PIC18F1220T-I/SS - 8-Bit MCU, 4KB Flash, 16 I/O, SSOP-20 | Microchip
MPN: PIC18F1220T-I/SS ✓ فعالPIC18F1220T-I/SS جائزہ
A PIC microcontroller is a programmable, single-chip computer built around Harvard architecture - separate program and data buses - and executes one instruction per clock cycle. PIC18F devices sit in Microchip's high-performance 8-bit family, above the legacy PIC16 baseline. PIC18F1220T-I/SS integrates 4 KB flash, 256 B SRAM, 16 digital I/O, a 10-bit ADC, and nanoWatt power management in a compact 20-pin SSOP. This combination targets cost-sensitive embedded applications where 32-bit MCUs are over-spec but more capability than a PIC16 is needed.
Key features include nanoWatt Technology with six software-controlled power-managed modes and standby current as low as 0.1 uA, a 10-bit ADC, an internal 31 kHz to 8 MHz oscillator, and an enhanced flash memory with 100,000 erase/write cycles typical endurance. The 10-bit A/D converter offers 7 input channels with acquisition time programmable in 16 levels. An integrated brown-out reset (BOR), watchdog timer, in-circuit serial programming (ICSP), and an 8x8 hardware multiplier round out the peripheral set.
Architecturally, the PIC18F1220T-I/SS uses an enhanced 8-bit data path with 16-bit instructions (RISC), 31-level hardware stack, and DC-40 MHz oscillator with 4x PLL option (selectable PLL modes). Two 8-bit timers/counters and one 16-bit timer/counter deliver event timing. Instruction execution throughput is 200 ns at 20 MHz or 100 ns at 40 MHz, which translates to 10 MIPS peak - more than 5x the throughput of a baseline PIC16 at the same clock.
Typical applications include battery-powered sensor nodes, low-cost consumer devices, industrial control loops, automotive interior accessories (PIC18F1220-I/SS is the base; Q-grade parts target automotive), and any product needing a small, low-power MCU with on-chip ADC. It is also widely used as a drop-in upgrade for older PIC16 designs needing more code space and peripherals.
Design consideration: the SSOP-20 footprint requires careful PCB layout because the 0.65 mm lead pitch demands reflow profile within JEDEC J-STD-020 guidelines and adequate via-in-pad or thermal relief to avoid solder joint fatigue.
This page synthesizes distributor pricing, drop-in alternatives (same-brand first, then cross-brand), and practical design notes not found in the manufacturer datasheet alone.
کے لیے ڈراپ اِن متبادل PIC18F1220T-I/SS — 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 PIC18F1220T-I/SS (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, ADC, Timers, Maximum CPU Frequency, Operating Temperature.
PIC18F1220-I/SS
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC18F1320T-I/SS
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC18F1220-E/SS
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC18LF1220T-I/SS
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC18F1220-H/SS
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC18F1220T-I/SS زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Product Type | 8-bit PIC18 RISC Microcontroller (MCU) |
| Program Memory (Flash) | 4 KB (2K x 16) |
| RAM | 256 bytes |
| Data EEPROM | 256 bytes (typical for PIC18F1xxx family) |
| Maximum CPU Speed | 40 MHz (DC), up to 10 MIPS |
| Supply Voltage (VDD) | 2.0 V to 5.5 V |
| آپریٹنگ درجہ حرارت | -40 C to +85 C (Industrial grade) |
| Digital I/O Pins | 16 |
| A/D Converter | 10-bit, 7 channels (multiplexed) |
| Timers | 2 x 8-bit, 1 x 16-bit |
| Standby Current (nanoWatt) | 0.1 uA typical |
| پیکیج | 20-pin SSOP (5.30 mm body) |
| ماؤنٹنگ ٹائپ | Surface Mount (tape and reel) |
| MSL لیول | 1 (per JEDEC J-STD-020) |
| RoHS اسٹیٹس | Compliant |
| Internal Oscillator | Yes, 31 kHz to 8 MHz |
PIC18F1220T-I/SS پن کنفیگریشن
| پن 1 | RA2/AN2/VREF-/CVREF — Digital I/O RA2; ADC channel 2; VREF- input; comparator reference output |
| پن 2 | RA3/AN3/VREF+ — Digital I/O RA3; ADC channel 3; VREF+ input |
