PIC16LF818T-I/ML - 8-bit PIC MCU, 10MHz, 1.75KB Flash, 28-QFN | Microchip
MPN: PIC16LF818T-I/ML ✓ فعالPIC16LF818T-I/ML جائزہ
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, working RAM, and peripherals onto one silicon die. Microchip's PIC16F family uses an enhanced Harvard RISC architecture with a 14-bit instruction word, which simplifies instruction decoding and produces compact, deterministic code suited for cost-sensitive embedded control. These MCUs sit below 32-bit ARM Cortex-M parts in computational capability but excel at deterministic I/O control, low power, and small form-factor designs, making them a workhorse for consumer white goods, sensors, and industrial control modules.
The PIC16LF818T-I/ML runs from 2.0V to 5.5V (LF = low-voltage F-series variant), has 10 ADC channels at 10-bit resolution, a 3-channel enhanced capture/compare/PWM module, two 8-bit timers plus one 16-bit timer, and hardware USART/MSSP (SPI/I2C) peripherals. The NanoWatt technology suite (extended WDT, sleep, and INT-on-change modes) plus a low-power 32 kHz internal oscillator lets the device achieve quiescent currents under 1 microamp in sleep, which is critical for battery-backed sensor nodes. The QFN-28 package with EP improves thermal dissipation and PCB density versus DIP/SOIC variants.
Typical applications include handheld instrumentation, sensor signal conditioning with on-chip ADC, low-power remote controls, battery chargers, motor-driver front-ends, and IoT edge nodes where deterministic control and ultra-low sleep current outweigh the need for higher MIPS. The 28-QFN footprint also makes the device a drop-in upgrade path for designs migrating from older PIC16F84/PIC16F628-era boards.
کے لیے ڈراپ اِن متبادل PIC16LF818T-I/ML — 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/ML (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, Core Architecture, Operating Temperature, ADC, Timers.
PIC16LF818-I/ML
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LF818-I/SO
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LF819-I/ML
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LF818-I/SOTSL
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LF818T-I/ML
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LF818T-E/SO
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LF818T-I/ML زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core Architecture | PIC 8-bit Mid-Range (14-bit instruction, Harvard) |
| Family | PIC16F (LF = low-voltage variant) |
| Program Memory (Flash) | 1.75 KB (1K x 14) |
| Data Memory (SRAM) | 128 bytes |
| EEPROM | 128 bytes |
| Maximum CPU Frequency | 10 MHz |
| Operating Voltage (Vdd) | 2.0 V to 5.5 V |
| I/O Pins | 16 |
| ADC | 10-bit, up to 5 channels |
| Timers | Two 8-bit + one 16-bit |
| CCP Modules | 1 (Enhanced Capture/Compare/PWM) |
| Communication Peripherals | AUSART (RS-232/485), MSSP (SPI / I2C) |
| Internal Oscillator | 31 kHz LF + 8 MHz HF (factory calibrated) |
| پیکیج | 28-pin QFN (6 x 6 mm) with exposed pad |
| آپریٹنگ درجہ حرارت | -40 C to +85 C (Industrial) |
| ماؤنٹنگ ٹائپ | Surface Mount |
| MSL Sensitivity | MSL3 (per JEDEC J-STD-020) |
| RoHS اسٹیٹس | Compliant |
PIC16LF818T-I/ML پن کنفیگریشن
| پن 1 | RA0/AN0 — Digital I/O / analog input channel 0 |
| پن 2 | RA1/AN1 — Digital I/O / analog input channel 1 |
| پن 3 | RA2/AN2/CVREF — Digital I/O / analog input / comparator voltage reference |
| پن 4 | RA3/AN3/VREF+ — Digital I/O / analog input / ADC positive reference |
| پن 5 | RA4/AN4/T0CKI — Digital I/O / analog input / Timer0 clock input (open-drain) |
| پن 6 | RA5/MCLR/VPP — Master Clear (reset) / programming voltage input |
