PIC16LF18313-I/SN - 8-bit MCU, 3.5KB Flash, 32MHz, 8-SOIC | Microchip
MPN： PIC16LF18313-I/SN ✓ 啟用中PIC16LF18313-I/SN 概覽
An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data-path CPU, on-chip program memory, data RAM, peripherals, and I/O. It belongs to the hierarchy: microcontroller -> embedded computer -> semiconductor. The PIC16F183xx family targets low-power general-purpose and battery applications, combining Core Independent Peripherals (CIPs) such as CLC, NCO, CWG, and PPS with eXtreme Low Power (XLP) sleep modes measured in nA.
Key features include a 10-bit ADC with 5-bit DAC, two 10-bit PWM channels, one Capture/Compare/PWM (CCP), one Configurable Logic Cell (CLC), a Numerically Controlled Oscillator (NCO), a Complementary Waveform Generator (CWG), and Peripheral Pin Select (PPS) for flexible I/O mapping. The device operates from 1.8V to 3.6V (LF variant) and supports sleep currents as low as 20 nA typical.
The PIC16LF18313 uses Microchip's enhanced mid-range 8-bit PIC16 CPU core with a 14-bit instruction word and hardware multiplier, executing most instructions in one cycle. The integrated Core Independent Peripherals operate autonomously without CPU intervention, freeing the core for application logic and enabling deterministic analog and timing behavior.
Typical applications include IoT sensor nodes, battery-powered remote controls, wearable health monitors, low-power wireless sensor endpoints, and compact consumer devices where small package and low sleep current are critical. The 8-SOIC footprint suits hand-soldering and small-form-factor PCBs.
When designing with this part, always select the LF (low-voltage) variant for 1.8V operation; the non-LF PIC16F18313 requires 2.3V minimum. Use Peripheral Pin Select (PPS) to remap digital peripherals, and exploit CIPs (CLC/NCO/CWG) to offload timing-critical tasks from the CPU.
This page synthesizes distributor pricing, drop-in alternative MPNs sharing the 8-SOIC footprint, and practical design notes not found in the manufacturer datasheet summary.
直接替換替代品，適用於 PIC16LF18313-I/SN — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： PIC16LF18313-I/SN （相同外形與佔位） — 差異在於 Package, ADC, I/O Pins, Comparators, Core Architecture.
PIC16LF18313T-I/SN
✅ 直接替換聯絡詢價
查看資料表 →PIC16F18313-I/SN
✅ 直接替換聯絡詢價
查看資料表 →PIC16F18313T-I/SN
✅ 直接替換聯絡詢價
查看資料表 →PIC16F18313-E/SN
✅ 直接替換📋 參考替代品（不在目錄中）
PIC16LF18323-I/SN
✅ 直接替換📋 參考替代品（不在目錄中）
PIC16LF18313-I/SN 最大額定值與電氣特性
| Core Architecture | PIC16 enhanced mid-range 8-bit |
| Program Memory (Flash) | 3.5 KB (2K x 14) |
| Data SRAM | 256 bytes |
| Data EEPROM | 256 bytes |
| Maximum CPU Frequency | 32 MHz |
| Supply Voltage Range | 1.8 V to 3.6 V |
| ADC | 10-bit, 5 channels |
| DAC | 5-bit, 1 channel |
| PWM | 2 x 10-bit PWM + 1 x CCP |
| Comparators | 1 |
| Core Independent Peripherals (CIPs) | CLC, NCO, CWG |
| Peripheral Pin Select (PPS) | Yes |
| 工作溫度範圍 | -40 C to +85 C (Industrial) |
| 封裝 | 8-pin SOIC (SN) 3.90 mm |
| 安裝類型 | Surface Mount |
| RoHS 狀態 | Compliant |
| MSL 等級 | 1 |
PIC16LF18313-I/SN 腳位配置
| 腳位 1 | VDD — Positive supply voltage (1.8 V to 3.6 V) |
| 腳位 2 | RA5 — Bidirectional I/O / analog input / digital peripheral via PPS |
| 腳位 3 | RA4 — Bidirectional I/O / analog input / digital peripheral via PPS |
| 腳位 4 | RA3/MCLR — Input only / Master Clear (reset) input |
| 腳位 5 | RA2 — Bidirectional I/O / analog input / digital peripheral via PPS |
| 腳位 6 | RA1 — Bidirectional I/O / analog input / digital peripheral via PPS |
| 腳位 7 | RA0 — Bidirectional I/O / analog input / digital peripheral via PPS |
| 腳位 8 | VSS — Ground reference |
典型應用
PIC16LF18313-I/SN 適用於 6 應用s: IoT Wireless Sensor Node, Battery-Powered Remote Control, Wearable Health Monitor, Compact Consumer Appliance Controller, Industrial Sensor Transmitter, Smart LED Lighting Controller.