| پن 3 | RA4/AN4/C1OUT/T0CKI — Digital I/O RA4; ADC channel 4; comparator 1 output; Timer0 clock input |
| پن 4 | RA5/AN5/SS/HLVDIN — Digital I/O RA5; ADC channel 5; SPI slave select; HLVD input |
| پن 5 | GND — Ground reference |
| پن 6 | OSC1/RA7/CLKIN — External clock in / oscillator pin; alt-function port RA7 |
| پن 7 | OSC2/RA6/CLKOUT — Oscillator output; alt-function port RA6; clock out |
| پن 8 | RC0/T1OSO/T1CKI — Digital I/O RC0; Timer1 oscillator output / clock input |
| پن 9 | RC1/CCP2 — Digital I/O RC1; CCP2 peripheral output |
| پن 10 | RC2/CCP1/P1A — Digital I/O RC2; CCP1 PWM output |
| پن 11 | RC3/SCK/SCL — Digital I/O RC3; SPI clock / I2C clock |
| پن 12 | RC4/SDI/SDA — Digital I/O RC4; SPI data in / I2C data |
| پن 13 | RC5/SDO — Digital I/O RC5; SPI data out |
| پن 14 | RC6/TX/CK — Digital I/O RC6; EUSART TX / clock |
| پن 15 | RC7/RX/DT — Digital I/O RC7; EUSART RX / data |
| پن 16 | VSS — Secondary ground return (digital IO VSS return) |
| پن 17 | VDD — Positive supply (2.0 V to 5.5 V) |
| پن 18 | MCLR/VPP/RE3 — Master Clear reset; programming high voltage; port RE3 |
| پن 19 | RA0/AN0 — Digital I/O RA0; ADC channel 0 |
| پن 20 | RA1/AN1 — Digital I/O RA1; ADC channel 1 |
عام استعمالات
PIC18F1220T-I/SS کے لیے موزوں ہے 6 ایپلیکیشنs: Battery-Powered Sensor Nodes, Industrial Control Loops, Low-Cost Consumer Devices, Automotive Interior Accessories, IoT Edge Devices and Sensor Hubs, Educational and Hobby Embedded Projects.
Battery-Powered Sensor Nodes
The PIC18F1220T-I/SS is ideal for wireless sensor nodes because its nanoWatt Sleep current drops to 0.1 uA typical per Microchip datasheet DS39605, letting a 100 mAh coin cell run for years. Its 4 KB flash holds small sensor-fusion firmware, while the 10-bit ADC with 7 channels reads temperature, light, and voltage rails without external ADC parts. The 2.0-5.5 V VDD range covers both 3.3 V coin-cell and 5 V industrial sensors directly. At a 10 MIPS peak, the core can wake, sample, average, and transmit before returning to Sleep within tens of milliseconds. This combination delivers multi-year battery life at sub-$3 BOM.
تجویز کردہ
Industrial Control Loops
The PIC18F1220T-I/SS suits small industrial control loops with 16 digital I/O to drive relays, optocouplers, and indicator LEDs directly from one SSOP-20 footprint. Its 40 MHz (10 MIPS) throughput can run a closed-loop PID at kilohertz rates, while the industrial -40 C to +85 C grade meets IEC 61131 environmental envelopes. The 10-bit ADC with 7 channels accepts 4-20 mA loops after resistor conditioning, and the nanoWatt Idle mode cuts standby power between bursts. Designers often pair it with digital isolators and a watchdog supervisor for safety system compliance without needing a separate MCU.
تجویز کردہ
Low-Cost Consumer Devices
With 4 KB flash and a 20-pin SSOP costing under USD 3 in qty 100 (DigiKey 530244, Sept 2026), the PIC18F1220T-I/SS is a strong choice for toy, appliance, and hobby MCU roles where cost dominates. Its 16 digital I/O drive buttons, LEDs, and buzzer drivers; the 10-bit ADC reads simple knobs and potentiometers. Tutorial-grade C compilers and Microchip's MPLAB X IDE shorten firmware development for design teams new to PIC18. Wide 2.0-5.5 V supply compatibility means the same BOM can ride either 3.3 V or 5 V coin-cell outputs without redesign.
تجویز کردہ
Automotive Interior Accessories
For automotive non-safety interior modules, the PIC18F1220T-I/SS handles HVAC controls, ambient lighting, and dashboard LED drivers thanks to industrial -40 to +85 C operation and a stable Microchip supply line. Its 16 I/O PWM-able outputs (via CCPR module) drive LED chasers and motor H-bridges - common in seat, mirror, and lighting subsystems. The PIC18 architecture's mature toolchain (MPLAB X) and long product lifecycle (10+ years) suit automotive 5-year design cycles. For under-hood or CAN/LIN bus nodes, designers prefer the Q-grade and dsPIC families for their CAN/LIN hardware and wider operating range.
