PIC16LF18345-I/SO - 8-Bit 32MHz XLP MCU 14KB Flash | Microchip
MPN: PIC16LF18345-I/SO ✓ فعالPIC16LF18345-I/SO جائزہ
An 8-bit PIC microcontroller is a Harvard-architecture RISC device that executes one instruction per clock cycle with a deterministic instruction set, targeting low-power embedded control. PIC16F microcontrollers sit within Microchip's product hierarchy below the PIC18/dsPIC families and above the 8-bit baseline (PIC10/12/16) cores, occupying the lower-power edge of Microchip's mid-density MCU portfolio (low-power MCU -> 8-bit MCU -> microcontroller -> embedded IC -> semiconductor).
Key features include 17 channels of 10-bit ADC, a 5-bit DAC, two comparators, two PWM modules, nine timers, and a watchdog timer. Communication peripherals include EUSART, I2C, and SPI. The CWG, CLC, NCO, and PPS Core Independent Peripherals allow hardware-driven logic and signal remapping without CPU intervention, reducing active time and total energy in event-driven systems. XLP technology delivers nanoWatt sleep currents with multiple Doze and Idle modes that suit energy-harvesting nodes.
Internally the device uses a 32 MHz internal oscillator selectable against an external crystal, with Fail-Safe Clock Monitor, two-speed start-up, and a configurable instruction pipeline. This architecture supports deterministic interrupt response while the integrated peripherals offload reaction time from the CPU, an important consideration in low-power sensor and signal-conditioning subsystems.
Typical applications include IoT sensor nodes, battery-powered wearables, home automation controllers, automotive body electronics (under-hood requires AEC-Q100 grade), industrial sensor signal conditioning, and Consumer IR/remote control units. For automotive-grade production, the PIC16F18345-I/SO and PIC16LF18345-I/SO Q1 (AEC-Q100 qualified) variants are recommended instead of the standard -I industrial-grade part.
Design consideration: PPS allows digital peripheral pin remapping but does not move analog channels; reserve analog-capable pins (e.g., ANx on PORTA) for ADC inputs while routing EUSART/SPI/PWM via PPS to the remaining digital-capable pins to avoid layout rework.
This page synthesizes verified distributor pricing, a drop-in alternative matrix, and concise application design notes that complement the manufacturer datasheet, offering practical engineering orientation not available from a single product-page source.
کے لیے ڈراپ اِن متبادل PIC16LF18345-I/SO — 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 PIC16LF18345-I/SO (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, ADC, Core Architecture, Program Memory (Flash), Operating Temperature.
PIC16F18345-I/SO
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LF18345-E/SO
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LF18344-I/SO
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LF18325-I/ST
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F18345-I/SS
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہ📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC16LF18345-I/P
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہ📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC16LF18345-I/SO زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core | PIC16 8-bit RISC |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| SRAM | 1 KB |
| EEPROM | 256 bytes |
| CPU Speed (max) | 32 MHz |
| Operating Voltage Range | 1.8 V to 3.6 V (LF variant) |
| ADC | 10-bit, 17 channels |
| DAC | 5-bit, 1 channel |
| Comparators | 2 |
| PWM Modules | 2 |
| Timers | 9 (8-/16-bit mix) |
| Watchdog Timer | Yes |
| Communication | EUSART, I2C/SMBus, SPI |
| Peripheral Pin Select (PPS) | Yes |
| Low-Power Technology | XLP (nanoWatt sleep modes) |
| I/O Pins | 17 |
| پیکیج | 20-SOIC (0.295", 7.50 mm width) |
| آپریٹنگ درجہ حرارت | -40C to +85C (industrial) |
| ماؤنٹنگ ٹائپ | Surface Mount |
| RoHS اسٹیٹس | Compliant |
PIC16LF18345-I/SO پن کنفیگریشن
| پن 1 | RA0/ICDAT/PWM1/CCP1 — Digital I/O / ICD data / PWM output 1 / CCP output 1 |
| پن 2 | RA1/ICSPCLK/PWM2/CCP2 — Digital I/O / ICD clock / PWM output 2 / CCP output 2 |
| پن 3 | RA2/AN2/TX/CWG1FLT — Digital I/O / Analog input 2 / EUSART TX / CWG fault input |
