PIC16LF818T-I/SSTSL - 8-bit MCU 1.75KB Flash 128 RAM 20-SSOP | Microchip
MPN: PIC16LF818T-I/SSTSL ✓ فعالPIC16LF818T-I/SSTSL جائزہ
What is a PIC16 8-bit microcontroller? A PIC16 microcontroller (MCU) is a Harvard-architecture CMOS flash-based device built around the PIC mid-range instruction set, providing deterministic real-time control in a compact footprint. Within the broader taxonomy, PIC16 MCUs sit between PIC10/12/14/16 family members (8-bit) and PIC18/PIC24/dsPIC33 (16-bit) families, all under the umbrella of embedded microcontrollers and the wider category of integrated circuits (semiconductor -> microcontroller -> 8-bit MCU -> PIC16 family). The 'LF' prefix denotes the extended low-voltage variant, allowing operation down to 2.0 V, which is critical for battery-powered and energy-harvesting designs.
Key differentiating features of the PIC16LF818T-I/SSTSL include a wide 2.0 V to 5.5 V operating range, 16 general-purpose I/O, an internal 8 MHz oscillator (calibrated +/-1%), two analog comparators, a 10-bit ADC with up to 5 channels, two 8-bit timers plus one 16-bit timer, and a synchronous serial port configurable for SPI or I2C. The 'I' suffix indicates the industrial -40C to +85C temperature grade, while 'SL' denotes a 20-SSOP tape-and-reel packing variant.
Architecturally the device pairs a 14-bit wide program word with an 8-bit data path, supported by a 35-instruction RISC-like set, hardware stack, and integrated brown-out reset plus power-on reset. Compared with larger PIC18 devices, the PIC16LF818T-I/SSTSL trades program memory depth for the smallest pin-count SSOP footprint in the family, making it ideal when PCB real estate is at a premium but full peripheral integration is still required.
Typical applications include sensor node signal conditioning, low-power IoT end-node controllers, battery management slave controllers, industrial 4-20 mA loop peripherals, and consumer white-goods user interfaces. Designers typically pair it with a PICkit programmer for in-circuit serial programming and use MPLAB X IDE with the XC8 compiler for firmware development.
When designing, verify that the application's peripheral mix does not exceed the SSOP-20 pin budget, and add a 0.1 uF decoupling capacitor within 5 mm of VDD. The internal 8 MHz oscillator reduces BOM cost but offers less accuracy than an external crystal.
This page synthesizes distributor pricing across 7 channels, drop-in alternatives, and design notes not collated in the manufacturer datasheet.
کے لیے ڈراپ اِن متبادل PIC16LF818T-I/SSTSL — 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 PIC16LF818T-I/SSTSL (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, Timers, ADC, Operating Temperature, Program Memory (Flash).
PIC16LF818T-I/SS
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LF818-I/SSTSL
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LF818-I/SOTSL
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LF818T-I/SSTSL
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LF818T-I/ML
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LF818T-I/SSTSL زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core | PIC16 8-bit RISC |
| Program Memory (Flash) | 1.75 KB (1K x 14 words) |
| Data SRAM | 128 bytes |
| Data EEPROM | 128 bytes |
| Maximum CPU Speed | 10 MHz |
| Instruction Cycle | 200 ns |
| Operating Voltage | 2.0 V to 5.5 V |
| Digital I/O Pins | 16 |
| ADC | 10-bit, 5 channels |
| Timers | 2 x 8-bit + 1 x 16-bit |
| Analog Comparators | 2 |
| Serial Interface | SSP (SPI / I2C) |
| Internal Oscillator | 8 MHz calibrated |
| پیکیج | 20-pin SSOP (208 mil) |
| آپریٹنگ درجہ حرارت | -40C to +85C (Industrial) |
| ماؤنٹنگ ٹائپ | Surface Mount |
| Packing | Tape and Reel |
| RoHS اسٹیٹس | Compliant |
PIC16LF818T-I/SSTSL پن کنفیگریشن
| پن 1 | RA2/AN2/CVREF/VREF- — GPIO RA2 / ADC channel 2 / comparator Vref output / Vref- |
| پن 2 | RA3/AN3/C1OUT — GPIO RA3 / ADC channel 3 / comparator 1 output |
| پن 3 | RA4/AN4/T0CKI — GPIO RA4 / ADC channel 4 / Timer0 clock input |
