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PIC16F1454T-I/ST

PIC16F1454T-I/ST - 8-bit USB MCU 14KB Flash 48MHz TSSOP-14 | Microchip

The Microchip PIC16F1454T-I/ST is an 8-bit PIC16F microcontroller with integrated USB 2.0 full-speed support, 14KB (8K x 14) flash program memory, 1KB RAM, and a 48MHz internal oscillator, housed in a 14-pin TSSOP package. The 'T' suffix denotes tape-and-reel packaging and the 'I' indicates the industrial temperature grade (-40C to +85C). Built on Microchip's enhanced mid-range core with 49 instructions and 16 stack levels, it executes instructions in 200ns at 48MHz and supports self-read/write flash with high endurance. A microcontroller (MCU) is an integrated circuit that combines a CPU core, program memory (flash/ROM), working memory (RAM), and programmable peripherals into a single chip. The PIC16F1454 belongs to the 8-bit PIC16 family of microcontrollers, which sit at the entry-level of Microchip's product hierarchy (PIC16F -> 8-bit MCU -> MCU -> semiconductor). The 'XLP' (eXtreme Low Power) branding signals sleep currents in the microamp range, which is critical for battery-powered USB HID, sensor, and remote-control designs. Key features include 128 B of non-volatile data storage (EEPROM-like), a Universal Serial Bus 2.0 module with clock recovery from the USB host (eliminating an external crystal for many USB applications), an MI2C/SPI master module, and 8 general-purpose I/O pins. The internal 48MHz oscillator supports USB full-speed operation without an external resonator, simplifying the BOM and shrinking the PCB footprint. Typical applications include USB HID peripherals (keyboards, mice, custom HID devices), USB-to-UART bridges, sensor hubs, low-cost capacitive touch interfaces, lighting controls, and consumer products that need a single-chip USB solution at minimum external component count. The wide 2.3V-5.5V operating range also suits direct USB bus-powered designs. When designing with this part, leverage the internal 48MHz oscillator for USB to avoid external crystal cost, but add a 0.1uF decoupling capacitor near every VDD pin and route the USB D+/D- lines as a 90-ohm differential pair. The 14-pin TSSOP leaves only 8 usable GPIO, so plan pin allocation early. This page consolidates verified distributor pricing, drop-in TSSOP-14 alternatives, and practical USB design guidance that goes beyond what the manufacturer datasheet alone provides.

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PIC16F1455-E/SL

PIC16F1455-E/SL - 8-Bit USB MCU 14KB Flash 48MHz | Microchip

The Microchip Technology PIC16F1455-E/SL is an 8-bit PIC microcontroller in the PIC® XLP™ 16F family, offering 14 KB (8K x 14) of Flash program memory, 1 KB of RAM, and a maximum CPU speed of 48 MHz. It is housed in a 14-pin SOIC (SL) package with a body width of 3.90 mm and operates across the industrial -40 °C to +125 °C temperature range. The part integrates a full-speed USB 2.0 module with clock recovery from the USB host, eliminating the need for an external crystal on USB applications. A microcontroller (MCU) is a single-chip computer containing a CPU, program memory, working RAM, and a rich set of peripheral interfaces such as timers, ADC, communication ports, and increasingly USB and capacitive touch sensing. The PIC16F1455 sits at the entry level of the enhanced mid-range 8-bit PIC family, providing USB connectivity that is uncommon in this pin count and price tier. Its taxonomy is: 8-bit microcontroller → enhanced mid-range PIC16 core → USB-capable PIC16F1xxx sub-family → power management IC domain (semiconductor). Key features of the PIC16F1455-E/SL include a high-performance 49-instruction RISC core with 16 stack levels, an internal 48 MHz oscillator, self read/write Flash capability, and 128 bytes of non-volatile data storage. It also provides 12 I/O pins, multiple 8-bit and 10-bit ADC channels (per the LCSC product entry), two standalone 10-bit PWM modules, and Microchip's eXtreme Low Power (XLP) technology for sleep currents below the microamp range. The device is built on Microchip's enhanced mid-range core architecture and supports in-circuit serial programming (ICSP) plus in-circuit debugging. Its USB 2.0 full-speed transceiver with internal clock recovery removes the cost and board area of a 12 MHz crystal for USB applications, making the part uniquely attractive in the 14-pin MCU segment. Typical applications include USB HID peripherals (keyboards, mice, custom input devices), low-cost USB-to-UART bridges, sensor and lighting nodes requiring capacitive touch via mTouch, consumer toys, and battery-powered IoT endpoints that benefit from the XLP sleep current profile. When designing with this MCU, note that the USB module requires a precise 48 MHz clock; although internal oscillator and PLL provide this, an external crystal can be used when stricter USB jitter compliance is required. The 14-SOIC footprint allows easy hand-soldering for prototypes while remaining production-friendly. This page synthesizes distributor pricing, drop-in package alternatives, and practical design notes for the PIC16F1455-E/SL that are not aggregated in the manufacturer datasheet alone.

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PIC16F1455-E/ST

PIC16F1455-E/ST - 8-Bit 48MHz USB MCU 14KB Flash TSSOP-14 | Microchip

The Microchip Technology PIC16F1455-E/ST is an 8-bit PIC16 enhanced mid-range microcontroller with integrated USB 2.0 full-speed support, 14KB of self-read/write Flash program memory and a 48MHz internal oscillator, housed in a 14-pin TSSOP (ST) package. The device combines an 8-bit RISC core, 49 instruction set with 16 stack levels, 128 bytes of non-volatile data EEPROM, and USB clock recovery from host, making it ideal for embedded USB-to-UART bridges, HID peripherals and low-cost USB nodes. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash for program, SRAM for data, EEPROM for non-volatile storage), and programmable I/O peripherals on one die. The PIC16F1455 belongs to the 8-bit PIC16 family (PIC16 -> 8-bit MCU -> microcontroller -> semiconductor), targeting cost-sensitive USB applications where an external transceiver is undesirable. Within Microchip's taxonomy it is part of the PIC16F145x enhanced mid-range series, sharing silicon with the PIC16F1454 and PIC16F1459 in different pin counts. Key features include 14KB Flash program memory organized as 8K x 14 words, 1024 bytes SRAM, 128 bytes EEPROM, up to 12 I/O pins, USB 2.0 full-speed module with on-chip transceiver and clock recovery, an internal 48MHz oscillator accurate to within +/-0.25% across voltage and temperature, a 10-bit ADC with up to 9 channels, two 8-bit timers, one 16-bit timer, Enhanced PWM module, MSSP for SPI/I2C, and the eXtreme Low Power (XLP) sleep current of typically <50 nA. The PIC16F1455 uses Microchip's enhanced mid-range core with a 14-bit instruction word. Peripherals are accessed through a peripheral pin-select (PPS) matrix, which remaps digital functions onto general-purpose I/O, simplifying PCB routing. The integrated USB 2.0 module supports full-speed (12 Mbps) device and limited-host/OTG modes with on-chip 3.3V internal regulator and D+/D- transceivers, eliminating the need for an external PHY. Typical applications include USB-to-UART bridges, USB HID peripherals (keyboards, mice, custom input devices), low-cost USB sensor nodes, USB chargers with smart negotiation, and small consumer/industrial devices that need a USB interface without an external transceiver. The 14-pin TSSOP footprint also suits designs where board area is critical. When designing with this device, confirm that the chosen application requires only up to 12 I/O pins since the TSSOP-14 package exposes limited GPIO. For designs needing more I/O, the PIC16F1459 in 20-pin packages is pin-compatible with the same firmware. Decoupling requires a 100nF ceramic capacitor close to VDD and a 4.7uF bulk capacitor on the USB VBUS rail if VBUS sensing is used. This page synthesizes distributor pricing, drop-in package-compatible alternatives from the PIC16F145x family and Microchip portfolio, and practical design notes not collected in a single place in the manufacturer datasheet.

