PIC16F1508T-I/SO - 8-Bit MCU, 7KB Flash, 20MHz, 20-SOIC | Microchip
Teilenummer: PIC16F1508T-I/SO ✓ Aktiv| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $1.65 | $1,65 |
| 10 | $1.49 | $14,90 |
| 100 | $1.32 | $132,00 |
| 500 | $1.18 | $590,00 |
| 1.000 | $1.05 | $1.050,00 |
PIC16F1508T-I/SO Übersicht
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (typically Flash), working RAM, peripheral interfaces (timers, ADC, communication ports), and general-purpose I/O on one die. The PIC16F1508 belongs to the product hierarchy: microcontroller -> 8-bit MCU -> PIC16 family -> enhanced mid-range core -> Microchip mid-range portfolio, and is targeted at cost-sensitive embedded control that needs more analog and timer hardware than legacy PIC16F parts.
Key features include a 10-bit ADC with up to 12 channels, a 5-bit DAC, Configurable Logic Cells (CLC), Complementary Waveform Generator (CWG), Numerically Controlled Oscillator (NCO), multiple 8/16-bit timers with PWM, an Enhanced Universal Synchronous/Asynchronous Receiver/Transmitter (EUSART), and I2C/SPI peripherals. The nanoWatt XLP technology delivers deep-sleep currents in the microamp range, making the device suitable for always-on battery applications.
Architecturally, the PIC16F1508 uses Microchip's enhanced mid-range 14-bit instruction set with a single-cycle hardware multiplier and a vectored interrupt controller, providing deterministic real-time response. The internal 16 MHz high-accuracy oscillator (HFINTOSC, ±1% typical after calibration) supports operation without an external crystal in space-constrained designs.
Typical applications include consumer appliances, LED lighting controllers, sensor nodes, low-power IoT endpoints, battery chargers, and small motor-control subsystems. Industrial use cases span HVAC actuator interfaces, simple PLC I/O expansion, and human-machine interface (HMI) button/keypad scanning.
When designing with this MCU, reserve one I/O line for the In-Circuit Serial Programming (ICSP) interface and another for MCLR reset if in-circuit debugging is required; if not, internal weak pull-up on MCLR allows a smaller BOM. Always derate the maximum FOSC against VDD per the datasheet electrical characteristics to avoid oscillator instability at low voltage.
This page combines current distributor pricing, drop-in same-footprint alternatives, and practical design considerations to support engineering evaluation and procurement decisions.
Drop-in-Alternativen für PIC16F1508T-I/SO – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Varianten dieser Serie
Modelle derselben Serie, die drop-in-kompatibel sind mit PIC16F1508T-I/SO (gleiche Bauform und Footprint) – abweichend in Package, Program Memory (Flash), ADC, Operating Temperature, Timers.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
PIC16F1508-I/SO
✅ Drop-In✓ Auf Lager
$0.92 / Stück
Datenblatt ansehen →PIC16F1509-I/SO
✅ Drop-In✓ Auf Lager
$1.34 / Stück
Datenblatt ansehen →PIC16F1507-I/SO
✅ Drop-In✓ Auf Lager
$0.92 / Stück
Datenblatt ansehen →PIC16F1508T-I/SS
✅ Drop-In✓ Auf Lager
$0.58 / Stück
Datenblatt ansehen →PIC16F1508T-I/SO Grenzwerte & elektrische Eigenschaften
| Core | PIC16 enhanced mid-range 8-bit |
| Program Memory (Flash) | 7 KB (4K x 14 words) |
| SRAM | 256 B |
| Maximum CPU Speed | 20 MHz (200 ns instruction cycle) |
| Supply Voltage (VDD) | 2.3 V to 5.5 V |
| Digital I/O Pins | 18 |
| ADC | 10-bit, up to 12 channels |