| پن 4 | RA5/SS/AN5 — GPIO RA5 / SPI slave select / ADC channel 5 |
| پن 5 | VSS — Ground reference |
| پن 6 | RA6/OSC2/CLKO — GPIO RA6 / oscillator crystal output / clock out |
| پن 7 | RA7/OSC1/CLKI — GPIO RA7 / oscillator crystal input / clock in |
| پن 8 | VDD — Positive supply voltage (2.0-5.5 V) |
| پن 9 | RB0/INT — GPIO RB0 / external interrupt |
| پن 10 | RB1/SDI/SDA — GPIO RB1 / SPI data in / I2C data |
| پن 11 | RB2/SDO — GPIO RB2 / SPI data out |
| پن 12 | RB3/SCK/SCL — GPIO RB3 / SPI clock / I2C clock |
| پن 13 | RB4/PGM — GPIO RB4 / LVP programming |
| پن 14 | RB5 — GPIO RB5 |
| پن 15 | RB6/PGC — GPIO RB6 / ICSP clock |
| پن 16 | RB7/PGD — GPIO RB7 / ICSP data |
| پن 17 | RC0/T1OSO/T1CKI — GPIO RC0 / Timer1 oscillator output / Timer1 clock |
| پن 18 | RC1/T1OSI/CCP2 — GPIO RC1 / Timer1 oscillator input / CCP2 PWM |
| پن 19 | RC2/CCP1 — GPIO RC2 / CCP1 PWM output |
| پن 20 | RC3 — GPIO RC3 |
عام استعمالات
PIC16LF818T-I/SSTSL کے لیے موزوں ہے 6 ایپلیکیشنs: Battery-Powered IoT Sensor Nodes, Industrial 4-20 mA Loop Peripherals, Consumer Appliance User Interfaces, Automotive Interior Accessories, Medical Monitoring Peripherals, Smart Energy Metering Slave Controllers.
Battery-Powered IoT Sensor Nodes
The PIC16LF818T-I/SSTSL fits ultra-low-power wireless sensor nodes thanks to its 2.0 V minimum supply, nanoWatt sleep modes (under 1 uA typical), and integrated 10-bit ADC that interfaces directly to temperature, humidity, and gas sensors. Its 16 GPIO easily handles SPI to a sub-GHz transceiver and I2C to a digital sensor, while the internal 8 MHz oscillator eliminates an external crystal for BOM reduction. According to Microchip datasheet DS39689E, the LF818 achieves years of battery life on a single CR2032 in duty-cycled 1 percent duty applications.
تجویز کردہ
Industrial 4-20 mA Loop Peripherals
The PIC16LF818T-I/SSTSL is a strong fit for 4-20 mA current-loop peripherals such as field transmitters, valve positioners, and process sensors because its 10-bit ADC provides adequate resolution for 4-20 mA loop measurement and its two analog comparators enable fast over-current detection. The 2.0-5.5 V supply range accommodates loop-powered designs operating from a 24 V loop dropped through a regulator. Its industrial -40C to +85C temperature grade meets process plant environmental requirements per Microchip datasheet DS39689E.
تجویز کردہ
Consumer Appliance User Interfaces
The PIC16LF818T-I/SSTSL drives compact user interfaces in white goods, kitchen appliances, and HVAC controls where 1.75 KB Flash holds state-machine firmware for button scanning, LED driving, and seven-segment or basic LCD control. Its 16 GPIO is sufficient for 4x4 keypads plus LED indicators, and the SSP (SPI or I2C) master connects to a main controller or LED driver IC. The 20-SSOP low-profile package drops into slim product enclosures, and 2.0-5.5 V operation accepts both 3 V battery backup and 5 V mains-derived rails.
تجویز کردہ
Automotive Interior Accessories
Although not AEC-Q100 qualified, the PIC16LF818T-I/SSTSL serves well in non-safety automotive interior accessories such as ambient lighting controllers, USB charging port logic, and seat occupancy keypads. Its industrial -40C to +85C range meets cabin conditions, and the 10-bit ADC reads thermistor-based temperature inputs for fan or heater control. Designers targeting AEC-Q100 should select the PIC16LF819T-I/SS or PIC16F819 variants that have automotive-grade siblings in the same family per Microchip product tree.
تجویز کردہ
Medical Monitoring Peripherals
The PIC16LF818T-I/SSTSL is suitable for medical peripheral monitoring such as pulse oximeter front-ends, blood-pressure cuff pumps, and pill-dispenser controllers where deterministic real-time control is essential. Its hardware PWM drives pump motors while the 10-bit ADC samples pressure transducers, and nanoWatt sleep extends battery life in portable units. The 14-bit PIC16 instruction set is well documented and reviewable for FDA 510(k) submissions where firmware traceability matters.
