PIC16F819-I/SOTSL - 8-bit MCU, 3.5KB Flash, 20MHz | Microchip
MPN: PIC16F819-I/SOTSL ✓ فعالPIC16F819-I/SOTSL جائزہ
An 8-bit microcontroller (MCU) is a programmable processor built around an 8-bit data path that integrates CPU core, non-volatile program memory, working RAM, and a curated set of peripherals onto a single IC. The PIC16F architecture belongs to the broader class of RISC microcontrollers, using a Harvard memory layout, a small instruction word, and a deterministic instruction pipeline. Within the PIC16 family, the F-series adds on-chip Flash and EEPROM, and the 819 part number places this device in the 18/20-pin nanoWatt category: low-power variants optimized for sleep-current performance.
Key features include 200 ns instruction execution, a wide 2.0 V to 5.5 V operating range, nanoWatt power management, in-circuit debugging via ICSP, and flash program memory that supports up to 100,000 erase/write cycles. The 10-bit ADC with 5 channels supports both internal and external voltage references, and the MSSP module can operate as SPI master/slave or as I2C master/slave at up to 400 kHz. Brown-out Reset (BOR) and Power-on Reset (POR) provide fail-safe startup.
The internal architecture pairs a 14-bit instruction word with an 8-bit data path, two register files for fast context switching, and a hardware interrupt controller that supports edge- or level-sensitive external interrupts on selected I/O. The CCP module produces PWM with up to 10-bit resolution at the timer base frequency, suitable for LED dimming, motor control signal generation, and analog setpoint production. The -I (industrial) suffix extends the operating temperature range from -40 C to +85 C, while -E (extended) parts cover -40 C to +125 C.
Typical applications include low-power remote sensor nodes, battery-backed instrumentation, small appliance controls, lighting and dimmer circuits, and intelligent peripherals for industrial equipment. The integrated 10-bit ADC and I2C/SPI peripherals allow the PIC16F819 to act as a glue controller between analog sensors and a host processor over a standard serial bus, while its low sleep current makes it well suited to Energy-harvesting or long-life primary-cell applications.
When designing with this device, ensure the MCLR pin is properly biased with a 10 kohm pull-up to VDD and that decoupling is placed within 1mm of the VDD pin. The internal 8 MHz oscillator can drift over temperature; choose the -I or -E temperature grade based on the worst-case ambient, and reserve the I2C SCL/SDA pins (RB6/RB7) with adequate 4.7 kohm pull-ups if the bus is shared with other devices.
This page synthesizes distributor pricing and stock for the PIC16F819-I/SOTSL, cross-references drop-in SOIC-18 alternatives, and provides practical design notes not found in the manufacturer datasheet, going beyond DigiKey/Mouser product listings.
کے لیے ڈراپ اِن متبادل PIC16F819-I/SOTSL — 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 PIC16F819-I/SOTSL (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, Internal Oscillator, Core Architecture, Operating Temperature, Timers.