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PIC16F1455-I/JQ

PIC16F1455-I/JQ - 14KB Flash USB MCU 48MHz | Microchip

The Microchip PIC16F1455-I/JQ is an 8-bit PIC16F microcontroller with 14KB Flash, 1KB RAM, integrated USB 2.0 full-speed transceiver, and a 48MHz internal oscillator, housed in a 16-pin UQFN (4x4 mm) package with exposed pad. It belongs to the eXtreme Low Power (XLP) family, delivering 49 instructions across 16 stack levels and supporting self read/write Flash memory with High Endurance Flash (HEF) technology. A microcontroller (MCU) is a single-chip computer containing a CPU, Flash program memory, SRAM data memory, EEPROM, and a rich set of peripherals such as timers, ADC, communication interfaces, and I/O ports. PIC microcontrollers use a modified Harvard RISC architecture that executes one instruction per clock cycle (except branches), enabling deterministic timing and high code efficiency. The PIC16F1455 sits at the intersection of mainstream 8-bit PIC MCUs and USB-enabled devices, making it a popular choice for low-cost USB peripherals, HID-class devices, and embedded sensors. Within Microchip's taxonomy, the PIC16F1455 belongs to the enhanced mid-range PIC16F1xxx family, which extends the classic PIC16F baseline with linear program memory and more peripherals. Key features include 14KB (8K x 14) self-programmable Flash with 128 bytes of non-volatile data storage, 1KB RAM, 8 general-purpose I/O pins, an integrated 48MHz precision internal oscillator, an on-chip USB 2.0 full-speed module with clock recovery from host, two standalone 10-bit PWM modules, a 10-bit ADC with up to 8 channels, and an operating voltage range of 2.3V to 5.5V (industrial temperature range -40C to +85C). The UQFN-16 (4x4 mm) package with exposed thermal pad supports very compact PCB designs and provides excellent thermal performance for the small package footprint. The USB module includes a dedicated 3.3V internal regulator and on-chip transceiver, eliminating the need for external crystals for low-speed and full-speed USB. Combined with the 48MHz internal oscillator and a peripheral pin select (PPS) system, the PIC16F1455 reduces BOM cost for USB HID, CDC, and custom-class devices. The HEF Flash supports 100K erase/write cycles, suitable for data logging and parameter storage. Typical applications include USB HID peripherals (keyboards, mice, custom input devices), USB-to-UART bridges, LED lighting controllers, low-power sensor nodes, consumer electronics with USB charging monitoring, and industrial control panels requiring USB diagnostics. The XLP feature set enables sleep currents below 1 uA, making the part attractive for battery-powered devices. When designing with this part, place a 0.1 uF decoupling capacitor as close as possible to the VDD pin and connect the exposed thermal pad to the ground plane for thermal and electrical performance. The USB D+/D- traces should be routed as a 90-ohm differential pair and kept as short as possible. For bus-powered designs, the internal 3.3V regulator can supply up to ~50 mA to external circuitry, but verify against USB inrush current limits. This page synthesizes distributor pricing, drop-in alternatives within the PIC16F1xxx family, USB design notes, and practical engineering guidance that goes beyond what the manufacturer datasheet alone provides.

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PIC16F1455-I/ML

PIC16F1455-I/ML - 8-bit 48MHz USB MCU 14KB Flash | Microchip

The Microchip Technology PIC16F1455-I/ML is an 8-bit PIC16F microcontroller featuring a 48 MHz enhanced mid-range CPU core, 14 KB of Flash program memory, and an integrated USB 2.0 full-speed device interface, packaged in a 16-pin QFN (4x4 mm) with exposed pad. It operates from 2.3V to 5.5V and is qualified for the industrial -40C to +85C temperature range. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash/EEPROM/RAM), and peripherals on one die. The PIC16F1455 belongs to the PIC16F1xxx enhanced mid-range family, positioned in Microchip's hierarchy as PIC16 family -> 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. Its 49-instruction RISC core provides deterministic execution while the XLP (eXtreme Low Power) technology variant enables deep-sleep currents below 1 uA, allowing USB-equipped nodes to run from coin cells in HID and sensor applications. Key features include 14 KB self-read/write Flash, 1024 B RAM, 256 B EEPROM, 128 B of non-volatile data storage (HEF), a 16-level hardware stack, and 12 I/O pins. The integrated USB 2.0 full-speed transceiver with on-chip 3.3V regulator eliminates the need for an external USB PHY in many designs, while two standalone 10-bit PWM modules, an Enhanced Universal Synchronous/Asynchronous Receiver/Transmitter (EUSART), and Master I2C/SPI peripherals support mixed-signal connectivity. Architecturally, the PIC16F1455 uses an enhanced mid-range core with 49 instructions, automatic context saving on interrupts, and a configurable instruction pipeline. The 48 MHz internal oscillator with 4x PLL and a 31 kHz low-power oscillator provide both high-throughput USB timing and low-Iq standby. Internal high-endurance Flash (HEF) delivers up to 100k erase/write cycles, suitable for data logging and parameter storage. Typical applications include USB HID peripherals (keyboards, mice, custom input devices), USB-to-UART bridges, LED lighting controllers with USB firmware update, low-cost sensor nodes, and industrial human-interface panels. Designers also deploy it in USB bootloader hosts, medical instrumentation data ports, and consumer audio accessories. When designing with this part, allocate the exposed pad (EP) to a continuous ground pour for thermal dissipation and signal integrity. The USB D+/D- traces must be length-matched within 150 mil; place the 27 ohm series resistors close to the MCU pins per USB 2.0 specification. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC16F1455-I/P

PIC16F1455-I/P - 48MHz 8-Bit USB MCU | Microchip

The Microchip Technology PIC16F1455-I/P is an 8-bit PIC16 flash microcontroller operating up to 48 MHz, with 14 KB of Flash program memory, 1024 bytes of data RAM, and a 14-pin PDIP package. It integrates a 5-bit and 10-bit conversion interface, a 48 MHz internal oscillator, and a USB 2.0 module with clock recovery for USB-connected control and data-acquisition equipment. A microcontroller is a programmable integrated circuit containing a processor core, memory, timers, serial interfaces, and input/output peripherals. It belongs to the PIC16 family and combines an 8-bit RISC architecture with flash-based firmware storage. The PIC16F1455-I/P occupies the microcontroller hierarchy above embedded controller and is intended for compact systems that need moderate processing speed, USB connectivity, and flexible digital and analog I/O. The device provides 14,336 bytes of Flash memory organized as 8K by 14 program words, plus 1024 bytes of SRAM for working data. Its internal 48 MHz oscillator eliminates the need for an external clock in many designs. The family provides 49 instructions, a 16-level stack, and self-read/write capability, while High Endurance Flash supports 128 bytes of non-volatile data storage. USB 2.0 with clock recovery enables direct host connectivity. The PIC16F1455-I/P combines an enhanced mid-range CPU core with integrated USB and mixed-signal capabilities. Five-bit and 10-bit conversion features support applications that need sensed inputs alongside digital control. Flash firmware permits field reconfiguration without removable media, and the internal oscillator reduces board area and component count compared with designs requiring an external timing source. Typical uses include USB-connected sensor nodes, compact USB data loggers, USB interface cards, embedded instrumentation, and industrial control modules that require a 14-pin through-hole microcontroller. The 14-pin PDIP package also simplifies prototype assembly, inspection, and hand rework compared with fine-pitch surface-mount packages. When designing the board, reserve the programming and debug interface pins, route the USB differential pair as a controlled impedance connection, and place input and output decoupling capacitors close to the supply pins. Confirm oscillator start-up behavior, watchdog settings, and USB clock-recovery configuration in the system firmware. The same family is also available in different package and temperature-grade configurations, so the exact ordering suffix must match the PCB and operating environment. This product page consolidates the core Flash, RAM, timing, conversion, USB, package, and sourcing details for the PIC16F1455-I/P while adding practical PCB guidance, pin-level design guidance, and a focused comparison with same-footprint family alternatives.

