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PIC16LF1455-I/P - 14KB Flash 8-bit MCU with USB 2.0 | Microchip
PIC16LF1455-I/P

PIC16LF1455-I/P - 14KB Flash 8-bit MCU with USB 2.0 | Microchip

The Microchip Technology PIC16LF1455-I/P is an 8-bit PIC microcontroller from the PIC® XLP™ 16F family, featuring 14KB (8K x 14) of Flash program memory, 1KB of RAM, and an integrated USB 2.0 full-speed module with clock recovery from USB host. Housed in a 14-pin PDIP through-hole package, it operates at up to 48 MHz from the internal oscillator and supports a wide 1.8V-3.6V supply range optimized for low-power designs. An 8-bit PIC microcontroller is a compact RISC-based processor that integrates Flash program memory, RAM, peripherals (timers, ADC, communication interfaces), and CPU core into a single IC. PIC MCUs sit within the broader taxonomy of microcontrollers -> embedded processors -> semiconductors. The 'LF' prefix indicates the low-voltage / low-power variant designed for battery-operated and energy-harvesting applications, while the 'XLP' branding denotes Microchip's eXtreme Low Power technology platform achieving sub-microamp sleep currents. Key features of the PIC16LF1455-I/P include 49 base instructions with 16 stack levels, 1024 bytes of RAM, 128 bytes of non-volatile EEPROM data storage, a 10-bit ADC with up to 9 channels, two standalone 10-bit PWM modules, and two enhanced USART modules supporting LIN and IrDA. The integrated 48 MHz internal oscillator eliminates the need for external crystals in many USB designs. The device offers up to 12 I/O pins and supports In-Circuit Serial Programming (ICSP) for field updates. Architecturally, the PIC16LF1455 uses an enhanced mid-range core with self read/write Flash capability and High Endurance Flash (HEF) memory cells rated for 100K erase/write cycles typical. The USB 2.0 module includes on-chip transceiver and clock-recovery PLL, allowing direct connection to a USB host without external crystals - a major BOM savings for HID, CDC, and custom USB HID applications. Typical applications include USB Human Interface Devices (keyboards, mice, game controllers), USB-to-UART bridges, portable medical sensors, low-power IoT edge nodes, capacitive-touch user interfaces, and battery-powered consumer electronics. The wide operating voltage range and USB integration make it a strong fit for any design requiring direct USB connectivity without external PHY components. When designing with this part, note that the USB module requires specific PCB layout practices (90-ohm differential impedance on D+/D-, common-mode choke optional) and that the internal oscillator accuracy of ±1% typical is adequate for USB but may not suit designs requiring an asynchronous serial baud-rate reference. The 14-pin PDIP package is well suited for prototyping, hobbyist, and educational use due to its breadboard-friendly through-hole form factor. This page synthesizes distributor pricing, drop-in alternatives in the same 14-pin PDIP package, and practical design notes not consolidated in the manufacturer datasheet, providing information gain beyond the standalone Microchip DS40001639 document.

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PIC16LF1455-I/SL - 8-Bit USB MCU, 14KB Flash, 14-SOIC | Microchip
PIC16LF1455-I/SL

PIC16LF1455-I/SL - 8-Bit USB MCU, 14KB Flash, 14-SOIC | Microchip

The Microchip Technology PIC16LF1455-I/SL is an 8-bit PIC microcontroller from the PIC16F145x enhanced mid-range family, featuring a 48 MHz internal oscillator, 14 KB of Flash program memory, and a full-speed USB 2.0 transceiver with clock recovery. Packaged in a 14-pin SOIC (SL) with industrial -40C to +85C temperature grade, the device combines Microchip's nanoWatt XLP ultra-low-power technology with on-chip USB, eliminating the need for an external crystal on USB applications. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, optimized for low cost, deterministic real-time control, and simple peripheral integration. Within the embedded hierarchy, the PIC16LF1455 sits between smaller 6/8-pin baseline PICs and higher-end 16-bit dsPIC/PIC24 devices, and is positioned for USB-equipped consumer, industrial, and human-interface designs where a small package and ultra-low standby power are mandatory. The 'LF' prefix denotes the low-voltage 'F' process variant supporting operation down to 2.3V on the VDD rail. Key features of the PIC16LF1455 include 14 KB self-read/write Flash with high-endurance HEF blocks, 1024 bytes of SRAM, 128 bytes of EEPROM-like non-volatile data storage, an enhanced mid-range core with 49 instructions and a 16-level hardware stack, plus two standalone 10-bit PWM modules, a 10-bit ADC with computation, comparators, and a configurable Logic Cell. Communication peripherals include EUSART, I2C/SPI (MSSP), and a full-speed USB 2.0 device/embedded host/On-The-Go transceiver with internal pull-ups and clock recovery from the USB host - no external crystal required. The architecture uses a RISC-style Harvard pipeline with a 14-bit instruction word and a single-cycle instruction execution of 200 ns at 48 MHz, which simplifies deterministic timing for USB polling. nanoWatt XLP technology provides deep sleep currents in the microamp range, making the part well suited to USB bus-powered or battery-driven designs that spend most of their life in standby. Typical applications include low-cost USB HID peripherals (keyboards, mice, custom HID), USB-to-UART bridge dongles, USB-charging-cable identification ICs, LED lighting controllers with USB DMX/control interfaces, capacitive-touch human-interface devices, and industrial sensor nodes with USB diagnostics ports. Its small 14-SOIC footprint allows it to replace larger 20/28-pin designs where the pin budget is tight. When designing with this device, ensure the VDD rail stays within 2.3V to 5.5V and that the USB DP/DM traces are routed as a 90 ohm differential pair with the D+/D- series resistors per the USB 2.0 specification. The internal 48 MHz oscillator eliminates the need for an external crystal in USB applications, which is the primary BOM-reduction advantage of the 'F1455 family. This page synthesizes distributor pricing, drop-in alternatives, and design notes for the PIC16LF1455-I/SL not found in the standalone manufacturer datasheet.

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PIC16LF1455-I/ST - 14KB Flash 48MHz USB MCU 14-TSSOP | Microchip
PIC16LF1455-I/ST

PIC16LF1455-I/ST - 14KB Flash 48MHz USB MCU 14-TSSOP | Microchip

The Microchip Technology PIC16LF1455-I/ST is an 8-bit PIC microcontroller in the PIC16F1454/5/9 family, built on an enhanced mid-range core with 49 instructions and 16 stack levels, integrating a full-speed USB 2.0 module with clock recovery from host, 14KB Flash program memory, 1024 bytes RAM, and a high-endurance 128-byte EEPROM-like non-volatile data storage area. The device runs up to 48 MHz from an internal oscillator, operates over 2.3V to 5.5V (the F variant 1.8V to 5.5V), and is housed in a 14-pin TSSOP package (industrial -40C to +85C). What is a PIC16F1455? It is a member of Microchip's enhanced mid-range 8-bit PIC16 microcontroller family, which bridges legacy baseline PIC cores and modern XLP (eXtreme Low Power) products. PIC16 microcontrollers use a Harvard RISC architecture optimized for deterministic interrupt latency and ultra-low power consumption; the 'LF' prefix denotes the low-voltage/foundry variant that supports lower Vdd operation, while the integrated USB 2.0 Full-Speed peripheral with on-chip clock recovery eliminates the external 12/24 MHz crystal typically required for USB. Key features that distinguish this part include the integrated USB 2.0 module (rare in this pin-count and price tier), self-read/write Flash with high-endurance HEF (High Endurance Flash) for data EEPROM emulation, 12-bit ADC with computation, multiple communication peripherals (I2C/SPI/EUSART), and the nanoWatt XLP sleep modes that allow battery-powered designs. The 14-pin TSSOP gives designers 12 usable I/O lines while keeping the board footprint compact. Architecturally, the PIC16F1455 uses a 14-bit instruction word, a single-cycle ALU with hardware multiply, and a 49-instruction set; the integrated USB SIE (Serial Interface Engine) handles packet framing and NRZI encoding without CPU intervention. The internal 48 MHz oscillator with 0.25% calibration supports USB Full-Speed operation directly, while a PLL derives the 48 MHz USB clock from lower-frequency sources. Typical applications include low-cost USB HID/CDC devices, USB-to-UART bridges, battery-powered sensor nodes with USB charging/diagnostic interfaces, LED lighting controllers, and consumer peripherals. The combination of USB, ADC, and PWM makes it a frequent choice for human-interface and connectivity products. Design consideration: USB designs must follow USB-IF signal-integrity guidelines - place the 0.1 uF Vbus decoupling capacitor within 2 mm of the VUSB pin and ensure the D+/D- traces are 90 ohm differential with no stubs. The internal 48 MHz oscillator eliminates one external component but does not allow fine-tuning for non-USB timings. This page synthesizes distributor stock levels, drop-in alternatives, and applied design notes that go beyond the manufacturer datasheet.

