PIC10F220T-E/OT - 8-Bit MCU, 384B Flash, 8MHz, SOT-23-6 | Microchip
MPN: PIC10F220T-E/OT β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.74 | $0.74 |
| 10 | $0.68 | $6.80 |
| 100 | $0.59 | $59.00 |
| 500 | $0.52 | $260.00 |
| 1,000 | $0.46 | $460.00 |
| 3,000 | $0.4 | $1,200.00 |
PIC10F220T-E/OT Overview
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (Flash/ROM), data memory (RAM), and peripherals onto one die. Within the taxonomy, the PIC10F220 belongs to the 8-bit microcontroller -> microcontroller -> embedded processor -> semiconductor hierarchy. Its tiny 6-pin SOT-23 footprint positions it as a minimal-pin-count MCU sub-category, ideal for replacing discrete logic gates or analog timers in space-constrained designs.
Key features include a 4-channel 8-bit Analog-to-Digital Converter (ADC) with external and internal voltage references, one 8-bit timer (Timer0), an MCLR reset input, GPIO, and 16 bytes of RAM supporting up to 4 MHz internal oscillator operation. The device operates from 2.0V to 5.5V supply voltage, has 4 I/O pins, and includes Flash program memory that can be written thousands of times. Low-power consumption makes it ideal for battery-powered and energy-harvesting applications.
Technically, the PIC10F220 employs a Harvard architecture with separate program and data buses, enabling single-cycle instruction execution except for program branches (2 cycles). The Flash memory uses 12-bit-wide instruction words, providing 2:1 code compression over competing 8-bit architectures, and supports in-circuit serial programming (ICSP) for field upgrades.
Typical applications include LED lighting controllers, battery chargers, smart sensors, simple motor control, and consumer appliance interfaces. The extended -40C to +125C temperature range also enables automotive and industrial sensor signal conditioning modules.
Design consideration: when selecting this part, ensure that 4 GPIO pins are sufficient for your application - the PIC10F220 is intentionally minimal and requires pin multiplexing for complex interfaces. For applications needing more I/O, consider PIC12F or PIC16F families.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, providing a 360-degree view for procurement and engineering teams evaluating the PIC10F220T-E/OT.
Drop-in alternatives for PIC10F220T-E/OT β 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 PIC10F220T-E/OT (same form factor and footprint) β differing in Internal Oscillator, Core Architecture, I/O Pins, Timers, Package.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
PIC10F220-I/OT
β Drop-Inπ Reference alternative (not in catalog)
PIC10F222T-E/OT
β Drop-Inβ In Stock
$0.83 / Unit
View Datasheet βPIC10F220T-E/OT Maximum Ratings & Electrical Characteristics
| Core Architecture | 8-bit RISC (PIC) |
| Instruction Set | 33 single-word instructions |
| Program Memory (Flash) | 384 bytes (256 x 12 words) |
| Data RAM | 16 bytes |
| Data EEPROM | Not present |
| Maximum CPU Speed | 8 MHz (4 MIPS) |
| Supply Voltage (VDD) | 2.0 V to 5.5 V |
| Operating Temperature | -40 C to +125 C (Extended Industrial, "E") |
| I/O Pins | 4 (GPIO) |
| ADC | 8-bit, 3 channels |
| Timers | 1 x 8-bit (Timer0) |
| Internal Oscillator | 4 MHz (calibrated) |
| Reset | MCLR (master clear) |
| Package | SOT-23-6 |
| Mounting Type | Surface Mount |
| MSL Level | 1 |
| RoHS Status | Compliant |
| Programming Method | ICSP (In-Circuit Serial Programming) |
PIC10F220T-E/OT Pin Configuration
| Pin 1 | VDD β Positive supply voltage (2.0V to 5.5V) |
| Pin 2 | VSS β Ground reference |
| Pin 3 | GP0/ICSPDAT β General-purpose I/O / ICSP data |
| Pin 4 | GP1/ICSPCLK β General-purpose I/O / ICSP clock |
| Pin 5 | GP2/T0CKI β General-purpose I/O / Timer0 clock input |
| Pin 6 | GP3/MCLR/VPP β General-purpose input / Master Clear reset / Programming voltage |
Typical Applications
PIC10F220T-E/OT is suitable for 6 applications: LED Lighting Controllers, Battery-Powered Sensor Nodes, Consumer Appliance Interfaces, Smart Battery Chargers, Automotive Accessory Modules, Industrial Sensor Signal Conditioning.
