PIC16LF1508T-I/SS - 8-bit 20MHz 7KB Flash MCU 20-SSOP | Microchip
N.º de pieza: PIC16LF1508T-I/SS ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $1.5 | $1,50 |
| 10 | $1.41 | $14,10 |
| 100 | $1.32 | $132,00 |
| 500 | $1.2 | $600,00 |
| 1.000 | $1.1 | $1.100,00 |
PIC16LF1508T-I/SS Descripción general
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, and configurable peripherals. The PIC16F1508 specifically uses an enhanced mid-range 8-bit core with 49 instructions and 16 stack levels, occupying the position of low-pin-count 8-bit MCUs in the broader taxonomy: 8-bit microcontroller -> microcontroller -> embedded controller -> semiconductor. It is one of the smallest, lowest-power members of Microchip's PIC16F1xxx family.
Key features of this part include 18 digital I/O pins, a 10-bit ADC with multiple channels, four Configurable Logic Cells (CLC), a Complementary Waveform Generator (CWG), a Numerically Controlled Oscillator (NCO), and nanoWatt XLP extreme-low-power technology. The peripheral set enables designers to implement custom logic, waveform generation, and frequency synthesis in hardware without external components.
The 7 KB Flash provides ample headroom for state-machine, sensor-interface, and small protocol-stack applications, while 256 bytes of SRAM handles small data buffers and the stack. ICSP (In-Circuit Serial Programming) via two pins plus a dedicated reset line allows in-field firmware updates and debug support through PICkit 3 or MPLAB ICD 3.
Typical applications include consumer white goods, low-cost LED lighting control, battery-powered sensor nodes, small appliances, and home-automation modules. The nanoWatt XLP feature is particularly useful in battery applications that require sleep currents in the nanoamp range.
When designing with this part, allocate adequate ground and supply decoupling near each supply pin and follow Microchip's SSOP thermal layout guidance. The MPLAB X IDE with XC8 compiler and the PICkit 3 / MPLAB ICD 3 / MPLAB Snap programmer are the standard development toolchain.
This page synthesizes distributor pricing, same-package drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet, enabling engineers to make quicker replacement and BOM decisions.
Alternativas directas para PIC16LF1508T-I/SS — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con PIC16LF1508T-I/SS (mismo factor de forma y huella) — difiere en Package, ADC, Operating Temperature, Instruction Set, Core Architecture.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
PIC16LF1508-I/SS
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PIC16LF1508-E/SS
✅ Sustitución directa✓ En stock
$2.05 / unidad
Ver hoja de datos →PIC16LF1508T-I/GZ
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$1.31 / unidad
Ver hoja de datos →PIC16F1508-I/SS
✅ Sustitución directa✓ En stock
$1.02 / unidad
Ver hoja de datos →PIC16LF1507-I/SS
✅ Sustitución directa✓ En stock
$0.75 / unidad
Ver hoja de datos →PIC16LF1508T-E/SS
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PIC16LF1508T-I/SS Valores máximos y características eléctricas
| Core | PIC16 enhanced mid-range 8-bit |
| Instruction Set | 49 instructions, 16 stack levels |
| Program Memory (Flash) | 7 KB (4K x 14 words) |
| Data RAM | 256 bytes |
| Maximum CPU Frequency | 20 MHz |
| Operating Voltage Range | 1.8 V to 3.6 V (LF); 2.5 V to 3.6 V at 20 MHz |
| I/O Pins | 18 |
| ADC | 10-bit |
| Configurable Logic Cells (CLC) | 4 |
| Complementary Waveform Generator (CWG) | Yes |
| Numerically Controlled Oscillator (NCO) | Yes |
| Low-Power Technology | nanoWatt XLP |
| Temperatura de funcionamiento | -40 C to +85 C (industrial, "I" grade) |
| Encapsulado | 20-pin SSOP (0.209 inch / 5.30 mm body width) |
| Tipo de montaje | Surface Mount |
| Packaging | Tape and Reel ("T" suffix) |
| Programming/Debug | ICSP via PICkit 3, MPLAB ICD 3, MPLAB Snap |
| Estado RoHS | Compliant |
Configuración de pines de PIC16LF1508T-I/SS
| Pin 1 | RA5 — Digital I/O / analog input |
| Pin 2 | RA4 — Digital I/O / analog input |
| Pin 3 | RA3/MCLR — Digital I/O or Master Clear (reset) input |
| Pin 4 | RA2 — Digital I/O / analog input |
| Pin 5 | RA1 — Digital I/O / analog input |
| Pin 6 | RA0 — Digital I/O / analog input |
| Pin 7 | VSS — Ground reference |
| Pin 8 | VDD — Positive supply voltage (1.8 V to 3.6 V) |
| Pin 9 | RB7 — Digital I/O |
| Pin 10 | RB6 — Digital I/O / ICSP clock |
| Pin 11 | RB5 — Digital I/O / analog input |
| Pin 12 | RB4 — Digital I/O / analog input |
| Pin 13 | RB3 — Digital I/O / analog input |
| Pin 14 | RB2 — Digital I/O / analog input |
| Pin 15 | RB1 — Digital I/O / analog input / ICSPCLK |
| Pin 16 | RB0 — Digital I/O / analog input / ICSPDAT |
| Pin 17 | RC7 — Digital I/O |
| Pin 18 | RC6 — Digital I/O |
| Pin 19 | RC5 — Digital I/O |
| Pin 20 | RC4 — Digital I/O |
Aplicaciones típicas
PIC16LF1508T-I/SS es adecuado para 7 aplicacións: Battery-Powered IoT Sensor Node, LED Lighting Control, Small Appliance Control Board, Consumer White Goods Interface, Low-Cost Frequency Synthesizer / Tone Generator, Remote Control / IR-Emitter Node, Smart Home Sensor Hub.