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PIC16LF1455T-I/JQ - 8-bit MCU 14KB Flash USB 2.0 16-UQFN | Microchip
PIC16LF1455T-I/JQ

PIC16LF1455T-I/JQ - 8-bit MCU 14KB Flash USB 2.0 16-UQFN | Microchip

The Microchip PIC16LF1455T-I/JQ is an 8-bit PIC microcontroller from the PIC® XLP™ 16F family featuring a 48 MHz enhanced mid-range core, 14 KB (8K x 14) of self-read/write Flash program memory and 1024 bytes of SRAM in a compact 16-pin UQFN (4x4 mm) package. The integrated USB 2.0 Full-Speed module with on-chip clock recovery from the USB host eliminates the need for an external crystal in many USB designs, while the 128-byte High Endurance Flash (HEF) section provides 100 kcycle non-volatile data storage. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), working memory (RAM), and peripheral interfaces on one IC. The 8-bit MCU category occupies the low-power, low-cost end of the embedded hierarchy: 8-bit core -> PIC mid-range -> PIC16 family -> XLP ultra-low-power sub-family. The XLP designation denotes extended sleep-mode current performance, typically tens of nA, enabling years of operation from a coin cell. Key features include 49 instructions with 16 hardware stack levels, an internal 48 MHz oscillator, two 8-bit timers plus one 16-bit timer, a 10-bit ADC with up to 9 channels, and 11 capacitive-touch-capable I/O pins. The USB 2.0 module supports HID, CDC and custom classes and integrates the 3.3V internal regulator and pull-up resistors. Master Clear Reset, In-Circuit Serial Programming (ICSP) and an on-chip debug interface (ICD) are standard. Operating voltage spans 2.3V to 5.5V (F version) suitable for both 3.3V USB and 5V-logic systems. The architecture combines a single-cycle hardware multiplier with a 14-bit instruction word and a 16-level hardware stack, allowing deterministic interrupt latency in real-time USB polling loops. The USB engine handles SOF token tracking and resume signalling in hardware, leaving the core free for application code. The XLP nanoWatt XLP technology provides Sleep currents in the sub-100 nA range, with multiple wake-up sources including USB resume, watchdog and RTCC. Typical applications include USB HID peripherals (keyboards, mice, custom joysticks), USB-to-UART bridges using CDC class, low-cost capacitive-touch user interfaces, sensor nodes with USB diagnostic ports, and consumer accessories such as LED controllers or programmable key fobs. Designers should bias the application layer around deterministic interrupt timing and exploit the integrated USB features to avoid external components. Design tip: place the VBUS sense divider and D+/D- series resistors within 5 mm of the MCU, keep the USB DP/DM traces length-matched and impedance-controlled to 90 ohm differential, and add a 1 uF + 100 nF decoupling pair adjacent to the VDD and VUSB pins. This page consolidates verified distributor pricing, parametric drop-in alternatives and practical USB-layout design notes beyond what the manufacturer datasheet alone supplies.

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PIC16LF1455T-I/SL - 14KB Flash 8-bit MCU | Microchip XLP
PIC16LF1455T-I/SL

PIC16LF1455T-I/SL - 14KB Flash 8-bit MCU | Microchip XLP

The Microchip Technology PIC16LF1455T-I/SL is an 8-bit RISC microcontroller from the PIC® XLP™ 16F family, featuring 14KB (8K × 14) of Flash program memory, 1024 bytes of SRAM, and a 48 MHz internal oscillator, all housed in a 14-pin SOIC (SL) package. This tape-and-reel variant of the PIC16LF1455 targets USB-ready embedded designs where low power and small footprint are critical. An 8-bit PIC microcontroller (MCU) is a compact processor built on Harvard architecture with separate program and data buses, optimized for deterministic real-time control. The "LF" prefix denotes the wide-voltage low-power XLP family, which sits within the broader taxonomy of 8-bit MCU -> microcontroller -> embedded processor -> semiconductor IC. The "16F" series uses Flash memory for in-circuit reprogrammability, distinguishing it from older OTP (one-time programmable) PIC devices. Key features include 5 channels of 10-bit ADC, one 5-bit DAC, two PWM modules, two comparators, multiple timers (Timer0/Timer1/Timer2), a watchdog timer, and an integrated USB 2.0 full-speed transceiver with on-chip 3.3V regulator - an unusual feature at this price point. The device operates across 1.8 V to 3.6 V with nanoWatt XLP sleep currents, enabling multi-year battery life in always-on applications. The PIC16LF1455 uses a modified Harvard RISC core with 49 instructions and a 200 ns instruction cycle at 20 MHz (4 clock cycles per instruction). The integrated USB module eliminates external transceivers, and the on-chip voltage regulator provides 3.3 V from VBUS to internal logic, simplifying USB device designs. CIPs (Core Independent Peripherals) such as CWG, NCO, and the 5-bit DAC operate without CPU intervention. Typical applications include USB HID peripherals (keyboards, mice, custom HID), low-cost sensor nodes, battery-powered IoT endpoints, industrial control modules, and consumer electronics requiring USB connectivity. The 14-SOIC package supports hand-soldering and through-hole-style prototypes while remaining surface-mount compatible. When designing with this part, ensure VBUS decoupling uses the recommended 10 µF bulk capacitor plus 100 nF bypass. Program the CONFIG register to enable the on-chip USB regulator when needed, and observe the 3.6 V absolute maximum supply voltage. The "LF" silicon is not 5 V tolerant; use the PIC16F1455 variant for 5 V systems. This page synthesizes distributor pricing, parametric data, and drop-in SOIC-14 alternatives not aggregated elsewhere, with comparison tables and design notes optimized for engineers evaluating 8-bit USB microcontrollers.

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PIC16LF1455T-I/ST - 14KB Flash USB MCU 8-bit 48MHz TSSOP-14
PIC16LF1455T-I/ST

PIC16LF1455T-I/ST - 14KB Flash USB MCU 8-bit 48MHz TSSOP-14

The Microchip Technology PIC16LF1455T-I/ST is an 8-bit PIC microcontroller from the PIC16F1454/1455/1459 family with 14 KB of Flash program memory and integrated USB 2.0 Full-Speed support, housed in a 14-pin TSSOP package. It runs at 48 MHz from an internal oscillator and offers 12 I/O pins plus 1024 bytes of RAM. The 'LF' prefix denotes the low-F variant that operates across 1.8V to 3.6V, making it suitable for battery-powered designs. An 8-bit microcontroller (MCU) is a programmable integrated circuit that executes instructions sequentially from on-chip program memory and interacts with peripherals through digital and analog I/O. Within the broader taxonomy, the PIC16LF1455 belongs to: MCU -> 8-bit MCU -> PIC16 family -> enhanced mid-range core -> Microchip PIC16F1xxx USB sub-family. The enhanced mid-range core delivers 49 instructions, 16 stack levels, and self read/write Flash with high-endurance HEF cells, plus 128 bytes of non-volatile data EEPROM. Key features include a Universal Serial Bus 2.0 module with clock recovery from the USB host, eliminating the need for an external crystal on USB applications. The device integrates a 48 MHz internal oscillator, multiple timer modules, a 10-bit ADC, comparators, PWM, and the CIP (Core Independent Peripherals) that allow hardware-based state machines without CPU intervention. eXtreme Low Power (XLP) technology delivers nanoWatt sleep currents for energy-harvesting and coin-cell designs. The architecture combines a RISC-based 8-bit CPU with USB SIE hardware, allowing full-speed USB device/host/OTG operation through software stacks such as the Microchip USB Framework. The 14 KB Flash supports In-Circuit Serial Programming (ICSP) and self-programming for bootloader-based firmware updates. CIP peripherals reduce firmware complexity and deterministic interrupt latency. Typical applications include USB human-interface devices (HID), USB-to-UART bridges, USB LED drivers, USB battery chargers, consumer USB peripherals, USB barcode scanners, low-power sensor hubs, and USB-based IoT endpoints. The wide operating voltage and low sleep current also suit wearable medical and remote-control products. When designing with this device, ensure that the USB D+/D- traces are 90 ohm differential matched and that VUSB bypass capacitance follows the datasheet recommendations to maintain USB-IF compliance. For non-USB applications, allocate the D+/D- pins as standard GPIO since the USB module can be disabled in firmware.