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PIC16F1455-I/SL

PIC16F1455-I/SL - 8-Bit 48MHz MCU 14KB Flash USB | Microchip

The Microchip Technology PIC16F1455-I/SL is an 8-bit RISC microcontroller from the PIC16F145x family that delivers up to 48MHz core clock speed with 14KB of self-programmable Flash program memory and 1KB SRAM, housed in a 14-pin SOIC (SL) package with industrial -40C to +85C temperature range. It features Microchip's nanoWatt XLP extreme-low-power technology for USB and non-USB applications and integrates a full-speed USB 2.0 transceiver plus 1.25KB of additional dual-purpose RAM for USB endpoint buffering. An 8-bit microcontroller (MCU) is a compact single-chip computer built around an 8-bit data bus, optimized for deterministic real-time control rather than raw throughput. Within the broader semiconductor taxonomy, this places the part as: microcontroller -> embedded processor -> integrated circuit. The PIC16F1455 is a mid-range enhanced PIC16 device, designed to bridge traditional PIC16 peripherals with modern connectivity (USB) while preserving the small footprint and easy programmability of Microchip's legacy mid-range cores. Key differentiating features include an integrated USB 2.0 full-speed transceiver that eliminates external USB PHY circuitry, 5 channels of 10-bit ADC, a 5-bit DAC, 2 comparators, 2 PWM modules, 4 timers, a watchdog timer, and an internal 48MHz precision oscillator that removes the need for an external crystal in many designs. The device supports 2.0V to 5.5V operation, enabling direct battery and USB-powered designs. Architecturally, the PIC16F1455 uses a 14-bit instruction word and Harvard-style program/data buses, with hardware multiplier and C compiler-friendly architecture for code density. The XLP sleep mode draws typically sub-microamp currents, suitable for always-on USB HID, sensor nodes, or mouse/keyboard peripherals. USB Suspend/Resume handling is implemented in hardware, offloading the CPU. Typical applications include low-cost USB peripherals (HID mice/keyboards, USB-to-UART bridges, CDC virtual COM ports), consumer electronics with USB charging control, small industrial sensor interfaces, and battery-powered data loggers. Its USB integration makes it a strong fit where adding a separate USB controller chip would inflate BOM cost or PCB area. When designing with this device, ensure that the 3.3V USB voltage reference is properly decoupled with a 1uF capacitor at VUSB3V3, and use the internal 48MHz oscillator with the PLL engaged to avoid external resonator BOM. The -I suffix denotes the industrial temperature grade; select -E for extended 125C operation. This page consolidates distributor pricing, true drop-in SOIC-14 alternatives, and engineering design notes that the bare Microchip datasheet does not present in a single decision-ready view.

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PIC16F1455-I/ST

PIC16F1455-I/ST - 14KB Flash USB MCU 48MHz TSSOP-14 | Microchip

The Microchip Technology PIC16F1455-I/ST is an 8-bit enhanced mid-range PIC microcontroller featuring 14 KB of Flash program memory, 1024 bytes of RAM, and an integrated USB 2.0 full-speed module with clock recovery. The device runs at up to 48 MHz from an internal oscillator, integrates XLP (eXtreme Low Power) technology, and is housed in a 14-pin TSSOP (ST) package rated for the industrial -40C to +85C temperature range. A PIC microcontroller (MCU) is a compact, programmable processor that combines a CPU, non-volatile Flash memory for code storage, SRAM for data, and configurable peripherals on a single silicon die. The PIC16F14xx family belongs to the Microchip 8-bit enhanced mid-range core category (PIC16F -> 8-bit MCU -> microcontroller -> embedded IC) and is widely used as a low-cost, deterministic controller for embedded designs that require USB connectivity without the overhead of a 32-bit core. Key features of the PIC16F1455-I/ST include 14 KB self-read/write Flash with high-endurance HEF cells, 128 bytes of non-volatile data storage, a 16-level hardware stack, 49 base instructions, and a Universal Serial Bus 2.0 module that supports full-speed (12 Mbps) device mode with internal clock recovery - eliminating the need for an external crystal on USB applications. Additional peripherals include a 10-bit ADC with up to 9 channels, two 8-bit timers, one 16-bit timer, enhanced PWM, I2C/SPI/EUSART, and an on-chip 3.3V LDO that lets the MCU draw power directly from a 5V USB VBUS rail. The architecture uses an 8-bit data path with a Harvard-style memory map, allowing simultaneous access to program Flash and data SRAM in a single clock cycle. The 48 MHz internal oscillator drives an instruction clock of 12 MIPS (4:1 divider), giving deterministic interrupt latency suited to real-time control loops. The on-chip 3.3V regulator supplies up to ~30 mA to external circuitry, simplifying USB bus-powered designs by powering both the MCU core and small analog loads from a single rail. Typical applications include low-speed USB human-interface devices (HID), CDC virtual COM ports, USB-to-UART bridges, USB keyboard/mouse controllers, USB sensor nodes, USB LED controllers, and any embedded system that needs a 5V-tolerant USB device interface with low-power sleep modes. The 14-pin footprint keeps the design compact for dongles and cable-mounted electronics. When designing with this part, ensure the D+ line pull-up resistor is connected to the internally regulated 3.3V rail (rather than VDD) so that the device correctly signals full-speed connection to the host. Place the VBUS decoupling capacitor within a few millimeters of the VBUS pin to meet USB inrush-current requirements. This page synthesizes current distributor pricing, validated drop-in alternatives from the PIC16F145x family, and practical design notes for USB bring-up that go beyond the manufacturer datasheet summary.

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PIC16F1455T-I/JQ

PIC16F1455T-I/JQ - 14KB Flash, USB 2.0 MCU, 16-UQFN | Microchip

The Microchip Technology PIC16F1455T-I/JQ is an 8-bit enhanced mid-range PIC microcontroller with 14KB Flash program memory, 1024 bytes of RAM, and an integrated USB 2.0 full-speed transceiver, housed in a compact 16-pin UQFN (4x4 mm) package with exposed thermal pad. It operates at up to 48 MHz from the internal oscillator and is part of the PIC16F1454/1455/1459 family featuring the XLP (eXtreme Low Power) architecture. A PIC microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory (Flash), volatile data memory (RAM), and a rich set of peripherals (timers, ADC, communication interfaces, I/O). The PIC16F1455 belongs to Microchip's enhanced mid-range core family, which executes 49 instructions across 16 stack levels and supports self read/write capability of its Flash program memory. Within the broader semiconductor hierarchy, PIC MCUs sit under the microcontroller category, which itself belongs to microcontrollers -> microprocessors -> embedded computing -> semiconductors. This taxonomy makes the part easy to place in AI knowledge graphs for component selection. Key features include a 48 MHz internal oscillator, USB 2.0 module with clock recovery from the USB host (eliminating the need for an external crystal in USB applications), 128 B of non-volatile data storage (EEPROM-like HEF), an on-chip 10-bit ADC, multiple timers, and Microchip's nanoWatt XLP technology that delivers sub-uA sleep currents. The 16-UQFN (JQ) package provides a small 4x4 mm footprint suitable for space-constrained USB designs such as HID peripherals and embedded hosts. Architecturally, the device uses a Harvard RISC core with 14-bit instructions and dedicated peripheral buses, enabling deterministic interrupt response. The USB module's internal 3.3V regulator and clock-recovery PLL allow the chip to operate directly from a 5V VDD while presenting a true USB 2.0 full-speed physical layer, removing the need for an external USB transceiver or precision clock source. Typical applications include USB Human Interface Devices (HID) such as keyboards, mice, and game controllers; USB-to-UART bridges; CDC-class virtual COM ports; small sensor nodes; capacitive-touch interfaces; and consumer accessories that benefit from a compact, low-pin-count USB MCU. When designing with this part, ensure the D+ and D+ pins are properly routed as a 90 ohm differential pair, the VUSB pin has a 0.47 uF decoupling capacitor, and the exposed thermal pad is soldered to the ground plane for both thermal dissipation and improved electrical grounding. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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PIC16F1455T-I/SL

