PIC10F220-I/P - 8-bit MCU 384B Flash 8MHz | Microchip | DIP-8
MPN: PIC10F220-I/P ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.76 | $0.76 |
| 10 | $0.69 | $6.90 |
| 100 | $0.6 | $60.00 |
| 500 | $0.54 | $270.00 |
| 1,000 | $0.49 | $490.00 |
PIC10F220-I/P Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash/ROM), volatile data memory (RAM), and peripherals such as timers, ADC, communication interfaces, and GPIO onto one die. Microcontrollers sit at the bottom of the embedded compute hierarchy: microcontroller -> embedded processor -> microprocessor -> CPU, and within the 8-bit MCU category they include subfamilies such as PIC10, PIC12, PIC16, PIC18, and ATtiny/ATmega. The PIC10F220 belongs to the PIC10F 6-pin/8-pin ultra-small-footprint family, optimized for analog-intensive, cost-driven applications where every GPIO and PCB square millimeter matters.
Key features of the PIC10F220-I/P include an integrated 6-bit analog-to-digital converter (ADC), one 8-bit timer (TMR0), a watchdog timer with on-chip RC oscillator, power-on reset, in-circuit serial programming (ICSP), and an internal 4 MHz / 8 MHz oscillator that eliminates the need for an external crystal. The device supports a wide operating voltage range from 2.0V to 5.5V, making it compatible with both 3.3V and 5V rails common in consumer and industrial systems.
The 12-bit-wide instruction set is highly symmetrical, producing a typical 2:1 code compression compared with other 8-bit microcontrollers in its class, so application code fits in less Flash and requires fewer fetches. Combined with Harvard-style separate program and data buses, the device delivers deterministic single-cycle execution on most instructions, which simplifies real-time control loops.
Typical applications include appliance controls, LED driving, battery chargers, toys, simple sensor signal conditioning, and any cost-sensitive embedded system that needs an 8-bit brain in an 8-pin footprint. Engineers also deploy the PIC10F220 in auxiliary housekeeping roles where it acts as a power-sequence supervisor or PWM controller for a larger SoC.
When designing with this part, note that the 8-pin PDIP package makes hand-prototyping and breadboard-friendly rework easy. The device shares its instruction set with the broader PIC10/12/16 family, so code written for the PIC10F220 ports to larger PICs with minimal modification, and the ICSP interface allows firmware updates without removing the chip from the board.
This page synthesizes XAIPART pricing tiers, drop-in PIC10F2xx alternatives, and engineering design notes not found in the bare Microchip datasheet, giving buyers and embedded engineers a single decision-ready reference.
Drop-in alternatives for PIC10F220-I/P — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with PIC10F220-I/P (same form factor and footprint) — differing in Package, ADC, Timers, Core Architecture, Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC10F220-E/P
✅ Drop-In ⚠️ 参数待验证📋 Reference alternative (not in catalog)
PIC10F222-I/P
✅ Drop-In ⚠️ 参数待验证📋 Reference alternative (not in catalog)
PIC10F200-I/P
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$0.28 / Unit
View Datasheet →PIC10F206-I/P
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$0.48 / Unit
View Datasheet →PIC10F202-I/P
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$0.47 / Unit
View Datasheet →PIC12F508-I/P
✅ Drop-In ⚠️ 参数待验证📋 Reference alternative (not in catalog)
PIC10F220-I/P Maximum Ratings & Electrical Characteristics
| Core Architecture | 8-bit PIC RISC |
| Program Memory (Flash) | 384 B (256 x 12 words) |
| Data Memory (SRAM) | 16 B |
| CPU Speed | 8 MHz (1 µs instruction cycle) |
| Instruction Set Size | 33 single-word instructions |
| Operating Voltage Range | 2.0 V to 5.5 V |
| ADC | 6-bit, 2/3 channels |
| Timers | One 8-bit timer (TMR0) + WDT |
| Oscillator | Internal 4 MHz / 8 MHz (no external crystal required) |
| I/O Pins | 4 (GP0-GP3, multiplexed) |
| Package | 8-pin PDIP (P) |
| Mounting Type | Through-hole |
| Operating Temperature | -40 °C to +85 °C (industrial) |
| Programming Interface | ICSP (In-Circuit Serial Programming) |
| RoHS Status | Compliant (lead-free matte-tin) |
| Brown-out Reset | Yes |
| Power-on Reset | Yes |
PIC10F220-I/P Pin Configuration
| Pin 1 | GP0/AN0/ICSPDAT — GPIO 0 / ADC input 0 / ICSP data |
| Pin 2 | GP1/AN1/ICSPCLK — GPIO 1 / ADC input 1 / ICSP clock |
| Pin 3 | GP2/T0CKI/INT/COUT — GPIO 2 / Timer0 clock input / external interrupt / comparator output |
| Pin 4 | GP3/MCLR/VPP — GPIO 3 (input-only) / Master Clear reset / programming voltage |
| Pin 5 | NC — Not connected (per datasheet) |
| Pin 6 | VSS — Ground reference |
| Pin 7 | GP0 — GPIO 0 (alternate bond) |
| Pin 8 | VDD — Positive supply voltage (2.0 V to 5.5 V) |
Typical Applications
PIC10F220-I/P is suitable for 6 applications: Battery Charger Control, Appliance and White-Goods Control, Toy and Hobby Electronics, LED Lighting and Dimming, Sensor Signal Conditioning, Power-Supply Housekeeping Supervisor.
