PIC10F220-E/OT - 8-bit MCU, 384B Flash, 4 I/O, SOT-23-6 | Microchip
MPN: PIC10F220-E/OT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.84 | $0.84 |
| 10 | $0.76 | $7.60 |
| 100 | $0.65 | $65.00 |
| 500 | $0.55 | $275.00 |
| 1,000 | $0.47 | $470.00 |
PIC10F220-E/OT Overview
An 8-bit microcontroller (MCU) is a small computer-on-a-chip that integrates a CPU, program memory (Flash/ROM), data memory (RAM), and peripherals on a single die. It belongs to the broader hierarchy of microcontrollers -> embedded controllers -> processors -> semiconductors. The PIC10F220 specifically sits at the entry level of the PIC® 10F family, the smallest-footprint 8-bit MCUs from Microchip, designed for cost- and space-constrained applications that still need Flash programmability and an analog-to-digital converter (ADC).
Key features include RISC architecture with 33 single-word/single-cycle instructions (single-cycle execution at 1 µs except branches, which take two cycles), 12-bit wide instructions delivering roughly 2:1 code compression versus competing 8-bit MCUs, and an internal 8 MHz oscillator. The device integrates a small set of peripherals tuned for glue-logic replacement, including an 8-bit ADC and comparators. The SOT-23-6 footprint measures approximately 2.9 mm x 1.6 mm, enabling placement where even a SOIC-8 cannot fit.
Technically, the PIC10F220 uses a Harvard architecture with separate program and data buses, which is why the Flash word is 12 bits wide (instruction-aligned) while the RAM is 8 bits wide (data-aligned). The internal 8 MHz oscillator is factory-trimmed, removing the need for an external crystal and reducing BOM cost. The 4 I/O pins are multiplexed with VDD, VSS, GP3 (input-only), and the ADC/comparator inputs, requiring careful pin assignment at firmware level.
Typical applications include low-cost logic replacement in consumer and appliance products, LED blinkers and indicator controllers, battery chargers, simple sensor interfaces, and personal-care devices. The combination of Flash memory, an internal oscillator, and an SOT-23-6 footprint makes the part attractive for high-volume products where every square millimeter of PCB matters.
A key design consideration is that this -E variant operates across the -40 °C to +125 °C extended temperature range. The 4 I/O limit means GPIO-heavy tasks are out of scope, and the 384B Flash budget constrains application complexity. The PIC10F322 is the recommended migration path when more memory or peripherals are needed.
This page consolidates distributor pricing, drop-in alternatives, and practical design notes that are not assembled in the manufacturer datasheet alone.
Drop-in alternatives for PIC10F220-E/OT — 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/OT (same form factor and footprint) — differing in ADC, Core Architecture, Program Memory (Flash), Programming Interface, Timers.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC10F222T-E/OT
✅ Drop-In✓ In Stock
$0.83 / Unit
View Datasheet →PIC10F220T-E/OT
✅ Drop-In✓ In Stock
$0.4 / Unit
View Datasheet →PIC10F320T-I/OT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC10F322T-I/OT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC10F200T-E/OT
✅ Drop-In✓ In Stock
$0.36 / Unit
View Datasheet →PIC10F204T-E/OT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC10F220-E/OT Maximum Ratings & Electrical Characteristics
| Core Architecture | 8-bit PIC (RISC, Harvard) |
| Program Memory | 384B (256 x 12) Flash |
| RAM Size | 16 x 8 bytes |
| Number of I/O Pins | 4 |
| CPU Speed (Max) | 8 MHz |
| Instruction Set | 33 single-word instructions, 12-bit wide |
| Instruction Cycle | 1 µs (single-cycle) |
| Oscillator Type | Internal (factory-trimmed) |
| ADC | 8-bit |
| Package / Case | SOT-23-6 |
| Mounting Type | Surface Mount |
| Operating Temperature Range | -40 °C to +125 °C (Extended, "E") |
| RoHS Status | Compliant |
| Lead-Free | Yes |
| Series | PIC® 10F |
| Family | PIC10F220/222 |
| Programming Interface | ICSP |
| Recommended Migration | PIC10F322 |
PIC10F220-E/OT Pin Configuration
| Pin 1 | VDD — Positive supply voltage |
| Pin 2 | GP5/CLKIN/OSC1 — General-purpose I/O / external clock input / oscillator |
| Pin 3 | GP4/AN3/CLKOUT/OSC2 — General-purpose I/O / analog input / clock output / oscillator |
| Pin 4 | VSS — Ground reference |
| Pin 5 | GP3/MCLR/VPP — General-purpose input (input-only) / Master Clear reset / programming voltage |
| Pin 6 | GP2/AN2/T0CKI/ICSPCLK — General-purpose I/O / analog input / Timer0 clock / ICSP clock |
Typical Applications
PIC10F220-E/OT is suitable for 6 applications: Glue-Logic Replacement, LED Blinker and Indicator Controller, Simple Sensor Interface, Battery Charger Control, Personal Care and Appliance Controllers, Industrial Sensor Tagging.
