and same-pin TQFP-100 drop-in alternatives from Microchip's PIC18F9xJ9x and PIC18F8xJ9x families that are not found on a typical DigiKey or Mouser product page.

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PIC18F97J94-I/PT

PIC18F97J94-I/PT - 8-Bit 64MHz MCU, 128KB Flash, USB & LCD | Microchip

The Microchip PIC18F97J94-I/PT is an 8-bit PIC18 microcontroller delivering 16 MIPS at 64 MHz, with 128 KB Flash and 4 KB RAM in a 100-pin TQFP (12x12) package. It integrates full-speed USB 2.0, a segmented LCD driver (up to 480 segments), and nanoWatt XLP ultra-low-power technology for battery-friendly designs. An 8-bit microcontroller (MCU) is a single-chip computer that combines a CPU, program memory, data memory, and peripherals on one die. PIC18F-series devices use Microchip's enhanced Harvard RISC architecture with a 16-bit instruction word and an 8-bit data path, and they sit in the wider taxonomy as PIC microcontroller -> 8-bit MCU -> microcontroller -> embedded processor -> integrated circuit. nanoWatt XLP extends that hierarchy with sub-uA sleep currents that compete with low-power 16-bit MCUs in always-on applications. Key features include up to 100 GPIO, a 12-bit ADC (up to 24 channels), multiple communication peripherals (2x I2C, 2x SPI, 2x UART + EUSART), and a charge time measurement unit (CTMU) for capacitive touch sensing. The 100-pin TQFP exposes the maximum pin count in the PIC18F9xJ94 family, enabling full parallel-port access alongside the integrated LCD controller. Architecturally, the J94 family adds USB Full-Speed hardware plus a hardware cryptographic accelerator and RTCC with calendar mode over a wide 2.0V-3.6V core range. The 128 KB Flash is the largest in the 8-bit PIC portfolio and supports self-programming for bootloader/field updates. Typical applications include USB human-interface devices (HID) with LCD readout, industrial segment-LCD control panels, glucose meters and other battery-powered medical instruments, and e-metering with capacitive-touch keypads. The wide pin count and peripheral mix also suit graphical segment LCD front panels in appliances. A key design consideration is the 2.0V-3.6V VDD range: USB transceivers require a stable 3.3V rail, so a dedicated LDO is recommended ahead of VUSB. The 12x12 mm TQFP-100 package needs a 4-layer PCB with adequate ground pour for thermal and EMI performance at 64 MHz. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes beyond what the manufacturer datasheet alone provides, supporting faster part selection and BOM validation.

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PIC18F97J94T-I/PT

PIC18F97J94T-I/PT - 8-Bit 64MHz 128KB Flash USB/LCD MCU | Microchip

The Microchip Technology PIC18F97J94T-I/PT is a high-performance 8-bit PIC18 microcontroller featuring a 64 MHz CPU clock (16 MIPS instruction throughput), 128 KB of flash program memory, and 4 KB of RAM, integrated in a 100-pin TQFP (12x12x1 mm) tape-and-reel package. The "T" suffix denotes tape and reel packaging while "I" denotes the industrial -40C to +85C operating temperature range and "PT" identifies the 100-pin TQFP package. What is a PIC18 microcontroller? The PIC18 family is Microchip's high-end 8-bit RISC architecture, designed around an enhanced Harvard bus with separate program and data paths. These devices combine easy-to-program flash memory, rich peripheral integration (USB, LCD, ADC, comparators, PWM), and ultra-low-power nanoWatt XLP technology that delivers sleep currents below 1 uA. PIC18 microcontrollers sit between simple PIC16 parts and 16-bit dsPIC/PIC24 devices, serving cost-sensitive embedded applications that need more memory, code space, and I/O than entry-level 8-bit MCUs but do not require a 32-bit core. Key differentiating features of the PIC18F97J94 include integrated USB 2.0 full-speed (12 Mbps) device/host/OTG, a segmented LCD driver supporting up to 480 segments, nanoWatt XLP low-power modes, and the largest flash density (128 KB) ever offered in an 8-bit PIC at the time of release. The 100-pin TQFP exposes up to 70 I/O pins, two MSSP (SPI/I2C), two EUSART, a 12-bit ADC with up to 16 channels, and multiple timers. Technically, the part operates from 2.0 V to 3.6 V, executes instructions at 64 MHz (16 MIPS, 200 ns per instruction), and supports in-circuit serial programming (ICSP) plus self-programmability. The internal 31 kHz low-power oscillator and the 8 MHz internal RC provide flexible clocking without external crystals. The hardware LCD controller can drive glass with 4 common, 8 common, or higher multiplex schemes. Typical applications include USB peripherals, e-metering, medical instrumentation with LCD, consumer appliances, white goods, and industrial control panels that benefit from on-chip segmented LCD and USB connectivity in a single 8-bit solution. When designing with this part, ensure the 2.0 V to 3.6 V supply rail is well-decoupled and that the AVDD/AVSS pair is tied to clean analog supply to maximize ADC performance. The 100-pin TQFP land pattern requires standard SMT reflow up to 260C peak per JEDEC J-STD-020. This page synthesizes distributor pricing, 100-pin TQFP drop-in alternatives from the same PIC18F family, and practical design notes not found in the manufacturer datasheet.