PIC16LF819-I/SOTSL
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F818-I/SOTSL
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC16F819-I/SO
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F819-E/SO
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F88-I/SO
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F819-E/ML
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F819-I/SOTSL زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Product Type | 8-bit Microcontroller (MCU) |
| Architecture | PIC16F RISC, Harvard, 14-bit instruction word |
| Program Memory (Flash) | 3.5 KB (2K x 14) |
| Data RAM | 256 bytes |
| Data EEPROM | 256 bytes |
| Maximum CPU Frequency | 20 MHz |
| Instruction Cycle Time | 200 ns |
| Supply Voltage (VDD) | 2.0 V to 5.5 V |
| آپریٹنگ درجہ حرارت | -40 C to +85 C (Industrial, -I) |
| Number of I/O Pins | 16 |
| Internal Oscillator | 8 MHz (factory calibrated) |
| ADC | 10-bit, 5 channels |
| Serial Peripherals | SSP (SPI / I2C), USART not present |
| CCP Module | 1 x Capture/Compare/PWM (10-bit PWM) |
| Timers | Timer0 (8-bit), Timer1 (16-bit), Timer2 (8-bit) |
| Interrupts | Hardware, with edge/level selectable external INT |
| Brown-out Reset / Power-on Reset | Yes |
| ICSP Debug | Yes (In-Circuit Serial Programming) |
| پیکیج | 18-SOIC (0.295 inch / 7.50 mm body width) |
| ماؤنٹنگ ٹائپ | Surface Mount |
| Power-Saving Modes | nanoWatt (Sleep current typically < 1 uA) |
| RoHS اسٹیٹس | Compliant |
PIC16F819-I/SOTSL پن کنفیگریشن
| پن 1 | MCLR/VPP/RE3 — Master Clear (active low) / Programming Voltage / Port E bit 3 |
| پن 2 | RA0/AN0 — PORTA bit 0 / Analog input channel 0 |
| پن 3 | RA1/AN1 — PORTA bit 1 / Analog input channel 1 |
| پن 4 | RA2/AN2/CVREF — PORTA bit 2 / Analog input channel 2 / Comparator Voltage Reference output |
| پن 5 | RA3/AN3/VREF+ — PORTA bit 3 / Analog input channel 3 / Positive ADC voltage reference |
| پن 6 | RA4/TOCKI — PORTA bit 4 / Timer0 clock input |
| پن 7 | RA5/AN4/SS — PORTA bit 5 / Analog input channel 4 / SPI Slave Select |
| پن 8 | VSS — Ground reference |
| پن 9 | OSC1/CLKI/RA7 — Crystal oscillator input / External clock input / PORTA bit 7 |
| پن 10 | OSC2/CLKO/RA6 — Crystal oscillator output / Clock output / PORTA bit 6 |
| پن 11 | RC0/T1OSO/T1CKI — PORTC bit 0 / Timer1 oscillator output / Timer1 clock input |
| پن 12 | RC1/T1OSI/CCP2 — PORTC bit 1 / Timer1 oscillator input / CCP2 input or output |
| پن 13 | RC2/CCP1 — PORTC bit 2 / CCP1 input or PWM output |
| پن 14 | RC3/SCK/SCL — PORTC bit 3 / SPI clock / I2C clock |
| پن 15 | RC4/SDI/SDA — PORTC bit 4 / SPI data in / I2C data |
| پن 16 | RC5/SDO — PORTC bit 5 / SPI data out |
| پن 17 | RB7/PGD/ICSPDAT — PORTB bit 7 / ICSP data / ICSP data |
| پن 18 | RB6/PGC/ICSPCLK — PORTB bit 6 / ICSP clock / ICSP clock |
عام استعمالات
PIC16F819-I/SOTSL کے لیے موزوں ہے 6 ایپلیکیشنs: Battery-Backed Remote Sensor Node, Industrial Lighting Dimmer Controller, Small Appliance Control Board, Intelligent Peripheral with SPI/I2C Interface, Automotive Body Electronics Sub-Module, Consumer Hobbyist and Educational Platform.
Battery-Backed Remote Sensor Node
The PIC16F819-I/SOTSL suits battery-backed remote sensor nodes because its nanoWatt Sleep mode drops quiescent current below 1 uA typical, allowing multi-year battery life when waking briefly to digitize a sensor reading. Its 5-channel 10-bit ADC handles temperature, voltage, and analog signal conditioning at sub-mW average power, while the I2C/SPI master peripheral connects to digital sensors such as accelerometers or humidity ICs. The 256-byte EEPROM provides reliable storage for calibration coefficients without external non-volatile memory, and the 20 MHz CPU throughput sufficient for digital filter preprocessing before low-power sleep. Power dissipation remains under 30 mW even at full 20 MHz and 5 V, well within the SOIC-18 thermal limit of approximately 1 W on standard JEDEC EIA/JESD 51 test boards.
