PIC10F220-E/P - 8-bit Flash MCU, 384B, 4 I/O, 8MHz | Microchip
MPN: PIC10F220-E/P ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.62 | $0.62 |
| 10 | $0.55 | $5.50 |
| 100 | $0.46 | $46.00 |
| 500 | $0.4 | $200.00 |
| 1,000 | $0.35 | $350.00 |
PIC10F220-E/P Overview
What is an 8-bit Flash microcontroller? An 8-bit Flash microcontroller is a small computer-on-a-chip built around an 8-bit data path, with non-volatile Flash program memory that can be re-written in-circuit. PIC microcontrollers occupy the microcontroller -> embedded controller -> semiconductor hypernym chain, and within that taxonomy the PIC10F family sits at the smallest, lowest-cost end for glue logic, timer, and simple analog sensing tasks.
Key features include 4 user-configurable I/O pins on an 8-pin DIP, an internal 8 MHz oscillator (no external crystal required), 16 bytes of RAM, and an analog comparator plus an 8-bit A/D converter. The PIC10F220 specifically omits the PWM output that the closely related PIC10F222 provides, keeping the die minimal for cost-sensitive applications. The device operates across 2.0V to 5.5V, supports in-circuit serial programming (ICSP), and offers a brown-out reset and power-on reset.
Architecturally, the PIC10F220 uses a Harvard RISC core with a 12-bit instruction word that achieves approximately 2:1 code compression versus typical 8-bit CISC alternatives. The integrated A/D converter samples up to 4 channels at 8-bit resolution, useful for direct sensor interfacing without external ADC chips. The wide operating voltage and low power make it a strong fit for battery and energy-harvesting designs.
Typical applications include low-cost logic replacement, simple sensor interfaces (temperature, light, voltage monitoring), battery chargers, LED drivers, consumer appliance control, and standalone timers. Designers value the 8-pin PDIP for breadboard-friendly prototyping and hand-soldered rework in low-volume products.
When designing with the PIC10F220-E/P, observe the 5.5V absolute maximum on VDD and ensure decoupling caps of 0.1 uF are placed as close to the supply pin as possible. Because only 4 I/O are available, pin function selection (digital I/O vs analog input vs reset) must be planned carefully during schematic capture.
This page combines datasheet specifications, real distributor pricing, verified drop-in alternatives (with same-brand PIC10F family variants prioritized), and practical design notes that go beyond what the manufacturer datasheet provides.
Drop-in alternatives for PIC10F220-E/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-E/P (same form factor and footprint) — differing in Package, I/O Pins, Timers, RoHS Status, Program Memory (Flash).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC10F220-I/P
✅ Drop-In✓ In Stock
$0.49 / Unit
View Datasheet →PIC10F222-I/P
✅ Drop-In📋 Reference alternative (not in catalog)
PIC10F200-E/P
✅ Drop-In✓ In Stock
$0.52 / Unit
View Datasheet →PIC10F202-E/P
✅ Drop-In✓ In Stock
$0.55 / Unit
View Datasheet →PIC10F220-E/P Maximum Ratings & Electrical Characteristics
| Program Memory Size | 384 B (256 x 12) Flash |
| RAM Size | 16 x 8 (16 bytes) |
| Number of I/O | 4 |
| CPU Speed | 8 MHz (4 MIPS via 4T internal clock) |
| A/D Converter | 8-bit, up to 4 channels |
| Oscillator Type | Internal |
| Supply Voltage (VDD) | 2.0 V to 5.5 V |
| Operating Temperature | -40 C to +125 C (Extended, -E suffix) |
| Instruction Set | 33 single-word/single-cycle RISC instructions (12-bit wide) |
| Package | 8-pin PDIP (P) |
| Mounting Type | Through-Hole |
| Comparator | 1 internal analog comparator |
| PWM Outputs | 0 (no PWM on PIC10F220; present on PIC10F222) |
| In-Circuit Programming | ICSP supported |
| Watchdog Timer | Yes |
| Power-on Reset / Brown-out Reset | Yes |
| RoHS Status | Compliant (lead-free matte-tin finish) |
| Programming Method | Flash (self-programmable under firmware control) |
PIC10F220-E/P Pin Configuration
| Pin 1 | GP3/MCLR/VPP — Digital I/O GP3 or Master Clear reset input (also ICSP programming voltage) |
| Pin 2 | VDD — Positive supply voltage, 2.0V to 5.5V |
| Pin 3 | GP2/AN2/T0CKI/FOSC4 — Digital I/O GP2, analog input AN2, Timer0 clock input, or Fosc/4 output |
| Pin 4 | GP1/AN1/ICSPCLK — Digital I/O GP1, analog input AN1, or ICSP clock |
| Pin 5 | GP0/AN0/ICSPDAT — Digital I/O GP0, analog input AN0, or ICSP data |
| Pin 6 | VSS — Ground reference |
| Pin 7 | NC — Not connected on PIC10F220 (used for CCP/PWM on PIC10F222) |
| Pin 8 | NC — Not connected on PIC10F220 (used for CCP/PWM on PIC10F222) |
Typical Applications
PIC10F220-E/P is suitable for 6 applications: Low-Cost Logic Replacement, Battery Sensor Interface, LED Driver / Blinker Module, Consumer Appliance Control, Toy and Hobby Electronics, Standalone Timer / Watchdog Module.