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PIC18LC242-I/SO

PIC18LC242-I/SO - 8-Bit 40MHz 16KB OTP MCU | Microchip

The Microchip Technology PIC18LC242-I/SO is an 8-bit CMOS OTP-based PIC microcontroller operating at up to 40 MHz with 16 KB of program memory (8K x 16), packaged in a 28-pin SOIC (7.50 mm width). It delivers 10 MIPS performance (100 ns instruction execution) from Microchip's PIC18 enhanced architecture with 77 single-word instructions, single-cycle hardware multiplier, and prioritized interrupts. A microcontroller (MCU) is a single-chip computer containing a CPU, program memory, RAM, and peripheral set. The PIC18 family represents Microchip's high-performance 8-bit tier, sitting above baseline PIC16 parts in instruction set richness and peripheral count. PIC18LC variants are the low-voltage (2.0 V to 5.5 V) siblings of the PIC18F flash parts, offering OTP programmability for cost-sensitive production. The LC sub-family is positioned between baseline PIC16 and higher-pin-count PIC18F parts in Microchip's 8-bit hierarchy: PIC16 -> PIC18LC (OTP, low-voltage) -> PIC18F (flash) -> PIC18F J/K-series (high-performance). Key features include 512 bytes of data RAM, 22 digital I/O lines, an integrated 10-bit A/D converter with multiple channels, a USART module for asynchronous serial communication, MSSP for SPI/I2C, Capture/Compare/PWM modules, and support for external oscillator operation up to 40 MHz (or 4 to 10 MHz with PLL). The -I suffix denotes the industrial temperature range of -40 C to +85 C. The PIC18LC242 uses a RISC-style Harvard architecture with 16-bit wide instructions and an 8-bit data path. The OTP (One-Time Programmable) program memory makes it ideal for high-volume production where firmware is finalized and reprogramming is not required, lowering per-unit cost compared with flash-based PIC18F equivalents. The 28-SOIC package provides a 7.50 mm body width suitable for through-hole-style PCB prototyping or surface-mount production. Typical applications include industrial control loops, motor control interfaces, sensor signal conditioning, low-cost embedded control nodes, and consumer appliance control. Its compact 28-pin footprint, A/D converter, and PWM outputs also suit HVAC damper/valve actuation and small appliance user-interface boards. When designing with this part, note that Microchip recommends the flash-based PIC18F242 as the recommended new design replacement for the PIC18LC242 family. Engineers should plan firmware migration paths if field upgrades or design-for-test flexibility are required. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found on any single manufacturer or distributor page.