تجویز کردہ
Industrial Lighting Dimmer Controller
The PIC16F819-I/SOTSL fits lighting dimmer controllers thanks to its Capture/Compare/PWM (CCP) module that produces 10-bit PWM at the Timer2 base frequency, enabling smooth 0-100% dimming curves for LED fixtures and incandescent loads. Its 16 I/O pins can drive multiple channels of MOSFET gates or triac optocouplers for AC line dimming, while the analog comparator and ADC verify zero-cross timing for phase-angle control. The 2.0 V to 5.5 V VDD range simplifies power supply design across 3.3 V and 5 V logic levels, and the -40 C to +85 C industrial temperature rating supports industrial lighting environments. Power dissipation at 5 V and 20 MHz is approximately 30 mW, leaving substantial thermal budget for the SOIC-18 package.
تجویز کردہ
Small Appliance Control Board
The PIC16F819-I/SOTSL serves small appliance control boards (coffee makers, fans, kitchen timers) because its CCP module drives TRIAC gates for heater elements and motor windings, while its 10-bit ADC monitors NTC thermistors for closed-loop temperature control. Its Flash memory supports in-the-field firmware updates through ICSP, simplifying manufacturing bring-up timelines for small batch production. The 35 single-word instruction set makes assembly programming efficient for time-deterministic motor-control loops, and the 256-byte RAM handles PWM duty-cycle arithmetic without external memory. Power dissipation at 5 V and 20 MHz is approximately 30 mW, well within the SOIC-18 thermal limit on a 1 square inch copper pour.
تجویز کردہ
Intelligent Peripheral with SPI/I2C Interface
The PIC16F819-I/SOTSL acts as an intelligent peripheral for larger systems because its main Slave Control Port can be configured as SPI or I2C, allowing it to appear as a co-processor on a system bus while exposing its 5-channel 10-bit ADC, CCP PWM output, and digital I/O to the host. This makes it useful for distributed control nodes where the main processor handles HMI but delegates analog sampling and PWM generation to a PIC16F819. Its nanoWatt Sleep mode allows the peripheral to remain quiescent until the host requests a reading, conserving system power budgets in industrial and IoT applications. Power dissipation at 5 V and 20 MHz is approximately 30 mW, manageable in the SOIC-18 package.
تجویز کردہ
Automotive Body Electronics Sub-Module
The PIC16F819-I/SOTSL handles automotive body sub-modules (seat controllers, mirror adjusters, ambient lighting) because its 16 I/O pins drive relay coils and sense switch contacts, while its 10-bit ADC monitors the 12 V battery rail through a resistive divider. The -40 C to +85 C industrial temperature rating covers cabin environments, though for under-hood applications a PIC16F819-E/SO (extended -40 C to +125 C) is preferred for thermal margin. Its I2C/SPI peripheral connects to sensor clusters, and its CCP module drives PWM-controlled LED strings for ambient lighting. Power dissipation at 5 V and 20 MHz is approximately 30 mW, and the SOIC-18 footprint withstands typical automotive shock and vibration profiles per JEDEC JESD22-B103B.
تجویز کردہ
Consumer Hobbyist and Educational Platform
The PIC16F819-I/SOTSL is well suited to hobbyist and educational projects because of its low cost, broad Microchip MPLAB X IDE support, and free XC8 compiler availability. Its 35-instruction PIC16 instruction set is pedagogically clean and well documented, making it an excellent teaching vehicle for register-level programming and interrupt-driven design. The 18-SOIC footprint is breadboard-friendly with SOIC-to-DIP adapters, and the ICSP interface allows students to flash firmware without removing the part. The 256-byte EEPROM stores user preferences in hobbyist projects such as custom game controllers, electronic dice, and simple data loggers. Power dissipation at 5 V and 20 MHz is approximately 30 mW in the SOIC-18 package.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC16F819-I/SOTSL — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC16LF819-I/SOTSL | PIC16F818-I/SOTSL | PIC16F819-I/SO | PIC16F819-E/SO | PIC16F88-I/SO |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 18-SOIC (0.295 inch) | 18-SOIC (0.295 inch) - same | 18-SOIC (0.295 inch) - same | 18-SOIC (0.295 inch) - same | 18-SOIC (0.295 inch) - same | 18-SOIC (0.295 inch) - same |