Low-Cost Logic Replacement
The PIC10F220-E/P excels at replacing discrete logic gates, 555 timers, and small PLAs in cost-sensitive designs where an MCU is cheaper than the discrete components it replaces. With 4 I/O pins, 384B Flash, and a 33-instruction RISC core, the PIC10F220 can encode a complete state machine in under 200 instructions, executing at 1 MIPS from its internal oscillator. Designers route each I/O as either input or output via the TRIS register, and the 2.0V-5.5V VDD range lets it drop into legacy 3.3V and 5V logic-replacement sockets without level shifters.
Recommended
Battery Sensor Interface
The PIC10F220-E/P's integrated 8-bit A/D converter with up to 4 analog input channels makes it well-suited to battery monitoring tasks: cell voltage, current shunt sensing, thermistor temperature, and battery-id resistor reading. The ADC completes a conversion in roughly 30 us at 8 MHz and draws less than 1 mA total active current, preserving battery life. Operating from 2.0V-5.5V covers single-cell lithium, two-cell alkaline, and 3.3V coin-cell systems. The 4-channel ADC lets one PIC10F220 monitor a multi-cell battery pack without external multiplexer chips.
Recommended
LED Driver / Blinker Module
In LED driver and blinker applications, the PIC10F220-E/P drives single LEDs or small RGB indicators using firmware-controlled PWM via timer0/1 in software, or it can directly switch LEDs through GP0-GP3 transistors for on/off blinking. While the PIC10F220 itself has no hardware PWM (only the PIC10F222 does), software PWM at low frequencies is easily generated. The 4 I/O pins support up to four LED channels or RGB plus status. Operating from 2.0V allows direct drive from coin cells for decorative lighting and wearable indicators.
Recommended
Consumer Appliance Control
The PIC10F220-E/P fits consumer appliance control tasks such as remote control signal decoding, simple timer functions, push-button input handling, and buzzer output. Its -40C to +125C extended temperature range suits kitchen, garage, and outdoor appliance environments, and the 5.5V maximum VDD tolerates rectified 5V wall-adapter rails. The internal comparator enables zero-crossing detection for TRIAC control in lamp dimmers and small motor speed controls. PIC heritage, mature toolchain, and global distributor stock make it a low-risk choice for mass-market consumer products.
Recommended
Toy and Hobby Electronics
Hobby and toy designs leverage the PIC10F220-E/P's ultra-low cost, breadboard-friendly 8-pin PDIP package, and easy-to-learn PIC assembly/Basic programming model. With 4 I/O and an internal oscillator, a working toy circuit needs only the chip, two bypass caps, and a battery. The 8-bit ADC handles simple light-sensor or sound-triggered reactions, while the comparator detects battery voltage thresholds for low-battery warnings. The 8-pin PDIP allows hand-soldering and socket-mounting for hobby kits and educational projects.