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PIC18LC242T-I/SO

PIC18LC242T-I/SO - 8-bit PIC MCU, 16KB OTP, 40MHz | Microchip

The Microchip Technology PIC18LC242T-I/SO is an 8-bit PIC18C-series microcontroller built around a high-performance RISC architecture with 16 KB (8K x 16) of One-Time-Programmable (OTP) program memory and 512 bytes of RAM, operating at up to 40 MHz (10 MIPS) in a 28-pin SOIC wide-body package. An 8-bit PIC microcontroller is a Harvard-architecture RISC device where program and data memories are accessed via separate buses, enabling single-cycle instruction execution. The OTP variant ships factory-programmed and is intended for low-to-mid volume production where firmware does not need post-shipment updates. The PIC18C family extends the original PIC16 instruction set with 16-bit instructions, an 8-bit data path, and a hardware 8x8 single-cycle multiplier, placing it in the broader Microchip MCU taxonomy above baseline PIC16 parts and below the flash-based PIC18F and PIC18K families. Key features include 22 I/O pins (23 on related datasheet variants), an external oscillator interface that supports 4-10 MHz crystals with PLL active or a 40 MHz external clock, 8-level interrupt priority, and an analog/digital peripheral set that includes capture/compare/PWM modules, a 10-bit ADC, and an MSSP (Master Synchronous Serial Port) for I2C/SPI. Power-fail detection and a programmable brown-out reset (BOR) circuit protect against unstable supply transitions during 4.0V-5.5V operation. The architecture separates instruction fetch (16-bit) from operand access (8-bit), letting the CPU sustain 10 MIPS throughput at 40 MHz while keeping peripheral and interrupt latency deterministic. Internal oscillator calibration, dual analog comparators, and sleep/idle modes balance compute performance against the low-power envelope needed in industrial and embedded designs. Typical applications include industrial control loops, automotive body and chassis subsystems (the LC supply range supports 3.0V-5.5V battery-backed operation), consumer white goods, HVAC controls, and power-conversion front-ends where the MSSP drives a digital PFC stage. The wide-body SOIC footprint suits hand-repair and through-hole-compatible assembly lines that prefer surface-mount packages with strong mechanical leads. Designers should note the LC suffix indicates a low-voltage core (3.0V-5.5V), not the 5.0V-5.5V F variant; mismatching the supply rail is a common bring-up fault. The MSSP module has documented anomalies on certain revisions - engineers should review Microchip silicon errata before locking the firmware design. This page synthesizes distributor pricing, tape-and-reel packaging options, drop-in alternatives within the PIC18 family, and practical PCB-layout notes not present in the Microchip datasheet.

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PIC18LC252-I/SO

PIC18LC252-I/SO - 8-Bit 40MHz 32KB OTP MCU | Microchip

The Microchip Technology PIC18LC252-I/SO is an 8-bit CMOS RISC microcontroller belonging to the PIC PIC® 18C family, delivering 10 MIPS performance through 100 ns instruction execution. It integrates 32 KB (16K x 16) of One-Time-Programmable (OTP) program memory, 1536 bytes of RAM, and 23 digital I/O pins, all housed in a 28-pin SOIC package with 0.295-inch (7.50 mm) body width. An 8-bit microcontroller (MCU) is a programmable logic device built around an 8-bit data path that executes simple instructions at low-to-moderate clock speeds, typically used in embedded control applications. Within the semiconductor hierarchy, the PIC18LC252 sits under: microcontroller -> embedded processor -> integrated circuit (IC) -> semiconductor. It uses Harvard architecture (separate program and data buses) and RISC instruction set with only 77 single-word instructions, simplifying firmware development and reducing code size relative to CISC 8-bit alternatives. Key features include a 10-bit ADC, multiple timers, USART, SPI, and I2C peripherals, plus industrial-grade operating temperature of -40 °C to +85 °C. The "LC" suffix indicates a low-voltage core (2.5 V to 5.5 V operation) suitable for battery-powered designs. Hardware multiplier, 16-bit wide instruction word, and 32 KB program storage make this device suitable for moderately complex control firmware. The 28-SOIC package offers easy hand-soldering and broad compatibility with through-hole-style prototyping on SMD adapter PCBs. The PIC18LC252-I/SO uses an OTP program memory architecture, meaning firmware is permanently written during manufacturing or in-system programming and cannot be erased. This contrasts with FLASH-based siblings (PIC18F252) which support in-application reprogramming. PIC18 microcontrollers are upwards compatible across the family, allowing code migration to higher pin-count or larger memory variants without architectural changes. Typical applications include industrial control systems, sensor signal conditioning, motor control interfaces, low-power instrumentation, and legacy embedded product retrofits. The industrial temperature range and OTP memory target cost-sensitive, high-volume, field-deployed products where firmware revision is finalized at production time. When designing with this device, note that OTP memory cannot be field-upgraded - choose the PIC18F252 flash-based variant if firmware revision is anticipated. The 28-SOIC footprint is shared with PIC18F242/F252, allowing PCB layout reuse between prototype (FLASH) and production (OTP) builds. This page synthesizes distributor pricing, pin-compatible alternatives across PIC18C/F families, and practical OTP vs FLASH selection guidance not found in the manufacturer datasheet alone.

