PIC16LF1455T-I/SL - 14KB Flash 8-bit MCU | Microchip XLP
Артикул: PIC16LF1455T-I/SL ✓ Активен| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $1.39 | $1,39 |
| 10 | $1.25 | $12,50 |
| 100 | $1.12 | $112,00 |
| 500 | $1.02 | $510,00 |
| 1.000 | $0.93 | $930,00 |
| 2.600 | $0.54 | $1.404,00 |
PIC16LF1455T-I/SL Обзор
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.
Аналоги без доработки для PIC16LF1455T-I/SL — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с PIC16LF1455T-I/SL (тот же форм-фактор и посадочное место) — отличается по Package, Operating Temperature, USB Module, I/O Pins, Program Memory (Flash).
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
PIC16LF1455-I/SL
✅ Прямая замена✓ В наличии
$1.62 / шт.
Открыть даташит →PIC16F1455T-I/SL
✅ Прямая замена✓ В наличии
$1.24 / шт.
Открыть даташит →PIC16LF1455T-E/SL
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
PIC16LF1455-I/P
✅ Прямая замена✓ В наличии
$1.22 / шт.
Открыть даташит →PIC16LF1455-E/SL
✅ Прямая замена✓ В наличии
$1.4 / шт.
Открыть даташит →PIC16LF1455T-I/SL Максимальные параметры и электрические характеристики
| Family | PIC® XLP™ 16F |
| Core | 8-bit PIC RISC (enhanced mid-range) |
| CPU Speed | 48 MHz max (12 MIPS) |
| Program Memory (Flash) | 14 KB (8K × 14 words) |
| Data SRAM | 1024 bytes |
| I/O Pins | 12 |
| ADC | 5 channels × 10-bit |
| DAC | 1 × 5-bit |
| PWM Channels | 2 |
| Comparators | 2 |
| Timers | Multiple (Timer0/1/2 family) |
| Watchdog Timer | Yes |
| USB | USB 2.0 Full-Speed device with on-chip 3.3 V regulator |
| Напряжение питания | 1.8 V to 3.6 V |
| Рабочая температура | -40 °C to +85 °C (Industrial, "I") |
| Корпус | 14-SOIC (0.154", 3.90 mm width) |
| Тип монтажа | Surface Mount |
| RoHS | Compliant |
Конфигурация выводов PIC16LF1455T-I/SL
| Контакт 1 | VDD — Positive supply voltage (1.8 V – 3.6 V) |
| Контакт 2 | RA5 — Bidirectional I/O / digital input |
| Контакт 3 | RA4 — Bidirectional I/O / analog input AN3 |
| Контакт 4 | RA3/MCLR/VPP — Master Clear reset (active-low) / ICSP programming voltage |
| Контакт 5 | RC5 — I/O / USB D- (USB data minus) |
| Контакт 6 | RC4 — I/O / USB D+ (USB data plus) |
| Контакт 7 | RC3 — Bidirectional I/O / analog input AN7 |
| Контакт 8 | RC6 — Bidirectional I/O / analog input AN8 |
| Контакт 9 | RC7 — Bidirectional I/O / analog input AN9 |
| Контакт 10 | RB7 — Bidirectional I/O / analog input AN10 |
| Контакт 11 | RB6 — Bidirectional I/O / analog input AN11 |
| Контакт 12 | RC0 — Bidirectional I/O / analog input AN4 |
| Контакт 13 | RC1 — Bidirectional I/O / analog input AN5 / DAC output |
| Контакт 14 | VSS — Ground reference (0 V) |
Типичное применение
PIC16LF1455T-I/SL подходит для 6 применениеs: USB HID Peripherals (Keyboard, Mouse, Custom Input), Battery-Powered IoT Sensor Nodes, Industrial Control Modules (Low-Voltage 24 V Bus Derivatives), USB-to-UART / USB-to-SPI Bridge Devices, Consumer Electronics with USB Charging / Data Port, Educational and Maker Platforms.
USB HID Peripherals (Keyboard, Mouse, Custom Input)
The PIC16LF1455T-I/SL is purpose-built for USB Human Interface Device peripherals. Its integrated USB 2.0 full-speed transceiver plus on-chip 3.3 V LDO regulator derived from VBUS eliminates external USB components, reducing BOM cost and PCB area. The 14 KB Flash comfortably fits HID class descriptors plus application logic; the 1 KB SRAM supports HID report buffers. Place a 100 nF decoupling capacitor on VDD near pin 1 and a 10 µF bulk capacitor on VBUS per datasheet guidelines. This MCU is widely used in custom keyboards, mice, game controllers, and programmable HID interfaces.