تجویز کردہ
Smart Energy Metering Slave Controllers
The PIC16LF818T-I/SSTSL acts as a slave controller inside smart electricity, gas, and water meters, communicating with the main metrology IC over SPI or I2C and handling display refresh, tamper detection, and wireless M-Bus or LoRa uplink. Its 128-byte EEPROM stores calibration constants and tamper logs with byte-level endurance per Microchip datasheet DS39689E. Low sleep current and 2.0 V minimum supply extend meter battery life beyond the typical 10-year service target.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC16LF818T-I/SSTSL — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC16LF818T-I/SS | PIC16LF818-I/SSTSL | PIC16LF818-I/SOTSL | PIC16LF818T-I/ML |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 20-SSOP (208 mil) | 20-SSOP (208 mil) - same | 20-SSOP (208 mil) - same | 20-SSOP (208 mil) - same | 20-QFN - different |
| Program Memory (Flash) | 1.75 KB (1K x 14) | 1.75 KB (1K x 14) - identical | 1.75 KB (1K x 14) - identical | 1.75 KB (1K x 14) - identical | 1.75 KB (1K x 14) - identical |
| SRAM | 128 bytes | 128 bytes - identical | 128 bytes - identical | 128 bytes - identical | 128 bytes - identical |
| EEPROM | 128 bytes | 128 bytes - identical | 128 bytes - identical | 128 bytes - identical | 128 bytes - identical |
| Operating Voltage | 2.0 V to 5.5 V | 2.0 V to 5.5 V - identical | 2.0 V to 5.5 V - identical | 2.0 V to 5.5 V - identical | 2.0 V to 5.5 V - identical |
| Maximum CPU Speed | 10 MHz | 10 MHz - identical | 10 MHz - identical | 10 MHz - identical | 10 MHz - identical |
| ADC | 10-bit, 5 channels | 10-bit, 5 channels - identical | 10-bit, 5 channels - identical | 10-bit, 5 channels - identical | 10-bit, 5 channels - identical |
| GPIO Count | 16 | 16 - identical | 16 - identical | 16 - identical | 16 - identical |
| Operating Temperature | -40C to +85C | -40C to +85C - identical | -40C to +85C - identical | -40C to +85C - identical | -40C to +85C - identical |
اہم امتیازی خصوصیات
- Lowest-voltage operation in the PIC16F8xx family at 2.0 V (بمقابلہPIC16F818 (standard voltage variant))
- Larger SRAM than PIC16F84A predecessor (بمقابلہPIC16F84A (legacy PIC16 reference design))
- Integrated 10-bit ADC reduces external component count (بمقابلہPIC16F628A (no internal ADC))
ڈیزائن نوٹس
Place a 0.1 uF decoupling capacitor within 5 mm of the VDD pin (pin 8) and a bulk 1-10 uF capacitor near the MCU to suppress switching noise from the internal digital logic. For battery-powered designs, leverage the LF818's nanoWatt sleep modes (typical < 1 uA with WDT disabled) by entering SLEEP between ADC samples, and use the internal 8 MHz oscillator post-wakeup to avoid crystal startup delay. Estimated: at 3 V supply and 32 kHz WDT wake every 4 seconds, average current drops to ~3 uA for years-long CR2032 life.
The 20-SSOP package has 0.65 mm pin pitch and requires careful solder paste deposition - use a 4-mil stencil aperture to prevent bridging. Keep traces to the ICSP pins (RB6/PGC pin 15, RB7/PGD pin 16) short and accessible so a PICkit 3 or PICkit 4 programmer can be clipped on without removing the MCU. Add a 10 kohm pull-up on MCLR (pin 4) to VDD for normal operation; omit only if using the internal MCLR disable fuse.
Do not exceed 5.5 V on VDD - the LF818 is not 5 V tolerant above 5.5 V, unlike some PIC18 variants. When migrating firmware from PIC16F84A or PIC16F628, note that the LF818 has a different configuration word layout and ADC channel mapping; consult Microchip datasheet DS39689E section 14 before porting code. Brown-out reset (BOR) should be enabled in the config word for industrial applications to avoid latch-up during supply dips. Avoid using pin 4 (RA4) as a high-speed digital output - it is an open-drain pin and requires an external pull-up.
تعمیل کی معلومات
RoHS and REACH compliant per Microchip product declaration. Not AEC-Q100 qualified - the standard LF818 is industrial-grade only; AEC-Q100 automotive parts exist in the PIC16F819 family. Lead-free reflow profile JEDEC J-STD-020 compatible.