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PIC18LC252T-I/SO

PIC18LC252T-I/SO - 8-Bit 40MHz MCU, 32KB OTP, 28-SOIC | Microchip

The Microchip Technology PIC18LC252T-I/SO is an 8-bit PIC18 microcontroller from the PIC® 18C family, operating at up to 40 MHz with 32 KB (16K x 16) of One-Time-Programmable (OTP) program memory and 1.5 KB of RAM, housed in a 28-pin SOIC wide-body (7.50 mm) package. It is the low-voltage "LC" variant of the PIC18C252, qualified for 3.3 V and 5 V operation from a dual-voltage design, and includes a 5-channel, 10-bit Analog-to-Digital Converter (ADC) along with integrated I²C, SPI, and UART/USART peripherals for serial communication. The part ships in Tape & Reel ("T") packaging with industrial temperature grade ("I"), supporting operation from -40 °C to +85 °C. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, and a set of peripheral interfaces on one die, enabling embedded control in everything from consumer appliances to industrial equipment. Within the system hierarchy, the PIC18LC252T-I/SO is classified as: microcontroller -> embedded processor -> integrated circuit -> semiconductor device. The PIC18 instruction set is an 8-bit RISC architecture with 16-bit instructions, 77 instructions, and hardware multiply, which simplifies arithmetic-heavy embedded code compared with legacy 8-bit CISC cores. Key features of this part include 23 digital I/O lines, hardware USART with LIN support, a Master Synchronous Serial Port (MSSP) that supports SPI and I²C (master/slave), two 8-bit timers plus three 16-bit timers, a 10-bit 5-input ADC, and a programmable Brown-Out Reset (BOR) circuit. The OTP program memory allows one-time factory or field programming, which is typical for cost-sensitive, low-volume production or development. The "LC" low-voltage core provides reduced power consumption versus the standard "C" core while maintaining pinout and peripheral compatibility within the PIC18C252 family. Typical applications include low-power sensor conditioning nodes, automotive body modules (non-safety), industrial control front-ends (HMI keypads, motor drivers), and consumer appliances such as white goods controllers. The combination of OTP memory, 23 I/O, and on-chip ADC is well matched to legacy PIC18 firmware where customers wish to preserve code investment while migrating to a low-voltage (3.3 V) supply rail. When designing with this device, ensure that Vdd is decoupled with a 100 nF ceramic close to the pin and that the MCLR pin is pulled high through a resistor (4.7 kΩ typical). Programming is performed via ICSP (In-Circuit Serial Programming) using PGD/PGC; designers should isolate the ICSP lines from the application circuitry to avoid loading during programming. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes that supplement the Microchip datasheet, helping engineers qualify a substitute or source the part for new designs.

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PIC18LC442-I/L

PIC18LC442-I/L - 8-bit MCU, 16KB OTP, 40MHz, 44-PLCC | Microchip

The Microchip Technology PIC18LC442-I/L is an 8-bit PIC microcontroller built on the Harvard-architecture PIC18C core, featuring 16KB of One-Time Programmable (OTP) program memory and 512 bytes of RAM, housed in a 44-pin PLCC (J-Lead) package. It executes instructions at up to 40 MHz and operates across a 2.5V-5.5V low-voltage range typical of the LC family. The device provides 33 digital I/O lines, integrated analog and digital peripherals, and a 16-bit instruction word architecture. A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (Flash/ROM/OTP), data memory (RAM), and integrated peripherals such as timers, ADCs, and communication interfaces. The PIC18LC442 belongs to the PIC18 family of 8-bit microcontrollers, which sits in Microchip's broader PIC product hierarchy: PIC18 -> PIC microcontrollers -> 8-bit MCUs -> microcontrollers -> integrated circuits -> semiconductors. The 'LC' suffix denotes the low-voltage variant optimized for 3.3V operation, while the 'I' industrial temperature suffix matches all refrigerator variants. Key differentiating specifications include 16KB (8K x 16) of OTP program memory, 512 bytes of RAM, 33 I/O pins, and a 40 MHz maximum clock speed. The PIC18 core supports a RISC instruction set with 77 instructions and a 16-bit wide instruction word, delivering ~10 MIPS performance at 40 MHz. Integrated peripherals include multiple timers, a 10-bit ADC, USART, and a synchronous serial port (SSP) supporting SPI and I2C. The 44-pin PLCC package provides robust through-hole mounting suitable for industrial and legacy designs. The PIC18LC442 architecture uses a 16-bit program memory bus with 8-bit data path, enabling efficient C compiler support while preserving the deterministic behavior of the PIC legacy. The 'LC' low-voltage core allows operation down to 2.5V, suiting battery-powered and 3-ULP applications. The OTP memory is one-time programmable, meaning each device can be written exactly once - making this part cost-effective for high-volume production but unsuited to field firmware updates. Typical applications include industrial control systems, legacy embedded designs, motor control front-ends, sensor signal processing, and consumer electronics where 8-bit processing is sufficient. Its through-hole 44-PLCC package suits test fixtures and hand-soldered prototypes, while the LC voltage range covers both 3.3V and 5V rails. When designing with this device, observe that OTP memory requires code to be fully validated before programming. Ensure the supply rail stays within 2.5V-5.5V; for 5V-only operation, use the PIC18C442 or PIC18F442 variants. The 44-PLCC socket allows easy firmware swap in development. This page synthesizes distributor pricing, drop-in pin-compatible alternatives across the PIC18 family, and practical design notes not aggregated in a single manufacturer datasheet view.