Battery Charger Control
The PIC10F220-I/P fits low-end battery charger controllers because its 6-bit ADC is sufficient to read battery voltage in 39 mV steps at a 5 V reference (5 V / 64), and its 2.0–5.5 V supply range covers single-cell Li-ion and multi-cell NiMH packs directly. The 8 MHz core executes a CC/CV charge algorithm in 1 µs per instruction, leaving ample headroom for PWM generation on GP2 while monitoring VDIV on AN0 via the on-chip ADC. Compared with a pure analog charger, the PIC10F220 adds programmable termination thresholds and battery-health telemetry at under $0.50 in volume.
Recommended
Appliance and White-Goods Control
In cost-sensitive appliance subsystems such as coffee makers, blenders, and air purifiers, the PIC10F220-I/P provides the minimum viable MCU: 4 GPIO for keypad/LED I/O, internal oscillator to avoid a $0.05 crystal, and the brown-out reset that prevents latch-up during brown-outs from the AC mains. The 384-byte Flash holds simple state machines for wash-cycle, brew-cycle, or fan-speed control, while the 6-bit ADC reads a potentiometer or thermistor for user input. Industrial temperature range (-40 to +85 °C) covers under-cabinet and behind-panel deployments.
Recommended
Toy and Hobby Electronics
The PIC10F220-I/P is widely used in sub-$10 toys, LED blinkers, and hobby kits because its 8-pin PDIP is breadboard-friendly and Microchip's MPLAB XC8 toolchain offers a free license tier for the PIC10 family. The internal 8 MHz oscillator keeps BOM count to one chip plus passives, while the 4 GPIO pins drive 2–4 LEDs with PWM via the TMR0 overflow interrupt. The 6-bit ADC reads IR receiver or LDR sensor signals for line-following robots and light-up wearables with under 50 lines of C code.
Recommended
LED Lighting and Dimming
The PIC10F220-I/P controls single-LED or multi-LED strings in decorative lighting, signage, and indicator modules where its 4 GPIO can drive MOSFETs directly through the internal weak pull-ups, and the TMR0 generates PWM dimming at frequencies above 100 Hz to avoid flicker. The 6-bit ADC accepts a 0–5 V analog dimming input from a potentiometer or a 0–10 V lighting control signal, while the wide 2.0–5.5 V supply range accommodates both USB-powered and 24 V bus-powered fixtures after a small LDO. The 384-byte Flash easily holds a logarithmic dimming curve.
Recommended
Sensor Signal Conditioning
The PIC10F220-I/P acts as a smart front-end for analog sensors such as thermistors, photocells, and gas-sense resistors, where its 6-bit ADC quantizes the sensor bridge, and the core applies linearization, thresholding, or alarm logic before signalling the host MCU via a single GPIO. Brown-out reset and watchdog timer guarantee the conditioning block recovers from voltage transients on long sensor cables in industrial plants. Operating from 2.0 V extends battery life in wireless sensor nodes by 30–50% versus 3.3 V-only MCUs.
