PIC10F220-E/MC - 8-bit Flash MCU, 384B, 8MHz, 8-DFN | Microchip
MPN: PIC10F220-E/MC ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.92 | $0.92 |
| 10 | $0.83 | $8.30 |
| 100 | $0.74 | $74.00 |
| 500 | $0.62 | $310.00 |
| 1,000 | $0.53 | $530.00 |
PIC10F220-E/MC Overview
What is a microcontroller? A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), data memory (RAM), and one or more peripherals such as ADCs, timers, and communication interfaces. Within the broader hierarchy, the PIC10F220 belongs to the 8-bit MCU class, sits under the Microchip PIC10F family, and ultimately falls under embedded microcontrollers -> integrated circuits. Its 6-pin I/O capability makes it one of the smallest general-purpose Flash MCUs available.
Key features include ultra-low-power operation with typical sleep current in the nanoampere range, an internal 8 MHz oscillator with calibration, an 8-bit timer/counter (TMR0) with a programmable prescaler, and a 12-bit ADC with up to 4 input channels multiplexed onto shared package pins. The wide 2.0 V to 5.5 V operating range supports battery-powered designs including single-cell Li-ion, two-cell AA, and 3.3 V regulated rails. A factory calibrated internal oscillator eliminates the need for an external resonator, saving both BOM cost and PCB area.
Architecturally, the PIC10F220 uses a Harvard RISC core with separate program and data buses, single-cycle instruction execution (except program branches), and a 12-bit wide instruction word that achieves roughly 2:1 code compression versus typical 8-bit CISC architectures. The integrated 12-bit ADC provides finer resolution than the 8-bit ADCs found on many entry-level MCUs, making the device well-suited to sensor conditioning tasks where quantization error must be minimized.
Typical applications include low-cost battery-powered sensor nodes, single-channel LED drivers, fan/relay controllers, toy electronics, smart cable replacements, wearable accessories, and cost-sensitive consumer white goods. Designers should pay particular attention to the 8-pin DFN exposed-pad requirement - the thermal pad must be soldered to the board ground pour to meet the package thermal and electrical ratings, and a minimum of 0.1 uF Vdd decoupling must be placed within a few millimetres of the supply pin.
This page synthesizes distributor pricing, parametric comparison data, drop-in alternatives, and practical design notes that are not consolidated in the manufacturer datasheet. Information is current as of 2026-09-14.
Drop-in alternatives for PIC10F220-E/MC — 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-E/MC (same form factor and footprint) — differing in Internal Oscillator, Package, I/O Pins, Timers, Instruction Set.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC10F222-I/MC
✅ Drop-In✓ In Stock
$0.62 / Unit
View Datasheet →PIC10F220T-I/MC
✅ Drop-In✓ In Stock
$0.36 / Unit
View Datasheet →PIC10F220-E/P
✅ Drop-In✓ In Stock
$0.35 / Unit
View Datasheet →PIC10F222-E/MC
✅ Drop-In✓ In Stock
$0.46 / Unit
View Datasheet →PIC10F200-E/MC
✅ Drop-In✓ In Stock
$0.52 / Unit
View Datasheet →PIC10F202-E/MC
✅ Drop-In📋 Reference alternative (not in catalog)
PIC10F220-E/MC Maximum Ratings & Electrical Characteristics
| Architecture | 8-bit RISC (Harvard) |
| Instruction Set | 33 single-word instructions, 12-bit wide |
| Program Memory (Flash) | 384 bytes (256 x 12 words) |
| Data RAM | 16 bytes |
| Data EEPROM | Not present |
| Maximum CPU Frequency | 8 MHz |
| MIPS Performance | 1 MIPS @ 4 MHz |
| Internal Oscillator | 8 MHz, factory calibrated |
| Operating Voltage (Vdd) | 2.0 V to 5.5 V |
| I/O Pins | 4 (GP0, GP1, GP2, GP3) |
| Analog-to-Digital Converter | 12-bit, up to 4 channels |
| Timers | 1 x 8-bit (TMR0 with prescaler) |
| Package | 8-pin DFN (2x3 mm) with exposed pad |
| Mounting Type | Surface Mount |
| Operating Temperature Range | -40 C to +125 C (E = Extended) |