| DAC | 5-bit, 1 channel |
| Timers | Multiple 8/16-bit with PWM |
| Communication | EUSART, I2C, SPI |
| Special Peripherals | CLC, CWG, NCO |
| Low-Power Feature | nanoWatt XLP |
| Betriebstemperatur | -40 °C to +85 °C (Industrial, "I") |
| Gehäuse | 20-pin SOIC (SO), wide-body, tape and reel |
| Montageart | Surface Mount |
| RoHS-Status | Compliant |
PIC16F1508T-I/SO Pin-Konfiguration
| Pin 1 | RA3/AN3/C1IN+/VREF+ — Bidirectional I/O / analog input / comparator input / ADC reference |
| Pin 2 | RA4/AN4/T0CKI — Bidirectional I/O / analog input / Timer0 clock input |
| Pin 3 | RA5/MCLR/VPP — Bidirectional I/O / Master Clear (reset) / ICSP programming voltage |
| Pin 4 | RA6/OSC2/CLKOUT — Bidirectional I/O / oscillator output / clock out |
| Pin 5 | RA7/OSC1/CLKIN — Bidirectional I/O / oscillator input / external clock in |
| Pin 6 | VSS — Ground reference |
| Pin 7 | VDD — Positive supply voltage |
| Pin 8 | RB4/AN10/SDI/SDA — Bidirectional I/O / analog input / SPI data in / I2C data |
| Pin 9 | RB5/AN11/RX/DT — Bidirectional I/O / analog input / EUSART RX |
| Pin 10 | RB6/ICSPCLK/SCK/SCL — Bidirectional I/O / ICSP clock / SPI clock / I2C clock |
| Pin 11 | RB7/ICSPDAT/TX/CK — Bidirectional I/O / ICSP data / EUSART TX |
| Pin 12 | RA0/AN0/DACOUT — Bidirectional I/O / analog input / DAC output |
| Pin 13 | RA1/AN1 — Bidirectional I/O / analog input |
| Pin 14 | RA2/AN2 — Bidirectional I/O / analog input |
| Pin 15 | RC0/AN8 — Bidirectional I/O / analog input |
| Pin 16 | RC1/AN9 — Bidirectional I/O / analog input |
| Pin 17 | RC2/AN6 — Bidirectional I/O / analog input |
| Pin 18 | RC3/AN7 — Bidirectional I/O / analog input |
| Pin 19 | RC4/AN5 — Bidirectional I/O / analog input |
| Pin 20 | RC5 — Bidirectional I/O |
Typische Anwendungen
PIC16F1508T-I/SO ist geeignet für 6 Anwendungs: Consumer Appliance Control, LED Lighting Controllers, Battery-Powered IoT Sensor Nodes, Industrial HVAC Actuator Interfaces, HMI Button and Keypad Scanning, Small Motor Control Subsystems.
Consumer Appliance Control
The PIC16F1508T-I/SO fits consumer appliance control boards (rice cookers, coffee machines, washing machine user interfaces) because its 20 MHz core, 18 I/O, and 7 KB Flash easily handle button-scanning state machines and PWM-driven indicator or buzzer control. The 2.3–5.5 V supply tolerates direct 3.3 V or 5 V rails without a regulator, and nanoWatt XLP deep-sleep currents below 1 µA keep standby power within Energy Star limits on always-on appliances.
Empfohlen
LED Lighting Controllers
For LED drivers and addressable RGB strips, the PIC16F1508T-I/SO provides dedicated CWG and NCO peripherals for clean PWM generation at fixed frequencies without CPU overhead, plus a 10-bit ADC for ambient-light feedback loops. Running at 20 MHz from a 5 V rail, the MCU generates multiple PWM channels simultaneously with precise duty resolution, while deep-sleep mode keeps idle power negligible when lighting is off.
Empfohlen
Battery-Powered IoT Sensor Nodes
The PIC16F1508T-I/SO targets coin-cell or 2xAA battery sensor nodes thanks to nanoWatt XLP sleep currents under 1 µA and a 2.3 V minimum VDD that lets it run directly from a single Li-MnO2 cell without boost. Its 12-channel 10-bit ADC handles multiple analog sensors, EUSART supports module-based wireless daughter boards, and 7 KB Flash accommodates sensor-fusion or LoRaWAN/Sigfox application code with periodic wake/sleep duty cycling.