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PIC18LC442-I/P

PIC18LC442-I/P - 8-bit 40MHz 16KB OTP MCU | Microchip

The Microchip Technology PIC18LC442-I/P is an 8-bit PIC18C-family microcontroller with a 40 MHz CPU core, 16 KB of One-Time Programmable (OTP) program memory, and 512 bytes of RAM, packaged in a 40-pin PDIP (P) through-hole form. The 'LC' suffix denotes the low-voltage variant operating from 2.0 V to 5.5 V, while the '-I' indicates the industrial -40C to +85C temperature range. What is a PIC18C microcontroller? The PIC18C/PIC18F family is Microchip's high-performance 8-bit RISC architecture, sitting one tier above the baseline PIC16 and below the dsPIC/PIC32 16- and 32-bit families. PIC18C parts use One-Time Programmable (OTP) EPROM for program storage, distinguishing them from the flash-based PIC18F parts that supersede this older line. PIC18 devices deliver up to 10 MIPS performance, feature a hardware 8x8 multiplier, and provide C-friendly architectures with 16-bit-wide instructions and 8-bit-wide data paths. Key features of the PIC18LC442-I/P include 34 digital I/O pins, an integrated 10-bit Analog-to-Digital Converter (ADC) with multiple input channels, dual capture/compare/PWM (CCP) modules, an enhanced USART, MSSP (I2C/SPI) interface, multiple timer modules, and a priority-leveled interrupt controller. The 40-pin PDIP package provides ample I/O count for embedded applications, breadboard prototyping, and through-hole manufacturing. The OTP memory architecture is the critical differentiator from PIC18F flash-based siblings like the PIC18F442. OTP parts are programmed once at production and cannot be re-flashed, making them suitable for mature, volume-deployed products where field updates are not required. The LC voltage range (2.0 V to 5.5 V) supports battery-powered and low-voltage designs. Typical applications include industrial control modules, HVAC controllers, automotive body electronics, instrumentation front-ends, motor control boards, security/alarm panels, and cost-sensitive consumer appliances. The 40 MHz performance supports real-time DSP-style processing at modest computational loads. When designing with this device, ensure your code is fully validated before programming because OTP cannot be erased or rewritten. For development, use a flash-based PIC18F variant or a windowed (JW) part for UV-eraseable prototypes. This page synthesizes distributor pricing, drop-in alternatives within the same PIC18 40-pin PDIP footprint, and practical design notes not found in the standalone manufacturer datasheet, enabling faster component selection for production designs.

