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PIC18LC858-I/L - 8-Bit MCU 32KB OTP 68 I/O CAN PLCC-84 | Microchip
PIC18LC858-I/L

PIC18LC858-I/L - 8-Bit MCU 32KB OTP 68 I/O CAN PLCC-84 | Microchip

The Microchip Technology PIC18LC858-I/L is an 8-bit high-performance PIC microcontroller from the PIC18C family, featuring 32KB (16K x 16) of One-Time Programmable (OTP) program memory, 1.5KB of on-chip RAM, and 68 digital I/O lines. It is housed in an 84-pin PLCC (Plastic Leaded Chip Carrier) J-lead package measuring 29.31 x 29.31 mm, runs at up to 40 MHz, and integrates an integrated CAN (Controller Area Network) module for automotive and industrial networking. The part is specified over the industrial -40C to +85C temperature range and operates from a 2.5V to 5.5V supply, making it compatible with both 3.3V and 5V system rails. Background Knowledge: An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (ROM/EPROM/Flash/OTP), data RAM, and peripheral set. PIC microcontrollers use a Harvard architecture with separate program and data buses, an accumulator-based register file, and a RISC-style instruction set. The PIC18 family is the high-end tier of Microchip's 8-bit portfolio, adding a 16-bit instruction set, linear program-memory addressing up to 2 MB, a hardware multiplier, and rich peripherals such as 10-bit ADC, PWM, CAN, and USB. PIC18C parts ship with OTP EPROM program memory (one-time field-programmable but UV-erasable in special windowed packages) and were the predecessors of the flash-based PIC18F devices. Key features of the PIC18LC858-I/L include C-compiler-optimized architecture, linear program-memory addressing to 32 KB, linear data-memory addressing to 4 KB, a 10-bit Analog-to-Digital converter, Brown-out Detect/Reset, Low-Voltage Detect (LVD), Power-On Reset (POR), Pulse-Width Modulation (PWM) outputs, and a Watchdog Timer (WDT). The integrated CAN module supports standard CAN 2.0A and 2.0B frames, which is the headline peripheral differentiating the PIC18C658/LPIC18-family from other PIC18 sub-families. From an architecture standpoint, the PIC18LC858 uses a 16-bit wide instruction word with single-cycle execution (except branches), an 8-bit data path, and 31 priority-level interrupt vectors. The CAN peripheral includes acceptance filters, masking, and error counters conforming to the Bosch CAN specification. Brown-out Detect/Reset and LVD protect Flash/OTP contents during unstable supply events - critical for automotive ECU applications. Typical applications include automotive body and chassis ECUs, industrial CAN nodes (sensor and actuator networks), HVAC controls, building-automation gate-ways, and any 5V-tolerant embedded design that requires a CAN bus plus a high I/O count in a through-hole-friendly PLCC. When designing with this part, note that OTP means program memory can only be written once per location; for in-system reprogrammability choose a flash-based PIC18F alternative such as PIC18F8585-I/L. Always add bulk decoupling (10 uF + 100 nF) near VDD/AVDD and provision a CAN transceiver such as the MCP2551 between the MCU CANRX/CANTX pins and the bus. This page synthesizes distributor pricing, parametric alternatives, and engineering design guidance not consolidated in the manufacturer datasheet alone, and reflects pricing as of 2026-09-28.

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PIC18LC858-I/PT - 8-Bit 40MHz 32KB OTP MCU w/ CAN | Microchip
PIC18LC858-I/PT

PIC18LC858-I/PT - 8-Bit 40MHz 32KB OTP MCU w/ CAN | Microchip

The Microchip Technology PIC18LC858-I/PT is an 8-bit PIC18C-series microcontroller with a 40 MHz CPU, 32 KB of OTP program memory (16K x 16 words), and 1.5 KB of RAM, integrated with a hardware CAN module, housed in an 80-pin TQFP (12x12 mm) package. The 'LC' prefix indicates the low-voltage (2.5 V to 5.5 V) variant, well suited for portable and battery-backed designs where the standard PIC18F858 is not appropriate. A PIC18C microcontroller is a member of Microchip's 8-bit PIC® RISC family, which executes one instruction per clock cycle (4 clocks per instruction for branch), uses a Harvard architecture with separate program and data buses, and offers C-compiler-friendly orthogonal instruction sets. The 'C' suffix historically denotes one-time-programmable (OTP) EPROM program memory rather than the flash memory used by the modern PIC18F family; the PIC18LC858 specifically targets low-power CAN-node applications on a 3.3 V rail. Key features include an integrated CAN 2.0B controller, 68 digital I/O pins, multiple 10-bit ADC channels, three timers, two capture/compare/PWM modules, and an external oscillator interface. The 40 MHz clock rate delivers up to 10 MIPS throughput, and the linear 32 KB program-memory map and 4 KB data-memory map simplify C pointer arithmetic. The wide operating voltage (2.5 V - 5.5 V) and -40 °C to +85 °C industrial temperature range also make the part useful in automotive underhood and industrial sensor interfaces. Typical applications include CAN-bus node controllers in vehicles, factory-automation sensor hubs, HVAC control boards, and low-power embedded control where on-chip CAN eliminates an external transceiver-controller pair. The OTP program memory means firmware is one-time mask-programmed per die, so this part is most often specified for medium-volume production runs where a PIC18F8680 flash equivalent is unnecessary. When designing with this device, ensure the ICSP programming header is accessible before the OTP window is sealed, validate the 5 V CAN-bus common-mode tolerance, and reserve adequate decoupling (100 nF plus 10 µF) near VDD pins. For new designs the modern flash-based PIC18F6680 / PIC18F86K80 is usually preferred over this OTP variant. This page synthesizes distributor pricing, drop-in alternatives from the same PIC18 TQFP-80 family, and practical design notes not collected in the original Microchip datasheet (DS30475A).

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PIC18LC858/CL - 8-bit 40MHz PIC18C MCU 32KB EPROM 84-LCC | Microchip
PIC18LC858/CL

PIC18LC858/CL - 8-bit 40MHz PIC18C MCU 32KB EPROM 84-LCC | Microchip

The Microchip Technology PIC18LC858/CL is an 8-bit RISC PIC18C-series microcontroller operating at up to 40 MHz with 32 KB (16K x 16) of UV-erasable EPROM program memory, 1.5 KB of data RAM, and 68 digital I/O lines, supplied in the legacy 84-pin LCC (J-Lead) windowed ceramic package designated by the CL suffix. The LC suffix indicates a low-voltage core (typically 2.5 V to 5.5 V operation) suitable for both 3.3 V and 5 V designs. An 8-bit microcontroller is a single-chip computer that integrates a CPU core, non-volatile program memory, working RAM, and programmable peripherals onto one die. The PIC18 family extends the legacy PIC16 architecture into a linear 16-bit instruction set and a 16-bit-wide program bus, dramatically boosting throughput versus PIC16 while keeping the deterministic instruction pipeline. PIC microcontrollers belong to the broader hierarchy: MCU -> microcontroller -> embedded controller -> semiconductor. The PIC18LC858/CL sits at the high-pin-count end of that tree with hardware CAN, USART, and analog peripherals suited to industrial control. Key features include a 40 MHz maximum clock with a 10 MIPS instruction rate, 32 KB EPROM (windowed for repeated reprogramming), an external oscillator interface, hardware CAN bus support, multiple 16-bit timers/counters, a 10-bit or 12-bit ADC variant, and the windowed ceramic CQUAD package that allows UV erasure for development. The 84-pin LCC footprint gives designers 68 I/O plus dedicated oscillator and programming pins, enabling large parallel-link designs. The PIC18LC858/CL uses a Harvard architecture with separate program and data buses, a 32-level stack, and 75 instructions including hardware multiply. This architecture delivers deterministic interrupt latency critical for real-time control. The device draws milliamps at full clock and supports nano-power operation down to microamps in sleep mode for battery-powered designs. Typical applications include industrial automation controllers, automotive body and powertrain ECUs (pre-CAN-FD), CAN-bus networked sensors, motor control, instrumentation requiring field-updatable firmware via UV erasure, and legacy medical or aerospace systems where MIL-spec or ceramic-package parts are mandated. When designing with this part, verify the 3.3 V versus 5 V VDD range matches your system and confirm the 84-LCC footprint is compatible with your PCB layout. Because EPROM requires a UV eraser and a 10-pin SOT programming socket, plan development cycle time accordingly, or consider a flash-based PIC18F equivalent for modern production. This page synthesizes distributor pricing, ceramic-package PIC18C drop-in alternatives, and practical design notes not consolidated in the Microchip datasheet alone.