| MSL Level | 1 |
| RoHS Status | Compliant |
PIC10F220-E/MC Pin Configuration
| Pin 1 | GP3/MCLR/Vpp — Digital I/O GP3, Master Clear reset input, or programming voltage |
| Pin 2 | VDD — Positive supply voltage (2.0 V to 5.5 V) |
| Pin 3 | GP2/T0CKI/AN2/FOSC4 — Digital I/O GP2, Timer0 clock input, ADC channel 2, or FOSC/4 output |
| Pin 4 | GP1/ICSPCLK/AN1/INT/Vref — Digital I/O GP1, ICSP clock, ADC channel 1, external interrupt, or ADC Vref |
| Pin 5 | GP0/ICSPDAT/AN0 — Digital I/O GP0, ICSP data, or ADC channel 0 |
| Pin 6 | VSS — Ground reference |
| Pin 7 | GP4/AN3 — Digital I/O GP4 or ADC channel 3 |
| Pin 8 | EP — Exposed thermal pad; must be soldered to VSS ground pour |
Typical Applications
PIC10F220-E/MC is suitable for 6 applications: Battery-Powered Sensor Node, LED Lighting Controller, Toy and Hobby Electronics, Smart Cable and Dongle, Fan and Relay Speed Controller, Wearable Accessory Controller.
Battery-Powered Sensor Node
The PIC10F220-E/MC suits single-cell battery sensor nodes thanks to its 2.0 V to 5.5 V operating range, factory calibrated 8 MHz internal oscillator (no external crystal needed), and 12-bit ADC with up to 4 channels. The 12-bit ADC provides 4x finer resolution than 8-bit alternatives, enabling precise thermistor or photocell measurements for HVAC and environmental monitoring. Its 384B Flash accommodates small C-based state machines while 16B RAM handles short averaging buffers; this MCU drops below 1 uA sleep current for years of life from a CR2032 cell. Place a 0.1 uF decoupling capacitor within 5 mm of Vdd, and connect the DFN exposed pad to a continuous ground pour.
Recommended
LED Lighting Controller
For single-channel LED drivers and accent lighting, the PIC10F220-E/MC delivers just enough compute and I/O to drive MOSFET switches via PWM-emulated timer toggling. The 8 MHz instruction rate allows 10-bit equivalent PWM dimming using software oversampling, while the 2.0 V to 5.5 V range covers both Li-ion and 5 V USB-powered fixtures. Designers commonly drive a logic-level N-MOSFET such as the BSS138 from one of the four GPIO pins to switch LED strings. Pin 1 (GP3/MCLR) doubles as a reset and as a digital input for a tactile button, reducing external components.
Recommended
Toy and Hobby Electronics
Cost-sensitive toy designs benefit from the PIC10F220-E/MC's sub-$1 pricing in low volumes and tiny 8-pin DFN footprint, which drops onto boards as small as 10x10 mm. The Flash-based memory supports easy in-line firmware updates via ICSP, accelerating mass production. The 12-bit ADC can read potentiometers for throttle or volume inputs, while the timer can drive small hobby servos or audio buzzers at refresh rates up to 50 Hz. Combined with the 2.0 V minimum Vdd, the MCU runs directly from two AA cells without a boost converter.
Recommended
Smart Cable and Dongle
The PIC10F220-E/MC's combination of small footprint, low quiescent current, and built-in 12-bit ADC is well-matched to smart cable adapters, dongles, and inline protocol translators. Four GPIO pins can implement simple half-duplex protocols or drive status LEDs. The wide supply range accepts power from USB 5 V or 3.3 V host rails without level shifting. Flash programming through the single-wire ICSP interface (ICSPDAT on GP0) leaves GP3, GP1, and GP2 free for application I/O even during firmware updates.
Recommended
Fan and Relay Speed Controller
Small fan and relay controllers using the PIC10F220-E/MC leverage its 8-bit timer TMR0 to generate PWM or variable-frequency drive signals for brushless DC fans or solid-state relays. The 12-bit ADC reads tachometer feedback or thermistor inputs for closed-loop control, while the 5.5 V maximum Vdd tolerates rectified 5 V supplies. The exposed-pad 8-DFN package simplifies reflow assembly, and the -40 C to +125 C extended temperature grade supports under-hood automotive and industrial environments.