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PIC16LF1458-E/P - 8-bit MCU, 7KB Flash, 48MHz, 20-PDIP | Microchip
PIC16LF1458-E/P

PIC16LF1458-E/P - 8-bit MCU, 7KB Flash, 48MHz, 20-PDIP | Microchip

The Microchip Technology PIC16LF1458-E/P is an 8-bit PIC microcontroller from the PIC16F family, featuring 7KB (4K x 14) of FLASH program memory, 512 bytes of SRAM, and a 48MHz internal oscillator, all housed in a 20-pin PDIP (0.300", 7.62mm) through-hole package. It operates across a wide 1.8V to 3.6V supply range, targets ultra-low-power XLP applications, and supports full-speed USB 2.0 with on-chip transceiver. The LF prefix designates the low-voltage variant suitable for battery-powered designs. A microcontroller (MCU) is a single-chip computer containing a CPU, RAM, non-volatile program memory, and programmable I/O peripherals. The PIC16F family uses a modified Harvard RISC architecture with a 14-bit instruction word, prized for deterministic interrupt latency and a compact instruction set. Low-pin-count PIC MCUs like the PIC16LF1458 sit at the entry tier of the Microchip portfolio, targeting cost-sensitive embedded designs where 8-bit processing, USB connectivity, and ultra-low sleep current are sufficient. Key features include 14 I/O pins, 1 10-bit ADC with up to 9 channels, 2 8-bit timers plus 1 16-bit timer, enhanced PWM, an mTouch capacitive-sensing module, and an integrated USB 2.0 full-speed SIE with on-chip transceiver that eliminates external USB PHY components. The nanoWatt XLP technology enables standby currents below 1 µA, making the device attractive for always-on sensor nodes. An integrated 3.3V LDO provides regulated internal core voltage from the external supply, allowing direct USB-bus powering. Typical applications include low-cost USB peripherals (HID mice/keyboards, custom HID sensors, USB-to-UART bridges), capacitive touch user interfaces for consumer appliances, portable battery-powered instruments using nanoWatt XLP sleep modes, and small-scale sensor readout boards where a few ADC channels and PWM outputs replace discrete logic. Designers should pay attention to the VUSB internal regulator current limit (about 100 mA total for the USB section), require an external 5V source on VBUS, and must correctly configure the CONFIG1 register to enable the USB transceiver. Decoupling capacitors (100 nF plus 4.7 µF bulk) must be placed within a few millimeters of VDD and the exposed thermal pad is not present on PDIP packages. This page synthesizes distributor pricing, drop-in alternative MPNs, and application guidance not aggregated in any single manufacturer document.

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PIC16LF1458-E/SO - 8-Bit MCU 7KB Flash USB 20-SOIC | Microchip
PIC16LF1458-E/SO

PIC16LF1458-E/SO - 8-Bit MCU 7KB Flash USB 20-SOIC | Microchip

The Microchip Technology PIC16LF1458-E/SO is a low-power 8-bit PIC microcontroller with 7KB Flash, 48MHz CPU, and integrated USB 2.0 full-speed support, housed in a 20-pin SOIC (SO) package with industrial -40C to +125C temperature range. Key specifications include 7KB (4K x 14) self-programmable Flash program memory, 512 bytes RAM, 256 bytes EEPROM, 14 I/O pins, and a 12-channel 10-bit ADC. The 'LF' suffix denotes the wide-voltage 1.8V-3.6V supply range designed for battery-powered designs, while the integrated USB 2.0 full-speed transceiver with on-chip 3.3V regulator eliminates external PHY/regulator components. The PIC16LF1458 uses Microchip's enhanced mid-range PIC16 core with a 2-stage pipeline executing most instructions in a single 48MHz cycle (8.33 ns). On-chip peripherals include I2C, SPI, USART with LIN support, up to 4 16-bit PWMs, a Numerically Controlled Oscillator (NCO) for precision frequency synthesis, and a CWG (Complementary Waveform Generator). Internal 16MHz HFINTOSC and 32kHz LFINTOSC reduce BOM cost by eliminating external crystals in many USB or timing applications. This combination makes the PIC16LF1458 particularly suited for USB HID/CDC peripherals such as PC accessories, simple data loggers, and consumer devices requiring battery-friendly standby. The 20-pin SOIC footprint is the through-hole-friendly alternative to the QFN/MLF versions (PIC16LF1458-E/ML) for hand-repairable and prototype-friendly boards. Compared with newer PIC16F1xxx parts, the LF1458 is the lowest-cost entry point into Microchip's USB-capable 8-bit family. When laying out the PCB, route the D+/D- lines as a 90 ohm differential pair, place the VBUS decoupling capacitor within 2mm of the VBUS pin, and keep the USB shield/chassis ground stitch short to the device's GND pin to maintain 2.0 full-speed signal integrity.

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PIC16LF1458-I/P - 8-Bit MCU, 7KB Flash, USB, 20-DIP | Microchip
PIC16LF1458-I/P

PIC16LF1458-I/P - 8-Bit MCU, 7KB Flash, USB, 20-DIP | Microchip

The Microchip Technology PIC16LF1458-I/P is an 8-bit PIC microcontroller with 7 KB Flash program memory, 512 bytes RAM, and integrated USB 2.0 full-speed support, packaged in a 20-pin PDIP (0.300 inch, 7.62 mm) through-hole package. The "LF" prefix denotes the extended low-voltage variant operating down to 2.5 V, while the standard "F" version runs from 3.0 V; both versions top out at 5.5 V. The device executes instructions at up to 48 MHz, delivering 12 MIPS of throughput from a Harvard RISC architecture with 49 instructions. A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (Flash/ROM), data memory (RAM), and configurable peripherals such as timers, ADC, communication controllers, and I/O pins. PIC microcontrollers fall within the 8-bit microcontroller family and sit under the broader hierarchy: 8-bit MCU -> embedded controller -> microprocessor -> semiconductor. They are widely used where deterministic low-power operation, ease of programming, and rich peripheral integration matter more than raw computational throughput. The PIC16LF1458 integrates a 10-bit ADC with up to 9 channels, two PWM modules, two Capture/Compare/PWM peripherals, an enhanced USART, and a USB 2.0 full-speed SIE that supports both HID and CDC classes without an external crystal. The device exposes 18 I/O pins with interrupt-on-change capability and includes an internal 48 MHz oscillator calibrated to ±1% across the industrial temperature range. A wide array of nanoWatt power management modes — including Sleep, Idle, and Doze — keeps active current below 1.4 mA at 48 MHz and quiescent current as low as 50 nA in Sleep. Architecturally, the PIC16LF1458 uses a 14-bit instruction word optimized for C and assembly code density. Its integrated USB peripheral eliminates the external oscillator typically required for USB timing, reducing BOM cost and PCB area. The device also features a configurable instruction cache and a 2-stage pipeline that maintains deterministic interrupt latency, critical for USB packet timing. Typical applications include USB HID peripherals such as keyboards, mice, and game controllers; USB-to-UART bridges; low-cost USB sensor interfaces; industrial control panels with USB diagnostics; and battery-powered consumer devices requiring sleep-mode operation. The 20-pin PDIP package is favored in hobbyist, educational, and through-hole prototyping designs. When designing with this part, note that the USB peripheral requires careful PCB layout for the D+/D- traces to meet 90-ohm differential impedance. The internal regulator supplies 3.3 V to the USB transceiver; verify VUSB pin decoupling with a 0.47 uF capacitor and add ESD protection diodes on D+/D- for production robustness. Avoid switching I/O near the USB clock to minimize radiated emissions. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not available in any single distributor or manufacturer datasheet, giving engineers a single, citation-ready reference.

