PIC16F18854-E/SP - 8-bit MCU, 7KB Flash, 28-SPDIP | Microchip
部品番号: PIC16F18854-E/SP ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $1.78 | $1.78 |
| 10 | $1.6 | $16.00 |
| 100 | $1.35 | $135.00 |
| 500 | $1.18 | $590.00 |
| 1,000 | $1.02 | $1,020.00 |
PIC16F18854-E/SP 概要
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, volatile RAM, and peripheral interfaces such as ADCs, timers, and communication controllers. PIC microcontrollers from Microchip use a modified Harvard RISC architecture optimized for deterministic interrupt response and low-power operation. Within the broader taxonomy, the PIC16F18854 belongs to the PIC16 mid-range family -> 8-bit MCU -> microcontroller -> embedded processor -> semiconductor device.
Key features include a 10-bit ADC, 22-pin-compatible SPI/I2C peripheral count, hardware Limit Timer (HLT), CRC/SCAN, and a windowed Watchdog Timer (WWDT) for functional safety. The XLP technology delivers sleep currents in the nanoamp range, enabling battery-powered designs to operate for years on a single cell. The E temperature grade supports -40C to +125C operation, suitable for industrial environments.
Architecturally, the PIC16F18854 uses a 16-bit instruction word with a single-cycle 32 MHz internal oscillator (8 MIPS effective throughput). Core Independent Peripherals such as the Complementary Waveform Generator (CWG), Numerically Controlled Oscillator (NCO), and Configurable Logic Cells (CLC) operate without CPU intervention, offloading real-time tasks and reducing firmware complexity.
Typical applications include IoT sensor nodes, consumer white goods, automotive body electronics, battery management peripherals, and industrial sensor interfaces. The combination of low sleep current and rich analog integration suits always-on designs where the MCU spends most of its time in sleep.
When designing with this MCU, ensure decoupling capacitors are placed close to VDD and that the ICSP programming header is accessible for in-circuit firmware updates. The device is supported by MPLAB X IDE and the MCC code configurator, which generate peripheral initialization code automatically.
ドロップイン代替品: PIC16F18854-E/SP — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
このシリーズのバリエーション
同一シリーズでドロップイン互換のモデル: PIC16F18854-E/SP （同一形状・フットプリント） — 相違点: Program Memory (Flash), ADC, Core Architecture, Operating Temperature, Package.
クイック比較ツール — 並列比較する代替部品を選択:
PIC16F18855-E/SP
✅ ドロップイン✓ 在庫あり
$1.47 / 個
データシートを見る →PIC16F18877-E/SP
✅ ドロップイン📋 参考代替品（カタログ未掲載）
PIC16F18856-E/SP
✅ ドロップイン✓ 在庫あり
$1.28 / 個
データシートを見る →PIC16F18854-I/SP
✅ ドロップイン✓ 在庫あり
$1.35 / 個
データシートを見る →PIC16F18854-E/SO
✅ ドロップイン✓ 在庫あり
$1.34 / 個
データシートを見る →PIC16F18875-E/SP
✅ ドロップイン📋 参考代替品（カタログ未掲載）
PIC16F18876-E/SP
✅ ドロップイン📋 参考代替品（カタログ未掲載）
PIC16F18854-E/SP 最大定格＆電気的特性
| Core Architecture | 8-bit PIC RISC (mid-range) |
| Program Memory (Flash) | 7 KB |
| Data EEPROM | 256 B |
| Maximum CPU Speed | 32 MHz (8 MIPS) |
| ADC | 10-bit |
| パッケージ | 28-pin SPDIP (Skinny Plastic DIP) |
| Operating Voltage | 3.3 V (typical; family supports 1.8 V to 5.5 V) |