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PIC18LC442-I/PT

PIC18LC442-I/PT - 8-bit MCU, 16KB Flash, 34 I/O | Microchip

The Microchip PIC18LC442-I/PT is a low-voltage 8-bit RISC microcontroller from the PIC18 family, featuring 16 KB of Flash program memory, 512 bytes of SRAM, and 34 digital I/O lines. It is housed in a 44-pin TQFP (PT) surface-mount package and operates across an industrial temperature range of -40C to +85C. An 8-bit microcontroller (MCU) is a programmable computing integrated circuit that combines a CPU, non-volatile program memory, working RAM, and a rich set of peripherals (timers, ADC, UART, I/O ports) on a single silicon die. PIC18C and PIC18F microcontrollers from Microchip use a Harvard RISC architecture with separate program and data buses, C-compiler-optimized instruction set, and source-code compatibility with the legacy PIC16C family. The 'LC' variant of PIC18 is specified for a lower supply-voltage range than the standard PIC18F, enabling battery-powered and 3.3 V-only designs where an LDO is preferred over a switching converter. Key features of the PIC18LC442 include up to 10 MIPS execution throughput from a 40 MHz oscillator (or 10 MHz with the on-chip PLL), a 10-bit multi-channel Analog-to-Digital Converter (ADC), a single-cycle hardware 8x8 multiplier, two 8-bit and three 16-bit timers, two analog comparators, an I2C/SPI master/slave USART, and a priority-leveled interrupt controller. The 34 I/O pins drive LED indicators, keypads, sensors, and small displays in appliance- and industrial-control boards. Architecturally, the PIC18LC442 uses Microchip's enhanced mid-range core with 16-bit-wide instructions and an 8-bit data path. Its 8-level hardware stack, indexed addressing modes, and multiply/divide hardware accelerate C-compiled code, which is unusual for 8-bit MCUs and makes it suitable for C development toolchains (MPLAB XC8). The on-chip ADC supports both analog and digital conversion, while the USART supports RS-232/RS-485 asynchronous communication plus SPI/I2C synchronous modes for sensor and EEPROM interfaces. Typical applications include industrial-control front panels, appliance user interfaces, smart sensors, low-power handheld instruments, building automation nodes, and small motor-control boards where 5V-tolerant signal chains and ADC inputs coexist. The wide supply-voltage tolerance makes it appropriate for both 5V-regulated and battery-powered products. When designing with the PIC18LC442, ensure the MCLR reset pin is correctly biased with the recommended pull-up resistor and that the decoupling capacitors are placed within a few millimeters of VDD/VSS pins. For new designs, evaluate the pin-compatible PIC18F442 first - it has wider supply tolerance and is typically more available than the LC variant. This page synthesizes distributor pricing, package-level alternatives, and engineering guidance not bundled with the MIFARE datasheet PDF, providing context not found on DigiKey or Mouser alone.

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PIC18LC442T-I/L

PIC18LC442T-I/L - 16KB Flash, 8-bit MCU, 44-PLCC | Microchip

The Microchip PIC18LC442T-I/L is an 8-bit RISC microcontroller from the PIC18C family, providing 16KB (8K x 16) of program memory, 512 bytes of SRAM, and 33 digital I/O lines in a 44-pin PLCC (J-Lead) package supplied on Tape & Reel. The device integrates a 10-bit multi-channel ADC, supports external oscillator inputs up to 40 MHz, and runs an enhanced instruction set at up to 10 MIPS, making it suitable for low-power 3.3V/5V embedded control. Background: A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (ROM/Flash), working memory (RAM), and programmable I/O peripherals. The PIC18 family is Microchip's 8-bit RISC architecture, succeeding the PIC16 by adding a 16-bit instruction word (kept 8-bit for data path), hardware multiplier, and prioritized interrupts. The 'LC' suffix denotes the low-voltage CMOS variant optimized for 3.3V/5V dual-rail operation, while the 'I' suffix specifies the -40C to +85C industrial temperature range. Key features include single-cycle hardware multiplication, priority-leveled interrupts, 10 MIPS sustained throughput, a wide 2.0V to 5.5V operating range, and built-in In-Circuit Serial Programming (ICSP) for field updates. The 33 I/O pins each source/sink up to 25 mA, enabling direct LED or relay drive without external buffers. Architecturally, the device combines a Harvard-style RISC core with 16-bit instructions and an 8-bit data path, a 10-bit ADC with up to 8 input channels, three timer/counter modules, a USART with addressable mode, and a Master Synchronous Serial Port (MSSP) supporting SPI and I2C. The 16KB program memory is OTP/EPROM-based on the 'C' part family, distinguishing it from later flash-based PIC18F variants. Typical applications include industrial automation controllers, HVAC sensor interfaces, motor control peripherals, low-end human-machine interface (HMI) panels, and embedded automotive body electronics. The wide voltage range also enables battery-powered instrumentation with single Li-ion cell support. Compared to PIC18F flash counterparts, the PIC18C EPROM variant is typically chosen for mature, mask-stable production runs. Design consideration: When migrating to PIC18LC442T-I/L, ensure the PLL configuration and oscillator mode match the datasheet reference design; the 'LC' variant requires careful brown-out voltage selection for low-voltage operation. ISP/ICSP programming requires dedicated pin allocation that must be reserved during PCB design. This page synthesizes distributor pricing, drop-in alternatives across the PIC18 family, and practical design notes not found in the manufacturer datasheet, including a side-by-side comparison with flash-based PIC18F equivalents.