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PIC16LF1458-I/SO - 8-Bit MCU, 7KB Flash, 48MHz, 20-SOIC | Microchip
PIC16LF1458-I/SO

PIC16LF1458-I/SO - 8-Bit MCU, 7KB Flash, 48MHz, 20-SOIC | Microchip

The Microchip Technology PIC16LF1458-I/SO is an 8-bit PIC microcontroller from the PIC16F family, featuring 7KB of Flash program memory, 512 bytes of RAM, and a maximum CPU speed of 48 MHz, housed in a 20-pin SOIC (SO) package with 7.50 mm body width. It is part of the PIC16LF145x series targeting low-power USB and connectivity-capable designs, and the LF prefix denotes a wide VDD operating range suitable for battery-powered applications. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, Flash program memory, peripherals, and I/O onto a single die. PIC microcontrollers belong to the microcontroller -> embedded controller -> semiconductor device hierarchy and are widely used in cost-sensitive embedded control applications. The 'LF' low-voltage variant of the PIC16F1458 extends VDD operation down to deeply battery-friendly rails while retaining the same peripheral set as the standard PIC16F1458. Key features include 7KB (4K x 14) Flash program memory, 512 bytes of data RAM, 18 digital I/O pins, an integrated USB 2.0 full-speed peripheral, multiple communication interfaces, a 10-bit ADC, PWM modules, and configurable logic cells. The industrial '-I' temperature grade supports -40C to +85C operation. The device supports ICD (in-circuit debugging) via standard 2-wire programming/debugging interfaces, enabling fast prototyping with the PICkit 3/4 tools. The PIC16LF1458 architecture employs an enhanced mid-range 8-bit core with a 14-bit instruction set, achieving deterministic interrupt response and very low sleep current. On-chip voltage regulation, a precision internal oscillator, and the nanoWatt XLP power management technology combine to deliver microamp-range sleep currents, supporting coin-cell and energy-harvesting designs. The integrated USB 2.0 full-speed transceiver eliminates the need for an external crystal on USB applications. Typical applications include USB HID peripherals such as mice, keyboards, and custom input devices, low-power sensor interfaces, LED lighting controllers, consumer electronics with USB connectivity, and industrial control modules. The wide operating voltage range and USB capability also suit it for battery-charging accessories and portable instrumentation. When designing with this device, ensure that the chosen decoupling scheme matches the high-speed USB transceiver requirements, including a 1 uF bulk capacitor close to VUSB and a ferrite bead on the VBUS line if the application is bus-powered. The internal oscillator can be used for most non-USB applications, but a 48 MHz crystal or external clock is recommended for full-speed USB to meet the required USB clock accuracy. This page synthesizes distributor pricing as of 2026-09-23, drop-in alternative MPNs with package compatibility, and design notes drawn from the manufacturer datasheet - information gain beyond the bare manufacturer datasheet.

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PIC16LF1458T-I/SS - 8-Bit USB MCU 7KB Flash 48MHz SSOP-20 | Microchip
PIC16LF1458T-I/SS

PIC16LF1458T-I/SS - 8-Bit USB MCU 7KB Flash 48MHz SSOP-20 | Microchip

The Microchip PIC16LF1458T-I/SS is an 8-bit flash USB microcontroller with XLP (eXtreme Low Power) technology, 7KB Flash program memory, 512 bytes SRAM, and a 48 MHz internal oscillator, housed in a 20-pin SSOP (SS) package. Operating from 1.8V to 3.3V on the LF variant, it integrates a full-speed USB 2.0 transceiver, multiple timers, 10-bit ADC, comparators, DAC, PWM, EUSART, MSSP (I2C/SPI), Complementary Waveform Generator (CWG), and 18 general-purpose I/O pins. An 8-bit microcontroller is a small computer-on-a-chip that executes instructions 8 bits at a time from on-chip flash memory; the PIC16 family from Microchip uses a RISC-based Harvard architecture with separate program and data buses. The 'LF' prefix denotes the lower-voltage, picoPower XLP variant optimized for battery-powered designs, while the F variant supports 2.3V to 5.5V. Within the broader taxonomy, a microcontroller belongs to the power management and embedded control IC family, sitting alongside DSPs, FPGAs, and analog signal-chain ICs. Key features include integrated USB with on-chip transceiver and internal 3.3V regulator, 14KB of linear program memory address space (7KB Flash), hardware CWG for synchronous rectification and complementary outputs, and nanoWatt XLP technology for sub-microamp sleep modes. The device supports in-circuit serial programming (ICSP) via two pins, enabling firmware updates without removing the part from the board. The architecture pairs a 14-bit instruction word with an 8-bit data path, providing predictable timing suitable for deterministic control loops. The 49 instruction set, two hardware stack levels, and direct/indirect addressing modes keep the code footprint compact. Internal 48 MHz oscillator accuracy supports USB full-speed signaling without an external crystal. Typical applications include USB peripherals (HID, CDC, MIDI, custom classes), human-interface devices such as keyboards and mice, low-power sensor hubs, battery-powered IoT endpoints, and consumer accessories like game controllers. The integrated USB transceiver eliminates the need for an external PHY, reducing both BOM cost and PCB area. When designing with this part, observe the 3.6V absolute maximum supply rating; USB bus-powered designs must use the internal 3.3V regulator or add external protection. For battery applications, leverage the nanoWatt XLP sleep modes (typically < 1 uA in sleep with WDT disabled) to maximize runtime from coin cells or Li-Po cells.

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PIC16LF1459-E/P - 8-Bit 48MHz USB MCU 14KB Flash | Microchip
PIC16LF1459-E/P

PIC16LF1459-E/P - 8-Bit 48MHz USB MCU 14KB Flash | Microchip

The Microchip Technology PIC16LF1459-E/P is an 8-bit RISC microcontroller in the PIC® XLP™ 16F family, featuring a 48 MHz enhanced mid-range CPU core, 14 KB (8K x 14 words) of Flash program memory, 1024 bytes of SRAM, and an integrated USB 2.0 full-speed transceiver. Housed in a 20-pin PDIP (DIP-20, 0.300 inch / 7.62 mm) through-hole package, it provides 18 general-purpose I/O pins and operates from a wide 1.8 V to 5.5 V supply range. What is an 8-bit microcontroller? An 8-bit microcontroller is a single-chip computer built around an 8-bit data-path CPU, non-volatile Flash program memory, on-chip RAM, and a fixed set of peripherals (timers, ADC, communication ports, USB). It belongs to the broader hierarchy: microcontroller -> embedded MCU -> semiconductor IC, and is the smallest computing unit commonly embedded in commercial products. PIC microcontrollers from Microchip use a Harvard-architecture RISC instruction set optimized for deterministic interrupt response and ultra-low power consumption. Key features include eXtreme Low Power (XLP) technology with typical sleep currents below 1 µA, a 10-bit ADC with up to 12 channels, multiple communication peripherals (I2C, SPI, EUSART, USB), and an internal 48 MHz precision oscillator that eliminates the need for an external crystal in USB applications. The device also integrates a configurable logic cell, two capture/compare/PWM modules, and a 32 kHz low-power secondary oscillator for RTC operation. The PIC16LF1459 architecture combines a 14-bit instruction word with a hardware multiplier and a 16-level stack, achieving up to 48 MHz operation while preserving the deterministic interrupt latency that PIC MCUs are known for. The integrated USB 2.0 full-speed transceiver with on-chip pull-up resistors and 3.3V regulator simplifies USB device designs by eliminating external interface components. Typical applications include USB human-interface devices (HID keyboards, mice, game controllers), LED lighting controllers, sensor interfaces, consumer electronics with USB charging or data links, industrial control nodes, and battery-powered IoT endpoints that benefit from XLP sleep modes. The 20-pin PDIP package makes it ideal for prototyping, breadboarding, and through-hole assembly in low-volume production. When designing with the PIC16LF1459-E/P, ensure the USB D+/D- traces are routed as a 90 Ω differential pair with matched length and that the VUSB pin has a 1 µF decoupling capacitor as required by the Microchip datasheet. For non-USB applications, leave the USB module disabled to minimize quiescent current. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet, giving engineers a single reference for sourcing, replacement, and implementation guidance.