IoT Wireless Sensor Node
The PIC16LF18313-I/SN is well-suited as the host MCU for an IoT wireless sensor node that wakes periodically to sample a sensor and a sub-GHz or BLE radio, then returns to sleep. Its 20 nA typical sleep current with full RAM retention and integrated 10-bit ADC minimize average system power, while 3.5 KB program memory holds the radio driver and a small application layer. The 1.8-3.6 V supply window lets you run directly from a single Li-ion or 2xAA cell. PPS remaps the UART/SPI to any pin for flexible placement near the radio, and the CLC/NCO/CWG CIPs offload pulse generation and timing, letting the CPU stay asleep. uC:V1
推薦
Battery-Powered Remote Control
Handheld remote controls benefit from the PIC16LF18313-I/SN's low active current and XLP-class 20 nA sleep current, extending coin-cell battery life across years of standby. The integrated 5-bit DAC and 10-bit PWM can drive an IR LED directly, while the CWG generates carrier frequencies for IR or sub-GHz modulation. PPS allows the IR PWM output to be placed on any GPIO, simplifying PCB layout. The 8-SOIC package is hand-solder-friendly, suiting low-volume remote-control SKUs. uC:V2
推薦
Wearable Health Monitor
Wearables such as fitness bands and pulse oximeters require microcontrollers with low sleep current and integrated analog peripherals; the PIC16LF18313-I/SN delivers both. The 10-bit ADC samples photodiode or bio-impedance signals, the 5-bit DAC sets bias levels, and the comparator detects threshold crossings autonomously via the CLC, waking the CPU only on events. CGE 20 nA sleep with full RAM retention and the 1.8 V minimum supply support single-cell Li-ion or coin-cell operation. The 8-SOIC footprint is small enough for sub-1-inch wearable PCBs. uC:V3
推薦
Compact Consumer Appliance Controller
Small consumer appliances such as coffee makers, toothbrushes, and kitchen timers benefit from the PIC16LF18313-I/SN's combination of a small 8-SOIC footprint, integrated peripherals, and eXtreme Low Power consumption. The CWG can drive a half-bridge for low-power motor control, the CCP handles timing of brew cycles or buzzer tones, and the 10-bit ADC reads temperature sensors. With 3.5 KB Flash and 256 B RAM, the MCU handles user-interface logic and timing without external components. uC:V4
推薦
Industrial Sensor Transmitter
Loop-powered or battery-backed 4-20 mA industrial sensor transmitters use the PIC16LF18313-I/SN as a low-power host MCU. The 1.8 V minimum supply and 20 nA sleep current suit energy-harvested or loop-powered designs, while the 10-bit ADC and integrated comparator handle analog front-end conditioning. The 8-SOIC industrial temperature grade (-40 to +85 C) covers most factory environments; choose PIC16F18313-E/SN for the -40 to +125 C extended range. PPS simplifies routing on dense transmitter PCBs. uC:V5
推薦
Smart LED Lighting Controller
Addressable LED controllers for decorative and architectural lighting use the PIC16LF18313-I/SN to drive WS2812B or APA102 strips. The CWG generates high-resolution PWM dimming, the NCO produces precise timing for LED protocols, and the CLC handles bit-banging protocols without CPU load. With 3.5 KB Flash and 256 B RAM, the MCU handles user-pattern storage and dim curves. The 8-SOIC footprint integrates easily into small inline LED controller modules. uC:V6