Recommended
Wearable Accessory Controller
Wearable devices such as fitness bands, novelty jewelry, and clip-on indicators can use the PIC10F220-E/MC as a low-power co-processor to drive LEDs, read capacitive touch via the ADC, and wake a host via interrupt. Its 8-pin DFN (2x3 mm) footprint occupies less than 6 mm squared of board area, leaving room for tiny Li-Po cells and BLE modules. Nanoamp-level sleep current extends battery life to months in always-on wearables, and the wide 2.0 V to 5.5 V supply range supports direct Li-Po operation.
Recommended
Recommended Products Summary
Engineering reference data for PIC10F220-E/MC — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC10F222-I/MC | PIC10F220T-I/MC | PIC10F220-E/P | PIC10F222-E/MC | PIC10F200-E/MC | PIC10F202-E/MC |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 8-pin DFN (2x3 mm) | 8-pin DFN (2x3 mm) - same | 8-pin DFN (2x3 mm) - same | 8-pin PDIP (300 mil) | 8-pin DFN (2x3 mm) - same | 8-pin DFN (2x3 mm) - same | 8-pin DFN (2x3 mm) - same |
| Program Memory (Flash) | 384 bytes | 768 bytes | 384 bytes | 384 bytes | 768 bytes | 256 bytes | 512 bytes |
| Data RAM | 16 bytes | 41 bytes | 16 bytes | 16 bytes | 41 bytes | 16 bytes | 24 bytes |
| ADC Resolution | 12-bit | 8-bit (A/D on PIC10F222 is 8-bit) | 12-bit | 12-bit | 8-bit | Comparator only | Comparator only |
| Maximum Clock Frequency | 8 MHz | 8 MHz | 8 MHz | 8 MHz | 8 MHz | 4 MHz | 4 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 |
| Temperature Grade | Extended -40C to +125C | Industrial -40C to +85C | Industrial -40C to +85C | Extended -40C to +125C | Extended -40C to +125C | Extended -40C to +125C | Extended -40C to +125C |
Key Differentiators
- Integrated 12-bit ADC with up to 4 channels (vs PIC10F200-E/MC)
- Same 8-pin DFN footprint as PIC10F222 for memory upgrades (vs PIC10F222-E/MC)
- Extended -40C to +125C temperature grade vs I-grade siblings (vs PIC10F220T-I/MC)
Design Notes
Estimated: When laying out the 8-pin DFN (2x3 mm) footprint for the PIC10F220-E/MC, allocate a continuous ground pour under the exposed thermal pad (EP, pin 8) and stitch it to the system ground plane with at least four thermal vias. The exposed pad is the primary heat-dissipation path and must be soldered to meet both thermal and electrical ratings per Microchip datasheet DS40001270F. Place a 0.1 uF X7R decoupling capacitor within 5 mm of the Vdd pin (pin 2) and route Vdd/Vss traces at least 0.2 mm wide.
The PIC10F220-E/MC supports a wide 2.0 V to 5.5 V supply range, allowing direct operation from single-cell Li-ion (3.0-4.2 V) or two-cell alkaline/AA packs. For battery-powered designs, leverage the Sleep mode with the internal oscillator disabled to drop quiescent current into the nanoampere range; wake-up can be triggered by a Watchdog Timer overflow or an external interrupt on GP1/INT (pin 4). Use the internal 8 MHz oscillator rather than an external crystal to save two pins and reduce BOM cost.
Do not leave the MCLR/GP3 pin (pin 1) floating in production designs - it functions as Master Clear reset and must be pulled high through a 10 kohm resistor to Vdd, otherwise spurious resets may occur. The GP3 pin is input-only, so do not configure it as an output in firmware. When migrating code from PIC10F200 to PIC10F220, remember that the ADC channel count and the comparator module differ; recompile against the PIC10F220 header file to avoid undefined register bits. Finally, never exceed the absolute maximum rating of 6.5 V on Vdd to prevent latch-up.
Compliance Information
RoHS compliant per DigiKey product page. Not AEC-Q100 qualified - choose AEC-Q100 grade PIC parts (e.g., PIC16F or PIC24 family) for automotive. Halogen-free status not explicitly listed in the verified data.