| Program Memory (Flash) | 3.5 KB (2K x 14) | 3.5 KB (2K x 14) | 3.5 KB (2K x 14) | 3.5 KB (2K x 14) | 3.5 KB (2K x 14) | 4 KB (2K x 14) |
| Data RAM | 256 B | 256 B | 256 B | 256 B | 256 B | 368 B |
| Data EEPROM | 256 B | 256 B | 0 B (not present) | 256 B | 256 B | 256 B |
| VDD Range | 2.0 V to 5.5 V | 1.8 V to 3.6 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V |
| ADC Channels | 5 channels, 10-bit | 5 channels, 10-bit | 5 channels, 10-bit | 5 channels, 10-bit | 5 channels, 10-bit | 7 channels, 10-bit |
| Temperature Grade | Industrial -40 C to +85 C | Industrial -40 C to +85 C | Industrial -40 C to +85 C | Industrial -40 C to +85 C | Extended -40 C to +125 C | Industrial -40 C to +85 C |
| USART | Not present | Not present | Not present | Not present | Not present | Present (1 x USART) |
اہم امتیازی خصوصیات
- Same 18-SOIC footprint as PIC16LF819-I/SOTSL with extended 1.8 V to 3.6 V support (بمقابلہPIC16LF819-I/SOTSL)
- Includes 256-byte data EEPROM versus PIC16F818-I/SOTSL which omits EEPROM (بمقابلہPIC16F818-I/SOTSL)
- Industrial -40 C to +85 C grade versus extended -40 C to +125 C in PIC16F819-E/SO (بمقابلہPIC16F819-E/SO)
ڈیزائن نوٹس
The PIC16F819-I/SOTSL nanoWatt Sleep mode reduces quiescent current below 1 uA typical when the CPU is halted but peripherals can be configured to wake the device on Timer1 overflow or external interrupts. Place a 100 nF ceramic decoupling capacitor within 1 mm of the VDD pin and a 10 uF bulk capacitor at the regulator output. Avoid drawing >200 mA peak from VDD on the SOIC-18 package; sustained current above 100 mA requires substantial copper pour to stay below the 150 C junction temperature limit.
Route the MCLR pin with a 10 kohm pull-up to VDD and place a 0.1 uF capacitor from MCLR to VSS within 1 mm of the pin to ensure monotonic rise < 1 ms for clean Power-on Reset. Keep the crystal or resonator traces within 5 mm of the OSC1/OSC2 pins and surround them with a grounded guard trace to reduce EMI susceptibility. Connect all VSS pins (pin 8 in SOIC-18) to a low-impedance ground pour for thermal dissipation and ESD return path. Per JEDEC EIA/JESD 51, the SOIC-18 thermal resistance theta_JA is approximately 80 C/W on a standard 1 oz 4-layer test board.
The PIC16F819-I/SOTSL main Slave Control Port (SSP) operates as either SPI master/slave at up to 10 MHz (Fosc/4) or I2C master/slave at 100 kHz Standard-mode and 400 kHz Fast-mode. For I2C bus sharing, add 4.7 kohm pull-ups to VDD on SCL (RC3) and SDA (RC4) to meet Fast-mode rise/fall time limits. For SPI, ensure the master SCK frequency does not exceed Fosc/4 (5 MHz at 20 MHz Fosc) and use series resistors near the source to dampen ringing on long PCB traces.
Do not assume the PIC16F819 8 MHz internal oscillator is accurate over temperature; it typically drifts +/- 2% from -40 C to +85 C, which is inadequate for UART timing or precise timing applications - use an external crystal when accuracy matters. The -I (industrial) suffix covers -40 C to +85 C; for designs that may exceed +85 C ambient, switch to the -E (extended) PIC16F819-E/SO variant. The A/D converter requires a 2-channel minimum acquisition time of approximately 20 us at 5 V; failure to wait the full acquisition window corrupts conversion results.
تعمیل کی معلومات
RoHS compliant per Microchip product page (https://www.microchip.com/en-us/product/PIC16F819). Not AEC-Q100 qualified; for automotive body electronics, validate thermal margin with PIC16F819-E/SO or AEC-Q100-qualified PIC16F variants.