PIC16F18326-I/SL - 8-bit MCU 32MHz 28KB FLASH 14-SOIC | Microchip
부품 번호: PIC16F18326-I/SL ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $1.07 | $1.07 |
| 10 | $0.97 | $9.70 |
| 100 | $0.86 | $86.00 |
| 500 | $0.78 | $390.00 |
| 1,000 | $0.7 | $700.00 |
PIC16F18326-I/SL 개요
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, peripherals, and I/O on one die. The PIC16F18326 belongs to Microchip's PIC16 mid-range family (PIC16 -> 8-bit microcontroller -> microcontroller -> embedded IC -> semiconductor), positioned for low-power and feature-rich general-purpose applications that require small footprints and minimal external components.
Key features include 10-bit ADC with up to 11 channels, a 5-bit DAC, two comparators, two 10-bit PWM modules, Capture/Compare/PWM (CCP), Complementary Waveform Generator (CWG), Numerically Controlled Oscillator (NCO), and Peripheral Pin Select (PPS) for remappable digital peripherals. The XLP sleep current is typically below 50 nA, making the device ideal for battery-powered applications with extended standby time.
The architecture uses a RISC-based PIC16 CPU core with a single-cycle instruction set at 32 MHz, providing 8 MIPS throughput. The 14-pin SOIC footprint exposes 12 I/O pins, of which most digital peripherals can be remapped via PPS, simplifying board layout when SPI, I²C, UART, and PWM channels conflict on fixed-pin devices.
Typical applications include IoT sensor nodes, consumer remote controls, battery-powered handheld instruments, LED lighting controls, low-power wireless sensor front-ends, and home appliances. The combination of small Flash and substantial CIP integration suits tasks that previously required larger pin-count MCUs.
When designing with the PIC16F18326-I/SL, ensure the ICSP™ programming pins (PGD/PGC) are accessible for in-circuit programming and debugging, and provide adequate decoupling (100 nF + 10 µF bulk) on VDD. The PPS feature allows reassignment of peripherals to alternate I/O, but firmware must lock pin mappings before peripheral use to avoid runtime conflicts.
This page synthesizes distributor pricing, drop-in SOIC-14 alternatives, and practical design notes not found in the manufacturer datasheet.
드롭인 대체품: PIC16F18326-I/SL — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: PIC16F18326-I/SL (동일 폼 팩터 및 풋프린트) — 차이점: ADC, DAC, I/O Pins, Operating Temperature, Package.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
PIC16F18325-I/SL
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
PIC16F18346-I/SL
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
PIC16F18326-I/SL 최대 정격 & 전기적 특성
| Core | PIC16 8-bit RISC |
| Program Memory (Flash) | 28 KB (16K x 14 words) |
| SRAM | 2 KB |
| EEPROM | 256 bytes |
| Maximum CPU Speed | 32 MHz (8 MIPS) |
| Operating Voltage Range | 1.8 V to 5.5 V |
| I/O Pins | 12 (in 14-pin SOIC) |
| ADC | 10-bit, up to 11 channels |
| DAC | 5-bit |
| Comparators | 2 |
| PWM Channels | 2 x 10-bit + 4 x 10-bit (CCP/CWG) |
| Communication | 1x SPI, 1x I2C, 1x EUSART (UART) |
| Core Independent Peripherals | CLC, CWG, NCO, CCP, PWM |
| Peripheral Pin Select (PPS) | Yes |
| Functional Safety (FuSa) | Yes (per datasheet) |
| 패키지 | 14-pin SOIC (SL) |
| 동작 온도 | -40 C to +85 C (Industrial) |
| 실장 유형 | Surface Mount |
| RoHS 상태 | Compliant |
PIC16F18326-I/SL 핀 구성
| 핀 1 | RA3/MCLR#/VPP — PORTA bit 3 / Master Clear (Reset, active-low) / ICSP programming voltage input |
| 핀 2 | RC5 — PORTC bit 5 (digital I/O, PPS-mappable) |
| 핀 3 | RC4 — PORTC bit 4 (digital I/O, PPS-mappable) |
| 핀 4 | RC3 — PORTC bit 3 (digital I/O, PPS-mappable) |
| 핀 5 | RC2 — PORTC bit 2 (digital I/O, PPS-mappable) |
| 핀 6 | RC1 — PORTC bit 1 (digital I/O, PPS-mappable, ICSPCLK) |
| 핀 7 | RC0 — PORTC bit 0 (digital I/O, PPS-mappable, ICSPDAT) |
| 핀 8 | VSS — Ground reference |
| 핀 9 | RA0 — PORTA bit 0 (digital I/O, analog input) |
| 핀 10 | RA1 — PORTA bit 1 (digital I/O, analog input) |
| 핀 11 | RA2 — PORTA bit 2 (digital I/O, analog input) |
| 핀 12 | RA4 — PORTA bit 4 (digital I/O) |
| 핀 13 | RA5 — PORTA bit 5 (digital I/O) |
| 핀 14 | VDD — Positive supply voltage (1.8 V to 5.5 V) |
일반적인 애플리케이션
PIC16F18326-I/SL 적합 용도: 8 애플리케이션s: Battery-Powered IoT Sensor Nodes, Consumer Remote Controls, LED Lighting Control, Home Appliance User Interface, Handheld Measurement Instruments, Automotive Body Electronics, Industrial Sensor Transmitters, Smart Home Hub Sensor Front-End.