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PIC18LC452-I/P

PIC18LC452-I/P - 32KB OTP 8-bit MCU, 40MHz, 40-PDIP | Microchip

The Microchip Technology PIC18LC452-I/P is a high-performance 8-bit RISC microcontroller based on the PIC18 architecture with 32KB of One-Time-Programmable (OTP) program memory and 1536 bytes of RAM, packaged in a 40-pin PDIP through-hole form factor. It executes instructions in 100 ns (10 MIPS) at a 40 MHz clock, features 34 digital I/O lines, 12 channels of 10-bit ADC, and operates from 2.0 V to 5.5 V for low-power (L) variants. The "LC" suffix indicates a low-power CMOS process node optimized for battery and portable applications. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, working RAM, and peripheral interfaces on a single die. The PIC18 family belongs to the broader taxonomy of microcontrollers -> embedded controllers -> microprocessors -> semiconductors, and specifically targets high-performance 8-bit applications where deterministic timing, low power, and C-compiler optimized instruction sets are valued. The PIC18LC452 sits within Microchip's legacy PIC18C series of OTP-programmed devices, source-code compatible with PIC16C7X pinouts. Key specifications include four 16-bit timer/counter modules (Timer0/1/2/3) with selectable prescaler, dual Capture/Compare/PWM (CCP) modules, a USART with addressable addressing, an SPI/I2C-compatible master/slave synchronous serial port, three external interrupt sources, and high-current 25 mA sink/source capability per I/O. An 8x8 hardware multiplier, 16-bit instructions, and a 31-level hardware stack support efficient C code generation. The PIC18LC452 utilizes an enhanced Harvard architecture with separate program and data buses, an 8-bit data path, and 16-bit instructions. Its analog peripherals include a 10-bit ADC with up to 12 input channels, while digital peripherals include a Parallel Slave Port for external memory expansion and a programmable low-voltage detection (LVD) module. The OTP memory model suits prototyping and low-to-mid volume production where field firmware updates are not required. Typical applications include industrial control logic, sensor signal conditioning, low-power data acquisition, motor control driver boards, and educational embedded platforms. Its wide operating voltage range supports both 3.3 V and 5 V rails commonly found in legacy industrial and consumer designs. The DIP-40 package enables easy breadboarding and hand-soldering for prototypes and hobbyist projects. When designing with this device, choose the LC variant when battery operation is required; the standard PIC18C452 has a tighter voltage range. Ensure the MCLR reset circuit includes the recommended 10 kΩ pull-up and decoupling capacitor, and configure the CONFIG fuses during programming to lock peripheral features. This page synthesizes Microchip-anchored specifications, distributor pricing, and drop-in alternatives from the same PIC18 family not found on a single manufacturer page.

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PIC18LC452-I/PT

PIC18LC452-I/PT - 8-bit MCU, 32KB OTP, 40MHz, 44-TQFP | Microchip

The Microchip Technology PIC18LC452-I/PT is a high-performance 8-bit microcontroller built around an enhanced RISC architecture, featuring 32KB of One-Time-Programmable (OTP) program memory, 1536 bytes of RAM, and 34 digital I/O pins in a 44-pin TQFP package. It executes instructions at up to 10 MIPS from a 40 MHz oscillator, with a 16-bit wide instruction word and 8-bit wide data path optimized for C-compiled code efficiency. The integrated 10-bit ADC, multiple timers, CCP modules, and USART make it suitable for mixed-signal embedded designs. An 8-bit microcontroller (MCU) is a programmable computing IC that integrates a CPU, non-volatile program memory, working RAM, and a rich set of peripherals on a single die. PIC18 microcontrollers from Microchip are positioned above baseline PIC16 parts in the hierarchy PIC10/12/16 -> PIC18 -> PIC24 -> dsPIC -> 32-bit MCUs, offering higher clock speeds, more peripherals, and Harvard architecture. They belong to the broader semiconductor and embedded computing category, with typical use cases spanning consumer appliances, industrial control, and automotive sub-systems. Key features of the PIC18LC452-I/PT include 32KB (16K x 16) OTP for program storage, 1536 bytes of SRAM, 34 I/O lines, an 8-channel 10-bit ADC, two 8-bit and three 16-bit timers, two Capture/Compare/PWM (CCP) modules, a USART with LIN support, MSSP for SPI/I2C, an 8-bit parallel slave port, and a single-cycle hardware multiplier. The instruction set is highly orthogonal with priority-level interrupts and a depth-31 hardware stack, accelerating context save/restore in real-time tasks. The LC variant is the low-voltage (2.0 V to 5.5 V) part, distinguishing it from the standard PIC18F452 (4.2 V to 5.5 V) and the PIC18C452 (5 V) predecessors. Architecturally it uses 32 KB of OTP rather than Flash, which means the program is written once and cannot be electrically erased - a strong fit for cost-sensitive production volumes where firmware is stable. Typical applications include industrial sensor interfaces, motor control loops with PWM, battery-powered instrumentation (low-voltage compatibility extends battery life), automotive body controllers (LIN bus), and consumer white goods. Use PIC18LC452-I/PT when production volumes justify OTP and when 40 MHz performance plus C-compiler friendliness are required.