Battery-Powered IoT Sensor Node
The PIC16LF1508T-I/SS fits battery-powered IoT sensor nodes by combining 7 KB Flash for sensor-firmware state machines with nanoWatt XLP deep-sleep currents in the nanoampere range, extending coin-cell battery life to multiple years. The 1.8 V minimum supply lets the MCU run directly from two AA cells without a boost regulator. The 10-bit ADC handles temperature, humidity, and battery-voltage measurements, while the CLC and NCO peripherals implement wake-up timing and pulse counting in hardware without external components.
Recomendado
LED Lighting Control
The PIC16LF1508T-I/SS suits LED lighting controllers because its Complementary Waveform Generator (CWG) generates complementary PWM outputs with programmable dead-band control for half-bridge LED drivers, eliminating external gate-driver timing circuits. Four Configurable Logic Cells (CLC) implement custom dimming profiles and over-current protection logic on-chip. With 20 MHz CPU speed, the part handles DMX-style or DALI protocol frames in software while the CLC handles real-time LED-current regulation in hardware.
Recomendado
Small Appliance Control Board
In small appliances such as coffee makers, blenders, or fans, the PIC16LF1508T-I/SS provides 18 I/O to drive keypads, seven-segment displays, triac-fired heater elements, and buzzer feedback from a single chip. The enhanced mid-range core at 20 MHz (5 MIPS) runs brushed-motor control loops and user-interface state machines with ample headroom. Its industrial -40 to +85 C temperature rating handles under-cabinet and kitchen-environment thermal stress without derating.
Recomendado
Consumer White Goods Interface
The PIC16LF1508T-I/SS handles user-interface tasks in washing machines, dishwashers, and refrigerators where a low-cost 8-bit MCU drives rotary encoders, capacitive touch buttons, and segmented LCDs. Seven KB Flash accommodates localized UI strings and diagnostic routines, while the EUSART and MSSP peripherals talk to the main appliance controller over UART or I2C. The PIC XLP low-power modes keep standby power below 0.5 W for energy-star compliance.
Recomendado
Low-Cost Frequency Synthesizer / Tone Generator
The PIC16LF1508T-I/SS's on-chip Numerically Controlled Oscillator (NCO) provides 20-bit frequency resolution with hardware accumulator stepping, producing accurate square-wave, triangular, or pulse outputs without CPU intervention. This makes the part useful as a low-cost replacement for external DAC-based synthesizers in test-tone generators, piezo-buzzer drivers, and reference-clock sources. Combined with the CWG module, dead-band-controlled complementary outputs are available for driving piezo transformers.
Recomendado
Remote Control / IR-Emitter Node
For IR remote controls and wireless sensor emitters, the PIC16LF1508T-I/SS combines nanoWatt XLP sleep modes for multi-year battery life with on-chip CLC for generating precisely-timed 38 kHz carrier waveforms. Seven KB Flash stores multiple protocol libraries (RC5, NEC, proprietary), and the MSSP peripheral supports SPI RF-transceiver links. The PIC16LF1508T-I/SS footprint in SSOP-20 keeps the BOM compact for handheld enclosures.