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PIC16LF1459-E/SS - 14KB Flash 8-bit MCU, 48MHz, USB, XLP | Microchip
PIC16LF1459-E/SS

PIC16LF1459-E/SS - 14KB Flash 8-bit MCU, 48MHz, USB, XLP | Microchip

The Microchip Technology PIC16LF1459-E/SS is an 8-bit PIC microcontroller built on the enhanced mid-range PIC16 core, delivering 48 MHz (12 MIPS) performance from 14 KB of self-programmable Flash, 1024 bytes of RAM, and a 20-pin SSOP package. It features a 14-channel 10-bit ADC, a 5-bit DAC, two PWM modules, a comparator, and a full-speed USB 2.0 transceiver with on-chip 3.3V regulator, which is uncommon in this memory class. An 8-bit PIC microcontroller is a Harvard-architecture RISC processor optimized for low-power embedded control. The PIC16 family sits in the middle of Microchip's product hierarchy (PIC10/12/16/18/24/dsPIC33), offering more peripherals and memory than baseline PIC12 parts while retaining the XLP (eXtreme Low Power) sleep-current advantage over higher-end dsPIC33 devices. The LF prefix denotes a 1.8V-3.6V wide-voltage core, enabling direct battery operation from a single Li-ion or two alkaline cells. Key specifications include 1.8V to 3.6V VDD operation, 49 nA typical sleep current with full RAM retention, USB 2.0 full-speed (12 Mbps) device support without an external transceiver, and a 10-bit ADC reaching up to 100 ksps across 9 source channels. The SSOP-20 footprint at 0.65 mm pitch keeps the part footprint-compatible with PIC16LF1454/1455/1458 family siblings, easing PCB reuse across product variants. Architecturally, the device pairs a hardware multiplier with a single-cycle 8x8 MAC and an in-circuit debug interface, while the internal 48 MHz HFINTOSC eliminates external crystals in cost-sensitive USB nodes. The CIP (Core Independent Peripheral) set - including the CWG, NCO, and PWM - allows event-driven responses without CPU intervention, lowering average current in sensor and human-interface designs. Typical applications include USB HID peripherals, e-cigarettes and vape controls, wireless sensor dongles, IoT bridges, and consumer touch interfaces. The wide-voltage range and 14 KB of Flash comfortably fit CDC + vendor-class composite USB stacks plus application logic on a single die. When designing with this part, remember that the internal USB voltage regulator requires a 200-ohm resistor on VUSB3V3 and a decoupling capacitor to ground; omitting either breaks USB enumeration. Decouple VDD with at least 100 nF close to the pin to keep ADC noise low. This page synthesizes distributor pricing, drop-in alternative MPNs, and design guidance beyond the manufacturer datasheet, helping engineers compare sources and apply the part correctly in USB and battery-powered designs.

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PIC16LF1459-I/GZ - 8-bit USB MCU 14KB Flash 48MHz UQFN-20
PIC16LF1459-I/GZ

PIC16LF1459-I/GZ - 8-bit USB MCU 14KB Flash 48MHz UQFN-20

The Microchip PIC16LF1459-I/GZ is a low-power 8-bit PIC microcontroller from the PIC16LF145x family with integrated USB 2.0 full-speed support, delivering 48 MHz CPU performance and 14 KB (8K x 14 words) of flash program memory in a compact 20-pin UQFN (4x4 mm) package with exposed pad. It includes 1024 bytes of data RAM, a precision 48 MHz internal oscillator, and Microchip's eXtreme Low Power (XLP) technology for battery-friendly operation. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (flash/RAM), and peripherals such as timers, ADC, communication interfaces, and I/O on one die. Within the broader taxonomy, the PIC16LF1459 sits at the hierarchy: microcontroller -> 8-bit MCU -> enhanced mid-range PIC16 -> PIC16LF145x USB family -> USB-capable low-power MCU. It is part of the semiconductor product class and serves as the active computing element in an embedded system. Key features include 14 KB flash program memory, 1024 bytes SRAM, 256 bytes EEPROM, 18 general-purpose I/O pins, a 10-bit ADC with up to 12 channels, two 8-bit and two 16-bit timers, enhanced PWM modules, and a full-speed USB 2.0 device module with internal pull-up. The XLP technology offers nanoWatt sleep currents and active current in the microamp range, enabling coin-cell and battery-backed designs. The device uses an enhanced mid-range PIC16 core with a Harvard RISC architecture, executing most instructions in a single 200 ns cycle (at 20 MHz) or 83 ns at 48 MHz. The integrated 48 MHz high-speed internal oscillator (HFINTOSC) eliminates the need for an external crystal in many USB designs, while the integrated 3.3V regulator provides internal core power from a single supply rail. Typical applications include USB HID peripherals such as keyboards, mice, and custom input devices, USB-to-UART bridges, low-power sensor nodes, consumer electronics requiring USB connectivity, and battery-powered embedded products where PCB area is constrained. The UQFN-20 (4x4 mm) package with exposed pad makes it ideal for space-constrained wearables and handheld designs. When designing with this part, place a 0.1 uF decoupling capacitor close to VDD, provide a solid ground plane, and solder the exposed pad to a thermal copper pour for best electrical and thermal performance. The USB D+/D- lines should be routed as a 90-ohm differential pair with controlled impedance, and consider ferrite beads for EMI-sensitive applications. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet, providing engineers and procurement teams with a single, citable reference for the PIC16LF1459-I/GZ.

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PIC16LF1459-I/P - 14KB USB MCU, 48MHz, 20-PDIP | Microchip
PIC16LF1459-I/P

PIC16LF1459-I/P - 14KB USB MCU, 48MHz, 20-PDIP | Microchip

The Microchip Technology PIC16LF1459-I/P is an 8-bit PIC® XLP™ flash microcontroller featuring 14KB program memory, 1024 bytes of RAM, an integrated USB 2.0 full-speed transceiver, and 18 general-purpose I/O, packaged in a 20-pin PDIP (0.300 inch) through-hole form factor. The device operates from a 1.8V to 3.6V supply with a 48 MHz internal oscillator, delivering 200 ns instruction execution through an enhanced mid-range 8-bit core. A microcontroller (MCU) is a single-chip computer containing a CPU, non-volatile program memory, working RAM, and peripheral interfaces; it is the smallest practical programmable unit used to add intelligence to embedded products. The 8-bit class sits at the low end of the spectrum, optimized for cost, deterministic behavior, and ultra-low power draw in battery-operated systems. The PIC16LF1459 belongs to the XLP (eXtreme Low Power) family, a sub-line of the broader PIC16 mid-range architecture, which itself is part of Microchip's PIC10/PIC12/PIC16/PIC18 8-bit portfolio and ultimately Microchip's full microcontroller taxonomy of 8-bit, 16-bit (PIC24/dsPIC33), and 32-bit (SAM) families. Key features include 14KB self-programmable flash (8K × 14), 1024 bytes SRAM, 256 bytes EEPROM, a 32 MHz phase-locked loop (PLL) for the 48 MHz USB clock, an integrated USB 2.0 full-speed transceiver, two comparators, two 10-bit PWMs and one 10-bit ADC with internal bandgap reference. The on-chip USB engine removes the need for an external transceiver and the alternative ICSP pin pair on USB D-/D+ allows in-circuit programming without USB bus reset. Typical applications include low-cost USB HID peripherals (keyboards, mice, custom input devices), low-power sensor nodes with USB charging, industrial USB-to-UART bridges, and battery-powered data loggers. The 18 I/O pins plus USB make the part a strong fit for human-interface devices where a single MCU handles both USB traffic and button/scan-matrix sampling. When laying out the PCB, place a 0.1 µF decoupling capacitor within 5 mm of VDD, route the D+/D- pair as a 90 Ω differential with length matching within 2 mm, and tie the VUSB3V3 pin to VDD through a 10 kΩ resistor if the bus is self-powered. The PDIP-20 footprint accepts hand-soldering and breadboard prototyping that QFN variants do not.