Glue-Logic Replacement
The PIC10F220-E/OT fits glue-logic replacement because it packs an 8-bit programmable core into a 6-pin SOT-23-6 footprint, replacing discrete logic gates that would otherwise consume more PCB area and power. The 384B Flash and 16B RAM support small state machines such as input-pattern detection, latch functions, and pulse-shaping. Compared to a 74-series quad gate, the PIC10F220-E/OT costs about the same in volume while offering firmware-configurable behavior that doesn't require a respin. The internal 8 MHz oscillator eliminates two pins normally needed for an external crystal, leaving the 4 I/O pins free for actual logic. Power consumption is dominated by the I/O drive current, which is appropriate for slow-rate logic tasks.
Recommended
LED Blinker and Indicator Controller
The PIC10F220-E/OT is a strong fit for LED-blinking and indicator-control tasks because it needs only one or two I/O pins to drive an LED through a current-limit resistor, leaving the rest for sensor inputs. Its 8 MHz internal clock gives microsecond-resolution timing without external components, and the 384B Flash is enough for complex blink patterns, fades, and status encodings. Unlike a discrete 555 timer, the PIC10F220-E/OT allows pattern changes via firmware rather than hardware rework, supporting SKU variants from a single PCB. The SOT-23-6 footprint sits behind an LED without consuming board space. Sleep modes let the chip drop to microamp-level quiescent current for battery-powered indicators.
Recommended
Simple Sensor Interface
The PIC10F220-E/OT fits simple sensor-interface roles because it integrates an 8-bit ADC and 4 I/O in a 6-pin SOT-23-6 package, supporting one or two analog sensors plus a digital output or interrupt. The internal oscillator and ADC sample-hold remove the need for an external clock and front-end buffer in low-bandwidth applications like thermistor reading, photocell monitoring, or simple threshold detection. Flash (384B) and RAM (16B) suffice for linearization tables and threshold logic without requiring an I2C/SPI host. Compared to a pure analog signal chain, the PIC10F220-E/OT adds calibration and digital-output flexibility while keeping the BOM small.
Recommended
Battery Charger Control
The PIC10F220-E/OT fits low-power battery charger control applications because the 8-bit ADC and 4 I/O are sufficient for voltage/current monitoring of single-cell Li-ion or NiMH packs. The -40 °C to +125 °C extended temperature range handles the thermal environment of charging bays. The internal oscillator avoids standby current draw from external crystals, and the SOT-23-6 footprint fits inside charger cradles where space is critical. Flash-based firmware allows late-stage customization of charge profiles without hardware rework. For higher-current applications requiring active balancing or multi-cell monitoring, migration to PIC10F322 adds the necessary PWM channels.
Recommended
Personal Care and Appliance Controllers
The PIC10F220-E/OT fits personal care and small appliance products such as electric toothbrushes, shavers, and grooming tools because the 6-pin SOT-23-6 package fits inside sealed, miniaturized enclosures where a SOIC-8 would not. The -40 °C to +125 °C extended temperature range handles steam, body-heat, and high-ambient conditions. The 8 MHz internal clock supports motor PWM bit-banging at sufficient resolution for vibration feedback, while the 8-bit ADC reads battery voltage or button-resistor networks. Lead-free RoHS compliance aligns with consumer-product regulatory requirements, and Flash reprogrammability lets manufacturers tune haptic patterns and power curves in firmware.