Recomendado
Smart Home Sensor Hub
The PIC16LF1508T-I/SS serves as a leaf-node controller in smart-home sensor hubs, aggregating inputs from one or two analog sensors via its 10-bit ADC and forwarding readings over UART or SPI to a parent MCU. With 256 bytes of RAM and 7 KB Flash, the part runs smoothing filters and event-detection state machines locally before forwarding. The industrial -40 to +85 C rating supports outdoor-mounted sensor enclosures in cold-climate and attic deployments.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para PIC16LF1508T-I/SS — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | PIC16LF1508-I/SS | PIC16LF1508-E/SS | PIC16F1508-I/SS | PIC16LF1507-I/SS |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 20-SSOP | 20-SSOP - same | 20-SSOP - same | 20-SSOP - same | 20-SSOP - same |
| Core | PIC16 8-bit enhanced mid-range | PIC16 8-bit enhanced mid-range | PIC16 8-bit enhanced mid-range | PIC16 8-bit enhanced mid-range | PIC16 8-bit enhanced mid-range |
| Flash Memory | 7 KB | 7 KB | 7 KB | 7 KB | 3.5 KB |
| RAM | 256 B | 256 B | 256 B | 256 B | 128 B |
| Operating Voltage | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 2.3 V to 5.5 V | 1.8 V to 3.6 V |
| Temperature Grade | Industrial -40C to +85C | Industrial -40C to +85C | Extended -40C to +125C | Industrial -40C to +85C | Industrial -40C to +85C |
| Max CPU Frequency | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| ADC | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit |
| CLC / CWG / NCO | 4 / 1 / 1 | 4 / 1 / 1 | 4 / 1 / 1 | 4 / 1 / 1 | reduced set |
Diferenciadores clave
- Industrial temperature grade with tape-and-reel packaging (frente a PIC16LF1508-I/SS)
- Extended temperature option available in same package (frente a PIC16LF1508-E/SS)
- Lower-voltage operation than PIC16F1508 (frente a PIC16F1508-I/SS)
Notas de diseño
Place a 100 nF ceramic decoupling capacitor as close as possible to the VDD pin (pin 8) and a bulk 1 uF to 10 uF tantalum or ceramic capacitor on the same supply trace. The PIC16LF1508T-I/SS draws sharp transient currents when peripherals and the CPU clock up, so star-ground topology is recommended. For nanoWatt XLP sleep modes, ensure no high-impedance digital inputs are left floating - tie unused I/O to VDD or VSS to avoid parasitic current paths during sleep.
At 20 MHz with all peripherals active, the SSOP-20 package typically dissipates under 50 mW, well within the 200 mW absolute maximum. However, in tightly enclosed industrial enclosures above 60 C ambient, derate CPU frequency or add a small copper pour on the SSOP exposed leads to spread heat. The industrial -40 to +85 C temperature grade is sufficient for most consumer and indoor-industrial use; select the -E variant for under-hood or attic installations above 85 C.
Route the ICSP clock and data lines (RB6/RB7 or RB1/RB0) away from high-frequency switching signals to avoid programming glitches during in-field firmware updates. Place the MCLR pull-up resistor (typically 10 kOhm to VDD) close to pin 3. If using an external crystal, keep traces short and symmetric, and place load capacitors within 5 mm of the OSC pins. For noisy environments, add a 100 nF decoupling cap directly on the VCAP pin if present.
Do not assume all PIC16F1508 variants run down to 1.8 V - only the LF suffix parts (PIC16LF1508) support 1.8 V operation. The 5 V PIC16F1508 will brown-out at 1.8 V. Also, when migrating from PIC16LF1507 firmware, verify that the additional CLC, CWG, and NCO peripherals are not inadvertently enabled by configuration mismatches, which can cause unexpected current draw in sleep mode. Always check the CONFIG1 and CONFIG2 register defaults against the datasheet's recommended settings for low-power applications.
The PIC16LF1508T-I/SS I/O pins have limited drive strength (typically 25 mA source/sink). For driving LEDs directly, use a current-limiting resistor and stay within the per-pin and per-port aggregate limits specified in the datasheet's electrical characteristics. For I2C buses above 400 kHz, use external pull-up resistors in the 1 kOhm to 4.7 kOhm range rather than relying on the weak internal pull-ups. Schmitt-trigger inputs on RB ports tolerate slow edges; RA ports do not, so add series resistors if RA lines carry long cable signals.
Información de cumplimiento
RoHS and REACH compliance per Microchip product page; lead-free reflow compatible. Industrial -I temperature grade only - for automotive AEC-Q100 qualification, no -Q1 variant is offered for this part number family.