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PIC18LF1220-I/P - 8-Bit 40MHz 4KB Flash MCU | Microchip | 18-PDIP
PIC18LF1220-I/P

PIC18LF1220-I/P - 8-Bit 40MHz 4KB Flash MCU | Microchip | 18-PDIP

The Microchip Technology PIC18LF1220-I/P is an 8-bit RISC microcontroller based on the PIC18 CPU core, offering 4KB (2K x 16) of Flash program memory, 256 bytes of SRAM, and 256 bytes of data EEPROM in a 18-pin PDIP (Plastic DIP, 0.300 inch / 7.62 mm) through-hole package. It runs at up to 40 MHz clock speed with a 10 MIPS instruction throughput, operates from 2.0V to 5.5V (the "LF" low-voltage variant), and provides 16 digital I/O pins with nanoWatt Technology power management. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and programmable I/O peripherals. The PIC18 family is Microchip's enhanced 8-bit architecture, sitting hierarchically between simpler PIC16 devices and the 16-bit dsPIC/PIC24 families, and serves as the foundation for embedded control in cost-sensitive and low-power applications. The "LF" suffix designates the extended low-voltage (2.0-5.5V) variant, and the "I" suffix specifies the industrial operating temperature range (-40C to +85C). Key features of the PIC18LF1220-I/P include 10 MIPS performance, 16 I/O pins, an internal oscillator, an enhanced CCP module, a 10-bit ADC, nanoWatt Technology power modes with standby current as low as 0.1 microampere, and ICSP (In-Circuit Serial Programming) via two pins. The 18-PDIP package supports through-hole assembly, which simplifies prototyping, breadboarding, and field-replaceable designs. The PIC18LF1220-I/P uses Microchip's standard Harvard architecture with separate program and data buses, 16-bit instructions, and a hardware multiplier. Code-compatible with other PIC18 devices, the LF1220 supports C and assembly development using MPLAB X IDE and XC8 compiler, enabling code reuse and migration across the entire PIC18 platform. Typical applications include low-power sensor nodes, battery chargers, simple motor control, consumer appliances, and industrial control boards. The wide 2.0-5.5V range allows direct operation from 2-cell battery packs (NiMH, alkaline) as well as 5V regulated rails, eliminating the need for level shifters. When designing with this part, ensure decoupling capacitors of 0.1 uF are placed close to VDD/AVDD and that the MCLR pull-up is properly configured. Industrial temperature grade ("I") is appropriate for most non-automotive commercial and industrial environments; for AEC-Q100 automotive qualification, use the PIC18F automotive-grade equivalent. This page synthesizes distributor pricing, same-brand drop-in alternatives, comparison data, and practical design notes not consolidated in the Microchip datasheet.

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PIC18LF1220-I/SS - 8-Bit 40MHz 4KB Flash MCU | Microchip
PIC18LF1220-I/SS

PIC18LF1220-I/SS - 8-Bit 40MHz 4KB Flash MCU | Microchip

The Microchip Technology PIC18LF1220-I/SS is an 8-bit PIC18 microcontroller built on a RISC core, featuring 4KB (2K x 16) of Flash program memory, 256 bytes of RAM, and operating at up to 40 MHz. It is housed in a 20-pin SSOP package and targets low-voltage applications through its 'LF' variant designation, supporting 2.0V to 5.5V operation while consuming as little as 0.1 microamp in standby mode thanks to nanoWatt Technology. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and programmable I/O peripherals. The PIC18 family uses an enhanced 8-bit Harvard-architecture RISC core with 16-bit instructions, sitting in the product hierarchy as: microcontroller -> embedded processor -> semiconductor IC. The 'LF' suffix indicates the low-voltage (2.0V-5.5V) process variant, while 'F' denotes Flash program memory. The 'I' in the part number indicates the industrial temperature range (-40C to +85C), and '/SS' designates the 20-pin SSOP (Shrink-Small-Outline-Package) surface-mount package. Key features include nanoWatt Technology with six power-managed modes for ultra-low standby current, an enhanced 10-bit ADC with multiple channels, an enhanced USART module, two CCP modules for PWM/capture/compare, and 16 I/O pins with high-current sink/source (25 mA per pin). The 256-byte RAM and 4KB Flash are sufficient for small control loops, sensor interfaces, and protocol bridges, while the 40 MHz instruction cycle provides 10 MIPS of throughput. Typical applications span consumer appliances, sensor signal conditioning, industrial control peripherals, low-power remote controls, and battery-powered instrumentation. The wide 2.0V-5.5V input range enables direct connection to 2xAA batteries, single Li-Ion cells (3V-4.2V), and 5V rails. Sixteen source/touch outputs are sufficient for matrix LED displays, multi-channel motor or solenoid drivers via external transistors, and protocol bridging via USART/I2C/SPI peripherals. Design consideration: a single 0.1uF ceramic decoupling capacitor close to VDD is mandatory, and an external pull-up on MCLR is recommended. The PIC18LF1220 is pin-compatible with the standard PIC18F1220, allowing code and PCB reuse between the LF low-voltage variant and the F standard variant.

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PIC18LF1220T-I/ML - 8-Bit 40MHz 4KB Flash MCU | Microchip
PIC18LF1220T-I/ML

PIC18LF1220T-I/ML - 8-Bit 40MHz 4KB Flash MCU | Microchip

The Microchip Technology PIC18LF1220T-I/ML is an 8-bit PIC18F-family RISC microcontroller running at up to 40 MHz with 4 KB (2K x 16) of Flash program memory and 256 bytes of RAM, housed in a 28-pin 6x6 mm QFN package with exposed thermal pad. It belongs to the low-voltage (LF) PIC18 family, supporting 2.5 V, 3.3 V, and 5 V operation and featuring 16 digital I/O pins optimized for low-power embedded designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, data memory, and programmable peripherals. The PIC18F architecture is an 8-bit enhanced Harvard RISC family from Microchip featuring 200 ns instruction execution at 40 MHz, 16-bit instructions, a hardware multiplier, and a rich peripheral set. Within the broader taxonomy, the PIC18F sits in the hierarchy MCU -> 8-bit microcontroller -> embedded controller -> semiconductor. The 'LF' prefix denotes the low-voltage PIC18 family variant, supporting operation down to 2.0 V, while the '1220' sub-family provides 4 KB Flash in the entry-level PIC18 lineup. Key features of the PIC18LF1220T-I/ML include 4 KB of self-programmable Flash, 256 bytes of SRAM, hardware USART, MSSP (SPI/I2C), a 10-bit ADC with up to 7 channels, nanoWatt Technology for ultra-low-power sleep, and an industrial temperature grade of -40C to +85C. The 28-QFN package integrates an exposed thermal pad that simultaneously serves as the package ground and a heat-spreading path, enabling compact PCB designs with strong thermal dissipation for the LF voltage range. The PIC18LF1220T-I/ML uses Microchip's enhanced Harvard RISC architecture with separate code and data buses, a 16-bit instruction word, and 32-level hardware stack. Its nanoWatt technology combines multiple idle/sleep states, oscillator switching, and peripheral disabling to achieve quiescent currents under 1 uA in deep sleep, making it well-suited for battery-powered systems that wake periodically to perform short sensor-acquisition or communication tasks. Typical applications include low-power IoT sensor nodes, battery-operated industrial sensors, consumer remote controls, HVAC thermostats, white goods and appliance controls, and portable medical accessories. The wide 2.0-5.5 V supply range simplifies designs powered from single-cell Li-ion (3.7 V nominal), two-cell alkaline (3 V), or regulated 5 V rails, and the integrated 10-bit ADC eases analog-sensor interfacing without external converters. Designers should budget flash and RAM size for 4 KB / 256 bytes, leverage the QFN exposed pad as the main ground return, place a 100 nF decoupling capacitor within 2 mm of VDD, and use MPLAB X IDE + XC8 compiler for code development. Programming is supported via ICSP (In-Circuit Serial Programming) using PGD/PGC lines. The 'T' suffix indicates tape-and-reel packaging, while 'I' indicates the industrial -40C to +85C operating temperature grade. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes beyond the manufacturer datasheet summary, providing trade-off context for engineers evaluating the PIC18LF1220T-I/ML against PIC18F1220 and PIC18LF1320 alternatives.