推薦
推薦產品摘要
工程參考資料，適用於 PIC16LF18313-I/SN — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | PIC16LF18313T-I/SN | PIC16F18313-I/SN | PIC16F18313T-I/SN | PIC16F18313-E/SN |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 8-SOIC (SN) | 8-SOIC (SN) - same | 8-SOIC (SN) - same | 8-SOIC (SN) - same | 8-SOIC (SN) - same |
| Operating Voltage | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V |
| CPU Frequency | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Flash Memory | 3.5 KB | 3.5 KB | 3.5 KB | 3.5 KB | 3.5 KB |
| SRAM | 256 bytes | 256 bytes | 256 bytes | 256 bytes | 256 bytes |
| EEPROM | 256 bytes | 256 bytes | 256 bytes | 256 bytes | 256 bytes |
| Sleep Current (typ) | 20 nA | 20 nA | 50 nA | 50 nA | 50 nA |
| 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 +125 C |
| Unit Price (qty 1, USD) | 1.21 | 1.21 | 1.10 | 1.10 | 1.30 |
主要差異化特點
- Lowest voltage operation in the PIC16F18313 family (對比PIC16F18313-I/SN)
- Lowest sleep current among 8-SOIC PIC16F18313 variants (對比PIC16F18313-E/SN)
- Industrial temperature range matches the LF silicon advantage (對比PIC16F18313-E/SN)
設計說明
The PIC16LF18313-I/SN's LF variant guarantees 1.8 V minimum VDD, but the LF silicon is also specified for full-speed 32 MHz operation at 3.3 V. For battery designs, hold VDD above 1.8 V at all loads - brownout at low temperatures can cause EEPROM corruption. Place a 100 nF decoupling capacitor within 5 mm of VDD (pin 1) and a 10 uF bulk capacitor near the IC. Use Sleep mode with the internal LFINTOSC for the deepest power savings; typical sleep current is 20 nA with full RAM retention.
Route the MCLR/RA3 (Pin 4) trace directly and keep it short to minimize noise coupling into the reset line. Place the IC near the edge connector if RA3 is used as a programming/test pad. The 8-SOIC footprint is 3.90 mm body width - allow 0.25 mm trace/space clearance to neighboring components to satisfy most fab rules. Keep analog inputs (RA0-RA5) away from switching nodes and use a ground guard ring if high-impedance analog traces run more than 10 mm.
Do not use the non-LF PIC16F18313 if your battery drops below 2.3 V - the part will brownout or behave erratically. The LF variant is mandatory for 1.8 V designs. MCLR must be tied to VDD through a 10 kohm resistor (or left unused as RA3 input only with the configuration bit cleared). Always set the configuration bits in source code (PIC10/PIC12/PIC16/PIC18 XC8 __CONFIG macros) before programming; default-unprogrammed parts have the watchdog enabled, which draws ~300 nA extra in low-power designs.
For SPI/I2C peripherals mapped via PPS, place 100 ohm series resistors near the MCU pins when traces exceed 25 mm or when crossing noisy power planes. The PIC16LF18313-I/SN's GPIO drive strength is moderate; for high-speed signals, prefer the PPS-mappable CWG output for clean edges. If using the ADC at high source impedance (>5 kohm), add a 100 nF capacitor on the analog pin to limit conversion noise and bandwidth.
合規資訊
RoHS and REACH compliance per Microchip product page. Not AEC-Q100 qualified (industrial grade only); automotive customers should use AEC-Q100 qualified variants from Microchip's automotive portfolio. Halogen-free and lead-free per Microchip packaging specifications.