| 動作温度 | -40C to +125C (E grade) |
| Communication Peripherals | 22x SPI/I2C (per family brief) |
| Low-Power Technology | eXtreme Low Power (XLP) |
| Windowed WDT | Yes (WWDT for functional safety) |
| 実装タイプ | Through-Hole (DIP) |
| RoHS ステータス | Compliant (per Microchip product page) |
| MSLレベル | Not applicable (through-hole) |
PIC16F18854-E/SP ピン構成
| ピン 1 | RA2/AN2 — GPIO / ADC input (Port A bit 2) |
| ピン 2 | RA3/AN3/VREF+ — GPIO / ADC input / positive voltage reference |
| ピン 3 | RA4/AN4 — GPIO / ADC input (Port A bit 4) |
| ピン 4 | RA5/MCLR/VPP — GPIO / Master Clear (reset) / programming voltage input |
| ピン 5 | VSS — Ground reference |
| ピン 6 | RB0/AN12/INT — GPIO / ADC / external interrupt (Port B bit 0) |
| ピン 7 | RB1/AN10 — GPIO / ADC input (Port B bit 1) |
| ピン 8 | RB2/AN8 — GPIO / ADC input (Port B bit 2) |
| ピン 9 | RB3/AN9/CCP1 — GPIO / ADC / Capture/Compare/PWM1 (Port B bit 3) |
| ピン 10 | RB4/AN11 — GPIO / ADC input (Port B bit 4) |
| ピン 11 | RB5/AN13 — GPIO / ADC input (Port B bit 5) |
| ピン 12 | RB6/ICSPCLK — GPIO / In-Circuit Serial Programming clock (Port B bit 6) |
| ピン 13 | RB7/ICSPDAT — GPIO / In-Circuit Serial Programming data (Port B bit 7) |
| ピン 14 | VSS — Ground reference (second VSS pin for SPDIP-28) |
| ピン 15 | VDD — Positive supply voltage (1.8 V to 5.5 V) |
| ピン 16 | RA6/VCAP — GPIO / voltage regulator output capacitor (Port A bit 6) |
| ピン 17 | RA7/OSC1/CLKI — GPIO / crystal oscillator input / external clock input (Port A bit 7) |
| ピン 18 | RA1/AN1/OSC2/CLKO — GPIO / ADC / crystal oscillator output / clock output (Port A bit 1) |
| ピン 19 | RA0/AN0 — GPIO / ADC input (Port A bit 0) |
| ピン 20 | RC0 — GPIO (Port C bit 0) |
| ピン 21 | RC1 — GPIO (Port C bit 1) |
| ピン 22 | RC2 — GPIO (Port C bit 2) |
| ピン 23 | RC3 — GPIO (Port C bit 3) |
| ピン 24 | RC4 — GPIO (Port C bit 4) |
| ピン 25 | RC5 — GPIO (Port C bit 5) |
| ピン 26 | RC6 — GPIO (Port C bit 6) |
| ピン 27 | RC7 — GPIO (Port C bit 7) |
| ピン 28 | VDD — Positive supply voltage (second VDD pin for SPDIP-28) |
主な用途
PIC16F18854-E/SP の用途: 7 件s: IoT Sensor Node, Industrial Sensor Interface, Consumer White Goods Control, Automotive Body Electronics, Battery Management Peripheral, LED Lighting Controller, Medical Monitoring Accessories.
IoT Sensor Node
The PIC16F18854-E/SP is well suited for battery-powered IoT sensor nodes due to its eXtreme Low Power (XLP) technology, which delivers nanoamp-level sleep currents that extend battery life into the multi-year range. Its Core Independent Peripherals (CIPs) including the CWG, NCO, and CLC allow the device to wake from sleep, sample a sensor, and transmit data without CPU intervention, dramatically reducing average current consumption. The 10-bit ADC provides adequate resolution for temperature, humidity, and pressure sensing, while the 7 KB Flash supports protocols like MQTT-SN or LoRaWAN stacks. Recommended companion parts: PIC16F18855-E/SP for higher RAM, MCP9808 for temperature sensing, RN2483 for LoRaWAN connectivity.