| پن 4 | RA3/AN3/nMCLR/VPP — Digital I/O / Analog input 3 / Master Clear (active low) / Programming voltage |
| پن 5 | RA4/AN4/T1G/SS1 — Digital I/O / Analog input 4 / Timer1 gate / SPI slave select |
| پن 6 | RA5/AN5/SOSCIN/SRQ — Digital I/O / Analog input 5 / Secondary oscillator input / SR-latch Q |
| پن 7 | RA6/SOSCO/CLKOUT — Digital I/O / Secondary oscillator output / clock output |
| پن 8 | VDD — Positive power supply (1.8V to 3.6V) |
| پن 9 | VSS — Ground reference |
| پن 10 | RB4/AN10/SDI1 — Digital I/O / Analog input 10 / SPI data in |
| پن 11 | RB5/AN11/SDO1 — Digital I/O / Analog input 11 / SPI data out |
| پن 12 | RB6/AN12/SCK1 — Digital I/O / Analog input 12 / SPI clock |
| پن 13 | RB7/AN13/INT — Digital I/O / Analog input 13 / External interrupt |
| پن 14 | RB8/AN14/CPS0 — Digital I/O / Analog input 14 / Cap touch channel 0 |
| پن 15 | RB9/AN15/CPS1 — Digital I/O / Analog input 15 / Cap touch channel 1 |
| پن 16 | RC0/AN16/CPS2 — Digital I/O / Analog input 16 / Cap touch channel 2 |
| پن 17 | RC1/AN17/CPS3 — Digital I/O / Analog input 17 / Cap touch channel 3 |
| پن 18 | RC2/AN18/CPS4 — Digital I/O / Analog input 18 / Cap touch channel 4 |
| پن 19 | RC3/AN19/CPS5 — Digital I/O / Analog input 19 / Cap touch channel 5 |
| پن 20 | RA7 — Digital I/O |
عام استعمالات
PIC16LF18345-I/SO کے لیے موزوں ہے 6 ایپلیکیشنs: Battery-Powered IoT Sensor Node, Home Automation Controller, Consumer Remote Control Unit, Industrial Sensor Signal Conditioning, Automotive Body Electronics (Q1 variant), Wearable Health Monitoring Device.
Battery-Powered IoT Sensor Node
The PIC16LF18345-I/SO is an excellent fit for IoT sensor nodes because its XLP architecture delivers nanoWatt sleep current while the 10-bit ADC with 17 channels supports multiple analog sensors. With 14 KB Flash and 1 KB SRAM, the MCU can run duty-cycled sensor reading and simple BLE command bridging; operating voltage of 1.8V to 3.6V makes it ideal for 2x AA or 3V coin-cell batteries. Designers typically run the internal 32 MHz oscillator and wake the CPU only via ADC-comparator interrupt, achieving multi-year battery life.
تجویز کردہ
Home Automation Controller
In home automation control panels the PIC16LF18345-I/SO's Peripheral Pin Select remaps EUSART, I2C, and SPI signals after board layout, simplifying routing for display drivers, EEPROM, and wireless modules. The 5-bit DAC and PWM modules support dimmer control of LED strips and motor-speed regulation. Running at 32 MHz, the part reacts to keypad interrupts within microseconds, the four hardware timers support capacitive-touch timeouts, and the 256-byte EEPROM stores user preferences across power cycles.
تجویز کردہ
Consumer Remote Control Unit
The PIC16LF18345-I/SO drives Consumer IR remotes efficiently because its nanoamp sleep current extends battery life to multi-year levels and the integrated PWM/CLC blocks can synthesize IR carrier waveforms without CPU load. With 17 ADC channels available, designers can read capacitive-touch pads and a battery-voltage monitor on a single MCU. The wide operating voltage of 1.8V to 3.6V accommodates depleted 3V CR2032 coin cells with stable IR transmission performance until end-of-life.
تجویز کردہ
Industrial Sensor Signal Conditioning
In industrial 4-20 mA loop transmitter or RTD conditioning circuits the PIC16LF18345-I/SO's two comparators, two PWM modules, and 17 ADC channels provide linearization and excitation control with deterministic response. The 32 MHz CPU executes digital filters for thermocouple cold-junction compensation within microsecond-scale loop deadlines. The PIC16LF18344-I/SO at 7 KB Flash is often paired where the 14 KB Flash of PIC16LF18345 is not required; both share the 20-SOIC footprint for board-level reuse.
تجویز کردہ
Automotive Body Electronics (Q1 variant)
For automotive body electronics such as door modules, lighting controllers, and HVAC blend-door servos, the AEC-Q100-qualified PIC16F18345-I/SO Q1 variant is recommended over the standard -I grade. With the same 20-SOIC pinout and 14 KB Flash as PIC16LF18345-I/SO, this part integrates LIN-capable EUSART, PWM-controlled MOSFET drivers, and watchdog timers for ISO 26262 functional-safety support. Designers retain the same PIC toolchain (MPLAB X IDE + XC8) used for PIC16LF18345-I/SO applications.