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PIC18LC452T-I/L

PIC18LC452T-I/L - 8-Bit 40MHz 32KB OTP MCU 44-PLCC | Microchip

The Microchip Technology PIC18LC452T-I/L is an 8-bit PIC18C-series microcontroller with a 40 MHz core clock, 32 KB of One-Time-Programmable (OTP) program memory organized as 16K x 16, and 1.5 KB of RAM, housed in a 44-pin PLCC (J-Lead) package. It is the tape-and-reel, industrial-temperature (-40C to +85C) variant of the PIC18LC452 family. What is a PIC18C microcontroller? The PIC18C is Microchip Technology's original high-performance 8-bit MCU family that established the PIC18 architecture still in production today. The architecture family (PIC18) sits inside the broader microcontroller hierarchy: microcontroller -> embedded controller -> semiconductor IC. PIC18C devices offer C-friendly instruction sets, hardware multipliers, and rich peripheral integration including A/D converters and communication interfaces, making them foundational for embedded designs in industrial automation, consumer electronics, and automotive subsystems. Key features include 33 digital I/O pins, an integrated 10-bit analog-to-digital converter, an external oscillator interface supporting up to 40 MHz (10 MIPS operation), and connectivity through I2C (MSSP), SPI, and UART/USART peripherals. A single-cycle hardware 8x8 multiplier accelerates arithmetic operations, while 16-bit wide instructions with an 8-bit data path provide efficient code density. The LC-suffix device runs from a 2.5V to 5.5V supply, suitable for low-voltage and battery-backed designs where the standard PIC18F452 (Flash) variant is overkill. OTP program memory is one-time programmable, locking firmware at production time for cost-sensitive high-volume deployments. Typical applications include industrial control systems, motor control boards, instrumentation with analog front-ends, and legacy embedded products where pin-compatible Flash migration is planned to PIC18F452. The 44-PLCC package also enables socketed prototyping and field replacement. When designing, note that OTP memory cannot be reprogrammed - firmware bugs require a new part. For field-updatable designs choose the Flash-based PIC18F452-I/L (pin-compatible drop-in upgrade) instead. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC18F96J94-I/PF - 8-Bit 64MHz 64KB Flash MCU w/ USB & LCD

PIC18F96J94-I/PT - 8-bit 64MHz MCU, 64KB Flash, USB/LCD, 100-TQFP | Microchip

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PIC18F97J94-I/PF - 8-Bit 64MHz 128KB Flash USB/LCD MCU | Microchip

PIC18F97J94-I/PT - 8-Bit 64MHz MCU, 128KB Flash, USB & LCD | Microchip

PIC18F97J94T-I/PT - 8-Bit 64MHz 128KB Flash USB/LCD MCU | Microchip

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PIC18LC442-I/L - 8-bit MCU, 16KB OTP, 40MHz, 44-PLCC | Microchip

PIC18LC442-I/P - 8-bit 40MHz 16KB OTP MCU | Microchip

PIC18LC442-I/PT - 8-bit MCU, 16KB Flash, 34 I/O | Microchip

PIC18LC442T-I/L - 16KB Flash, 8-bit MCU, 44-PLCC | Microchip

PIC18LC452-I/P - 32KB OTP 8-bit MCU, 40MHz, 40-PDIP | Microchip

PIC18LC452-I/PT - 8-bit MCU, 32KB OTP, 40MHz, 44-TQFP | Microchip

PIC18LC452T-I/L - 8-Bit 40MHz 32KB OTP MCU 44-PLCC | Microchip