おすすめ
Industrial Sensor Interface
The PIC16F18854-E/SP fits industrial 4-20 mA loop sensor interfaces, providing the analog front-end and digital signal conditioning needed for bridge, RTD, and thermocouple sensors. Its 10-bit ADC combined with on-chip op-amps and a 5-bit DAC enables zero-drift signal conditioning, while the E temperature grade (-40C to +125C) supports factory-floor deployments. The windowed WDT and CRC/SCAN features add functional safety for IEC 61508 SIL-2 capable designs. The 22-pin-count SPI/I2C capability scales to multiple digital sensors on a single bus. Recommended companion parts: MCP6N11 instrumentation amplifier, MCP3421 18-bit ADC for precision, AT24C256 EEPROM for data logging.
おすすめ
Consumer White Goods Control
The PIC16F18854-E/SP serves as the main controller in washing machines, dishwashers, and refrigerators where 8-bit MCU economics meet rich peripheral integration. The Complementary Waveform Generator (CWG) drives motor control signals for brushless DC and universal motors, while the Configurable Logic Cells (CLC) implement custom glue logic without external gates. Its 7 KB Flash supports user interface state machines, while the 32 MHz internal oscillator eliminates external crystals in cost-sensitive designs. The hardware Limit Timer (HLT) protects against fault conditions without software overhead. Recommended companion parts: MCP8024 3-phase BLDC gate driver, MCP9700 temperature sensor, AT24C32 EEPROM for settings storage.
おすすめ
Automotive Body Electronics
The PIC16F18854-E/SP is used in non-safety automotive body electronics such as interior lighting controllers, seat control modules, and HVAC blend door actuators. Its CIP-driven architecture handles PWM generation, quadrature decoding, and LIN protocol framing without CPU load, freeing the core for application logic. The E temperature grade handles under-dash thermal environments. For ASIL-rated safety functions, migrate to the PIC16F18877 family or dsPIC33 EP family. The 22-pin-count peripheral set supports multiple LIN slaves and motor drivers on a single MCU. Recommended companion parts: MCP2515 CAN controller (CAN-FD not supported on this device), TJA1027 LIN transceiver, MCP1755 LDO regulator.
おすすめ
Battery Management Peripheral
The PIC16F18854-E/SP operates as a secondary controller in multi-cell battery packs, monitoring individual cell voltages and temperatures while the main BMS IC handles balancing and protection. Its XLP sleep current below 50 nA allows it to remain always-on for years on a small coin cell, periodically waking to scan cell voltages and report state-of-health over SMBus. The 10-bit ADC with internal voltage reference delivers ±1 LSB accuracy for cell voltage measurements after calibration. Recommended companion parts: MCP3421 18-bit ADC for precision coulomb counting, AT24C32 EEPROM for cycle log, MCP1700 LDO for ultra-low quiescent supply.
おすすめ
LED Lighting Controller
The PIC16F18854-E/SP drives addressable RGBW LED strips and architectural lighting fixtures using its 16-bit PWM and Complementary Waveform Generator (CWG). The CWG can drive high-side/low-side MOSFET pairs for constant-current LED drivers without CPU intervention, achieving microsecond timing accuracy. Its DMX-512 or DALI protocol stacks fit within 7 KB Flash when using the Microchip application note AN1073. The 32 MHz internal oscillator provides sufficient resolution for 16-bit color mixing at 1 kHz refresh rate. Recommended companion parts: MCP4018 digital potentiometer for current setting, TLC5947 24-channel PWM LED driver for expansion, MCP1755 LDO for analog rail.
