PIC16LF1455T-I/SL - 14KB Flash 8-bit MCU | Microchip XLP
N.º da peça: PIC16LF1455T-I/SL ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 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 Visão geral
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.
Alternativas drop-in para PIC16LF1455T-I/SL — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com PIC16LF1455T-I/SL (mesmo formato e footprint) — diferindo em Package, Operating Temperature, USB Module, I/O Pins, Program Memory (Flash).
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
PIC16LF1455-I/SL
✅ Drop-In✓ Em estoque
$1.62 / unidade
Ver ficha técnica →PIC16F1455T-I/SL
✅ Drop-In✓ Em estoque
$1.24 / unidade
Ver ficha técnica →PIC16LF1455T-E/SL
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC16LF1455-I/P
✅ Drop-In✓ Em estoque
$1.22 / unidade
Ver ficha técnica →PIC16LF1455-E/SL
✅ Drop-In✓ Em estoque
$1.4 / unidade
Ver ficha técnica →PIC16LF1455T-I/SL Classificações máximas e características elétricas
| 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 |
| Tensão de alimentação | 1.8 V to 3.6 V |
| Temperatura de operação | -40 °C to +85 °C (Industrial, "I") |
| Encapsulamento | 14-SOIC (0.154", 3.90 mm width) |
| Tipo de montagem | Surface Mount |
| RoHS | Compliant |
Configuração de pinos do PIC16LF1455T-I/SL
| Pino 1 | VDD — Positive supply voltage (1.8 V – 3.6 V) |
| Pino 2 | RA5 — Bidirectional I/O / digital input |
| Pino 3 | RA4 — Bidirectional I/O / analog input AN3 |
| Pino 4 | RA3/MCLR/VPP — Master Clear reset (active-low) / ICSP programming voltage |
| Pino 5 | RC5 — I/O / USB D- (USB data minus) |
| Pino 6 | RC4 — I/O / USB D+ (USB data plus) |
| Pino 7 | RC3 — Bidirectional I/O / analog input AN7 |
| Pino 8 | RC6 — Bidirectional I/O / analog input AN8 |
| Pino 9 | RC7 — Bidirectional I/O / analog input AN9 |
| Pino 10 | RB7 — Bidirectional I/O / analog input AN10 |
| Pino 11 | RB6 — Bidirectional I/O / analog input AN11 |
| Pino 12 | RC0 — Bidirectional I/O / analog input AN4 |
| Pino 13 | RC1 — Bidirectional I/O / analog input AN5 / DAC output |
| Pino 14 | VSS — Ground reference (0 V) |
Aplicações típicas
PIC16LF1455T-I/SL é adequado para 6 aplicaçãos: 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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para PIC16LF1455T-I/SL — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | 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 |
Principais diferenciais
- Same tape-and-reel packaging format with identical silicon (vs PIC16LF1455-I/SL)
- Wider voltage range 2.3 V – 5.5 V vs 1.8 V – 3.6 V (vs PIC16F1455T-I/SL)
- Extended -40 °C to +125 °C industrial temperature grade (vs PIC16LF1455T-E/SL)
- Integrated USB 2.0 full-speed with on-chip 3.3 V regulator (vs PIC16LF1454T-I/ML (QFN))
Notas de projeto
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.
Informações de conformidade
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.