Battery-Powered IoT Sensor Nodes
The PIC16F18326-I/SL fits battery-powered IoT sensor nodes because its XLP (eXtreme Low Power) sleep current drops below 1 uA and active current is approximately 1 mA at 4 MHz, enabling multi-year coin-cell operation. The 28 KB Flash and 2 KB SRAM comfortably hold wireless protocol stacks (BLE/LoRa front-ends), sensor drivers, and OTA update code, while the 10-bit ADC and CLC peripherals let the CPU remain asleep while the device samples and pre-processes sensor data. PPS remapping eliminates the need for a second MCU when multiple interfaces share pins. Recommend pairing with the MCP9808 I2C temperature sensor and the RN2483 LoRa transceiver for a complete remote monitoring node.
추천
Consumer Remote Controls
The PIC16F18326-I/SL is well suited to consumer remote controls because its 32 MHz core and 2 KB SRAM handle IR protocol encoding (RC5, NEC, SIRC) without external logic, while PPS allows the IR carrier output to be remapped to any PWM-capable pin to simplify PCB layout. The 256-byte EEPROM stores paired device IDs and customer settings across battery swaps, and XLP sleep current below 1 uA extends AAA battery life to several years in typical duty cycles. The 14-pin SOIC keeps the BOM small and the board area minimal in hand-held form factors. Pair with the MCP1700 LDO for stable 3.3 V supply from two alkaline cells.
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LED Lighting Control
The PIC16F18326-I/SL is ideal for LED lighting control because the 10-bit PWM, Complementary Waveform Generator (CWG), and Numerically Controlled Oscillator (NCO) deliver smooth dimming and color-mixing signals without CPU intervention. The CLC can combine PWM outputs to implement zero-cross FET drivers or analog dimming for warm-white tuning, while the integrated 5-bit DAC generates analog reference levels for closed-loop current control. PPS removes pin conflicts when multiple LED strings share a single MCU. Pair with the MCP16502 multi-rail PMIC and AL8860 LED driver for a complete tunable white fixture.
추천
Home Appliance User Interface
The PIC16F18326-I/SL fits home appliance user-interface boards because the 12 I/O pins drive capacitive touch pads, LED indicators, and segment LCDs while the CLC handles button debouncing and LED fading in hardware, offloading work from the CPU. The 10-bit ADC reads potentiometers and temperature sensors, and the I2C/SPI ports connect to main controller boards for status reporting. The 1.8 V to 5.5 V supply range works directly from 3.3 V or 5 V appliance rails without level translation. Recommend pairing with the AT42QT1010 capacitive touch controller and the MCP79410 RTC for clock-based scheduling.
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Handheld Measurement Instruments
The PIC16F18326-I/SL supports handheld measurement instruments because the 10-bit ADC with 11 channels simultaneously reads multiple sensors (temperature, voltage, current), and the 32 MHz CPU performs real-time RMS calculations and display updates without external DSP. XLP sleep current below 1 uA allows standby for weeks on a single 9 V battery when paired with the MCP1700 LDO, while 256-byte EEPROM retains user calibration data across battery swaps. The 14-pin SOIC keeps the PCB small enough for pocket-sized form factors. Pair with the MCP6002 op-amp for signal conditioning and an I2C OLED display for the user readout.
추천
Automotive Body Electronics
The PIC16F18326-I/SL suits automotive body-electronics modules (window lift, mirror control, ambient lighting) where Functional Safety (FuSa) support and -40 C to +125 C operation are required. The 32 MHz core and Core Independent Peripherals (CLC, CWG, PWM) handle motor commutation and lighting sequencing in hardware, while the 10-bit ADC reads position feedback and current sense. PPS allows designers to route PWM and UART signals to PCB-friendly locations, reducing harness complexity. For full AEC-Q100 qualification the user should select the PIC16F18326-E/SL extended-temperature variant or the -VAO automotive suffix.
추천
Industrial Sensor Transmitters
The PIC16F18326-I/SL works well in industrial 4-20 mA sensor transmitters because the 10-bit ADC, 5-bit DAC, and PWM combine to generate a precision current loop without dedicated loop controllers. The 1.8 V to 5.5 V supply is compatible with 24 V industrial rails when regulated by the MCP1700, and the industrial -40 C to +85 C temperature range covers most factory-floor environments. The 256-byte EEPROM retains calibration coefficients, and PPS keeps the PCB layout clean when loop current sensing shares pins with UART diagnostics. Pair with the XTR115 4-20 mA current loop transmitter for a complete field instrument.