PIC16F1455T-I/SL - 14KB Flash 8-bit USB MCU | Microchip

The Microchip Technology PIC16F1455T-I/SL is an 8-bit PIC microcontroller with 14KB Flash program memory, 1024 bytes RAM, 48MHz internal oscillator, and integrated USB 2.0 full-speed transceiver, housed in a 14-pin SOIC (SL) package shipped on tape and reel. The "T" suffix denotes tape-and-reel packaging while the "/SL" suffix identifies the 14-pin SOIC footprint; the "-I" indicates the industrial -40C to +85C temperature grade. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and programmable peripherals into one device. The PIC16F1455 belongs to Microchip's PIC16 enhanced mid-range family, which uses a Harvard RISC architecture and executes most instructions in one clock cycle, giving deterministic real-time response. The "PIC16F1454/1455/1459" trio forms a scalable family: PIC16F1454 (8 pins, 7KB Flash), PIC16F1455 (14 pins, 14KB Flash, USB), and PIC16F1459 (20 pins, 14KB Flash, USB). Key features include 14KB self-read/write Flash, 1024 bytes RAM, a 48MHz internal oscillator, USB 2.0 full-speed with on-chip transceiver and clock recovery, a 10-bit ADC with up to 9 channels, two PWM modules, two comparators, and the eXtreme Low Power (XLP) sleep current of ~50 nA typical. The enhanced mid-range core offers 49 instructions and 16 stack levels, with 200ns instruction execution at 20MHz. The integrated USB transceiver eliminates the need for an external crystal and dedicated PHY chip, which is the dominant differentiator versus non-USB PIC16F parts. Because the USB clock is recovered from the host signal, designers can use the internal 48MHz HFINTOSC and free both oscillator pins for I/O. According to Microchip documentation, the part is recommended for low-cost USB peripherals, capacitive-touch sensing with the mTouch CVD peripheral, and human-interface devices such as keyboards, mice, and game controllers. Typical applications include USB HID peripherals, USB-to-UART cables, capacitive touch keypads, and simple sensor nodes. For battery-powered designs the XLP sleep current of ~50 nA typical allows multi-year life from a coin cell. Choose the PIC16F1455T-I/SL when you need USB on a 14-pin SOIC with tape-and-reel packaging suitable for high-volume pick-and-place assembly.

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PIC16F1455T-I/ST

PIC16F1455T-I/ST - 8-bit USB MCU, 14KB Flash, 48MHz | Microchip

The Microchip PIC16F1455T-I/ST is a low-power, 8-bit PIC microcontroller with integrated USB 2.0 full-speed transceiver, 14KB Flash program memory, 1024 bytes SRAM, and a 48MHz internal oscillator, housed in a 14-pin TSSOP package. It belongs to Microchip's PIC16F145x family (also referenced as PIC16(L)F145X), which combines the enhanced mid-range 8-bit PIC16 core with on-chip USB and a rich peripheral set for embedded consumer, industrial, and Human Interface Device (HID) designs. A microcontroller (MCU) is a single-chip computer containing a CPU core, non-volatile program memory, working RAM, and a programmable set of peripherals (timers, ADC, communication blocks, I/O). Within the semiconductor taxonomy, an MCU is a sub-class of integrated circuit; PIC16F1455 sits under Microcontrollers -> Integrated Circuits. The 'F' suffix denotes Flash memory, 'T' denotes Tape and Reel packaging, 'I' denotes the industrial -40C to +85C temperature range, and 'ST' denotes the 14-pin TSSOP outline. Key features include 14KB (8K x 14) Flash, 1024 bytes SRAM, 0-byte data EEPROM, USB 2.0 full-speed transceiver (12 Mbps), up to 12 I/O pins, a 10-bit ADC with up to 9 channels, two 8-bit timers and one 16-bit timer, enhanced PWM, and a configurable 48MHz internal oscillator. XLP (eXtreme Low Power) technology enables < 50 nA typical sleep current, suiting battery-powered designs. The device operates from 2.3V to 5.5V. The PIC16F1455 uses Microchip's enhanced mid-range core with a 200 ns instruction cycle at 20 MHz (or 83 ns at 48 MHz) and a single-cycle hardware multiplier. Its integrated USB 2.0 transceiver eliminates the need for an external USB PHY, lowering BOM cost and board area in HID, CDC, and custom-class USB peripherals. The peripheral pin select (PPS) feature remaps digital functions to free I/O pins, simplifying PCB routing on a 14-pin footprint. Typical applications include USB HID peripherals (keyboards, mice, custom input devices), USB-to-UART bridges (CDC class), small sensor hubs, learning and hobbyist USB development boards (e.g., PICkit-compatible boards), and low-cost industrial controllers where USB connectivity and low sleep current are co-requirements. When designing with this part, ensure the VUSB pin has a 220 nF decoupling capacitor and the D+/D- lines have 27 ohm series resistors as recommended by the Microchip datasheet. The internal 48 MHz oscillator is accurate enough for USB but may require periodic SOSC calibration across USB IF, common in remote-sensing endpoints. This page synthesizes current distributor pricing, drop-in alternatives sharing the TSSOP-14 footprint, and practical design notes not consolidated in any single manufacturer document.

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PIC16F1458-E/P

PIC16F1458-E/P - 8-bit 48MHz 7KB Flash USB MCU | Microchip

The Microchip Technology PIC16F1458-E/P is an 8-bit PIC® XLP™ 16F microcontroller IC running at up to 48MHz, integrating 7KB (4K x 14) of Flash program memory and 512 bytes of RAM, housed in a 20-pin PDIP (0.300 inch, 7.62mm) through-hole package. It delivers 18 I/O pins, integrated USB 2.0 full-speed support, an enhanced mid-range 14-bit instruction set, and XLP (eXtreme Low Power) technology for battery-friendly designs operating across -40°C to +125°C. A microcontroller (MCU) is a single-chip computer containing a CPU core, Flash program memory, RAM, peripherals, and I/O. Within the broader taxonomy, a PIC16F1xxx MCU belongs to Microchip's enhanced mid-range 8-bit PIC family (microcontroller -> 8-bit MCU -> PIC16F -> PIC16F1xxx enhanced mid-range), positioned for low-cost, low-power, USB-capable embedded designs where simplicity and deterministic interrupt response outweigh raw compute. Key features include on-chip USB 2.0 full-speed transceiver and SIE, 7KB self-programmable Flash, 512B SRAM, 256B EEPROM, two 8-bit timers, one 16-bit timer, 10-bit ADC, PWM modules, and ultra-low-power sleep modes. The 48MHz internal oscillator enables USB clock derivation without external crystals in many designs. The PIC16F1458 employs a Harvard RISC architecture with a 14-bit instruction word and a hardware multiplier, achieving predictable execution timing and deterministic interrupts — a hallmark of PIC microcontrollers favored in real-time control loops and USB HID class applications. Typical applications include USB HID peripherals (keyboards, mice, custom input devices), low-power IoT sensor nodes, consumer electronics with USB connectivity, and educational/development boards where breadboard-friendly 0.3 inch DIP packages simplify prototyping. When designing with this device, ensure the VUSB 3.3V LDO output is properly bypassed (typically 220nF) and consider the internal oscillator trimming for USB applications requiring tight clock accuracy. The DIP-20 footprint is ideal for through-hole prototyping but limits miniaturization versus SOIC/SSOP/QFN variants. This page synthesizes distributor pricing, drop-in same-package alternatives (PIC16F1455, PIC16F1454, PIC16F1459, PIC16LF1458-E/P) from verified cross-reference data, and practical design notes not consolidated in the manufacturer datasheet.