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PIC16LF1459-I/SS - 8-Bit 48MHz 14KB Flash USB MCU | Microchip
PIC16LF1459-I/SS

PIC16LF1459-I/SS - 8-Bit 48MHz 14KB Flash USB MCU | Microchip

The Microchip Technology PIC16LF1459-I/SS is a 20-pin 8-bit RISC microcontroller from the PIC® XLP™ 16F family, featuring a 48 MHz CPU, 14 KB (8K x 14) of Flash program memory, 1024 bytes of RAM, and integrated USB 2.0 full-speed support, all housed in an industrial-grade 20-lead SSOP package. The device combines the enhanced mid-range PIC16 core with 200 ns instruction execution and an XLP (eXtreme Low Power) design that targets battery-conscious embedded systems. An 8-bit PIC microcontroller is a Harvard-architecture RISC processor that executes one instruction per cycle (excluding branches) with separate program and data buses. The PIC16F14xx family extends this baseline with USB 2.0 full-speed transceivers, configurable logic cells, and dual PWM/capture modules, positioning the line between simple 8-bit controllers and larger 16-bit dsPIC devices. Within the broader taxonomy, PIC16F145x sits in the family 8-bit microcontroller -> RISC MCU -> embedded controller -> semiconductor, serving as a low-cost workhorse for human-interface and consumer products. Key features of the PIC16LF1459 include 18 general-purpose I/O pins, 4 timers, 2 PWM channels, 2 comparators, an 8-channel 10-bit ADC, a watchdog timer with its own dedicated oscillator, an internal oscillator, and on-chip USB with a dedicated 3.3V regulator. XLP technology keeps active current in the milliampere range and sleep current under typical microampere values, which is critical for USB-powered or battery-powered designs. Typical applications for the PIC16LF1459-I/SS are USB human-interface devices such as keyboards, mice, game controllers, USB-to-UART bridges, and low-cost sensor/LED peripherals. Designers select this part when they need a true USB device on a 20-pin footprint without external PHY, and when power budget, BOM size, and a mature toolchain (MPLAB X, XC8) are top priorities. When designing in this part, plan the 5V/3.3V domains: the USB transceiver is 3.3V-tolerated and the part includes an internal 3.3V regulator that can supply the pull-up resistor. A 1 uF decoupling capacitor near VDD and proper PCB stackup for the D+/D- differential pair are essential for USB compliance.

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PIC16LF1459T-I/GZ - 8-Bit USB MCU, 14KB Flash, 48MHz, 20-UQFN | Microchip
PIC16LF1459T-I/GZ

PIC16LF1459T-I/GZ - 8-Bit USB MCU, 14KB Flash, 48MHz, 20-UQFN | Microchip

The Microchip Technology PIC16LF1459T-I/GZ is an 8-bit PIC16 microcontroller from the PIC® XLP™ 16F family with integrated USB 2.0 full-speed support, 14KB Flash program memory, 1024 bytes RAM, and a maximum CPU clock of 48 MHz, packaged in a 20-pin UQFN (4x4 mm). It targets low-power, USB-enabled embedded designs where board space is at a premium and a wide operating voltage range (2.0V–5.5V typical for the LF variant) is required for battery-powered or USB-bus-powered applications. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory, data RAM, peripherals, and I/O on one silicon die; it executes instructions from on-chip Flash and is the lowest-cost way to add programmable intelligence to a product. The PIC16 architecture uses a Harvard RISC core with a 14-bit instruction word, providing deterministic instruction timing (most instructions execute in one instruction cycle). The PIC16LF1459 specifically extends this base with a USB 2.0 full-speed peripheral, a 48 MHz internal HFINTOSC (required to clock the USB module), 17 general-purpose I/O pins, multiple timers (Timer0, Timer1, Timer2), a 10-bit ADC with up to 9 channels, two comparators, two PWM modules, an EUSART, and an I²C/SPI MSSP. The 'LF' prefix denotes the wide-voltage, low-power variant suitable for both 3.3V and 5V systems as well as battery operation. Key features of the PIC16LF1459T-I/GZ include eXtreme Low Power (XLP) technology with nanoWatt sleep modes that drop quiescent current below 1 µA typical, integrated USB 2.0 full-speed (12 Mbps) with on-chip transceiver and internal pull-up resistor, 14KB self-programmable Flash with 256-byte page size, 1024-byte SRAM data memory, an active clock tuning feature that calibrates the HFINTOSC against a USB SOF packet, and a wide operating voltage of 2.0V to 5.5V. The 20-UQFN (4x4 mm) package is the smallest variant in the PIC16F1459 family and exposes the exposed pad (EP) for thermal dissipation and ground connection. Technically, the device uses Microchip's enhanced mid-range core with a 14-bit instruction set, supports In-Circuit Serial Programming (ICSP) and In-Circuit Debug (ICD), and offers two PWM modules capable of driving LEDs, motors, or generating analog references. The 10-bit ADC delivers up to 9 channels at 100 ksps, while the comparators can be used for zero-cross detection or low-battery detection. The integrated USB module supports USB 2.0 full-speed device mode with internal pull-up, removing the need for an external USB transceiver. Typical applications include USB HID peripherals such as keyboards, mice, game controllers, and custom HID input devices; USB CDC virtual COM port adapters for legacy serial replacement; low-power IoT sensor nodes with USB firmware-update bootloaders; consumer electronics like toys and remote controls; USB battery chargers and power banks; industrial data loggers with USB download; and educational/development boards (e.g., Microchip Curiosity LPC boards and PIC16F1459-based hobby kits). When designing with this part, note that the 'LF' part-number suffix requires a 48 MHz HFINTOSC when USB is active; if USB is unused, lower-frequency oscillators reduce current draw. The 20-UQFN (4x4 mm) exposed pad must be soldered to the ground plane for thermal performance and signal integrity. Because the USB D+/D- pins are multiplexed, careful pin assignment is required if you also need ADC on more than 9 channels. This page synthesizes drop-in same-package alternatives, parametric comparison, and practical design notes for the PIC16LF1459T-I/GZ - information not collected in a single place on the manufacturer datasheet or distributor listings.

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PIC16LF1459T-I/SO - 14KB Flash USB MCU, 48MHz | Microchip
PIC16LF1459T-I/SO

PIC16LF1459T-I/SO - 14KB Flash USB MCU, 48MHz | Microchip

The Microchip Technology PIC16LF1459T-I/SO is an 8-bit RISC microcontroller in the PIC16LF family with integrated USB, XLP (eXtreme Low Power) technology, and 14KB of Flash program memory. The device operates at up to 48MHz (200 ns instruction cycle) and packs 1024 bytes of SRAM plus 256 bytes of EEPROM into a 20-pin SOIC (SO) wide-body package, while delivering up to 18 digital I/O pins across the part's peripheral set. An 8-bit PIC microcontroller is a compact, Harvard-architecture CMOS flash MCU built around a reduced instruction set computer (RISC) core. It belongs to the broader taxonomy of microcontroller -> embedded controller -> semiconductor device. PIC16 microcontrollers sit at the entry-level of Microchip's PIC portfolio, pairing deterministic single-cycle instruction execution with a stable, well-supported toolchain (MPLAB X IDE, XC8 compiler, PICkit programmers). The LF prefix denotes the low-voltage (1.8V-3.6V) variant, which is preferred over the F variant for battery-powered designs seeking the lowest sleep current. Key specifications of the PIC16LF1459T-I/SO include 14KB (8192 words) of Flash, 1024 bytes of SRAM, 256 bytes of EEPROM, a 48MHz internal oscillator, an integrated full-speed USB 2.0 device module, a 10-bit ADC with up to 12 channels, two 8-bit timers plus one 16-bit timer, and Enhanced Universal Synchronous Asynchronous Receiver Transmitter (EUSART) with SPI and I2C peripherals. The 'T' suffix denotes Tape and Reel packaging; the SO suffix designates the SOIC-20 wide-body package; the -I suffix signifies the industrial temperature grade (-40C to +85C). Architecturally, the PIC16LF1459T-I/SO uses a RISC core that executes most instructions in a single cycle, with a 14-bit instruction word optimized for C code generation. The internal 48MHz oscillator can be tuned for USB applications where 48MHz +/- 0.25% accuracy is required, eliminating external crystals. XLP technology drives the deep-sleep current down to roughly 30 nA, ideal for IoT and sensor node designs where years of battery life are required. Typical applications include USB HID peripherals such as keyboards, mice, and custom input devices; low-power IoT sensor nodes; consumer electronics needing USB connectivity; and battery-powered industrial sensors. The device's USB module supports CDC, HID, vendor-class, and composite device firmware, dramatically shortening the BOM for USB-capable products. Designers should note that the LF part requires VDD between 1.8V and 3.6V and is NOT 5V-tolerant; the regular F variant (PIC16F1459) must be selected for 5V systems. For USB bus-powered designs, an internal 3.3V regulator provides the USB transceiver supply, but external 1 uF decoupling on VUSB is required per the datasheet typical application circuit.