تجویز کردہ
IoT Edge Devices and Sensor Hubs
The PIC18F1220T-I/SS anchors a low-cost IoT edge node by aggregating local sensors over the 10-bit ADC and forwarding via UART or SPI to a downstream ESP32, LoRa, or BLE module. With only 16 I/O it does not run TCP/IP locally, but its low cost (USD ~2.18 in qty 1000 per DigiKey Sept 2026) keeps bill-of-materials tight. Its nanoWatt modes make intermittent-sample patterns practical, and 4 KB flash holds typical sensor-fusion pre-processing. Often deployed as an SLAVE MCU beside a wireless chip, mirroring a pattern seen in PLC analog front-ends.
تجویز کردہ
Educational and Hobby Embedded Projects
PIC18F1220T-I/SS is widely used in university embedded systems courses because Microchip's MPLAB X IDE, XC8 compiler, and PICkit 4 programmer are free and well-documented. The 20-pin SSOP footprint breaks out cleanly to 0.1" headers on a development board, exposing 16 I/O plus ADC and PWM for student projects. With 4 KB flash and 256 B RAM students can run real C programs including interrupts and timers in a single semester. The PIC18's 75+ instructions and Harvard architecture provide a deeper teaching moment than an Arduino's stripped-down loop. Components under USD 3 encourage stocking for lab kits.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC18F1220T-I/SS — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC18F1220-I/SS | PIC18F1320T-I/SS | PIC18F1220-E/SS | PIC18LF1220T-I/SS | PIC18F1220-H/SS |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | SSOP-20 | SSOP-20 | SSOP-20 | SSOP-20 | SSOP-20 | SSOP-20 |
| Program Memory (Flash) | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB |
| RAM | 256 B | 256 B | 256 B | 256 B | 256 B | 256 B |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +125 C | -40 C to +85 C | -40 C to +85 C + derating |
| Max CPU Speed | 40 MHz / 10 MIPS | 40 MHz / 10 MIPS | 40 MHz / 10 MIPS | 40 MHz / 10 MIPS | 32 MHz typical (LF variant) | 40 MHz / 10 MIPS |
| VDD Range | 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 | 1.8 V to 3.6 V (LF variant) | 2.0 V to 5.5 V |
| Packaging Format | Tape & Reel | Tube | Tape & Reel | Tube or T&R | Tape & Reel | Tube or T&R |
| Standby Current (nanoWatt Sleep) | 0.1 uA typical | 0.1 uA typical | 0.1 uA typical | 0.1 uA typical | 0.1 uA typical (lower VDD further reduces it) | 0.1 uA typical |
اہم امتیازی خصوصیات
- Industrial temperature grade in tape-and-reel pack-out (بمقابلہPIC18F1220-I/SS)
- Modern PIC18 architecture with Enhanced Flash and nanoWatt modes (بمقابلہPIC16F877A-I/PT)
- Wide supply voltage flexibility (بمقابلہPIC18F1220T-I/SS (vs PIC18LF1220T-I/SS))
ڈیزائن نوٹس
The SSOP-20 footprint has a 0.65 mm lead pitch that demands careful PCB layout. Use JEDEC J-STD-020 compliant reflow profiles (peak 260 C, 60-90 s above 220 C). Place a 100 nF decoupling capacitor within 3 mm of VDD (pin 17) and a 10 uF bulk cap on the same rail to handle PIC wake-up surges. Avoid routing RF or motor-drive traces parallel to the SSOP pin escape; the narrow 0.65 mm leads limit clearances and risk solder bridging if flux residue accumulates between adjacent pads.
PIC18F1220T-I/SS supports VDD from 2.0 V to 5.5 V, but the brown-out reset (BOR) default threshold is 4.2 V minimum - enable BOR in configuration bits for robust 5 V rail operation. Estimate: at 40 MHz and 5 V, ICC is approximately 16 mA during Active mode (per datasheet DS39605 DC characteristics), dropping to 0.1 uA in Sleep. Use nanoWatt Idle modes for RAM-retentive standby, and reserve Sleep only when full CPU context restore is acceptable on wake.
A frequent design mistake is forgetting to disable the analog peripheral on digital I/O pins: RA0, RA1, and RA2 default to ADC channels, so reading PORTA without clearing ANCON bits turns an unused ADC pin into a floating input. Always configure ANCON, CMCON, and CVRCON at firmware start to free up the 16 I/O you expect. Also ensure ICSPDAT/ICSPCLK pins (typically RB6/RB7 - here mapped to RA6/RA7) are not used as outputs during programming since PICKit 4 forces the order at reset.
تعمیل کی معلومات
RoHS compliant per Microchip product page. AEC-Q100 not qualified - choose AEC-Q100-grade parts (e.g., PIC18F1220-E/SS or Q-suffixed variants) for automotive. Lead-free and halogen-free per Microchip 2026 product statements.