Рекомендуется
Battery-Powered IoT Sensor Nodes
The LF silicon's 1.8 V–3.6 V wide supply range plus nanoWatt XLP sleep currents (sub-µA achievable in deep sleep) make the PIC16LF1455T-I/SL ideal for coin-cell or 2×AAA battery IoT sensor endpoints. The 5-channel 10-bit ADC handles temperature, humidity, and battery monitoring; the 5-bit DAC can drive analog front-ends. Wake from sleep on ADC threshold or pin change enables decade-long battery life. The integrated USB also allows in-field firmware upgrades via standard USB hosts - a major operational benefit for deployed IoT fleets.
Рекомендуется
Industrial Control Modules (Low-Voltage 24 V Bus Derivatives)
In industrial 24 V bus systems stepped down to 3.3 V via isolated DC-DC converters, the PIC16LF1455T-I/SL serves as the local intelligence for sensors, actuators, and HMI panels. The 2 PWM channels drive LED indicators or small DC motor controllers; the 2 comparators handle analog threshold detection without CPU load. The 12 I/O pins suffice for keypad input plus relay output. The integrated USB enables programming and commissioning directly from any laptop, eliminating dedicated programming tool requirements on the production line.
Рекомендуется
USB-to-UART / USB-to-SPI Bridge Devices
Commonly deployed as a CDC-class USB-to-UART or USB-to-SPI bridge, the PIC16LF1455T-I/SL leverages Microchip's free USB stack and HID/CDC class drivers. This eliminates dedicated bridge ICs (such as FTDI or CP210x) in cost-sensitive designs, replacing them with a $0.54–1.39 MCU plus a few passive components. The 14 KB Flash hosts the CDC stack plus customer-specific protocol translation; the on-chip USB regulator removes the need for external 3.3 V LDO on the VBUS rail.
Рекомендуется
Consumer Electronics with USB Charging / Data Port
Toys, wearables, small appliances, and accessories increasingly integrate USB for both charging and data. The PIC16LF1455T-I/SL handles button input, LED feedback, motor control (via PWM), and USB communication in a single chip. Its 1.8 V minimum supply supports direct Li-ion battery operation without boost converters. The 14-SOIC package fits into form factors as small as 20 × 20 mm, while the integrated USB enables firmware upgrades from any phone charger plus USB host.
Рекомендуется
Educational and Maker Platforms
The PIC16LF1455T-I/SL is widely adopted in university courses and maker projects due to its low cost (under $1.50 unit), integrated USB, and Microchip's free MPLAB X IDE plus XC8 compiler. The PICkit snap programmer or Curiosity development board provides out-of-the-box programming. Students learn USB enumeration, ADC sampling, and PWM control on a single, well-documented 8-bit MCU. The 14-SOIC package is hand-solderable, supporting through-hole teaching labs where SMD QFN parts are impractical.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для PIC16LF1455T-I/SL — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | PIC16LF1455-I/SL | PIC16F1455T-I/SL | PIC16LF1455T-E/SL | PIC16LF1455-I/P | PIC16LF1455-E/SL |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 14-SOIC (SL) | 14-SOIC (SL) - same | 14-SOIC (SL) - same | 14-SOIC (SL) - same | 14-SOIC (SL) - same | 14-SOIC (SL) - same |
| Program Memory (Flash) | 14 KB | 14 KB | 14 KB | 14 KB | 14 KB | 14 KB |
| Data SRAM | 1024 bytes | 1024 bytes | 1024 bytes | 1024 bytes | 1024 bytes | 1024 bytes |
| Supply Voltage | 1.8 V – 3.6 V | 1.8 V – 3.6 V | 2.3 V – 5.5 V (F silicon, higher Vmin) | 1.8 V – 3.6 V (E temp grade) | 1.8 V – 3.6 V | 1.8 V – 3.6 V |
| Operating Temperature | -40 °C to +85 °C (I) | -40 °C to +85 °C (I) | -40 °C to +85 °C (I) | -40 °C to +125 °C (E) | -40 °C to +85 °C (I) | -40 °C to +125 °C (E) |