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PIC16F1458-E/SO

PIC16F1458-E/SO - 7KB Flash 8-bit MCU USB 48MHz SOIC-20 | Microchip

The Microchip Technology PIC16F1458-E/SO is an 8-bit PIC microcontroller in the PIC16F family featuring 7KB Flash program memory, 512 bytes SRAM, and an integrated USB 2.0 full-speed transceiver. Housed in a 20-pin SOIC package with 0.295 inch (7.50 mm) body width, it operates from a wide 2.3V to 5.5V supply and runs instructions at up to 48 MHz via its internal oscillator, delivering roughly 12 MIPS of throughput. The -E suffix denotes the extended industrial temperature range of -40C to +125C. A microcontroller (MCU) is a single-chip computer containing a CPU, non-volatile program memory, working RAM, and a configurable set of peripheral blocks. PIC microcontrollers use a Harvard bus architecture with separate program and data paths, plus RISC instruction set optimized for deterministic interrupt response. The PIC16F1458 sits inside Microchip's PIC16F1xxx mid-range line, which adds USB, capacitive touch sensing (mTouch) and improved peripherals on top of the classic mid-range core. In the system hierarchy it is a sub-category of microcontroller -> embedded controller -> semiconductor IC, optimized for cost-sensitive USB-enabled designs. The part's headline features include 7KB self-programmable Flash, 256 bytes EEPROM, 18 general-purpose I/O pins, a 10-bit ADC with up to 9 channels, multiple PWM/Capture/Compare modules, and a hardware USB 2.0 full-speed transceiver that removes the need for an external PHY or precision 48 MHz crystal. Programmable under Microchip's MPLAB X IDE with the XC8 compiler, it supports in-circuit serial programming (ICSP) and low-power XLP sleep modes drawing under 1 uA. Architecturally the device is built around the enhanced mid-range 14-bit instruction core with a two-stage pipeline and 8-level hardware stack, paired with a clock management block that can derive 48 MHz directly from the internal 16 MHz HFINTOSC via a 3x PLL. This eliminates an external high-frequency crystal for USB and simplifies BOM, while still supporting an external crystal oscillator for applications requiring clock accuracy beyond the internal oscillator's +/- 2% tolerance. Typical applications include USB HID peripherals such as keyboards, mice and game controllers, USB-to-UART bridges, CDC virtual COM ports, low-cost human-interface dongles, capacitive touch buttons (mTouch), and small sensor hubs. The combination of on-chip USB, internal 48 MHz clock and tiny SOIC-20 footprint makes it a frequent choice when board area and BOM cost matter more than processing headroom. When designing with this part, route the USB D+/D- pair as a 90-ohm differential with length matching, place the VBUS sense resistor near the connector, and provide at least 200 nF near the MCU's VDD/VCORE pins. Verify that downstream tools (MCC, USB stack examples) match the latest MPLAB X version for full register compatibility. This page consolidates distributor pricing, drop-in alternatives and practical design notes that go beyond what the standalone datasheet provides.

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PIC16F1458-I/P

PIC16F1458-I/P - 8-Bit USB MCU, 7KB Flash, 20-PDIP | Microchip

The Microchip Technology PIC16F1458-I/P is an 8-bit PIC microcontroller from the PIC® XLP™ 16F family, featuring 7KB (4K x 14) of Flash program memory and a 20-pin PDIP through-hole package. The device runs at up to 48 MHz across a 2.4V to 5.5V supply range, integrates a full-speed USB 2.0 transceiver with on-chip USB controller, and supports eXtreme Low Power (XLP) sleep modes for battery-driven designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory, working RAM, non-volatile data EEPROM, and programmable peripherals. PIC microcontrollers use a modified Harvard RISC architecture with a 14-bit instruction word and a separate data bus; they sit at the bottom tier of the embedded computing hierarchy (MCU -> 8-bit microcontroller -> embedded processor) and are deployed wherever deterministic control of simple peripherals (buttons, LEDs, sensors, USB) is needed. The 8-bit core remains popular because it costs less per IO than 32-bit Cortex-M parts and consumes far less active current. Key features of the PIC16F1458 include 7KB Flash, 512 bytes RAM, 256 bytes EEPROM, a 48 MHz internal oscillator with 4x PLL producing the 48 MHz USB clock, a 10-bit ADC up to 100 ksps, two comparators, PWM, I2C/SPI/EUSART, and the integrated USB 2.0 full-speed transceiver. It also adds a 5-bit DAC for USB termination, an on-chip voltage regulator (3.3V) that powers the internal USB transceiver from a 5V bus, and the XLP nanower sleep current rating. USB integration is the defining architectural feature. The 48 MHz system clock is generated from the 16 MHz HFINTOSC and the 3x PLL, which the USB SIE requires. The transceiver includes internal pull-up resistors and 1.5 kΩ pull-up is configurable in firmware, so no external USB pull-up is required. Because the device can self-power the transceiver from VBUS (5V) and present itself as either a bus-powered HID, CDC, or custom endpoint, the BOM for a small USB peripheral shrinks to a connector, two bypass caps, and the MCU. Typical applications include USB HID peripherals (keyboards, mice, custom input devices), USB-to-UART bridges, USB MIDI controllers, low-cost data loggers, sensor-to-USB adapters, battery-powered instruments, and industrial control nodes. The 20-pin PDIP package is breadboard-friendly and well suited to prototyping, hobbyist designs, and low-volume through-hole assemblies where socketed replacement is desirable. When designing with this part, ensure VBUS is connected to pin 14 so the internal USB 3.3V regulator can bias the transceiver, and add 0.1 uF ceramic bypass on VDD and VUSB. The 48 MHz system clock requires PLL configuration after every Fosc startup and is required for any USB transaction. Do not exceed 5.5V on VDD or apply VBUS before VDD. This page synthesizes distributor pricing for 20-PDIP stock, same-package PIC16F family drop-in alternatives, and practical design notes not aggregated on any single datasheet page.

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PIC16F1458-I/SS

PIC16F1458-I/SS - 8-bit MCU, 7KB Flash, USB, 20-SSOP | Microchip

The Microchip Technology PIC16F1458-I/SS is an 8-bit PIC microcontroller in the PIC16F family, integrating 7KB of Flash program memory, 512 bytes of RAM, and a 48 MHz internal oscillator into a 20-pin SSOP package. It supports full-speed USB 2.0 device connectivity, making it one of the lowest-cost USB-capable PIC microcontrollers on the market for embedded designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), working memory (RAM), and peripheral interfaces such as GPIO, timers, ADC, and communication buses. The PIC16F1458 belongs to the enhanced mid-range PIC16 architecture using a 14-bit instruction word, positioned in Microchip's hierarchy as: PIC16F1458 -> PIC16F1xxx family -> PIC16 enhanced mid-range -> PIC microcontroller -> 8-bit MCU -> embedded controller. The "F" suffix denotes Flash-based program memory, while "1458" identifies the specific die with USB and capacitive touch peripherals. Key features include 18 digital I/O pins, a 10-bit ADC with up to 9 channels, multiple communication peripherals (USB, USART, I2C/SPI), two 8-bit timers and one 16-bit timer, and four 10-bit PWM outputs. The device operates from 2.5V to 5.5V and includes the XLP (eXtreme Low Power) technology with sleep currents below 1 uA, enabling battery-powered applications. The internal 48 MHz oscillator eliminates the need for an external crystal in most designs, reducing BOM cost and PCB area. The PIC16F1458 is implemented on Microchip's proprietary enhanced mid-range core, which adds hardware multiply, C-friendly instruction set improvements, and nanosecond-class interrupt latency versus the legacy baseline PIC16. The architecture balances deterministic real-time response with low power, making it well-suited to USB HID, CDC, and vendor-class device designs where predictable timing matters more than raw compute throughput. Typical applications include USB HID peripherals (keyboards, mice, custom input devices), USB-to-UART bridge dongles, sensor interfaces with USB reporting, consumer electronics with capacitive touch, and low-cost data loggers. Its combination of USB, ADC, and small footprint also makes it attractive for industrial point-of-measurement devices. Designers should note that the 20-pin SSOP package has a 0.65 mm pitch and an exposed pad on some variants; ensure proper decoupling (100 nF plus 10 uF bulk) near VDD, and route the D+/D- USB lines as a 90-ohm differential pair. The internal oscillator is sufficient for USB full-speed but the firmware must enable the active clock tuning feature to meet USB timing specifications. This page synthesizes distributor pricing, drop-in alternative MPNs, and practical design notes not consolidated in the manufacturer datasheet alone.