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Smart Home Hub Sensor Front-End
The PIC16F18326-I/SL is a strong fit for smart-home hub sensor front-ends because the I2C and SPI ports aggregate multiple environmental sensors (temperature, humidity, air quality), while the CLC and PWM handle local LED indicators without CPU intervention. The 32 MHz core runs Zigbee or Matter protocol stacks on a paired radio module over UART, and XLP sleep keeps idle-mode power below 1 uA for battery-backed operation. The 14-pin SOIC footprint enables compact sensor stick designs that plug into standard smart-home hubs. Recommend pairing with the SAMR34 LoRa/Sub-GHz module or the RN4871 BLE module for wireless uplink.
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추천 제품 요약
엔지니어링 참조 데이터: PIC16F18326-I/SL — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | PIC16F18325-I/SL | PIC16F18346-I/SL |
|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 14-pin SOIC (SL) | 14-pin SOIC (SL) - same | 14-pin SOIC (SL) - same |
| Flash | 28 KB | 14 KB (-50%) | 32 KB (+14%) |
| SRAM | 2 KB | 1 KB (-50%) | 2 KB (same) |
| EEPROM | 256 B | 256 B (same) | 256 B (same) |
| Max CPU Speed | 32 MHz / 8 MIPS | 32 MHz / 8 MIPS (same) | 32 MHz / 8 MIPS (same) |
| Operating Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V (same) | 1.8 V to 5.5 V (same) |
| I/O Pins | 12 | 12 (same) | 12 (same) |
| ADC | 10-bit, 11 ch | 10-bit, 11 ch (same) | 10-bit, 11 ch (same) |
| PPS (Peripheral Pin Select) | Yes | Yes (same) | Yes (same) |
| Temperature Range | -40 C to +85 C (I) | -40 C to +85 C (I) | -40 C to +85 C (I) |
주요 차별점
- Balanced Flash/RAM in 14-SOIC (vs PIC16F18325-I/SL)
- Functional Safety (FuSa) documentation support (vs PIC16F18346-I/SL)
- Core Independent Peripherals (CLC, CWG, NCO) in 14-SOIC (vs PIC16F18323-I/SL)
- Peripheral Pin Select (PPS) remapping on most peripherals (vs PIC16F18323-I/SL)
설계 노트
The PIC16F18326-I/SL has XLP sleep currents typically below 1 uA but only if unused peripherals are disabled and PPS-mapped pins are returned to digital-input mode in firmware. Always place a 100 nF decoupling capacitor directly between VDD (pin 14) and VSS (pin 8), within 3 mm of the package, and add a 10 uF bulk capacitor on the same rail. The internal 32 MHz HFINTOSC draws approximately 1 mA active at 3.3 V; if the design must wake briefly and sleep mostly, switch to the 31 kHz LFINTOSC in Sleep and use a hardware RTC interrupt or CLC event to wake the CPU. Estimated: 1 mA active + 1 uA sleep at 0.1% duty cycle gives roughly 1 mA average current.
Place ICSP programming pins PGD (RC0) and PGC (RC1) on accessible test pads or a 2x3 0.1-inch header so firmware can be programmed and debugged in-circuit using the MPLAB PICkit 4 or ICD 4. The MCLR#/VPP pin (pin 1) requires a 10 kohm pull-up to VDD and a 100 nF decoupling capacitor for reliable Reset behaviour; do NOT leave MCLR floating. Keep high-speed signal traces (SPI, PWM, UART) short and away from the analog AVCC/AVSS rails to avoid digital switching noise coupling into ADC readings.
Configuration bits (CONFIG1..CONFIG5) MUST be set correctly in source code, particularly the WDT (Watchdog Timer), LVP (Low-Voltage Programming), and CLKOUT enable bits - a missing CLKOUT-disable bit will output the system clock on pin 3 and interfere with downstream circuitry. Do NOT exceed 5.5 V on any I/O pin even briefly during hot-plug events; the absolute maximum ratings per the datasheet are 6.5 V on VDD and 6.5 V on any I/O with respect to VSS. The PPS unlock sequence must be executed before and after each PPS write, otherwise the peripheral pin mapping will be silently ignored.
The 10-bit ADC achieves roughly 10 ENOB only when the source impedance is below 5 kohm, so add a unity-gain MCP6001/MCP6002 buffer op-amp in front of high-impedance sensors. Use the dedicated AVSS pin as the analog ground return and connect it to VSS at a single point near the MCU to avoid ground-loop noise. Disable digital input buffers on ADC pins by setting the corresponding bits in the ANS register; otherwise the Schmidt trigger on the digital input adds 5-10 LSBs of ADC noise. Estimated: ADC ENOB drops from 10 to 8 bits when source impedance rises from 1 kohm to 10 kohm.
규정 준수 정보
RoHS and REACH compliant per Microchip product page. Standard PIC16F18326-I/SL is industrial -40 C to +85 C; for AEC-Q100 automotive qualification, choose the -VAO suffix or PIC16F18326-E/SL extended-temperature grade.