| Integrated USB | USB 2.0 FS + on-chip 3.3 V LDO | USB 2.0 FS + on-chip 3.3 V LDO | USB 2.0 FS + on-chip 3.3 V LDO | USB 2.0 FS + on-chip 3.3 V LDO | USB 2.0 FS + on-chip 3.3 V LDO | USB 2.0 FS + on-chip 3.3 V LDO |
| ADC / DAC | 5 ch × 10-bit ADC / 1 × 5-bit DAC | 5 ch × 10-bit ADC / 1 × 5-bit DAC | 5 ch × 10-bit ADC / 1 × 5-bit DAC | 5 ch × 10-bit ADC / 1 × 5-bit DAC | 5 ch × 10-bit ADC / 1 × 5-bit DAC | 5 ch × 10-bit ADC / 1 × 5-bit DAC |
| Unit Price (1 pc, as of 2026-09-23) | $1.39 | ≈$1.38 (tube, similar) | ≈$1.42 | ≈$1.45 | ≈$1.45 | ≈$1.48 |
Ключевые отличия
- Same tape-and-reel packaging format with identical silicon (против PIC16LF1455-I/SL)
- Wider voltage range 2.3 V – 5.5 V vs 1.8 V – 3.6 V (против PIC16F1455T-I/SL)
- Extended -40 °C to +125 °C industrial temperature grade (против PIC16LF1455T-E/SL)
- Integrated USB 2.0 full-speed with on-chip 3.3 V regulator (против PIC16LF1454T-I/ML (QFN))
Заметки по проектированию
VBUS power decoupling is critical for reliable USB enumeration. Place a 10 µF bulk capacitor directly on the VBUS pin (RC5/RC4 are D-/D+ but VBUS is typically tied through the connector shield). Add a 100 nF X7R bypass capacitor within 2 mm of the VDD pin (pin 1). According to Microchip's USB hardware design guidelines, total VBUS capacitance must not exceed 20 µF or the host may flag an over-current condition. For bus-powered designs, the on-chip 3.3 V regulator (enabled via CONFIG register) provides internal logic power; disable it for self-powered designs that use an external regulator.
Layout the 14-SOIC with the standard SOIC-14 land pattern (1.27 mm pitch). Keep the VDD/VSS traces short and place the decoupling capacitor within 1–2 mm of pins 1 and 14. The USB D+/D- traces (RC4/RC5) must be routed as a 90-ohm differential pair with matched length and continuous ground reference; avoid vias in the differential pair. According to USB 2.0 specification, the maximum intra-pair skew is 50 ps. Place the ferrite bead or common-mode choke close to the connector for EMI suppression. The ICSP pins (RA3/MCLR, RA0, RA1) should be brought out to a 5-pin header for in-circuit programming.
Estimated VDD rise-time concern: the PIC16LF1455's MCLR/VPP pin (pin 4) is sensitive to slow VDD rise times below 50 ms. Add a 10 kΩ pull-up on MCLR to VDD and ensure the VDD rise time is faster than 50 ms. Do not exceed 3.6 V on VDD - the LF silicon is not 5 V tolerant; exceeding 3.6 V will damage the part. For 5 V systems, use the PIC16F1455 instead. Always configure the USB regulator (CONFIG2.REGULEN bit) correctly: enable for bus-powered designs, disable for self-powered with external 3.3 V supply. Leaving it in the wrong state causes enumeration failures.
Estimate: this 14-SOIC package has approximately 30 mm² of board area, plus a typical 4-layer USB reference design occupies 35 × 25 mm. For best thermal performance, connect the SOIC thermal pad (no exposed pad on 14-SOIC, but ground flood both sides) to the ground plane. The PIC16LF1455T-I/SL draws approximately 5–8 mA active at 48 MHz with USB enabled and ADC sampling - the small SOIC package dissipates this comfortably without thermal vias or copper pours, but keep the ground plane intact under the device for stable ADC readings.
Информация о соответствии
RoHS and REACH compliant per Microchip product environmental compliance information. Not AEC-Q100 qualified - for automotive applications requiring AEC-Q100, consult Microchip automotive-grade PIC16F1455 Q1 variants. Lead-free and halogen-free packaging per Microchip material declarations.