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PIC18LF1220T-I/SO - 8-bit MCU, 4KB Flash, 40MHz, 18-SOIC | Microchip
PIC18LF1220T-I/SO

PIC18LF1220T-I/SO - 8-bit MCU, 4KB Flash, 40MHz, 18-SOIC | Microchip

The Microchip Technology PIC18LF1220T-I/SO is an 8-bit PIC18F-family microcontroller built on a RISC architecture with nanoWatt XLP power management, offering 4KB (2K x 16) of Flash program memory, 256 bytes of SRAM, and 256 bytes of EEPROM in a 18-SOIC surface-mount package with tape-and-reel packaging. The LF suffix designates the extended low-voltage (F) variant supporting operation down to 2.0V, while the T suffix indicates tape-and-reel packaging. A PIC18 microcontroller is an 8-bit RISC processor within the broader PIC microcontroller family, which itself belongs to the microcontroller unit (MCU) category in the integrated circuit hierarchy. PIC18 devices execute one instruction per clock cycle (except for branches) and integrate Flash program memory, data EEPROM, SRAM, and configurable peripherals into a single die. Designers choose PIC18 over PIC16 when they need higher performance (40 MIPS vs 5 MIPS), larger memory, enhanced peripherals, and C-friendly architecture while retaining byte-level register control for tight real-time loops. Key specifications include a 40 MHz maximum operating frequency (10 MIPS), 16 I/O pins, an internal oscillator, a 10-bit ADC with up to 7 channels, and nanoWatt XLP technology that drops supply current to under 1 µA in sleep mode. The PIC18LF1220 also features a 10-bit PWM module, two analog comparators, an Enhanced USART (EUSART), and a Master Synchronous Serial Port (MSSP) supporting SPI and I²C master/slave modes. Brown-out Reset (BOR), Power-on Reset (POR), and an extended watchdog timer (WDT) are built in, and the device supports in-circuit serial programming (ICSP) and in-circuit debugging (ICD). The industrial temperature grade (-40°C to +85°C, suffix I) makes the part suitable for factory automation, building controls, sensor interfaces, and instrumentation. The 'LF' extended voltage range (2.0V to 5.5V) is particularly attractive for battery-powered applications where energy harvesting or a single lithium cell powers the MCU. Designers should note that the 'T' suffix is a packaging code (tape and reel) and does not change silicon behavior; the functional equivalent in tube packaging is PIC18LF1220-I/SO. This page synthesizes distributor pricing, drop-in alternatives, and design notes beyond what the manufacturer datasheet (DS39605) alone provides.

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PIC18LF1220T-I/SS - 8-bit 40MHz MCU, 4KB Flash, SSOP-20 | Microchip
PIC18LF1220T-I/SS

PIC18LF1220T-I/SS - 8-bit 40MHz MCU, 4KB Flash, SSOP-20 | Microchip

The Microchip Technology PIC18LF1220T-I/SS is an 8-bit RISC flash microcontroller delivering 40 MHz CPU performance with 4 KB (2K x 16) of program memory and 256 bytes of SRAM, housed in a 20-pin SSOP (0.209-inch / 5.30 mm body width) package supplied on tape and reel. It operates from 2.0 V to 5.5 V (LF variant, nanoWatt Technology), offers 16 I/O pins, and integrates a 10-bit ADC plus nanoWatt power-managed modes that drop standby current to sub-microamp levels. A PIC18 microcontroller belongs to Microchip's 8-bit PIC (Peripheral Interface Controller) family, which is built on a RISC architecture (Reduced Instruction Set Computer). PIC18 devices are widely used in embedded systems where low power, deterministic interrupt response, and ease of programming matter more than raw CPU clock speed. Within the broader taxonomy, PIC18 sits between the smaller PIC10/12/16 baseline families and the 16-bit PIC24/dsPIC parts, occupying the mainstream 8-bit space for consumer, industrial, and automotive-grade designs. Key features of the PIC18LF1220T-I/SS include nanoWatt Technology power-managed modes (drawing as little as 0.1 uA in standby), on-chip Flash program memory with ICSP (In-Circuit Serial Programming) for field upgrades, an enhanced instruction set with 200 ns instruction execution, and a wide 2.0 V to 5.5 V supply range that makes the device ideal for both 3.3 V and 5 V systems. The 'LF' prefix denotes the low-voltage Flash variant. Architecturally, the PIC18LF1220 uses a Harvard architecture with separate program and data buses, allowing instruction fetch and data access in a single clock cycle. The device includes a 10-bit Analog-to-Digital Converter, multiple timers, PWM modules, and enhanced USART/I2C/SPI peripherals, all supported by Microchip's MPLAB XC8 toolchain. Typical applications include battery-operated sensor nodes, low-power IoT edge devices, consumer white goods, industrial control modules, and automotive body electronics. The wide voltage range and sub-microamp standby also suit remote controls, energy harvesting front-ends, and wearable designs. Designers should note that the 'T' suffix denotes Tape and Reel packaging, while 'I' indicates the industrial temperature range (-40 C to +85 C). Code compatibility across the PIC18LF1220 family simplifies migration to PIC18F1320 or PIC18LF1320 variants when more memory or I/O are required. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that are not found in the manufacturer datasheet alone, providing a one-stop reference for procurement and engineering teams.

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PIC18LF1230-I/P - 8-Bit MCU 4KB Flash 40MHz 18-PDIP | Microchip
PIC18LF1230-I/P

PIC18LF1230-I/P - 8-Bit MCU 4KB Flash 40MHz 18-PDIP | Microchip

The Microchip Technology PIC18LF1230-I/P is an 8-bit PIC18 RISC microcontroller with 4KB (2K x 16) of Flash program memory, 256 bytes of SRAM, and 128 bytes of data EEPROM, operating at up to 40 MHz (10 MIPS) in an 18-pin PDIP through-hole package. It supports a wide 2.0V to 5.5V supply range, with the LF variant optimized for low-voltage operation at 2.5V/3.3V/5V rails commonly used in battery-powered and industrial designs. The device integrates an 8 MHz internal oscillator, a 3-channel 10-bit ADC, three analog comparators, a 14-bit resolution enhanced Power Control PWM module, and a LIN-capable USART, making it a high-integration solution for motor control and sensor interface applications. An 8-bit PIC microcontroller (MCU) is a Harvard-architecture RISC processor family from Microchip that combines a small instruction set with on-chip Flash, SRAM, and rich peripheral integration. Within the broader taxonomy, PIC18F sits above baseline PIC10/12/16 parts in the Microchip 8-bit hierarchy and below the 16-bit PIC24/dsPIC and 32-bit PIC32 families. PIC MCUs are widely used for deterministic real-time control where ease of development, low cost, and long-term availability outweigh raw compute performance. Key features of the PIC18LF1230-I/P include NanoWatt technology for power management with multiple sleep modes, an enhanced Power Control PWM with up to 6 output channels and programmable dead-band control, three analog comparators with reference, a 10-bit ADC with up to 4 input channels, and a USART with LIN master/slave support. These features make it well-suited for closed-loop motor control where on-chip analog feedback, PWM generation, and serial communication reduce external component count. The architecture combines a 16-bit instruction word with 8-bit data paths, a hardware multiplier, and a priority interrupt controller supporting both vectored and non-vectored interrupts. The enhanced PWM includes fault inputs and configurable shutdown modes that protect power stages during overcurrent events. Typical applications include BLDC and brushed DC motor control, sensor signal conditioning with on-chip comparators, low-cost fan and pump controllers, HVAC actuator drivers, automotive LIN nodes, and battery-powered industrial sensor nodes that benefit from the LF variant's wide low-voltage operating range. When designing with this part, ensure the LF voltage-range suffix is correctly selected for your supply rail - the F variant requires 4.2V to 5.5V, while the LF variant covers 2.0V to 5.5V. Add a 100 nF decoupling capacitor close to VDD and follow Microchip's in-circuit serial programming (ICSP) layout guidelines to retain field reprogrammability. This page synthesizes distributor pricing, LF/F variants, drop-in alternatives, and practical design notes beyond what the manufacturer datasheet alone provides.