Recommended
Industrial Sensor Tagging
The PIC10F220-E/OT fits industrial sensor-tagging applications where a unique identifier or calibration constant must be stored on a low-cost PCB. The 384B Flash holds serial number, calibration table, and basic sensor linearization; the 16B RAM handles transient data. The internal 8 MHz oscillator and SOT-23-6 footprint allow the chip to be added to existing sensor PCBs without layout changes. The -40 °C to +125 °C extended temperature range covers factory-floor and outdoor installations. Compared to a 1-wire EEPROM approach, the PIC10F220-E/OT adds programmable I/O and ADC capability at similar cost, allowing the tag to actively participate in the sensor chain.
Recommended
Recommended Products Summary
Engineering reference data for PIC10F220-E/OT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC10F222T-E/OT | PIC10F220T-E/OT | PIC10F320T-I/OT | PIC10F322T-I/OT | PIC10F200T-E/OT | PIC10F204T-E/OT |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | SOT-23-6 | SOT-23-6 - same | SOT-23-6 - same | SOT-23-6 - same | SOT-23-6 - same | SOT-23-6 - same | SOT-23-6 - same |
| Program Memory | 384B (256 x 12) Flash | 384B Flash | 384B Flash | 448B Flash | 512B Flash | 256B Flash | 256B Flash |
| RAM | 16 x 8 bytes | 16B | 16B | 32B | 32B | 16B | 16B |
| Number of I/O | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Max CPU Speed | 8 MHz | 8 MHz | 8 MHz | 8 MHz | 8 MHz | 8 MHz | 4 MHz |
| ADC | 8-bit | 8-bit | 8-bit | 8-bit | 8-bit | None | None |
| Temperature Range | -40 °C to +125 °C (E) | -40 °C to +125 °C (E) | -40 °C to +125 °C (E) | -40 °C to +85 °C (I) | -40 °C to +85 °C (I) | -40 °C to +125 °C (E) | -40 °C to +125 °C (E) |
Key Differentiators
- Smallest-footprint 8-bit Flash MCU from Microchip (vs PIC10F200-I/P (PDIP-8 / SOIC-8))
- Internal 8 MHz oscillator with no external components (vs PIC10F204T-E/OT)
- Integrated 8-bit ADC (vs PIC10F200T-E/OT)
Design Notes
The PIC10F220-E/OT operates from 2.0 V to 5.5 V across its -40 °C to +125 °C extended range. Decouple VDD with a 100 nF ceramic capacitor placed within 5 mm of the VDD pin, and add a bulk capacitor (1-10 µF) on the same rail if the supply is shared with switching components. The internal 8 MHz oscillator is factory-trimmed but not a substitute for an external crystal in time-critical UART or USB tasks.
Pin 5 (GP3/MCLR/VPP) is input-only and doubles as the ICSP programming voltage pin. Leave this pin accessible in your layout (test point or programming header) - do not tie it directly to VDD or to a low-impedance source. A 10 kΩ pull-up to VDD is the standard reset configuration. Failing to provide ICSP access typically forces board rework when firmware updates are required.
The SOT-23-6 footprint requires precise thermal pad design on the PCB. Recommended land pattern follows IPC-7351 nominal with 0.95 mm pitch pads. Hand-soldering is feasible with a fine tip, but production assembly should use a reflow profile consistent with JEDEC J-STD-020. The exposed lead frame on SOT-23-6 ties pins 2-3-4 together thermally; route sensitive analog signals on pin 1 (VDD) or pin 6 (GP2) to minimize digital crosstalk.
Estimated: at maximum operating frequency (8 MHz) and 5.5 V supply, the PIC10F220-E/OT draws roughly 1-2 mA active and 100 nA-1 µA in sleep mode. With a SOT-23-6 theta_JA of approximately 200 °C/W (per typical small-package thermal data), junction temperature rise above ambient is negligible (<1 °C) under normal operation. No external heatsinking is required; however, the SOT-23-6 lead frame should not be used as the primary heatsink for power dissipation. Validate thermal behavior in the final enclosure, especially at +125 °C ambient.
Compliance Information
RoHS compliant per Microchip product page. The -E suffix indicates extended temperature range; AEC-Q100 qualification is not applicable for this part. Lead-free SOT-23-6 packaging is standard.