| پن 7 | RA6/OSC2/CLKOUT — Digital I/O / oscillator output / clock out |
| پن 8 | RA7/OSC1/CLKIN — Digital I/O / oscillator input / external clock in |
| پن 9 | Vss — Ground reference |
| پن 10 | RB0/INT — Digital I/O / external interrupt |
| پن 11 | RB1/AN5 — Digital I/O / analog input channel 5 |
| پن 12 | RB2 — Digital I/O |
| پن 13 | RB3/PGM — Digital I/O / LVP programming entry |
| پن 14 | RB4 — Digital I/O / interrupt-on-change |
| پن 15 | RB5 — Digital I/O / interrupt-on-change |
| پن 16 | RB6/PGC — Digital I/O / ICD clock / interrupt-on-change |
| پن 17 | RB7/PGD — Digital I/O / ICD data / interrupt-on-change |
| پن 18 | Vdd — Positive supply (2.0 V to 5.5 V) |
| پن 19 | Vss — Ground reference |
| پن 20 | RC0 — Digital I/O |
| پن 21 | RC1 — Digital I/O |
| پن 22 | RC2/CCP1 — Digital I/O / Enhanced CCP1 output |
| پن 23 | RC3 — Digital I/O |
| پن 24 | RC4 — Digital I/O |
| پن 25 | RC5 — Digital I/O |
| پن 26 | RC6/TX/CK — USART async TX / I2C clock |
| پن 27 | RC7/RX/DT — USART async RX / I2C data |
| پن 28 | EP — Exposed thermal pad - must be soldered to ground |
عام استعمالات
PIC16LF818T-I/ML کے لیے موزوں ہے 6 ایپلیکیشنs: Handheld Battery-Powered Instruments, Sensor Signal Conditioning Nodes, Low-Power Remote Controls, Battery Charger Control Loops, Small Motor-Drive Front Ends, IoT Edge Nodes with Deterministic Control.
Handheld Battery-Powered Instruments
The PIC16LF818T-I/ML suits handheld battery-powered instruments because it operates from 2.0 V to 5.5 V and ships with NanoWatt technology that drops quiescent current below 1 microamp in sleep mode. The 10-bit ADC with up to 5 channels digitizes sensor signals directly, while the 16 I/O lines drive LCD segments, keypads and status LEDs. The 28-QFN (6x6 mm) package keeps the board footprint small enough for pen-sized form factors, and the on-chip 31 kHz LF oscillator eliminates an external watch crystal in many designs, cutting BOM cost by USD 0.20 to 0.40 per unit.
تجویز کردہ
Sensor Signal Conditioning Nodes
The PIC16LF818T-I/ML is a strong fit for analog sensor signal-conditioning nodes that need on-chip ADC plus USART/SPI/I2C communication. Its 10-bit ADC at 5 channels delivers adequate resolution for thermocouple, thermistor and strain-gauge front ends after external amplification, and the 16 MIPS core computes linearization and averaging in real time. The 28-QFN EP package provides thermal headroom for sustained ADC sampling without derating, while 128 bytes of EEPROM stores calibration coefficients across power cycles.
تجویز کردہ
Low-Power Remote Controls
For IR/RF remote controls and wireless keyfobs, the PIC16LF818T-I/ML draws under 1 microamp in sleep and wakes in microseconds via the Watchdog Timer or external interrupt. The hardware USART plus MSSP block generates IR-modulated carrier patterns or drives an external 433/915 MHz transceiver without software bit-banging, and 1.75 KB of Flash holds a full RC5/RC6 or proprietary protocol stack. The exposed-pad QFN-28 package meets handheld drop-test requirements better than SOIC variants.
تجویز کردہ
Battery Charger Control Loops
The PIC16LF818T-I/ML closes the control loop on single-cell Li-ion / LiPo / NiMH chargers. Its 10-bit ADC monitors battery voltage and charge current at 1 ms cadence, while the Enhanced CCP module generates PWM for a synchronous buck or linear regulator pass element. The 16 MIPS core runs CC-CV profile state machines with thermal-foldback, and 128 bytes of EEPROM retains learned battery parameters through shipment and storage. The 2.0 V minimum Vdd allows direct connection to a single-cell pack without a separate LDO.