Recommended
Standalone Timer / Watchdog Module
The PIC10F220-E/P serves as a dedicated watchdog or timing module in larger systems, resetting a host processor if the host fails to toggle a watchdog pin within a configurable window. Its 4 I/O are sufficient for one watchdog output, one reset input, and one or two status LEDs. The internal oscillator eliminates external timing components, and the 2.0V-5.5V operating range matches common 3.3V and 5V host rails. This application leverages the brown-out reset and watchdog timer peripherals already integrated into the PIC10F220 silicon.
Recommended
Recommended Products Summary
Engineering reference data for PIC10F220-E/P — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC10F220-I/P | PIC10F222-I/P | PIC10F200-E/P | PIC10F202-E/P |
|---|---|---|---|---|---|
| Package | 8-pin PDIP (P) | 8-pin PDIP (P) - same | 8-pin PDIP (P) - same | 8-pin PDIP (P) - same | 8-pin PDIP (P) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Program Memory | 384 B | 384 B | 384 B | 384 B | 768 B |
| RAM Size | 16 B | 16 B | 16 B | 16 B | 24 B |
| A/D Converter | 8-bit, 4 channels | 8-bit, 4 channels | 8-bit, 4 channels | None | None |
| PWM Output | 0 channels | 0 channels | 1 channel (CCP/PWM) | 0 channels | 0 channels |
| CPU Speed | 8 MHz (1 MIPS) | 8 MHz (1 MIPS) | 8 MHz (1 MIPS) | 8 MHz (1 MIPS) | 8 MHz (1 MIPS) |
| Operating Temperature | -40 C to +125 C (Extended) | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) | -40 C to +125 C (Extended) | -40 C to +125 C (Extended) |
| Approx. Unit Price (qty 100) | $0.46 | $0.46 | $0.50 | $0.40 | $0.42 |
Key Differentiators
- Integrated 8-bit ADC with 4 channels in 8-pin package (vs PIC10F200-E/P)
- Higher temperature range than industrial grade (vs PIC10F220-I/P)
- Lower cost than PIC10F222 when PWM not required (vs PIC10F222-I/P)
Design Notes
Place a 0.1 uF ceramic decoupling capacitor as close as physically possible to the VDD pin (pin 2) of the PIC10F220-E/P, ideally within 2-3 mm. The internal oscillator generates switching noise that can couple into nearby analog inputs and degrade ADC accuracy. For designs where the ADC is used for low-noise sensing, add a 10 uF bulk capacitor on the VDD rail and consider a ferrite bead between digital and analog supplies if the board is shared with switching converters.
The PIC10F220 only exposes 4 user I/O, but pin 1 (GP3/MCLR) is input-only when configured as MCLR, and pins 4-5 (GP1/GP0) are shared with ICSP. Per datasheet DS-40001270F, leaving MCLR disabled and configuring all four pins as general-purpose I/O can cost ICSP functionality. For prototype and field-updateable designs, keep MCLR enabled and reserve at least GP0/GP1 for ICSP. Also note pins 7-8 are NC on PIC10F220; do not connect signal traces here or they will be left floating on the PIC10F220 variant.
The PIC10F220-E/P active current is roughly 350 uA at 5V/8 MHz and falls below 1 uA in sleep mode. For battery-powered designs, use sleep mode aggressively: wake on watchdog timeout or on GP port-change interrupt. Brown-out reset (BOR) should be enabled to prevent code corruption when VDD dips below 2.0V. Estimated: based on datasheet DC characteristics, average current in a duty-cycled 1% active duty cycle design is around 5-10 uA, suitable for CR2032 coin-cell operation in most sensor applications.
Keep analog input traces short and away from switching signals. GP0/GP1/GP2/GP3 serve dual roles as ADC inputs, so any digital noise on those pins shows up directly in ADC samples. If a mix of analog and digital I/O is needed, prefer GP3 (input-only, no ADC) for digital-only inputs and reserve GP0/GP1/GP2 for analog sampling. Ground should be a single solid plane on the bottom layer with vias stitching around the PIC10F220 footprint to minimize ground bounce during ADC conversions.
Compliance Information
RoHS-compliant lead-free matte-tin finish per Microchip product page. Not AEC-Q100 qualified; for automotive applications use PIC16F or PIC18F families with -Q1 suffix. Halogen-free status not explicitly stated in verified web data.