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PIC18LF1320-I/ML - 8-bit PIC18 MCU, 8KB Flash, 28-QFN | Microchip
PIC18LF1320-I/ML

PIC18LF1320-I/ML - 8-bit PIC18 MCU, 8KB Flash, 28-QFN | Microchip

The Microchip Technology PIC18LF1320-I/ML is an 8-bit RISC microcontroller from the PIC18 family featuring a PIC18 CPU core running at up to 40 MHz, with 8 KB of Flash program memory, 256 bytes of RAM, and 16 I/O pins, housed in a 28-pin QFN (ML) package. The 'LF' prefix denotes the low-voltage variant supporting operation from 2.0 V to 5.5 V, while the standard 'F' part runs from 4.2 V to 5.5 V. This makes the LF variant ideal for battery-powered and energy-harvesting designs where supply headroom is constrained. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), working RAM, peripheral interfaces, and I/O pins into one package. Microcontrollers sit within the broader semiconductor hierarchy as application-specific standard products, under the embedded processors and controllers category. The PIC18 sub-family is Microchip's mid-range 8-bit architecture, offering an enhanced instruction set, hardware multiply, and linear memory addressing compared to baseline and mid-range PIC16 devices. Key features of the PIC18LF1320-I/ML include nanoWatt Technology for low-power operation with standby current as low as 0.1 microamps, six software-controlled power-managed modes, an enhanced CCP module, 10-bit ADC, and a 16-bit timer. The integrated analog and digital peripherals reduce external component count for sensor-interface and motor-control designs. The device utilizes a Harvard architecture with separate program and data buses, paired with CMOS process technology and an instruction pipelining scheme that delivers up to 10 MIPS throughput at 40 MHz. A 16-bit instruction word and 8-bit data path provide a balance of code density and arithmetic capability suited to cost-sensitive embedded applications. Typical applications include low-power sensor nodes, battery-powered instrumentation, remote controls, white goods and HVAC controls, and small appliance controllers. Designers choose this part when 8-bit simplicity and Microchip's MPLAB X toolchain are preferred over 32-bit alternatives. When designing, ensure the supply rail provides 2.0 V to 5.5 V at the VDD pin with adequate decoupling (typically 0.1 uF ceramic close to each VDD/AVDD pin). For ultra-low standby current, leverage the nanoWatt modes and disable unused peripherals via the PMD registers. This page synthesizes distributor pricing, parametric cross-references, and practical design considerations that go beyond the manufacturer datasheet summary.

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PIC18LF1320T-I/SO - 8KB Flash 8-bit MCU, 18-SOIC | Microchip
PIC18LF1320T-I/SO

PIC18LF1320T-I/SO - 8KB Flash 8-bit MCU, 18-SOIC | Microchip

The Microchip Technology PIC18LF1320T-I/SO is a low-power 8-bit PIC microcontroller in a 20-pin SOIC tape-and-reel package, built around an enhanced RISC core with 8KB Flash program memory, 256 bytes RAM, and a 10-bit A/D converter. It operates from 2.0V to 5.5V supply, executes instructions at up to 10 MIPS, and exposes 16 I/O pins plus nanoWatt power management. A PIC18 microcontroller is an 8-bit RISC MCU belonging to the PIC18 family of microcontrollers - one of Microchip's enhanced 8-bit product lines. PIC18 MCUs occupy the performance tier above base-level PIC16 parts, sit alongside PIC24/dsPIC as the upgrade path, and are widely used for cost-sensitive embedded control with abundant peripheral integration. Key features include seven 10-bit A/D input channels, a 16-bit timer/counter, two analog comparators, a USART module supporting RS-232/RS-485, and an internal oscillator. The device supports 100,000 typical Flash erase/write cycles and >40-year data retention, validated against industrial and consumer reliability profiles. The LF prefix denotes the low-voltage variant of the PIC18F1320, optimized for 2.0V to 5.5V operation versus the F variant's 2.0V to 5.5V standard. Internally, an enhanced Harvard architecture with separate program and data buses, 31-level hardware stack, and instruction-pipeline allow single-cycle execution for most opcodes - giving 10 MIPS throughput at 40 MHz. Typical applications include low-power sensor nodes, USB/RS-485 bridge firmware, sensor signal conditioning, and consumer white goods. It is also deployed in battery-powered instrumentation where nanoWatt sleep modes extend operational life. In a temperature logger, the LF's 100 nA typical standby current plus 10-bit ADC let a coin-cell operate the device for years. When designing with this device, ensure in-circuit serial programming (ICSP) connections remain accessible; the PGD/PGC pins double as RB7/RB6 and must not be permanently pulled to ground or supply. Decoupling should follow Microchip's analog/digital separation guidelines when the A/D converter is active. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, with cross-references verified against the Microchip parametric database.

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PIC18LF1320T-I/SS - 8KB Flash 8-bit MCU 40MHz SSOP-20 | Microchip
PIC18LF1320T-I/SS

PIC18LF1320T-I/SS - 8KB Flash 8-bit MCU 40MHz SSOP-20 | Microchip

The Microchip Technology PIC18LF1320T-I/SS is an 8-bit RISC microcontroller from the PIC18 family featuring 8KB of Flash program memory, 256 bytes of RAM and a 40 MHz CPU core, supplied in a 20-pin SSOP package. The 'LF' prefix indicates the low-voltage F-variant supporting operation across 2.0V to 5.5V, while the 'T' suffix designates the tape-and-reel packaging option and 'I/SS' indicates the industrial temperature range (-40C to +85C) in SSOP-20. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory and peripheral interfaces, and the PIC18 family is Microchip's baseline 8-bit RISC architecture built around a Harvard-class core with 16-bit instructions delivering 200 ns execution per instruction. Low-dropout 'LF' variants extend battery-powered design reach by enabling supply voltages from 2.0V up through the conventional 5.5V rail, allowing the same silicon to operate from a single Li-ion cell, two AA cells, or a regulated 3.3V/5V system rail. Key features of the PIC18LF1320T-I/SS include 8KB of in-circuit serial programmable Flash (good for 1000 erase/write cycles), 256 bytes of data RAM, 256 bytes of EEPROM, 16 I/O pins, an internal oscillator, an enhanced CCP module, a 10-bit ADC with up to 7 channels, and nanoWatt power-managed modes that drop quiescent current to microamp levels during standby. Internal peripherals include a USART, an MSSP (for SPI/I2C), multiple timers, and a watchdog timer for safety-critical applications. Architecturally, the device uses a 16-bit wide instruction word and an 8-bit data path, with a 31-level hardware stack for subroutine handling. The 40 MHz oscillator yields a 10 MIPS instruction throughput, and the Flash can be programmed via ICSP without removing the part from the board. Together with the wide 2.0V-5.5V supply and 16 I/O lines, the part is well suited to compact battery-powered, sensor, and consumer control designs. Typical applications include battery-powered sensor nodes, small consumer appliances, automotive interior lighting modules, USB peripherals (using the USART bit-banged with external transceiver), simple motor control via the ECCP, and industrial white-goods control panels. The combination of 8KB Flash, 256B RAM, and nanoWatt sleep current makes the device particularly well matched to size- and cost-constrained nodes that need more code space than an 8-pin PIC10/12 can offer. When designing with this part, follow Microchip guidance on decoupling (place a 0.1 uF ceramic as close to VDD/VSS as possible), MCLR reset pull-up, and ICSP programming pin allocation. The wide operating voltage provides headroom, but designers should still budget for the internal oscillator accuracy across the industrial temperature range when used for asynchronous serial communication. This page synthesizes distributor pricing, verified drop-in alternatives (all SSOP-20 with identical pinout), datasheet-derived specifications, and practical design notes not found in the manufacturer datasheet alone.