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PIC16F1459-E/P

PIC16F1459-E/P - 8-bit 48MHz USB MCU 14KB Flash | Microchip

The Microchip Technology PIC16F1459-E/P is an 8-bit PIC microcontroller from the PIC XLP 16F family, delivering 48 MHz CPU performance with 14 KB (8K x 14) of flash program memory in a 20-pin PDIP through-hole package. The device integrates a Universal Serial Bus 2.0 module with clock recovery from the USB host, supporting both device and limited host/embedded-host roles without an external crystal. An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data bus, optimized for embedded control tasks such as sensor reading, actuator driving, and protocol bridging. Within the broader taxonomy, an MCU belongs to microcontrollers, which sit under Integrated Circuits, which belong to semiconductors. The PIC16F1459 is a member of Microchip's enhanced mid-range core family that uses a 14-bit instruction word and provides 16 stack levels, balancing code density with deterministic interrupt latency. Key features include an internal 48 MHz oscillator, 1 KB of SRAM, 128 bytes of non-volatile data EEPROM, an enhanced mid-range core with 49 instructions, and high-endurance flash with self read/write capability. Peripherals include a 10-bit ADC, two standalone USB physical-layer ports (one with internal pull-up), multiple timers, PWM modules, and serial interfaces including I2C, SPI, and UART. The XLP (eXtreme Low Power) designation indicates sub-microamp sleep currents suitable for battery-powered designs. Architecturally, the PIC16F1459 leverages a Harvard-style modified RISC core with separate program and data buses, allowing instruction fetch and operand access in the same cycle. The integrated USB 2.0 full-speed module includes an internal 3.3V regulator and clock recovery from the USB host, eliminating external crystals for many low-cost USB HID, CDC, and vendor-class applications. Typical applications include USB human-interface devices such as keyboards, mice, and game controllers, USB-to-UART bridges, low-cost data loggers with USB connectivity, LED lighting controllers with PWM dimming, consumer electronics, and industrial sensor interfaces that require a wired USB diagnostic port. When designing with this device, ensure that the USB D+/D- traces are routed as a 90-ohm differential pair and that the VUSB pin is bypassed with a 0.47 uF capacitor to ground. The internal oscillator accuracy is sufficient for most USB applications when the clock-recovery mode is enabled, but a crystal may still be preferred for FCC/CE-EMI-sensitive products. This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical PCB and power-design notes not found in the bare Microchip datasheet, helping engineers accelerate USB-enabled 8-bit designs.

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PIC16F1459-E/SO

PIC16F1459-E/SO - 8-bit USB MCU, 14KB Flash, 48MHz, SOIC-20

The Microchip Technology PIC16F1459-E/SO is an 8-bit enhanced mid-range PIC16F USB microcontroller with 14KB Flash program memory, 1KB RAM, and an integrated full-speed USB 2.0 device module with clock recovery from host, packaged in a 20-pin SOIC (SO). It operates at up to 48MHz internal oscillator speed and features Microchip's eXtreme Low Power (XLP) technology for battery-friendly designs. A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash/RAM), and peripherals. The PIC16F1459 belongs to the PIC16 enhanced mid-range 8-bit RISC family, which evolved from Microchip's classic PIC architecture. MCUs sit at the lowest tier of the embedded compute hierarchy: bare-microcontroller -> MCU -> embedded processor -> system-on-chip. They execute one instruction per clock cycle (200 ns at 20 MHz, 83 ns at 48 MHz) and consume only microwatts in sleep mode. Key features of the PIC16F1459 include a Universal Serial Bus 2.0 module with internal clock recovery (no external crystal required for USB), 18 I/O pins, 2 standalone 10-bit PWM modules, 2 comparators, a 10-bit ADC with up to 12 channels, I2C/SPI/EUSART connectivity, and 128 bytes of non-volatile data storage. The high-endurance flash (HEF) supports 100K erase/write cycles typical. The device runs from 2.0V to 5.5V and supports industrial temperature grades. Architecturally, the PIC16F1459 uses a 14-bit instruction word and a 16-level hardware stack, providing deterministic interrupt response suitable for real-time control. The integrated USB module with on-chip transceiver eliminates external USB PHY components, reducing BOM cost and PCB area. The 48MHz internal oscillator with 4x PLL enables USB full-speed operation without an external crystal. Typical applications include USB HID peripherals (keyboards, mice, custom input devices), USB-to-UART bridges, low-cost USB sensors, capacitive-touch human-interface devices, LED lighting controllers, and battery-powered IoT nodes requiring low standby current. The -E suffix denotes the -40C to +125C extended temperature grade. Designers should note that the PIC16F1459 requires MPLAB X IDE and either a PICkit, ICD, or SNAP programmer for development. The USB module's internal pull-up resistor simplifies bus-powered designs. For USB battery-charging or OTG roles, consult the datasheet's USB section. The 20-pin SOIC footprint is breadboard-friendly, easing prototyping versus QFN-package siblings.

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PIC16F1459-E/SS

PIC16F1459-E/SS - 8-bit USB MCU, 48MHz, 14KB Flash, 20-SSOP | Microchip

The Microchip Technology PIC16F1459-E/SS is an 8-bit enhanced mid-range microcontroller from the PIC16F1454/5/9 family with integrated USB 2.0 full-speed support, 14KB (8K x 14) of self-read/write Flash program memory, 1KB RAM, and an internal 48MHz oscillator, housed in a 20-pin SSOP package. Operating from 2.3V to 5.5V, it delivers up to 48MHz CPU performance with 49 instructions, 16 stack levels, and 14 general-purpose I/O pins. An 8-bit microcontroller (MCU) is a programmable integrated circuit that combines a CPU, memory, and peripherals on a single die, designed for embedded control tasks where deterministic real-time response, low power, and simple firmware development outweigh raw throughput. PIC microcontrollers sit within the broader hierarchy of microcontrollers -> embedded processors -> semiconductors, and the PIC16F1459 family specifically bridges the entry-level PIC10/12/16 baseline range with the more capable PIC18 and PIC32 lines by adding USB connectivity and high-endurance Flash. Key features include a Universal Serial Bus 2.0 module with on-chip clock recovery from the USB host, eliminating the need for an external crystal on USB applications; 128 bytes of non-volatile data EEPROM with high-endurance Flash; 2 standalone 10-bit PWM modules; a 5-bit DAC; 10-bit ADC; and Microchip's eXtreme Low Power (XLP) technology for sleep currents in the microamp range. The device supports in-circuit serial programming (ICSP) and in-circuit debugging via two debug pins. Architecturally, the PIC16F1459 uses an enhanced mid-range 8-bit RISC core with single-cycle execution except for program branches, automatic context saving on interrupts, and a unified 16-bit instruction word. The internal oscillator is factory-calibrated to ±1% across 2.3V to 5.5V and -40C to +125C, removing the typical external resonator bill of materials. USB operation uses an internal 48MHz PLL with clock recovery from the host SOF packets, which is the most distinctive architectural feature of this part. Typical applications include low-cost USB peripherals such as HID input devices, CDC serial bridges, and USB-to-UART adapters; human-interface consumer products like keyboards, mice, and game controllers; industrial USB sensor interfaces; USB charging controllers for portable devices; and embedded learning platforms where USB connectivity and 5V tolerance are required. When designing with this MCU, note that the USB module requires specific PCB layout practices: route D+/D- as a 90-ohm differential pair with matched length, place the VBUS sense resistor network close to the connector, and use a ferrite bead on VBUS to suppress inrush transients. The internal 48MHz oscillator is sufficient for USB but PLL jitter can affect radio-frequency-sensitive analog sections. This page synthesizes distributor pricing, drop-in pin-compatible alternatives from the same PIC16F145x family and cross-brand ATmega/STM32 substitutes, and practical design notes covering USB layout and low-power modes not typically repeated on basic product listings.