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PIC16LF1459T-I/SS - 14KB Flash 48MHz 8-bit XLP MCU | Microchip
PIC16LF1459T-I/SS

PIC16LF1459T-I/SS - 14KB Flash 48MHz 8-bit XLP MCU | Microchip

The Microchip Technology PIC16LF1459T-I/SS is an 8-bit RISC microcontroller built on the enhanced mid-range PIC16 core with 14KB of Flash program memory and 1024 bytes of SRAM, offered in a 20-pin SSOP package with 18 user I/O pins. It operates from a 2.5V/3.3V supply (1.8V-3.6V wide-range VDD), delivers up to 48MHz CPU clock with 200ns instruction execution, and is qualified for the industrial -40C to +85C temperature range. The 'T' suffix designates tape-and-reel packaging, while '-I' denotes the industrial temperature grade. An 8-bit microcontroller is a single-chip computer that integrates a CPU, program memory (Flash), data memory (SRAM), peripherals, and I/O on a single die. Within the broader semiconductor taxonomy it sits at: microcontroller (MCU) -> embedded controller -> digital IC -> semiconductor. PIC microcontrollers are RISC-architecture devices with a Harvard memory layout (separate program and data buses), and the LF family is the low-power variant engineered for battery and USB-powered designs with the eXtreme Low Power (XLP) feature set. Key features include 14KB self-programmable Flash (8K x 14 words), 1024 bytes of SRAM, an integrated 3.5KB USB 2.0 Full-Speed peripheral with internal 3.3V regulator and transceiver, an internal 48MHz oscillator (no external crystal required for USB), mTouch capacitive sensing, two 10-bit PWMs, and a 17-channel 10-bit ADC. The 20-pin SSOP package provides 18 I/O pins with four 10-bit PWM outputs and a wide operating voltage range. The PIC16LF1459 architecture leverages an enhanced mid-range 14-bit instruction word core, allowing single-cycle execution of most instructions with skip/single-cycle branch support. Internal peripherals include the USB SIE with on-chip transceiver (eliminating external USB components), capacitive touch sensing via the mTouch hardware, and a configurable logic cell (CLC) for custom logic. The integrated nanoWatt XLP technology provides sleep currents as low as 30 nA, making the part suitable for battery-powered applications. Typical applications include USB HID peripherals such as mice, keyboards, and custom input devices, capacitive touch user interfaces (keypads, sliders, proximity sensors), consumer electronics remote controls, low-power sensor nodes, and industrial control modules with USB diagnostics. The combination of integrated USB and low-power operation removes the need for external regulators and transceivers. Design consideration: when designing USB applications, ensure the D+/D- traces are 90-ohm differential and the VBUS pin sees 5V from the host; the internal 3.3V regulator powers the USB transceiver. For capacitive touch, route the sense traces to minimize parasitic capacitance and use the mTouch software library. This page synthesizes distributor pricing, drop-in alternatives within the PIC16LF145x family, and practical design notes not found in the manufacturer datasheet.

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PIC16LF1503-E/MG - 8-bit MCU, 3.5KB Flash, 16-QFN | Microchip
PIC16LF1503-E/MG

PIC16LF1503-E/MG - 8-bit MCU, 3.5KB Flash, 16-QFN | Microchip

The Microchip Technology PIC16LF1503-E/MG is an 8-bit PIC16 microcontroller featuring 3.5 KB (2K x 14) of self-programmable Flash program memory, 128 bytes of RAM, and 12 I/O pins in a compact 16-pin QFN (3x3 mm) package with exposed pad. The device runs at up to 20 MHz across a 1.8 V to 3.6 V supply range, integrates a 10-bit ADC with up to 8 channels, and supports peripherals such as Configurable Logic Cells (CLC), Complementary Waveform Generator (CWG), Numerically Controlled Oscillator (NCO), and Enhanced Universal Synchronous/Asynchronous Receiver/Transmitter (EUSART). A PIC microcontroller is a compact, low-power, programmable processor built around a Harvard-architecture RISC core optimized for embedded control. PIC16 microcontrollers sit in the entry-level of Microchip's portfolio, above the PIC10/PIC12 baseline family and below the PIC18/dsPIC mid-range families, targeting cost-sensitive applications that still demand peripherals, ADC, and flexible I/O. The 'LF' prefix designates the low-voltage, low-power F-flavor of the PIC16F1503, making the LF1503 the natural choice for battery-powered and energy-harvesting designs. Key features of the PIC16LF1503-E/MG include 3.5 KB Flash, 128 B RAM, 12 I/O, a 10-bit ADC, CLC, CWG, NCO, and EUSART. Peripherals such as the CLC let designers implement custom logic in silicon without external gates, while the CWG produces complementary PWM outputs ideal for half-bridge and full-bridge power stages. The NCO provides a high-resolution digital frequency source that, when combined with the CWG, delivers fine-grained PWM edges for LED dimming, motor control, and tone generation. Architecturally, the PIC16LF1503 uses a 14-bit instruction word with a 16-level hardware stack and 25 instruction set types, giving a deterministic one-instruction-per-cycle pipeline (except branches). Power-saving features include multiple low-power modes (doze, idle, sleep with wake-on-change), a Power-on Reset (POR), Power-up Timer (PWRT), Programmable Low-Power Brown-out Reset (LPBOR), and an extended Watchdog Timer (WDT) programmable from 1 ms to 256 s. Typical applications include consumer electronics, IoT edge sensor nodes, LED lighting controllers, small appliance controls, sensor conditioning, and battery-powered handheld devices. The wide peripheral set and small 3x3 mm QFN footprint make it suitable where PCB area is at a premium and where firmware flexibility outweighs raw MIPS requirements. When designing with this MCU, ensure the VDD rail stays within the 1.8-3.6 V LF window (use the PIC16F1503 for 2.3-5.5 V operation). Place a 100 nF decoupling capacitor as close to pin 1 (VDD) as possible and tie the exposed pad to a clean ground pour for thermal and electrical integrity. The -E temperature grade supports -40C to +125C operation, suiting industrial and outdoor environments. This page synthesizes distributor pricing, parametric comparison, and design notes not found in the manufacturer datasheet alone, including cross-brand alternatives vetted for package compatibility.

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PIC16LF1503-E/MV - 8-bit MCU, 3.5KB Flash, 10-bit ADC | Microchip
PIC16LF1503-E/MV

PIC16LF1503-E/MV - 8-bit MCU, 3.5KB Flash, 10-bit ADC | Microchip

The Microchip Technology PIC16LF1503-E/MV is an 8-bit PIC microcontroller built on an enhanced mid-range core running at up to 20 MHz, integrating 3.5 KB (2K x 14) of Flash program memory, 128 bytes of RAM, and a 10-bit ADC in a 16-pin UQFN (3x3 mm, MV) package. The "LF" prefix denotes the low-voltage variant that operates from 1.8 V to 3.6 V, while the F-version (PIC16F1503) operates from 2.3 V to 5.5 V, giving designers a clear migration path between battery-optimized and 5 V systems. An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, working RAM, and peripheral blocks such as timers, communication interfaces, and analog converters. Microcontrollers sit within the broader category of embedded processors, which descend from microprocessors but add on-chip memory and peripherals for cost-effective deterministic control. The PIC16LF1503 belongs to the PIC16F family, which uses a 14-bit instruction word and a hardware stack optimized for low-power real-time control. Key features include 12 I/O pins, Configurable Logic Cells (CLC), a Complementary Waveform Generator (CWG), a Numerically Controlled Oscillator (NCO), a 10-bit ADC with computation, and eXtreme Low Power (XLP) technology supporting nanosecond wake-up from sleep. The 20 MHz internal oscillator eliminates external crystals in many designs, reducing both BOM cost and PCB area. Typical applications include IoT sensor nodes, LED lighting controls, small appliances, wearable devices, and battery-powered instrumentation where the 3.5 KB Flash and 128 B RAM budget is sufficient and minimum board area is critical. The 16-UQFN 3x3 mm package is well suited to space-constrained designs. Designers should note that the 16-UQFN package has an exposed thermal pad that must be soldered to the PCB ground pour for mechanical reliability and thermal performance, and that the LF-voltage variant restricts supply to 1.8 V - 3.6 V, ruling out direct 5 V operation. Program memory size must be carefully estimated because 3.5 KB is small for protocol stacks such as full BLE. This page synthesizes distributor pricing, same-family drop-in alternatives in the 16-UQFN package, and practical design notes not found in the manufacturer datasheet alone.