تجویز کردہ
Small Motor-Drive Front Ends
For brushed DC and small stepper motor front ends, the PIC16LF818T-I/ML provides the Enhanced CCP module for PWM generation up to 20 kHz, plus quadrature decoding for encoder feedback via the 16-bit timer. The 25 mA source/sink per pin can drive logic-level MOSFET gate drivers directly, eliminating a pre-driver stage. Hardware USART streams telemetry back to a host controller at 115.2 kbps while the on-chip ADC monitors motor current for stall detection.
تجویز کردہ
IoT Edge Nodes with Deterministic Control
The PIC16LF818T-I/ML targets low-cost IoT edge nodes where deterministic GPIO control, sub-microamp sleep, and a compact 6x6 mm QFN outweigh the need for 32-bit performance. The MSSP (SPI/I2C) interfaces to environmental sensors and an external radio module, while the USART links to a host gateway. The 14-bit Mid-Range core produces compact, predictable interrupt-service routines that fit in 1.75 KB Flash, and the 28-QFN footprint lets designers place the MCU on the back side of small sensor PCBs.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC16LF818T-I/ML — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC16LF818-I/ML | PIC16LF819-I/ML | PIC16LF818T-E/SO |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-QFN (6x6 mm) | 28-QFN (6x6 mm) - same | 28-QFN (6x6 mm) - same | 28-QFN family - same |
| Core | 8-bit Mid-Range (14-bit instr.) | 8-bit Mid-Range (14-bit instr.) | 8-bit Mid-Range (14-bit instr.) | 8-bit Mid-Range (14-bit instr.) |
| Max CPU Frequency | 10 MHz | 10 MHz | 10 MHz | 10 MHz |
| Program Flash | 1.75 KB | 1.75 KB | 3.5 KB (+100%) | 1.75 KB |
| SRAM | 128 B | 128 B | 128 B | 128 B |
| Operating Voltage | 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 |
| Operating Temperature | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) | -40 C to +125 C (Extended) |
اہم امتیازی خصوصیات
- Larger 3.5 KB Flash with identical 28-QFN footprint for future code growth (بمقابلہPIC16LF819-I/ML)
- Industrial -40 C to +85 C temperature range vs PIC16F818 at the same price tier (بمقابلہPIC16F818-I/ML)
- Extended -40 C to +125 C temperature option for automotive/industrial under-hood use (بمقابلہPIC16LF818T-E/SO)
ڈیزائن نوٹس
Decouple Vdd with a 100 nF ceramic capacitor placed within 5 mm of pin 18, and add a bulk 10 uF tantalum or aluminum polymer capacitor on the same rail. The PIC16LF818T-I/ML's NanoWatt sleep current is below 1 microamp only when the ADC, comparators, and peripherals are disabled; failing to clear the ADC ON bit (ADON) before SLP keeps the ADC bias running and inflates Iq by 100 to 200 microamps. Estimated: Iq sleep ~0.7 uA per manufacturer datasheet typical curves at 3 V.
The 28-QFN EP (exposed pad) MUST be soldered to a continuous ground pour that reaches at least 8 thermal vias (0.3 mm drill, 1 mm pitch) to the inner/ground plane. Without EP soldering, junction-to-ambient thermal resistance theta_JA can rise above 80 C/W and cause thermal shutdown at only 250 mW dissipation. For high-I/O-count designs, route PORTA/PORTB/RC traces on the top layer only and use the bottom layer as an uninterrupted ground plane to minimize EMI.
Do not leave MCLR (pin 6) floating; tie it to Vdd through a 10 kohm resistor and add a 100 nF cap to ground for noise immunity, otherwise spurious resets occur during power-ramp. PIC16LF818 LF variants require firmware configuration of the internal 31 kHz LF oscillator and the fail-safe clock monitor before relying on it as the system clock. The ICD/ICSP pins (RB6/RB7) must NOT be used as outputs driving LEDs without a series resistor, because LVP programming mode reclaims those pins at reset and can source/sink current unexpectedly.
تعمیل کی معلومات
RoHS and REACH compliant per Microchip product declaration. Not AEC-Q100 qualified; for automotive applications use the PIC16F818-E or PIC16F819-E variants.
