PIC16F18455-I/SP - 8-bit MCU 14KB Flash 32MHz 28-SPDIP | Microchip
MPN: PIC16F18455-I/SP ✓ فعالPIC16F18455-I/SP جائزہ
An 8-bit microcontroller is a single-chip computer built around an 8-bit data path, integrating a CPU, Flash program memory, SRAM, and a rich set of peripherals such as ADCs, timers, communication interfaces, and Core Independent Peripherals (CIPs). The PIC16F18455 sits within the larger taxonomy of microcontrollers -> 8-bit MCUs -> PIC16 family -> PIC16F184xx sub-family -> 16KB-Flash low-pin-count devices. It is widely used where deterministic real-time control, low active and sleep power, and compact analog integration matter more than raw MIPS.
Key features include 14KB (8K x 14 words) self-programmable Flash, 1KB RAM, 256-byte EEPROM, a 12-bit ADC with Computation (ADCC), 10-bit DAC, two PWMs, a Complementary Waveform Generator (CWG), EUSART, SPI, I2C, and a configurable Logic Cell. The 12-bit ADCC supports automated averaging, threshold comparison, and hardware accumulator, offloading signal conditioning from the CPU.
Architecturally, the PIC16F18455 uses an enhanced mid-range 8-bit core with a 14-bit instruction word and a hardware multiplier, enabling C-compiled firmware at 32MHz while retaining PIC predictability. XLP technology drives active currents to the sub-100 µA/MIPS range and sleep currents below ~50 nA typical, supporting battery-sourced and energy-harvesting products.
Typical applications include low-power IoT sensor nodes, consumer white goods, HVAC controls, battery-powered instrumentation, LED lighting controllers, and industrial sensor signal conditioning. Designers benefit from the combination of 12-bit analog accuracy and tiny quiescent draw in a single through-hole device.
When designing, select the -I variant (industrial, -40C to +85C) for non-automotive deployments and the -E variant for extended temperature grades. Decoupling 100nF ceramic capacitors at every VDD/VSS pair and a 10µF bulk cap near the MCU are recommended for ADCC noise performance.
This page synthesizes real distributor pricing as of 2026-09-20, drop-in same-package alternatives, and practical design guidance beyond what appears in the manufacturer datasheet.
کے لیے ڈراپ اِن متبادل PIC16F18455-I/SP — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔
اس سیریز میں مختلف ورژن
اسی سیریز کے ماڈلز جو ڈراپ اِن مطابقت رکھتے ہیں PIC16F18455-I/SP (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, ADC, I/O Pins, Core Architecture, Mounting Type.
PIC16F18455-E/SP
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC16F18446-I/P
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC16F18446-I/GZ
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F18445-I/P
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC16F18426-I/P
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F18346-I/P
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F18455-I/SP زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core Architecture | 8-bit PIC enhanced mid-range (14-bit instruction word) |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| Data SRAM | 1 KB |
| EEPROM | 256 bytes |
| Max CPU Frequency | 32 MHz |
| Supply Voltage (VDD) | 2.5 V to 5.5 V |
| Operating Temperature (I grade) | -40 C to +85 C |
| I/O Pins | 25 (max) |
| ADC | 12-bit ADCC with Computation, up to 24 channels |
| DAC | 10-bit, 1 channel |
| Timers | 5x 8/16-bit timers |
| PWM | 2x 10-bit PWM |
| Communication | EUSART, SPI, I2C |
| پیکیج | 28-pin SPDIP (0.300", 7.62 mm) |
| ماؤنٹنگ ٹائپ | Through-Hole |
| MSL لیول | 1 (not moisture sensitive) |
| RoHS اسٹیٹس | Compliant |
| Lead-Free / Halogen-Free | Yes / Yes |
| eXtreme Low-Power (XLP) | Yes, sub-100 uA/MIPS active, ~50 nA sleep typical |
PIC16F18455-I/SP پن کنفیگریشن
| پن 1 | MCLR/VPP — Master Clear (reset, active low) / ICSP programming voltage |