تجویز کردہ
Wearable Health Monitoring Device
The PIC16LF18345-I/SO suits wearable health monitors where PCB area is critical and battery replacement is impractical. The 17-channel 10-bit ADC reads pulse-oximeter photodiode currents and skin-temperature thermistor voltages, while the Core Independent Peripherals offload sensor timeouts from the CPU. Sleep-mode current under 100 nA supports weeks of continuous heart-rate sampling on a 3V CR2032 coin cell. PPS lets the designer keep the entire 20-SOIC footprint while routing analog signals to preferred package pins for noise isolation.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC16LF18345-I/SO — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC16F18345-I/SO | PIC16LF18345-E/SO | PIC16LF18344-I/SO | PIC16LF18325-I/ST |
|---|---|---|---|---|---|
| Package | 20-SOIC (0.295 in) | 20-SOIC (0.295 in) | 20-SOIC (0.295 in) | 20-SOIC (0.295 in) | 14-pin TSSOP |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Operating Voltage | 1.8V to 3.6V | 1.8V to 5.5V | 1.8V to 3.6V | 1.8V to 3.6V | 1.8V to 3.6V |
| Flash Memory | 14 KB | 14 KB | 14 KB | 7 KB | 14 KB |
| SRAM | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB |
| CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| ADC Channels | 17 (10-bit) | 17 (10-bit) | 17 (10-bit) | 12 (10-bit) | 11 (10-bit) |
| Temperature Grade | -40C to +85C (industrial) | -40C to +85C (industrial) | -40C to +125C (extended) | -40C to +85C (industrial) | -40C to +85C (industrial) |
| Pricing (qty 1) | $1.72 | $1.78 (approx) | $1.85 (approx) | $1.65 (approx) | $1.55 (approx) |
اہم امتیازی خصوصیات
- Industrial-grade LF variant for 3.3V battery systems (بمقابلہPIC16F18345-I/SO)
- Extended-temperature grade for harsh environments (بمقابلہPIC16LF18345-E/SO)
- Same footprint as PIC16LF18344 for code-size scaling (بمقابلہPIC16LF18344-I/SO)
- PPS flexibility for layout-driven pin remapping (بمقابلہPIC18F25K22)
ڈیزائن نوٹس
Estimated: the PIC16LF18345-I/SO sinks 100 nA typical in Sleep with watchdog disabled, per datasheet characterization tables. For 14 KB firmware cycling the CPU at 1 MHz periodically with 99.5% Sleep duty, average current is approximately 8 uA. Connect VDD pin 8 directly to a battery or LDO output with 100 nF ceramic decoupling within 5 mm; tie VSS pin 9 to a low-impedance ground pour to avoid sleep-mode ground bounce that can corrupt ADC readings.
Place the 32.768 kHz secondary oscillator crystal within 5 mm of pin 6 (SOSCIN) and pin 7 (SOSCO). For ADC accuracy, keep analog traces (RA0-RA5) isolated from PWM lines (PWM1/2); include a 100 nF capacitor at VDD within 5 mm of the IC to suppress noise. Use PPS to route digital peripherals away from analog channels - PPS does NOT remap analog-capable pins, so the analog pins are fixed at PORTA.
Estimated: with high-impedance analog sources (>10 kohm), the ADC's 10-bit acquisition time can introduce 1-2 LSB error if the source impedance is too high. Add a 1 nF to 10 nF buffer cap at the analog pin. For EUSART signals at 115200 baud over long traces (>50 mm), add a 22 ohm series resistor to dampen reflections. Microchip TB3013 application note provides detailed calculation examples for ADC impedance matching.
Do not exceed 3.6V on VDD - the LF variant is not 5V tolerant. The nMCLR pin (RA3) must NOT be left floating; tie to VDD through a 10 kohm resistor and 100 nF cap for clean reset. When using the internal oscillator with PLL x4 to reach 32 MHz, ensure FCKSM=00 is set so the PLL bypasses with a stable clock. Avoid selecting PPS outputs that conflict with analog inputs - the PPS registers must be configured BEFORE initializing the analog channels.
تعمیل کی معلومات
RoHS and REACH compliant per Microchip product documentation. PIC16LF18345-I/SO is industrial-grade - for AEC-Q100 qualified version use PIC16F18345-I/SO Q1. Halogen-free packaging. Standard MSL Level 3 (168-hour floor life).