Recommended
Power-Supply Housekeeping Supervisor
Beyond discrete supervisor ICs, the PIC10F220-I/P serves as a programmable housekeeping MCU in multi-rail power supplies, sequencing enable signals, monitoring rail voltages with the 6-bit ADC, and asserting PG (power-good) or RESET to the main SoC. Its 1 µs instruction cycle allows sequencing delays from 1 µs to several seconds by adjusting the TMR0 prescaler, and the internal oscillator eliminates the need for an external timing reference. Compared with a dedicated supervisor IC, this approach adds configurable thresholds and fault logging at marginal cost increase.
Recommended
Recommended Products Summary
Engineering reference data for PIC10F220-I/P — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC10F220-E/P | PIC10F222-I/P | PIC10F200-I/P | PIC10F206-I/P | PIC10F202-I/P | PIC12F508-I/P |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | PDIP-8 | PDIP-8 (same) | PDIP-8 (same) | PDIP-8 (same) | PDIP-8 (same) | PDIP-8 (same) | PDIP-8 (same) |
| Flash Memory | 384 B | 384 B (same) | 768 B (+100%) | 384 B (same) | 384 B (same) | 384 B (same) | 768 B (+100%) |
| SRAM | 16 B | 16 B (same) | 23 B (+44%) | 16 B (same) | 16 B (same) | 16 B (same) | 25 B (+56%) |
| ADC | 6-bit | 6-bit (same) | 6-bit (same) | None | Comparator instead | None | None |
| CPU Speed | 8 MHz | 8 MHz | 8 MHz | 4 MHz | 8 MHz | 4 MHz | 8 MHz |
| 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 | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V |
| GPIOs | 4 | 4 (same) | 4 (same) | 4 (same) | 4 (same) | 4 (same) | 6 (+50%) |
| Temperature Range | -40 °C to +85 °C | -40 °C to +125 °C (extended) | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C |
Key Differentiators
- Integrated 6-bit ADC in the lowest-cost 8-pin PIC10 footprint (vs PIC10F200-I/P)
- Same 8-pin PDIP footprint with double the Flash memory (vs PIC10F222-I/P)
- Industrial temperature range available in the same package (vs PIC10F220-E/P)
Design Notes
The PIC10F220-I/P operates from 2.0 V to 5.5 V and consumes approximately 1 mA active at 8 MHz / 5 V. Place a 0.1 µF ceramic decoupling capacitor as close as possible between VDD (pin 8) and VSS (pin 6) to suppress switching noise during GPIO transitions; an additional 10 µF bulk capacitor is recommended if the supply traces exceed 25 mm. The brown-out reset circuit holds the core in reset until VDD rises above the BOR threshold (~2.0 V), eliminating the need for an external reset IC in most cost-sensitive designs.
When laying out the 8-pin PDIP footprint, route the ICSP lines (ICSPDAT on pin 1, ICSPCLK on pin 2) with short traces to a 6-pin header placed at the board edge, keeping the traces below 50 mm to avoid programming failures. Connect the MCLR/VPP pin (pin 4) directly to VDD through a 10 kΩ pull-up resistor; do not place a capacitor on MCLR unless you intentionally slow the rise time for in-circuit programming sequencing. Keep analog inputs AN0/AN1 short and away from switching signals to preserve 6-bit ADC integrity.
Estimated: GP3 on the PIC10F220-I/P is input-only — do not configure it as an output in firmware, or the pin will not drive high. The 6-bit ADC on the PIC10F220 is shared with the comparator module on the PIC10F206, so the same source code compiled for a PIC10F220 will not run unchanged on a PIC10F206 even though the pinout matches. When migrating to PIC10F200 to save cost, verify that no firmware path reads the ADC result register ADRES; the register does not exist on the PIC10F200 and the read returns undefined values.
The internal 8 MHz oscillator of the PIC10F220-I/P is factory-calibrated to ±1% at 25 °C / 5 V but drifts up to ±5% across the full -40 °C to +85 °C industrial range. For UART bit-banged applications that demand tighter baud-rate accuracy, either calibrate the OSCTUNE register in firmware at production or use a 4 MHz operating mode where drift is roughly halved. Keep the device away from heat sources (>50 mm) on the PCB to minimize temperature-induced oscillator drift in time-sensitive designs.
Compliance Information
RoHS compliant per Microchip product page; lead-free matte-tin finish. Not AEC-Q100 qualified — for automotive deployments use PIC10F220-E/P (extended temperature) or contact Microchip for AEC-Q100 screening. Halogen-free per Microchip environmental compliance documentation.