Empfohlen
Industrial HVAC Actuator Interfaces
In HVAC damper and valve actuators, the PIC16F1508T-I/SO's 18 I/O drives multiple opto-isolated relay or TRIAC outputs while the 10-bit ADC reads thermistor/pressure inputs, all within the industrial -40 °C to +85 °C temperature window. The EUSART and I2C peripherals expose a service-port interface for field technicians, and the 7 KB Flash stores calibration curves and PID control loops without external memory.
Empfohlen
HMI Button and Keypad Scanning
The PIC16F1508T-I/SO is well suited to matrix keypad or capacitive-touch scanning because its CLC peripheral combines logic gates in hardware, freeing the CPU from polling duty. With 18 I/O available, it scans 4x4 or 5x5 key matrices directly, while interrupt-on-change wakes the MCU from sleep on keypress, minimizing power and reducing BOM cost versus dedicated touch controllers.
Empfohlen
Small Motor Control Subsystems
The PIC16F1508T-I/SO controls small DC, stepper, or BLDC motors in low-power subsystems using its 16-bit PWM and CWG peripherals for complementary gate-drive signals. The 20 MHz core handles trapezoidal or simple FOC commutation loops, and the 5-bit DAC provides an offset reference for current-sense amplifiers. Designers value the 2.3–5.5 V range, which supports direct operation from 1S Li-ion or 3.3 V rails.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für PIC16F1508T-I/SO – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | PIC16F1508-I/SO | PIC16F1509-I/SO | PIC16F1507-I/SO | PIC16F1508T-I/SS |
|---|---|---|---|---|---|
| Package | 20-SOIC (SO) | 20-SOIC (SO) | 20-SOIC (SO) | 20-SOIC (SO) | 20-SSOP (SS) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 7 KB | 7 KB | 14 KB | 3.5 KB | 7 KB |
| SRAM | 256 B | 256 B | 512 B | 128 B | 256 B |
| I/O Pins | 18 | 18 | 18 | 18 | 18 |
| Maximum CPU Speed | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Supply Voltage | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V |
| Operating Temperature | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C |
| Packaging Suffix | Tape & Reel | Tray | Tray | Tray | Tape & Reel |
| Unit Price (qty 1, USD) | 1.65 | 1.60 | 1.78 | 1.42 | 1.70 |
Wichtigste Unterscheidungsmerkmale
- Configurable Logic Cells (CLC) and Complementary Waveform Generator (CWG) (vs. PIC16F1507-I/SO)
- Higher Flash and RAM headroom in same footprint (vs. PIC16F1507-I/SO)
- Cost-effective general-purpose 8-bit MCU at low price point (vs. PIC16F1509-I/SO)
Designhinweise
Place a 100 nF decoupling capacitor within 5 mm of the VDD pin (pin 7) on the 20-SOIC package, plus a bulk 1–10 µF tantalum or ceramic capacitor on the supply rail. If using the ADC, add a small ferrite bead or resistor in series with the analog VDD to isolate digital switching noise from analog references; this typically improves ADC SNR by 2–3 dB.
The MCLR pin (RA5, pin 3) is the ICSP programming voltage input. If you tie MCLR directly to VDD without a series resistor or filter, ESD events or programmer misoperation can latch-up the part; the datasheet recommends a 10–47 kΩ pull-up to VDD with an optional 100 nF cap for in-circuit programming. Always reserve the ICSPDAT and ICSPCLK pins (RB7/RB6) - they must not be hardwired to ground or VDD during programming.
When targeting nanoWatt XLP deep-sleep currents under 1 µA, ensure all unused I/O are configured as outputs (driven low to avoid floating-input leakage) and disable unused peripherals via their PMD (peripheral module disable) registers. Wake-on-interrupt from sleep requires the ADC and comparators to be turned off before SLP instruction; otherwise sleep current can rise to tens of µA.
Keep the 20-SOIC footprint's pin 1 dot/marker orientation consistent with your schematic symbol; the part is symmetrical-looking at a glance but pin 1 carries VPP/MCLR with special handling. Route the high-current motor or LED PWM outputs on RC2/RC3/RC4/RC5 away from the analog ADC inputs (AN0–AN11) to minimize capacitive coupling into the ADC sample-and-hold.
Compliance-Informationen
RoHS and lead-free per Microchip product page; not AEC-Q100 qualified (industrial grade only). Halogen-free status not explicitly confirmed in the provided data.