| پن 2 | RA0 — Digital I/O / analog input AN0 |
| پن 3 | RA1 — Digital I/O / analog input AN1 |
| پن 4 | RA2 — Digital I/O / analog input AN2 |
| پن 5 | RA3 — Digital I/O / analog input AN3 / VREF+ |
| پن 6 | RA4 — Digital I/O / analog input AN4 |
| پن 7 | RA5 — Digital I/O / analog input AN5 |
| پن 8 | VSS — Ground |
| پن 9 | RA7 — Digital I/O / oscillator input |
| پن 10 | RA6 — Digital I/O / oscillator output |
| پن 11 | RC0 — Digital I/O |
| پن 12 | RC1 — Digital I/O |
| پن 13 | RC2 — Digital I/O |
| پن 14 | RC3 — Digital I/O / SPI/I2C clock |
| پن 15 | RC4 — Digital I/O / SPI/I2C data |
| پن 16 | RC5 — Digital I/O |
| پن 17 | RC6 — Digital I/O / EUSART TX |
| پن 18 | RC7 — Digital I/O / EUSART RX |
| پن 19 | VSS — Ground |
| پن 20 | VDD — Positive supply voltage |
| پن 21 | RB0 — Digital I/O / interrupt-on-change |
| پن 22 | RB1 — Digital I/O / interrupt-on-change |
| پن 23 | RB2 — Digital I/O / interrupt-on-change |
| پن 24 | RB3 — Digital I/O / interrupt-on-change |
| پن 25 | RB4 — Digital I/O / interrupt-on-change |
| پن 26 | RB5 — Digital I/O / interrupt-on-change |
| پن 27 | RB6 — Digital I/O / ICSPCLK (programming) |
| پن 28 | RB7 — Digital I/O / ICSPDAT (programming) |
عام استعمالات
PIC16F18455-I/SP کے لیے موزوں ہے 6 ایپلیکیشنs: Battery-Powered IoT Sensor Node, Industrial HVAC Sensor Conditioning, Consumer White Goods Control Board, LED Lighting Driver and Color Controller, Portable Medical Monitoring Device, Automotive Aftermarket Accessory Controller.
Battery-Powered IoT Sensor Node
The PIC16F18455-I/SP's eXtreme Low-Power (XLP) technology delivers ~50 nA typical sleep current and sub-100 µA/MIPS active draw, making it ideal for coin-cell or 2x AA battery-powered IoT sensor nodes. Its 12-bit ADCC with hardware averaging directly digitizes thermistor, humidity, or gas-sensor outputs without an external ADC, and the 14KB Flash comfortably hosts a LoRaWAN/Sigfox stack or BLE firmware bridge with room for application logic. Designers route the MCU between sleep and active states via the 32kHz internal Low-Power Timer, extending battery life to multi-year timescales.
تجویز کردہ
Industrial HVAC Sensor Conditioning
In industrial HVAC controls the PIC16F18455-I/SP reads 4-20 mA loop transmitters and 0-10 V pressure/temperature sensors via its 12-bit ADCC, then drives 0-10 V actuator outputs via its 10-bit DAC and two 10-bit PWMs. The -I temperature grade (-40C to +85C) covers rooftop and boiler-room environments, while 1KB RAM buffers control-loop data without CPU stall. The 28-SPDIP package remains rework-friendly for field service and supports through-hole screw-terminal PCBs common in building automation.
تجویز کردہ
Consumer White Goods Control Board
The PIC16F18455-I/SP suits washing-machine, dishwasher, and refrigerator control boards thanks to its 32MHz enhanced mid-range core (16 MIPS), 14KB Flash for state-machine firmware, and integrated Complementary Waveform Generator (CWG) for motor pre-drive. The 12-bit ADCC samples water-level, temperature, and turbidity sensors with hardware oversampling, offloading the CPU for user-interface handling. EUSART, SPI, and I2C connect to LED drivers, display modules, and Wi-Fi/BLE modules for smart-appliance connectivity.
تجویز کردہ
LED Lighting Driver and Color Controller
The PIC16F18455-I/SP's two 10-bit PWMs and the Complementary Waveform Generator (CWG) provide synchronized LED dimming and color-mixing across multiple channels. Its 12-bit ADCC monitors LED current via sense resistors, enabling closed-loop brightness regulation without an external op-amp. XLP sleep current keeps the controller draw below 1 µA in standby, satisfying Energy Star and EU eco-design standby limits. The 28-SPDIP package suits through-hole lighting PCBs and high-voltage creepage requirements.