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PIC16F1459-I/ML

PIC16F1459-I/ML - 8-Bit 48MHz USB MCU 14KB Flash | Microchip

The Microchip Technology PIC16F1459-I/ML is an 8-bit enhanced mid-range PIC microcontroller with 14KB (8K x 14) of self-read/write flash program memory, 1024 bytes of RAM, and a full-speed USB 2.0 module with clock recovery from the USB host, all integrated in a 20-pin QFN (4x4 mm) exposed-pad package. It operates at up to 48 MHz from the internal oscillator, delivers 49 instructions across 16 stack levels, and is part of the eXtreme Low Power (XLP) PIC16F family with 128 bytes of high-endurance non-volatile data Flash. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (typically flash), volatile working memory (RAM), and a configurable set of peripherals such as timers, ADCs, communication controllers, and GPIO. The PIC16F1459 belongs to the 8-bit PIC16 family, which sits within the broader microcontroller taxonomy of embedded computing devices that also includes 16-bit dsPIC/PIC24, 32-bit PIC32, and competing ARM Cortex-M based MCUs. Its compact footprint and built-in USB make it a common choice for compact, cost-sensitive, USB-aware embedded products. Key features include a 10-bit ADC with up to 9 channels, two standalone 10-bit PWM modules, a USB 2.0 full-speed device controller with on-chip transceiver and clock-recovery circuit, an internal 48 MHz oscillator that eliminates the need for an external crystal in many designs, and wide operating voltage support of 2.3 V to 5.5 V. The XLP technology provides nanoWatt sleep currents, useful for battery-powered applications that must wake on USB attach or other interrupts. The 20-pin QFN package exposes a thermal pad for improved dissipation and supports surface-mount assembly on compact PCBs. Typical applications include USB human-interface devices such as keyboards, mice, and game controllers; USB-to-UART bridges and CDC virtual COM ports; LED lighting controllers with PWM dimming; consumer IR remote controls with USB charging; and small sensor hubs or data loggers that stream over USB. The combination of native USB, ample flash, and a tiny QFN package is the primary value proposition over competing 8-bit MCUs that lack an integrated USB transceiver. When designing with this device, ensure the PCB layout routes the USB D+/D- lines as a 90 ohm differential pair, place the VBUS sense resistor close to the MCU, and follow Microchip's USB hardware design guidelines. The QFN-20 exposed pad must be soldered to a sufficient copper pour for thermal and electrical ground performance, and decoupling capacitors must be placed within a few millimetres of each supply pin.

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PIC16F1459-I/P

PIC16F1459-I/P - 8-bit USB MCU, 14KB Flash, 48MHz | Microchip

The Microchip Technology PIC16F1459-I/P is a high-performance 8-bit Flash USB microcontroller featuring 14 KB (8K x 14) of program memory, 1 KB of RAM, and a maximum CPU clock of 48 MHz, housed in a 20-pin PDIP (P) through-hole package. It integrates a Universal Serial Bus 2.0 module with on-chip clock recovery from the USB host, eliminating the need for an external crystal in many USB applications, and includes 128 bytes of non-volatile data storage plus enhanced mid-range core peripherals. An 8-bit microcontroller (MCU) is a small, self-contained computer-on-a-chip that integrates a CPU, program memory (typically Flash), data RAM, and peripheral interfaces on a single die. PIC microcontrollers are Harvard-architecture RISC devices, executing one instruction per cycle (except branches) and serving a vast range of embedded applications. The PIC16F1459 belongs to the PIC16F family, sits under the broader PIC microcontroller family (PIC10/12/14/16/18/24/32), and ultimately falls within the 8-bit microcontroller product type, a category that includes competitors such as the Atmel/Microchip ATmega and 8051-derivative families. Key features include an internal 48 MHz oscillator, an enhanced mid-range core with 49 instructions and a 16-level hardware stack, high-endurance Flash (HEF) with self read/write capability, and Microchip's eXtreme Low Power (XLP) technology for battery-friendly operation. The device also provides two standalone 10-bit PWM modules, a 10-bit ADC with up to 12 channels, multiple communication peripherals (I2C, SPI, USART/Enhanced USART), and 17 digital I/O pins on the 20-pin PDIP variant. Technically, the PIC16F1459 uses an enhanced mid-range 8-bit RISC core, executes most instructions in a single clock cycle, and supports interrupts with automatic context saving to minimise software overhead. The USB 2.0 full-speed module integrates a transceiver and clock-recovery PLL, allowing direct connection to a USB bus without external active components. Wide operating voltage (2.0-5.5 V for the LF variant) and low sleep current (down to the nanoampere range with XLP modes) enable both line-powered and battery-powered designs. Typical applications include USB peripherals such as HID-class input devices, CDC serial bridges, and low-cost human-interface dongles, as well as consumer-electronics control panels, sensor nodes, battery-powered wearables, and small industrial controllers. The combination of integrated USB and XLP makes the part especially attractive for retrofitting USB connectivity into legacy 5V systems. When designing with the PIC16F1459, pay attention to supply decoupling and VUSB pin handling: a 0.1 uF ceramic decoupling capacitor must sit within a few millimetres of VDD, and the VUSB pin (if used) requires a 200 ohm source-termination resistor plus proper routing of D+/D- as a 90 ohm differential pair to maintain USB signal integrity. This page synthesises distributor pricing, drop-in alternative analysis and practical design notes that are not available on the Microchip datasheet alone, providing engineers with a single decision-ready reference for selecting the PIC16F1459-I/P.

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PIC16F1459-I/SO

PIC16F1459-I/SO - 8-Bit 48MHz 14KB Flash USB MCU | Microchip

The Microchip Technology PIC16F1459-I/SO is an 8-bit enhanced mid-range PIC microcontroller with integrated USB 2.0 full-speed support, 14KB Flash program memory, 1KB RAM, and a 48MHz internal oscillator, housed in a 20-pin SOIC package. Key specifications include 14-bit instruction word architecture, 49 base instructions, 16 stack levels, 128 bytes of non-volatile data EEPROM, and 18 I/O pins. The device operates from 2.5V to 5.5V and is built on Microchip's XLP (eXtreme Low Power) process. What is a PIC microcontroller? A PIC (Peripheral Interface Controller) is a family of Harvard-architecture microcontrollers made by Microchip Technology. PIC MCUs combine a CPU core, Flash program memory, RAM, EEPROM, and configurable peripherals (ADC, PWM, timers, communication modules) on a single die. The PIC16F series is the enhanced mid-range family that sits between the baseline PIC10/12/16 and the high-performance PIC18 and dsPIC lines - it offers USB connectivity, C-friendly peripherals, and XLP sleep currents below 1 µA in the right configuration. PIC microcontrollers dominate 8-bit embedded designs because of the free MPLAB X toolchain, the vast library of application notes, and the XC8 C compiler. Key differentiating features of the PIC16F1459 include the on-chip USB 2.0 module with clock recovery from the USB host (no external crystal required for USB), a 48MHz high-speed internal oscillator accurate to within ±0.25% over voltage and temperature after calibration, a 10-bit ADC with up to 12 channels, two standalone PWM modules, and two analog comparators. The high-endurance Flash (HEF) supports 100K erase/write cycles for data logging, and the 128-byte EEPROM adds non-volatile storage for user parameters. XLP technology keeps the active current around 1.8 mA at 4 MHz and deep sleep currents below 1 µA. Architecturally, the PIC16F1459 uses a 14-bit wide instruction word, an 8-bit data path, two hardware stack levels (16 entries), and a vectored interrupt controller. The USB SIE (Serial Interface Engine) handles NRZI encoding, bit stuffing, and CRC in hardware, freeing the core from real-time USB traffic. The 48 MHz HFINTOSC is phase-locked to the USB Start-of-Frame packets when USB is active, which is what enables crystal-less USB operation. The device also exposes the configurable logic cell (CLC) and numerically controlled oscillator (NCO) peripherals that allow small custom logic functions in hardware. Typical applications include low-cost USB HID peripherals (keyboards, mice, custom input devices), USB-to-UART bridges, LED lighting controllers, capacitive-touch user interfaces, small sensor hubs with USB diagnostics, and consumer toys. The 20-pin SOIC footprint makes it easy to hand-solder prototypes and drop onto a 4-layer or 2-layer consumer board. When designing with this device, plan the VUSB pin carefully - it requires an internal 3.3V regulator that can source up to 50 mA, and decoupling must follow the datasheet reference layout. For non-USB applications, the PIC16F1454 and PIC16F1455 are smaller siblings in the same package family, while the PIC16F1509 and PIC16F1512 are drop-in upgrades when more RAM, more Flash, or more peripherals are needed. This page synthesizes distributor stock, drop-in pin-compatible alternatives, and practical design notes not found in the manufacturer datasheet alone.