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PIC18LF1330-I/ML - 8KB Flash 8-Bit MCU | Microchip
PIC18LF1330-I/ML

PIC18LF1330-I/ML - 8KB Flash 8-Bit MCU | Microchip

The Microchip Technology PIC18LF1330-I/ML is an 8-bit PIC18 microcontroller delivering up to 40 MHz CPU performance from an 8 KB (4K x 16) Flash program memory, 256 bytes of RAM, and 16 I/O pins, all housed in a 28-pin QFN (6x6 mm) package with exposed thermal pad. The LF prefix designates the low-voltage variant that operates across 2.0V to 5.5V, supporting both 3.3V and 5V system rails common in industrial, consumer, and sensor-interface designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and a configurable set of peripherals such as timers, ADC, PWM, and communication interfaces. The PIC18 family is Microchip's high-performance 8-bit architecture, sitting above the baseline PIC16 line with a 16-bit instruction word and an enhanced instruction set optimized for compiled C code, wider peripheral integration, and richer interrupt handling. Within the PIC taxonomy, the PIC18LF1330 belongs to the PIC18F1xxx mid-range group, featuring nanoWatt technology for low-power sleep modes suitable for battery-driven applications. Key features include an integrated 10-bit ADC, multiple PWM channels, hardware USART, and nanoWatt power management with multiple idle/sleep modes. The 28-pin QFN package with exposed pad provides improved thermal dissipation and a compact footprint for space-constrained designs, while the 40 MHz maximum clock supports deterministic real-time control loops in motor, lighting, and sensor applications. The PIC18LF1330 architecture uses a Harvard bus design with separate Flash and RAM paths, a 16-bit instruction set, and a hardware multiplier. Its nanoWatt technology provides reduced power consumption during idle states, making it suitable for battery-powered or energy-harvesting applications where sleep current is critical to overall system lifetime. Typical applications include industrial control, sensor interfacing, low-cost motor drives (BLDC/stepper), LED lighting controllers, home appliances, and consumer white goods. The combination of Flash memory, low-voltage operation, and a compact QFN footprint makes it well suited for cost-sensitive embedded products. When designing with this MCU, ensure adequate decoupling (100 nF plus bulk) on VDD, tie the MCLR pin through a proper pull-up configuration, and respect the in-circuit serial programming (ICSP) layout rules if firmware updates are required in production. Programming is supported via MPLAB X IDE with MPLAB XC8 compilers and the PICkit 5 in-circuit debugger. This page consolidates distributor pricing, drop-in alternatives, and practical design considerations that are not present in the bare manufacturer datasheet, giving procurement and engineering teams a single authoritative source for evaluating the PIC18LF1330-I/ML.

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PIC18LF1330-I/SS - 8KB Flash, 40MHz PIC MCU | Microchip
PIC18LF1330-I/SS

PIC18LF1330-I/SS - 8KB Flash, 40MHz PIC MCU | Microchip

The Microchip Technology PIC18LF1330-I/SS is an 8-bit PIC18 microcontroller with 8KB Flash program memory, 256 bytes of RAM, and a 40 MHz maximum operating frequency, housed in a 20-pin SSOP package with industrial temperature grade (-40C to +85C). It operates across 2.0V to 3.3V (LF variant) and provides 16 digital I/O pins with multiple peripherals including a 10-bit ADC, PWM, USART, and comparators. An 8-bit microcontroller (MCU) is a small, self-contained computer on a single integrated circuit containing a CPU, program memory, data memory, and peripherals. Within the broader category, PIC microcontrollers use a Harvard-architecture RISC core with separate program and data buses; the PIC18 family specifically adds 16-bit instruction width with 8-bit data path for a balance of code density and arithmetic throughput. The "LF" prefix indicates the low-voltage, low-power variant optimized for battery and portable applications. Key features of the PIC18LF1330 include 8KB (4K x 16) of enhanced Flash program memory with self-programming capability, 256 bytes of data RAM, 256 bytes of EEPROM, and nanoWatt Technology power management with multiple low-power sleep modes. The integrated nanoWatt XLP variants consume as little as 100 nA in sleep, making them well suited for always-on battery applications. The device also integrates a 10-bit A/D converter with up to 7 input channels, a capture/compare/PWM module, an enhanced USART, two analog comparators, and a watchdog timer. The PIC18LF1330 utilizes a 14-bit instruction word set within the PIC18 architecture and features a wide operating voltage range (2.0V-3.3V typical, supporting battery operation from a single Li-Ion cell), four oscillator options including 31 kHz internal and external crystal/PLL modes, and ICD debugging via two pins. Its 40 MHz execution speed delivers 10 MIPS performance. Typical applications include battery-powered sensor nodes, motor control subsystems, white goods and HVAC control panels, low-end consumer electronics, industrial sensor interfaces, and remote controls. The combination of low cost, low power, and a mature toolchain (MPLAB X IDE + XC8 compiler + PICkit programmers) makes the PIC18LF1330 a strong choice for designs migrating from older PIC16 platforms that need more code space and peripherals. When designing with this device, ensure your decoupling strategy includes a 100 nF ceramic capacitor placed within 5 mm of the VDD pins, and reserve adequate Flash endurance headroom (typically 10K erase/write cycles minimum) for field-updatable firmware. The internal oscillator can drift with temperature; if precise UART timing is required, use an external crystal. This page consolidates distributor pricing, drop-in alternatives in the same SSOP-20 footprint, and practical design notes beyond what is found in the Microchip datasheet alone.

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PIC18LF13K22-E/P - 8-bit Flash MCU, 8KB, 25MHz, 20-PDIP | Microchip
PIC18LF13K22-E/P

PIC18LF13K22-E/P - 8-bit Flash MCU, 8KB, 25MHz, 20-PDIP | Microchip

The Microchip Technology PIC18LF13K22-E/P is an 8-bit Flash microcontroller from the PIC18F1XK22 family, offering 8KB of program memory and running at up to 25 MHz CPU clock speed, housed in a 20-pin PDIP (through-hole) package. It operates over a wide supply voltage range and provides 16 I/O ports for embedded control applications. What is a PIC18LF microcontroller? PIC18LF-series microcontrollers are low-voltage variants of the popular PIC18F family. PIC stands for Peripheral Interface Controller, and these MCUs use a RISC (Reduced Instruction Set Computing) Harvard architecture. Microcontrollers (MCUs) are single-chip computers that integrate a CPU, memory (Flash for program storage, SRAM for data, EEPROM for non-volatile data), and peripherals on one die; they sit at the foundation of embedded systems, bridging sensors and actuators with software-defined behavior. Key features include an enhanced mid-range 8-bit core, integrated nanoWatt XLP (eXtra Low Power) technology for ultra-low-power sleep modes, multiple communication peripherals, and 10-bit ADC capability. The LF variant is specifically optimized for low-voltage operation, allowing direct connection to 2-cell battery sources. Architecturally, the PIC18LF13K22 uses a 16-bit instruction word with an 8-bit data path, providing 75+ instructions optimized for C compiler efficiency. Its peripheral set includes comparators, PWM modules, and multiple timer/counter blocks, all designed for mixed-signal embedded applications while keeping power consumption to a minimum. Typical applications include consumer electronics, IoT sensor nodes, battery-powered handheld devices, low-power remote controls, and industrial sensor interfaces. The wide operating voltage range and XLP technology make it especially suitable for energy-harvesting or battery-backed products. When designing with this MCU, select a debugger/programmer compatible with the ICSP (In-Circuit Serial Programming) interface. The PDIP-20 package is breadboard-friendly and ideal for prototyping, but production designs targeting space-constrained applications should consider QFN or SSOP variants within the same silicon family. This page synthesizes distributor pricing, verified drop-in alternatives, and practical design notes that are not aggregated on any single manufacturer or distributor product page.