おすすめ
Medical Monitoring Accessories
The PIC16F18854-E/SP is used in non-critical medical accessories such as pill dispensers, nebulizer timers, and patient-monitoring secondary displays where its CIPs reduce firmware burden for safety-relevant timing. The windowed WDT and CRC/SCAN provide fault detection required by IEC 60601-1-9 for environmentally conscious design. Its low power consumption supports battery operation in portable patient devices. The 10-bit ADC with internal 1.024V reference reads thermistor bridges for body temperature measurement with adequate accuracy. Recommended companion parts: MCP9700 analog temperature sensor, MCP4018 digital potentiometer, MCP1755 LDO for clean analog supply.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: PIC16F18854-E/SP — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | PIC16F18855-E/SP | PIC16F18877-E/SP | PIC16F18856-E/SP | PIC16F18854-I/SP | PIC16F18854-E/SO |
|---|---|---|---|---|---|---|
| Package | 28-SPDIP (through-hole) | 28-SPDIP - same | 28-SPDIP - same | 28-SPDIP - same | 28-SPDIP - same | 28-SOIC - pin-compatible SMD |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 7 KB | 14 KB | 28 KB | 14 KB | 7 KB (same die) | 7 KB (same die) |
| Data EEPROM | 256 B | 256 B | 256 B | 256 B | 256 B | 256 B |
| Maximum CPU Speed | 32 MHz (8 MIPS) | 32 MHz (8 MIPS) | 32 MHz (8 MIPS) | 32 MHz (8 MIPS) | 32 MHz (8 MIPS) | 32 MHz (8 MIPS) |
| ADC Resolution | 10-bit | 10-bit (more channels) | 10-bit (more channels) | 10-bit | 10-bit | 10-bit |
| Operating Temperature | -40C to +125C (E grade) | -40C to +125C (E grade) | -40C to +125C (E grade) | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +125C (E grade) |
| Low-Power Technology | XLP (eXtreme Low Power) | XLP | XLP | XLP | XLP | XLP |
| Functional Safety Features | WWDT, CRC/SCAN, HLT | WWDT, CRC/SCAN, HLT | WWDT, CRC/SCAN, HLT | WWDT, CRC/SCAN, HLT | WWDT, CRC/SCAN, HLT | WWDT, CRC/SCAN, HLT |
主な差別化要因
- Drop-in upgrade path to 14 KB Flash via PIC16F18855-E/SP （vs PIC16F18855-E/SP)
- Scalable memory tiers within the same 28-SPDIP footprint （vs PIC16F18877-E/SP)
- Core Independent Peripherals reduce CPU load and code size （vs PIC16F18854-I/SP)
設計ノート
The PIC16F18854-E/SP supports a wide operating voltage range of 1.8 V to 5.5 V. Place a 100 nF decoupling capacitor as close as possible to each VDD pin (pins 15 and 28 on the 28-SPDIP) with the ground return directly to the nearest VSS pin. For battery applications, use the internal 32 MHz HFINTOSC and disable unused peripherals via the PMD (Peripheral Module Disable) registers to achieve sleep currents below 50 nA. According to the Microchip PIC16(L)F1885X/7X product brief (DS40001768A), the SLEEP current in Retention mode can reach the low nanoamp range when the WDT and BOR are disabled.
The 28-SPDIP through-hole footprint requires 0.1 inch (2.54 mm) pitch through-holes with 0.6 mm drill diameter for standard 0.65 mm lead pins. Reserve space for the ICSP programming header (5-pin or 6-pin RJ-12) on the PCB edge for in-circuit firmware updates - the ICSP pins are shared with RB6 (ICSPCLK) and RB7 (ICSPDAT). Keep the crystal oscillator traces short (less than 5 mm) if an external crystal is used, and place a guard ring around the XTAL traces to reduce EMI. The VCAP pin (pin 16) requires a 1 uF low-ESR ceramic capacitor to VSS for internal voltage regulator stability.
Do not leave the MCLR pin (pin 4) floating - tie it to VDD through a 10 kohm pull-up resistor, or use the internal MCLR via the CONFIG register. When using the ADC, set the TRIS bits for analog channels to input mode and disable the digital input buffer via the ANSELF register to prevent shoot-through current. Do not exceed the absolute maximum VDD of 5.5 V; voltage spikes from inductive loads require a TVS diode or snubber. For E-grade operation to +125C, ensure the socket or PCB pad plating supports the temperature range. The internal voltage reference (FVR) requires the ADC to be enabled and a settling time of at least 30 us before conversion.
コンプライアンス情報
RoHS compliant and lead-free per Microchip product page. Not AEC-Q100 qualified - the PIC16F18854-E/SP is for general-purpose and industrial use, not automotive safety functions. Halogen-free status not explicitly stated in the provided data.