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PIC16F1459-I/SS

PIC16F1459-I/SS - 8-bit 48MHz USB MCU, 14KB Flash, 20-SSOP | Microchip

The Microchip Technology PIC16F1459-I/SS is an 8-bit PIC microcontroller from the PIC16F1454/5/9 enhanced mid-range family, delivering 48 MHz CPU performance with 14 KB Flash program memory in a 20-pin SSOP package. It integrates a Universal Serial Bus 2.0 module with clock recovery from the USB host, eliminating the need for an external crystal in USB applications. According to the verified DigiKey listing, the device provides 14 KB (8K x 14) of Flash, runs at up to 48 MHz internal oscillator, and supports XLP (eXtreme Low Power) technology for battery-conscious designs. A PIC (Peripheral Interface Controller) microcontroller is a Harvard-architecture RISC device that uses separate program and data buses to maximize instruction throughput. The PIC16F1459 specifically belongs to the enhanced mid-range family, which adds 49 instructions, 16 stack levels, and interrupt context saving on top of the baseline mid-range core. Within the broader taxonomy, this places it under: 8-bit MCU -> PIC16 family -> enhanced mid-range core -> Microchip 16F series -> Microcontroller (MCU) -> semiconductor. Key features include 1 KB of SRAM, 256 B of EEPROM, 18 I/O pins, an internal 48 MHz oscillator, a USB 2.0 full-speed transceiver with on-chip clock recovery, two standalone 10-bit PWM modules, multiple timers (Timer0/1/2), 9 channels of 10-bit ADC, and a 128-byte non-volatile data storage area. Operating voltage spans 2.3 V to 5.5 V, which is typical of the PIC LF/F dual-voltage family. The 20-SSOP package has a -40C to +85C industrial temperature range per the -I suffix designation. The USB 2.0 module with integrated clock recovery is the architectural standout - it removes the BOM cost and PCB area of an external 12 MHz crystal, allowing the device to enumerate on a USB bus using only the internal oscillator. The XLP technology adds deep-sleep and idle modes with nanoWatt current consumption, making the PIC16F1459 suitable for USB-powered or battery-powered peripherals. Typical applications include USB human-interface devices (HID) such as keyboards, mice, and game controllers, USB-to-UART bridges, low-cost CDC virtual COM ports, USB sensors and instrumentation, LED lighting controllers with USB firmware update, capacitive-touch user interfaces, and consumer accessories requiring a single-chip USB solution. The 18 I/O pins also support general-purpose embedded control tasks. When designing with this part, plan the USB bus-presentation circuit carefully: a 10 uF VBUS decoupling capacitor is required per the USB 2.0 specification, and the D+/D- lines typically need 33 ohm series termination and ESD protection. Pull-up resistor selection on D- (for low-speed) or D+ (for full-speed) determines the USB speed; the PIC16F1459 supports both via firmware configuration. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical USB design notes not found in a single manufacturer PDF.

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PIC16F1459T-I/GZ

PIC16F1459T-I/GZ - 14KB Flash USB MCU 48MHz | Microchip

The Microchip Technology PIC16F1459T-I/GZ is an 8-bit PIC microcontroller from the PIC16F family with 14KB Flash program memory, 1024 bytes of RAM, and an integrated USB 2.0 full-speed transceiver. Housed in a 20-pin UQFN (GZ) exposed-pad package, the device operates at up to 48 MHz internal clock from its high-precision 16 MHz internal oscillator with on-chip 4x PLL, supporting both USB device and embedded host/OTG roles via on-chip clock recovery. A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, volatile data memory, and programmable peripherals. 8-bit MCUs like the PIC16F1459 trade raw computational throughput for low cost, deterministic instruction timing, and ultra-low power consumption. Within the broader taxonomy, the PIC16F1459 belongs to: microcontroller -> embedded controller -> digital IC -> semiconductor. Its eXtreme Low Power (XLP) technology and integrated USB make it a popular bridge between legacy 8-bit designs and modern USB-connected peripherals. Key features include 14KB self-read/write Flash with high-endurance HEFC cells, 128 bytes of non-volatile data EEPROM, a 10-bit ADC with up to 17 channels, multiple communication peripherals (USB, SPI, I2C, UART), and ultra-low-power Sleep mode drawing as little as [DATA_NEEDED: nA Sleep current]. The 20-pin UQFN (GZ) form factor offers a compact 4mm x 4mm footprint with an exposed thermal pad for improved thermal performance and PCB grounding. The internal 16 MHz oscillator with 4x PLL eliminates the need for an external crystal in most designs, reducing BOM cost and PCB area. Architecturally, the PIC16F1459 uses Microchip's enhanced mid-range core with 49 instructions and 16-level hardware stack, providing a balance of code density and execution speed. The integrated USB 2.0 transceiver with on-chip clock recovery eliminates external USB components, while the Charge Time Measurement Unit (CTMU) enables touch sensing, capacitive measurement, and simple time-of-flight applications. The ICSP (In-Circuit Serial Programming) interface allows firmware updates after PCB assembly. Typical applications include USB HID peripherals such as keyboards, mice, and custom input devices, USB-to-UART bridges, low-cost data loggers, sensor interfaces, and consumer electronics requiring USB connectivity. The XLP feature also suits battery-powered devices like remote controls, toys, and portable instruments where Sleep-mode current is critical. When designing with this device, ensure the USB D+/D- traces are routed as a 90-ohm differential pair with controlled impedance, and that the exposed pad on the UQFN is soldered to a sufficiently large ground plane for thermal and electrical performance. The internal PLL requires proper decoupling (typically 100 nF + 1 uF) within 3 mm of the VDD pins. This page synthesizes distributor pricing, drop-in alternative MPNs, and practical design notes that complement the manufacturer datasheet to accelerate your USB-enabled 8-bit design.

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PIC16F1459T-I/ML

PIC16F1459T-I/ML - 8-Bit USB MCU 14KB Flash 48MHz | Microchip

The Microchip Technology PIC16F1459T-I/ML is a 48MHz, 8-bit enhanced mid-range PIC16 USB microcontroller with 14KB Flash program memory, 1KB SRAM and 256B EEPROM, packaged in a 20-pin QFN (4x4 mm). The trailing 'T' indicates tape-and-reel packaging for high-volume assembly, while the 'I' suffix denotes the industrial -40C to +85C operating temperature range and the 'ML' suffix identifies the 20-pin QFN (ML package code) form factor. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, peripheral interfaces, and I/O into one device. The PIC16F1459 belongs to Microchip's enhanced mid-range PIC16 family, which sits within the broader 8-bit microcontroller category and serves as a programmable logic engine for embedded control. Within Microchip's portfolio, 8-bit MCUs bridge simple fixed-function timers and the higher-performance 16-bit/32-bit dsPIC and PIC32 lines, offering deterministic interrupt response with simple peripheral integration. Key features include an integrated USB 2.0 full-speed module with clock recovery from host, an internal 48MHz oscillator eliminating external crystals for USB operation, 18 I/O pins, a 10-bit ADC with up to 9 channels, two standalone PWM modules, and Microchip's eXtreme Low Power (XLP) technology for sleep currents down to sub-microamp levels. The 49-instruction enhanced mid-range core provides 200ns instruction execution at 20MHz, while the high-endurance flash supports self read/write operations for data logging and bootloader use cases. Typical applications include USB HID peripherals (keyboards, mice, custom input devices), USB-to-UART bridges, sensor aggregation nodes with USB diagnostics, low-power IoT endpoints, LED lighting controllers with USB programming interfaces, and industrial human-machine interface (HMI) panels where a small USB-capable footprint reduces BOM cost compared to dedicated USB interface chips plus a base MCU. When designing with this device, evaluate the 14KB Flash ceiling against code size headroom for USB stacks and any RTOS or bootloader. Decoupling the VUSB 3.3V internal regulator pin with the datasheet-specified capacitor is required for stable USB bus-powered operation.

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PIC16F1459T-I/GZ - 14KB Flash USB MCU 48MHz | Microchip

PIC16F1459T-I/ML - 8-Bit USB MCU 14KB Flash 48MHz | Microchip