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PIC18LF13K22-E/SS - 8KB Flash XLP 8-bit MCU | Microchip | SSOP-20
PIC18LF13K22-E/SS

PIC18LF13K22-E/SS - 8KB Flash XLP 8-bit MCU | Microchip | SSOP-20

The Microchip Technology PIC18LF13K22-E/SS is a low-power 8-bit PIC microcontroller with 8KB Flash, 256 bytes RAM, and 256 bytes EEPROM, operating up to 48 MHz (16 MIPS) in a 20-pin SSOP package. It belongs to the PIC18F/K "K22" sub-family, which integrates nanoWatt XLP extreme-low-power technology, multiple timers, Enhanced USART, MSSP (SPI/I2C), a 10-bit ADC with computation, and a configurable internal reference. An 8-bit microcontroller (MCU) is a small, self-contained computer-on-a-chip that integrates a CPU, program memory (Flash), data memory (RAM), non-volatile storage (EEPROM), and a set of peripherals such as timers, communication ports, ADCs, and digital I/O. 8-bit MCUs sit below 32-bit parts in performance but win on cost, deterministic behavior, and ultra-low power consumption, making them the workhorse of battery-powered sensors, consumer appliances, and industrial control modules. Key features include a wide 1.8V-3.6V operating range (LF variant), nanoWatt XLP sleep currents in the deep sub-microamp range, CTMU charge-time measurement for capacitive touch, and a peripheral pin select (PPS) block that remaps digital peripherals to a wide choice of I/O pins. The 20-pin SSOP footprint is one of the most common small-outline packages in the industry, easing PCB layout and hand rework. Architecturally, the PIC18 core uses a 16-bit instruction word with an 8-bit data path and a hardware multiplier, giving most instructions single-cycle execution. Internal oscillator accuracy and the HFINTOSC with PLL deliver 48 MHz system clock from a 16 MHz source, eliminating an external crystal in many applications and reducing BOM cost. Typical applications include low-power wireless sensor nodes, USB device controllers (in companion with the PIC18F14K50 family), battery-powered home automation modules, capacitive touch user interfaces, small appliance control boards, and industrial sensor signal conditioning. The "LF" prefix identifies the low-voltage variant; the parallel "F" part (PIC18F13K22-E/SS) is the 2.0V-5.5V version. When designing with this part, plan decoupling close to VDD/VSS, leave room for the ICSP/ICD programming header, and check the PPS mapping table against your chosen pinout before committing to PCB layout. The XLP current data in the datasheet should be used directly for battery-life calculations rather than estimated. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in a single manufacturer datasheet, helping procurement engineers and firmware developers evaluate the PIC18LF13K22-E/SS for new designs and replacements.

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PIC18LF13K22-I/ML - 8-bit MCU, 8KB Flash, 64MHz, QFN-20 | Microchip
PIC18LF13K22-I/ML

PIC18LF13K22-I/ML - 8-bit MCU, 8KB Flash, 64MHz, QFN-20 | Microchip

The Microchip PIC18LF13K22-I/ML is an 8-bit PIC18 flash microcontroller with 8KB of program memory, 256 bytes of RAM, and 256 bytes of EEPROM, operating at up to 64 MHz in a 20-pin QFN package. It belongs to the PIC18F1XK22 nanoWatt XLP family, which balances high computational performance with very low power consumption for battery-sensitive designs. The device supports an operating voltage range suitable for both 3.3V and 5V rails, while the "LF" prefix designates the low-voltage core variant optimized for applications powered from 1.8V to 3.6V supplies. An 8-bit microcontroller (MCU) is a small computer on a single integrated circuit that combines a CPU core, program memory (Flash), data memory (RAM), non-volatile storage (EEPROM), and programmable peripherals. Within the broader taxonomy, PIC18LF13K22 belongs to: PIC18 family -> 8-bit PIC microcontroller -> microcontroller (MCU) -> embedded processor -> semiconductor device. Compared with 32-bit Cortex-M0+ or MSP430 parts, the PIC18LF13K22 trades raw processing throughput for extreme energy efficiency and a much smaller instruction footprint in C, making it ideal for cost- and power-constrained node devices. Key features include nanoWatt XLP technology for sub-uA sleep currents, an integrated 10-bit ADC with up to 12 channels, enhanced USART, MSSP (SPI/I2C), multiple 8/16-bit timers, and a wide set of power-managed modes including Idle, Sleep, and Deep Sleep. The chip also exposes internal oscillator options that allow designs to operate without an external crystal, reducing BOM cost and board area. The PIC18LF13K22 uses a Harvard-architecture 8-bit data path with a 16-bit instruction word, executing most instructions in one cycle through a two-stage pipeline. Its C-optimized instruction set simplifies code generation with the MPLAB XC8 compiler, while CIP (Core Independent Peripheral) blocks let timing-critical functions run without CPU intervention, freeing the core for application logic and lowering overall active-mode current. Typical applications include battery-powered sensor nodes, wearable fitness bands, IoT endpoints, low-energy remote controls, and small consumer appliances where long battery life is critical. It is also commonly used in industrial control modules that need deterministic timing combined with low standby current. When designing with this part, ensure decoupling capacitors are placed within 5 mm of VDD and that the MCLR reset pin uses the recommended pull-up network. For deep sleep operation, verify the wake-up sources are configured correctly to avoid unintended resets and to achieve the lowest possible sleep current.

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PIC18LF13K22-I/P - 8KB Flash 8-bit MCU 20-PDIP | Microchip
PIC18LF13K22-I/P

PIC18LF13K22-I/P - 8KB Flash 8-bit MCU 20-PDIP | Microchip

The Microchip Technology PIC18LF13K22-I/P is an 8-bit PIC18-family flash microcontroller delivering 64 MHz (16 MIPS) performance from a 20-pin PDIP through-hole package, with 8 KB of flash program memory and 256 bytes each of RAM and EEPROM. An 8-bit microcontroller is a single-chip computer built around an 8-bit data path CPU, typically a RISC or CISC core with on-chip flash, RAM, and peripherals. The PIC18 family extends Microchip's baseline PIC16 architecture with a 16-bit instruction word, hardware multiply, and C-friendly memory models; the LF prefix here indicates the low-voltage variant (down to 1.8 V supply), while the K22 designation places it inside the XLP (eXtreme Low Power) nanoWatt sub-family optimized for battery-powered and always-on applications. Key features include nanoWatt XLP technology for sleep currents as low as a few tens of nA, a 10-bit ADC with up to 12 channels, multiple PWM/CCP/ECCP modules, and a hardware UART/SPI/I2C peripheral set. The 1.8-3.6 V operating range allows direct connection to single-cell lithium or two-cell alkaline batteries, while internal 32 kHz to 64 MHz oscillator options let designers trade speed against consumption without external crystals. Architecturally, the device pairs an 8-bit data path with a 16-bit instruction word and 31-level hardware stack, enabling deterministic interrupt response and efficient C compilation with Microchip's XC8 toolchain. The 'LF' low-voltage silicon, combined with XLP peripherals (ultra-low-power wake timers, nanoWatt-managed ADC, deep sleep), positions this part for always-listening edge nodes and energy-harvesting designs that need >10-year coin-cell lifetimes. Typical applications include battery-powered sensor nodes, low-power IoT endpoints, consumer appliance control panels, and simple human-interface modules. Through-hole PDIP packaging makes the part especially well-suited to prototyping, hobbyist projects, breadboard-based learning kits, and legacy industrial control boards where through-hole assembly remains preferred. When designing with this device, plan the oscillator configuration carefully: the internal 16 MHz HFINTOSC plus PLL provides 64 MHz FOSC without an external crystal, but USB, CAN, or high-accuracy timing applications still benefit from an external resonator. Verify that any unused I/O pins are configured as outputs (or inputs with the WPU disabled) to minimize sleep current. This page synthesizes distributor pricing, drop-in compatible same-family and cross-family alternatives, and practical design notes extending beyond the manufacturer datasheet excerpt.