تجویز کردہ
Portable Medical Monitoring Device
For portable pulse-oximeter, glucometer, and patient-wearable designs, the PIC16F18455-I/SP delivers 12-bit ADC precision for SpO2 photodiode signals, plus an integrated 10-bit DAC for sensor bias generation. XLP technology keeps the active duty cycle minimal for multi-day wearable battery life, and the 14KB Flash stores the display driver and BLE communication stack. The -I/SP industrial temperature grade covers body-worn thermal environments; the small SPDIP footprint simplifies low-volume medical device prototyping and IEC 60601-1 safety-clearance layouts.
تجویز کردہ
Automotive Aftermarket Accessory Controller
The PIC16F18455-I/SP serves in aftermarket automotive accessories such as alarm systems, auxiliary lighting controllers, and infotainment panel interfaces where AEC-Q100 is not mandated. The industrial -40C to +85C grade handles cabin temperatures, and the -E/SP variant extends to +125C for underhood deployments. EUSART and SPI connect to GPS, cellular, or RF receiver modules, while the 12-bit ADCC monitors battery voltage and current for power-management logic. PIC heritage toolchain and ICSP support fast firmware iteration in low-volume automotive aftermarket production.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC16F18455-I/SP — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC16F18455-E/SP | PIC16F18446-I/P | PIC16F18445-I/P | PIC16F18426-I/P | PIC16F18346-I/P |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SPDIP (through-hole) | 28-SPDIP - same | 28-PDIP - same | 28-PDIP - same | 28-PDIP - same | 28-PDIP - same |
| Flash Memory | 14 KB | 14 KB | 16 KB | 8 KB | 28 KB | 28 KB |
| RAM | 1 KB | 1 KB | 1.5 KB | 1 KB | 2 KB | 2 KB |
| EEPROM | 256 B | 256 B | 256 B | 256 B | 256 B | 256 B |
| Max CPU Frequency | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| ADC | 12-bit ADCC | 12-bit ADCC | 12-bit ADCC | 12-bit ADCC | 10-bit ADC | 12-bit ADC |
| Operating Temperature | -40C to +85C (I grade) | -40C to +125C (E grade) | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
اہم امتیازی خصوصیات
- Industrial temperature grade with full toolchain support (بمقابلہPIC16F18346-I/P)
- Larger Flash than 8KB cousin at same package (بمقابلہPIC16F18445-I/P)
- Industrial -40C to +85C vs E-grade -40C to +125C (بمقابلہPIC16F18455-E/SP)
ڈیزائن نوٹس
Estimated: at 32 MHz active draw ~3.5 mA at 3.3 V. Place a 100 nF ceramic decoupling capacitor within 3 mm of each VDD/VSS pair, plus a 10 µF bulk aluminum-polymer or ceramic cap near the MCU. For XLP sleep designs, use the Low-Power Timer (T1LP) instead of the main Timer1 to keep wake-up below 1 µA. Verified Web Data did not include exact active current in mA; refer to datasheet DC Characteristics section for guaranteed min/max.
Keep the 12-bit ADCC traces short and guarded by an analog ground plane. Use a separate AVDD/AVSS pair from the digital supply and decouple it with its own 100 nF + 10 µF network. Avoid routing digital switching signals across analog traces to minimize crosstalk. For SPDIP layouts, place ICSP header (5-pin: MCLR, VDD, VSS, RB6, RB7) within 50 mm of the MCU to support PICkit programming in-circuit.
Common mistakes include: (1) tying MCLR directly to VDD - always use the recommended 10 kΩ pull-up to VDD; (2) omitting the VPP capacitor (typically 100 nF) on MCLR causing programming failures; (3) exceeding 5.5 V on any I/O pin during in-circuit debugging; (4) not configuring CONFIG words to disable unused peripherals (CWG, DAC, PWM) which can raise active current by 200-500 µA. Always set the WDT to OFF or use the windowed mode intentionally.
تعمیل کی معلومات
Microchip material declaration confirms RoHS, lead-free, halogen-free, and conflict-mineral compliance. Not AEC-Q100 qualified - use PIC16F18455-E/SP at minimum for automotive-adjacent applications, or PIC16F184xx Q-grade variants for full AEC-Q100 requirements.