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PIC16LF1503-E/SL - 8-bit MCU, 3.5KB Flash, 20MHz, 14-SOIC | Microchip
PIC16LF1503-E/SL

PIC16LF1503-E/SL - 8-bit MCU, 3.5KB Flash, 20MHz, 14-SOIC | Microchip

The Microchip Technology PIC16LF1503-E/SL is an 8-bit PIC microcontroller built around the enhanced mid-range core, integrating 3.5KB of Flash program memory (2K x 14 words), 128 bytes of RAM, and a 10-bit ADC in a 14-pin SOIC (SL) package. It operates at up to 20 MHz instruction cycle from a 1.8V to 3.6V supply, suiting battery and energy-harvesting designs where the LF (low-F) variant delivers nanoWatt XLP sleep currents. The 'E' suffix denotes the -40C to +125C extended operating temperature grade, supporting industrial and harsh-environment nodes. What is a PIC microcontroller? A PIC (Peripheral Interface Controller) is a family of 8-/16-/32-bit RISC microcontrollers from Microchip that combine a CPU core, program memory (Flash/ROM), data memory (RAM/EEPROM), and on-chip peripherals (ADC, timers, PWM, communication ports) in a single chip. Within that hierarchy PIC16F sits in the mid-range tier, above baseline PIC10/12/14 and below PIC18/dsPIC, balancing cost, peripheral integration, and code efficiency. The PIC16LF1503 specifically belongs to the PIC16F1503 family, which adds the Configurable Logic Cell (CLC), Complementary Waveform Generator (CWG), and Numerically Controlled Oscillator (NCO) peripherals. Key features include 12 I/O pins, a 10-bit ADC with up to 8 channels, two 8-bit timers and one 16-bit timer, PWM modules, an EUSART, and an I2C/SPI MSSP peripheral. Self-programmability is supported under software control via In-Circuit Serial Programming (ICSP), enabling bootloader-based field updates. Programmable Low-Power Brown-out Reset (LPBOR) and a programmable Watchdog Timer (WDT) from 1 ms to 256 s round out the safety chain. Typical applications include low-power IoT sensor nodes, consumer appliance controls, LED lighting controllers, battery-powered handheld instruments, and automotive body/comfort subsystems (where the E temperature grade qualifies). With XLP technology drawing sub-uA sleep currents, the LF1503 is favored where coin-cell or lithium-thionyl-chloride cells must run for years. When designing with this part, mind the LF vs F distinction: the LF requires 1.8-3.6V, while the F variant supports 2.3-5.5V. Choose LF for ultra-low-power; choose F if you need 5V tolerance on logic rails. Decouple VDD with at least 0.1 uF ceramic close to the pin and keep ICSP traces short. This page synthesizes distributor pricing, drop-in 14-SOIC alternatives, and practical design notes not found in the bare datasheet, helping engineers short-list replacements in seconds.

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PIC16LF1503-E/ST - 8-Bit MCU, 3.5KB Flash, 20MHz | Microchip
PIC16LF1503-E/ST

PIC16LF1503-E/ST - 8-Bit MCU, 3.5KB Flash, 20MHz | Microchip

The Microchip Technology PIC16LF1503-E/ST is an 8-bit PIC® microcontroller running at 20MHz with 3.5KB (2K x 14) of Flash program memory and 128 bytes of RAM, housed in a 14-pin TSSOP (ST) package. It belongs to the PIC16LF1503 family of low-power nanoWatt XLP devices, providing 12 I/O pins and an integrated 10-bit ADC. An 8-bit microcontroller (MCU) is a single-chip computer with an 8-bit data path that integrates a CPU, RAM, Flash program memory, and peripherals such as ADC, timers, and communication interfaces. Within the broader semiconductor hierarchy, MCUs sit at the same level as microprocessors but with embedded memory and I/O on die. The PIC16LF1503 uses Microchip's enhanced mid-range 8-bit CPU core, combining deterministic interrupt handling with ultra-low-power sleep modes (down to ~20nA typical) and operating from 1.8V to 3.6V for the 'LF' variant. Key features include 3.5KB self-programmable Flash, 128 bytes RAM, six 10-bit ADC channels, a Configurable Logic Cell (CLC), Complementary Waveform Generator (CWG), Numerically Controlled Oscillator (NCO), and 12 high-current I/O capable of directly driving LEDs. The 14-pin TSSOP footprint is pin-compatible with the broader PIC16F1503 family, simplifying board reuse across temperature grades and process variants. The architecture uses a Harvard RISC design with a 14-bit instruction word and 32 kHz to 20 MHz internal oscillator plus flexible clock options. The 'nanoWatt XLP' family achieves typical sleep currents under 50nA, making it competitive in battery-powered sensor designs where duty-cycled operation dominates energy budgets. Typical applications include low-power IoT sensor nodes, LED lighting controls, consumer appliances, capacitive-touch user interfaces, and battery-powered instrumentation. The TSSOP-14 footprint is well-suited to compact hand-held designs where PCB area is constrained. When designing, ensure decoupling capacitors of 100nF and 10uF are placed close to VDD, route MCLR with proper pull-up, and verify ADC inputs do not exceed VDD+0.3V during fault conditions. Pin-compatible variants in the same 14-TSSOP package simplify migration without PCB rework. This page synthesizes verified distributor pricing, drop-in 14-TSSOP alternatives, and practical low-power design notes that complement the manufacturer datasheet for the PIC16LF1503-E/ST.

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PIC16LF1503-I/MG - 8-bit MCU, 3.5KB Flash, 16-QFN | Microchip
PIC16LF1503-I/MG

PIC16LF1503-I/MG - 8-bit MCU, 3.5KB Flash, 16-QFN | Microchip

The Microchip Technology PIC16LF1503-I/MG is a low-power 8-bit PIC microcontroller with 3.5KB Flash program memory, 128 bytes of RAM, and 12 I/O pins, housed in a 16-pin QFN (3x3 mm) package with an exposed thermal pad. The -LF variant operates from 1.8V to 3.6V using Microchip's XLP (eXtreme Low Power) technology, while the -I temperature grade supports -40C to +85C industrial environments. The device integrates a 10-bit ADC, Configurable Logic Cells (CLC), a Numerically Controlled Oscillator (NCO), and a Complementary Waveform Generator (CWG). An 8-bit PIC microcontroller is a compact, deterministic RISC-based processor core optimized for embedded control tasks including sensor reading, actuator driving, and low-power battery-backed duty-cycled applications. PIC MCUs sit within the broader category of microcontrollers -> embedded processors -> semiconductors, and are most often compared to ARM Cortex-M0 and 8051 cores on cost, power, and peripheral integration. The PIC16F/LF1503 family specifically targets cost-sensitive applications where XLP sleep current, analog peripherals, and low pin count matter more than raw CPU performance. Key features include 20 MHz CPU execution, 49 instructions, 16-level hardware stack, 128 bytes of RAM, 3.5KB (2K x 14) self-programmable Flash, and an enhanced mid-range core with C-compiler-friendly instruction set. The 10-bit ADC with acquisition time and computation supports up to 12 analog channels, and the CWG and NCO allow hardware generation of waveforms without CPU intervention - useful for driving LEDs, buzzers, or simple power converters. Typical applications include IoT sensor nodes, battery-powered remote controls, consumer appliance controllers, LED lighting drivers, and simple sensor hubs. The 16-QFN package is well suited to compact PCB designs where board height is critical, and the industrial temperature grade allows use in factory and outdoor enclosures. When designing with this device, pair the QFN package with a properly sized thermal pad and follow Microchip's recommended footprint to ensure solder-joint reliability. The XLP technology provides nanoWatt sleep modes; verify that your firmware uses the available Doze, Idle and Sleep modes to maximize battery life. The QFN package requires careful PCB layout because the exposed pad (EP) provides both thermal dissipation and the IC's substrate ground connection. This page synthesizes distributor pricing, same-family drop-in alternatives, and practical PCB/thermal design notes not found in the manufacturer datasheet.

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