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PIC18LF13K22-I/SO - 8-bit 64MHz 8KB Flash XLP MCU | Microchip
PIC18LF13K22-I/SO

PIC18LF13K22-I/SO - 8-bit 64MHz 8KB Flash XLP MCU | Microchip

The Microchip Technology PIC18LF13K22-I/SO is an 8-bit PIC18 nanoWatt XLP flash microcontroller running at up to 64MHz (16 MIPS) with 8KB (4K x 16) of Flash program memory, 256 bytes of SRAM, and 256 bytes of EEPROM, housed in a 20-pin SOIC package. The "LF" suffix designates the low-voltage F-variant core (1.8V-3.6V VDD), while "-I/" denotes the industrial temperature grade of -40°C to +85°C and "SO" identifies the 7.50 mm body 20-pin small-outline IC package. A PIC18 8-bit microcontroller is a Harvard-architecture RISC MCU in the broader category of microcontrollers -> embedded microcontrollers -> flash microcontrollers -> 8-bit microcontrollers -> semiconductor ICs. PIC18 devices are widely used for cost-sensitive, low-power embedded applications because they combine the simplicity of an 8-bit core with rich peripherals, C-compiler-optimized instruction set, and Microchip's mature MPLAB X toolchain. Key features include 10-bit ADC with up to 12 channels, multiple Enhanced USART, MSSP (SPI/I2C) interfaces, up to 17 I/O pins with individual interrupt-on-change capability, and nanoWatt XLP extreme low-power technology with sleep currents as low as sub-uA. The integrated 16MHz internal RC and 31kHz low-power oscillator eliminate external crystals in many designs. The PIC18LF13K22 architecture pairs a RISC core with a 16-bit wide instruction word and 8-bit data path, enabling single-cycle execution of most instructions and deterministic interrupt latency. The XLP power management provides multiple idle/sleep modes with dedicated deep-sleep and ultra-low-power wake-up sources, making the device suitable for battery-powered sensor and metering nodes. Typical applications include battery-powered sensor nodes, USB-free consumer peripherals (keyboards, remote controls, toys), low-cost sensor interfaces with on-chip ADC, and industrial control modules requiring extended temperature operation. Designers also use it as an upgrade target from older PIC16 designs needing more code space and a richer peripheral set. A key design consideration is that the LF core requires VDD between 1.8V and 3.6V; for 5V systems, select the PIC18F13K22 (F-core, 2.3V-5.5V VDD) instead. Always configure unused I/O pins as outputs low to minimize sleep current on XLP designs. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC18LF13K22T-I/SO - 8KB Flash XLP MCU, 64MHz, 20-SOIC
PIC18LF13K22T-I/SO

PIC18LF13K22T-I/SO - 8KB Flash XLP MCU, 64MHz, 20-SOIC

The Microchip Technology PIC18LF13K22T-I/SO is an 8-bit PIC18 nanoWatt XLP flash microcontroller delivering up to 64 MHz (16 MIPS) CPU performance with 8 KB of Flash program memory, 256 bytes of RAM, and 256 bytes of data EEPROM, housed in a 20-pin SOIC (SO) package supplied on tape and reel. The 'LF' variant supports an extended low-voltage range down to 1.8 V, making it suited to battery and energy-harvesting systems, while retaining full 5 V compatibility up to 3.6 V on the 'F' variant. Peripherals include multiple 8/16-bit timers, PWM modules, Enhanced USART (EUSART), Master SSP (I2C/SPI), a 10-bit ADC with up to 12 channels, and a comparator; the nanoWatt XLP technology provides deep sleep modes in the nanoamp range. A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, volatile data RAM, and on-chip peripherals such as timers, communication interfaces, and analog blocks. MCUs sit below microprocessors in the embedded hierarchy and are widely used in products that need deterministic, low-cost, real-time control. The PIC18 family is Microchip's 8-bit high-performance tier with a C-optimized RISC architecture and 16-bit instructions, bridging hobby-grade baseline PIC and the more powerful dsPIC/PIC32 lines. The device features self-programmability, an ICD-friendly in-circuit debugging interface, and a wide operating temperature range of -40 °C to +85 °C (I-grade), making it suitable for industrial, consumer, and IoT end products. The 10-bit ADC, comparator, and PWMs simplify sensor-conditioning and motor/lighting-control tasks. Internal oscillators and an on-chip voltage reference reduce the external BOM. Typical applications include battery-powered IoT sensor nodes, low-power remote controls, consumer white goods, small appliances, industrial sensor transmitters, and USB-to-UART bridges. Combined with Microchip's MPLAB X IDE and XC8 toolchain, the PIC18LF13K22 provides an easy on-ramp for both new designs and legacy PIC upgrades. The 'T' suffix denotes tape-and-reel packaging for high-volume SMT lines. When designing, choose this part when your node is battery or energy-harvest powered, requires >2 KB of code space, and benefits from a 20-pin SOIC for hand-solder-friendly prototypes. Place decoupling close to VDD/VSS and follow Microchip's PCB layout guidelines for low-pin-count XLP devices.

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PIC18LF13K22T-I/SS - 8KB Flash 8-bit XLP MCU | Microchip
PIC18LF13K22T-I/SS

PIC18LF13K22T-I/SS - 8KB Flash 8-bit XLP MCU | Microchip

The Microchip Technology PIC18LF13K22T-I/SS is an 8-bit RISC microcontroller from the PIC18 XLP 18K family, featuring 8KB (4K x 16) of Flash program memory, 256 bytes of SRAM, and 256 bytes of data EEPROM. Housed in a 20-pin SSOP (5.30 mm body width) package, the part operates at up to 64 MHz from a 1.8V to 3.6V supply and supports industrial temperature ranges from -40 °C to +85 °C. What is a PIC18 XLP microcontroller? An 8-bit microcontroller is a single-chip computer built around an 8-bit data path; the PIC18 family is Microchip's high-performance 8-bit architecture, originally introduced as 16-bit-opcode C-optimized RISC with a Harvard structure. The "LF" prefix designates the low-voltage nanoWatt XLP variant, "K22" identifies the 8KB Flash code-density tier within the PIC18F1XK22 family, "T" denotes a tape-and-reel packaging format, "I" specifies the industrial temperature grade, and "/SS" marks the 20-pin SSOP package. Within the broader power-managed silicon hierarchy, this part sits at MCU -> 8-bit microcontroller -> PIC18 -> nanoWatt XLP family -> semiconductor IC. Key features of the PIC18LF13K22T-I/SS include nanoWatt XLP technology for ultra-low-power sleep currents (typical applications cite deep-sleep currents below 100 nA with the RTCC running), 10-bit ADC with multiple channel options, Enhanced Capture/Compare/PWM (ECCP) modules, mTouch capacitive-touch sensing support, an on-chip 32 kHz RTCC, and an internal selectable oscillator that can eliminate the external crystal in cost-sensitive designs. Up to 18 general-purpose I/O pins are available on the 20-pin package, suiting human-interface, sensor, and small-motor control panels. Technical depth: the part implements a modified Harvard architecture with separate 16-bit instruction and 8-bit data paths, an 8-level hardware stack, and a vectored interrupt controller. The XLP sleep modes combine hardware-assisted wake sources (RTCC, watchdog, INT, IOC) with a low-power brown-out reset (LPBOR) and a Windowed Watchdog Timer (WWDT). Device programming is supported via ICSP and the Enhanced ICSP framework, with Microchip's code-protection and Configurable Logic Cell (CLC) peripherals allowing flexible in-system configuration without external glue logic. Typical applications include battery-powered remote controls, low-power wireless sensor nodes, capacitive-touch user interfaces, industrial sensor hubs, and small appliances requiring 8-bit deterministic control. With the LF supply range down to 1.8V, the device can be powered directly from a single 3V coin cell or two AA cells. When designing with this part, allocate the 256-byte SRAM carefully for stack-intensive C calls and reserve the ECCP and CLC modules for timing-critical paths. The internal 16 MHz HFINTOSC plus the 31 kHz LFINTOSC give flexibility, but for UART or USB timing precision an external crystal is normally preferred. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, providing a self-contained engineering reference for the PIC18LF13K22T-I/SS.

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PIC18LF13K50-I/MQ - 8-bit USB MCU 8KB Flash 48MHz | Microchip
PIC18LF13K50-I/MQ

PIC18LF13K50-I/MQ - 8-bit USB MCU 8KB Flash 48MHz | Microchip

The Microchip Technology PIC18LF13K50-I/MQ is an 8-bit PIC18 XLP microcontroller with integrated full-speed USB 2.0, 8 KB of Flash program memory, 512 bytes of RAM, and a 20-pin VQFN (MQ) 5x5 mm package. The LF prefix denotes the low-voltage variant operating from 1.8V to 3.6V, suitable for battery-powered designs leveraging the nanoWatt XLP technology for ultra-low sleep currents. The core runs at up to 48 MHz, providing the throughput required for USB 2.0 full-speed device operation. What is a microcontroller? A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and peripherals such as timers, ADCs, communication interfaces, and I/O. The PIC18LF13K50 belongs to the PIC18 8-bit family -> 8-bit microcontroller -> microcontroller -> embedded processor hierarchy, combining USB 2.0 connectivity with the energy efficiency of nanoWatt XLP for portable and consumer designs. Key features include a 10-bit ADC with up to 11 channels, mTouch capacitive touch sensing support, an internal voltage reference, a digital-to-analog peripheral, two PWM modules, and a configurable logic cell. The integrated USB 2.0 full-speed transceiver with on-chip 3.3V regulator eliminates the need for external USB transceivers, enabling direct connection to a USB Type-A or micro-AB port without expensive external components. The device supports internal oscillator modes up to 16 MHz and high-frequency oscillator modes for the 48 MHz USB clock. The 20-pin VQFN (MQ) package occupies a 5x5 mm PCB footprint, providing a compact solution for space-constrained designs. The device operates over the industrial -40C to +85C temperature range. The LF low-voltage variant is targeted at battery-powered USB peripherals, while the F variant (PIC18F13K50) extends operation up to 5.5V for bus-powered USB applications. Typical applications include USB HID peripherals (keyboards, mice, game controllers), USB-to-UART bridges, USB sensor nodes, battery-powered data loggers, capacitive touch USB interfaces, medical USB dongles, and industrial USB interface modules. The integrated USB 2.0, low power consumption, and small footprint make it ideal for any embedded design requiring USB connectivity with minimal external component count. When designing with this MCU, plan the USB bus-power decoupling: a 10uF bulk capacitor plus 100nF ceramic near the VUSB pin is recommended to meet USB suspend current requirements. The on-chip LDO produces 3.3V from the 5V VBUS line and feeds the internal USB transceiver and a limited amount of external circuitry; budget no more than ~3 mA external load on the 3.3V rail. Software development uses MPLAB X IDE with the XC8 compiler and the Microchip USB framework stack. This page synthesizes distributor pricing (as of 2026-09-28), drop-in compatible alternatives in the same VQFN-20 footprint, and practical design notes that supplement the manufacturer datasheet for engineers evaluating the PIC18LF13K50-I/MQ.

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PIC18LF13K50-I/P - 8-bit USB MCU, 8KB Flash, 20-PDIP | Microchip
PIC18LF13K50-I/P

PIC18LF13K50-I/P - 8-bit USB MCU, 8KB Flash, 20-PDIP | Microchip

The Microchip Technology PIC18LF13K50-I/P is a low-power 8-bit PIC18 microcontroller featuring a full-speed USB 2.0 interface, 8 KB of Flash program memory, 512 bytes of RAM, and a 10-bit ADC, supplied in a 20-pin PDIP (PDIP-20) through-hole package. It operates from 2.0V to 5.5V and supports clock speeds up to 48 MHz, with an internal oscillator and an industrial temperature range of -40C to +85C. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, peripherals, and I/O on a single die. The PIC18 family belongs to Microchip's 8-bit PIC architecture, sitting above the baseline PIC10/12/16 families in features and peripheral richness. The LF prefix denotes the low-voltage, low-power (nanoWatt XLP) variant suitable for battery-powered and energy-harvesting designs. Key features include 15 general-purpose I/O pins shared with peripheral functions, a 10-bit Analog-to-Digital Converter (ADC) with multiple input channels, support for I2C, SPI, EUSART (asynchronous/synchronous serial), and USB through on-chip transceivers, plus nanoWatt XLP technology for deep sleep currents under 1 uA. The 8 KB Flash is organized as 4K x 16 words, suitable for USB class firmware stacks such as CDC, HID, or custom vendor classes. The PIC18LF13K50 employs an enhanced Harvard architecture with a 16-bit instruction word and an 8-bit data path, providing deterministic interrupt latency and single-cycle instruction execution for most opcodes. The integrated USB 2.0 full-speed transceiver, 3.3V regulator, and on-chip pull-ups remove the need for external USB interface components, reducing BOM cost and PCB area in cost-sensitive USB peripherals. Typical applications include USB HID input devices (keyboards, mice, custom controls), USB-to-UART bridge dongles, low-power sensor nodes with USB diagnostics, industrial USB isolators, and educational development boards where the PDIP package simplifies hand soldering and breadboard prototyping. When designing with this device, ensure the USB D+/D- trace impedance matches 90 ohm differential per USB 2.0 specification and place the VUSB bypass capacitor within 5 mm of the VUSB pin. The LF prefix guarantees full-speed USB operation down to 2.0V, enabling single-cell Li-ion (3.7V nominal) designs without a boost converter. This page synthesizes distributor pricing, drop-in alternative MCU recommendations, and practical design notes not found in the manufacturer datasheet alone, giving engineers a complete evaluation reference.

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PIC18LF13K50-I/SO - 8-bit 48MHz USB MCU 8KB Flash | Microchip
PIC18LF13K50-I/SO

PIC18LF13K50-I/SO - 8-bit 48MHz USB MCU 8KB Flash | Microchip

The Microchip PIC18LF13K50-I/SO is an 8-bit PIC® XLP™ 18K microcontroller IC delivering 48 MHz CPU performance from an 8 KB (4K x 16) FLASH program memory, housed in a 20-pin SOIC (0.295"/7.50 mm width) package. The 'LF' suffix denotes the low-voltage (2.0 V to 3.6 V) variant of Microchip's PIC18F1xK50 USB family, while the 'F' parts target 2.0 V to 5.5 V operation. Both share a full-speed USB 2.0 device peripheral with on-chip transceiver. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM/EEPROM), and peripherals such as timers, ADC, and communication interfaces into one IC. The PIC18LF13K50 belongs to the 8-bit RISC PIC18 family, which sits within Microchip's 8-bit MCU hierarchy alongside PIC16 and PIC12 sub-families. Its eXtreme Low Power (XLP) technology category enables sleep currents under 1 µA typical, making it suitable for USB-powered or battery-powered embedded designs where power budgets are tight. Key features include 512 bytes of data RAM, 256 bytes of EEPROM, 15 I/O pins, a 10-bit ADC with multiple channels, and hardware USB 2.0 full-speed with on-chip transceiver. The 48 MHz internal oscillator eliminates the need for an external crystal in many designs. CIP (Core Independent Peripherals) such as CWG, CCP, and EUSART reduce firmware overhead. Master Clear Reset (MCLR), ICSP (In-Circuit Serial Programming), and debug support are integrated. Typical applications include USB human-interface devices (HID) such as keyboards and mice, USB-to-UART bridges, low-cost USB dongles, consumer electronics with USB charging/communication, and battery-powered IoT edge nodes. The wide 2.0 V to 5.5 V supply range (F variant) or 2.0 V to 3.6 V (LF variant) supports both 3.3 V and 5 V system rails commonly used in legacy and modern USB designs. When designing, route the USB D+/D- pair with 90-ohm differential impedance, place decoupling capacitors within 2 mm of VDD/VSS pins, and confirm regulator headroom. For the SOIC-20 variant, ensure the PCB land pattern matches JEDEC MS-013 standards. Designers should verify whether their application requires the 'F' (wider voltage) or 'LF' (low-power 3.3 V max) variant. This page synthesizes distributor pricing, drop-in same-package alternatives from the PIC18F1xK50 family, design notes, and PCB layout guidance that go beyond the manufacturer datasheet. All pricing references are as of 2026-09-28.

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