LED Lighting Controllers
The PIC10F220T-E/OT suits low-cost LED lighting controllers thanks to its 4 GPIO pins driving MOSFETs, 8-bit ADC for analog dimming feedback, and tiny SOT-23-6 footprint. With 384 bytes of Flash and 8 MHz CPU speed, the MCU handles simple PWM dimming patterns and color-mixing logic via firmware bit-banging. Operating from 2.0V to 5.5V, it directly interfaces with 3.3V or 5V LED driver stages. The extended -40C to +125C temperature range supports enclosed-lighting fixtures where ambient temperatures exceed 70C. Engineers use it for decorative lighting, signage backlights, and RGB accent strips where minimal pin count and cost are critical.
Recommended
Battery-Powered Sensor Nodes
The PIC10F220T-E/OT fits battery-powered sensor nodes because its 2.0V minimum supply enables single-cell alkaline or two-cell coin-battery operation down to 1.8V under load. The 16 bytes of RAM and 384 bytes of Flash support simple periodic-sampling routines for temperature, voltage, or contact-closure sensing. The 8-bit ADC with 3 channels reads analog sensors while Timer0 triggers periodic wake-ups for duty-cycled power management. The SOT-23-6 package occupies less than 9 mm squared of PCB area, ideal for IoT wearables and remote sensor tags. Low-cost pricing (under $0.50 at 1k pieces) makes it disposable in high-volume disposable electronics.
Recommended
Consumer Appliance Interfaces
The PIC10F220T-E/OT serves in consumer appliance user-interface modules where 4 GPIO pins drive 2-4 capacitive touch buttons, status LEDs, or simple buzzer feedback. Its 8 MHz core easily scans button matrices and drives LED indicators within microsecond response times, suitable for human-interface debounce timing. The internal 4 MHz oscillator eliminates external crystal cost, while ICSP programming allows field firmware updates via test pins. Operating from 2.0V to 5.5V covers both 3.3V and 5V button-illumination circuits. The -40C to +125C temperature rating supports kitchen and laundry appliance environments where ambient temperatures reach 85C.
Recommended
Smart Battery Chargers
The PIC10F220T-E/OT operates as the supervisory controller in single-cell Li-ion or NiMH battery chargers, leveraging its 8-bit ADC to monitor battery voltage, charge current, and temperature thermistor inputs. Three ADC channels cover Vbat, Icharge, and NTC sensing simultaneously. The 4 GPIO drive charge-enable MOSFETs, status LEDs, and an optional temperature interrupt. Operating from 2.0V to 5.5V directly accepts USB-supplied 5V for portable charging applications. The Flash-based program memory supports custom charge profiles (CC-CV, trickle, termination) tuned to specific battery chemistries. Its low cost enables integration into sub-$10 consumer charging accessories.
Recommended
Automotive Accessory Modules
The PIC10F220T-E/OT, with its -40C to +125C extended-industrial temperature range, finds use in non-safety automotive accessories such as interior lighting controllers, decorative trim drivers, and aftermarket accessory switches. The SOT-23-6 footprint fits inside small connector housings or behind dashboard trim panels. The 8-bit ADC reads automotive 12V battery voltage through a resistor divider, while GPIO drives high-side MOSFETs via opto-isolators. Designers should verify AEC-Q100 qualification status with Microchip for specific OEM programs, but the temperature grade supports under-hood-adjacent accessory compartments. Flash-based ICSP programming enables factory calibration and OEM-specific feature variants.
Recommended
Industrial Sensor Signal Conditioning
The PIC10F220T-E/OT conditions industrial sensor outputs in compact PLC input modules and 4-20 mA loop-powered transmitters. Its 8-bit ADC digitizes bridge sensor, thermistor, or potentiometer signals while the 4 GPIO drive HART modem interfaces or digital isolators. Operating from 2.0V to 5.5V supports loop-powered 4-20 mA circuits with shunt regulation. The SOT-23-6 package allows dense PCB layouts in multi-channel PLC backplanes where hundreds of input cards require per-channel microcontrollers. Industrial-grade temperature range guarantees operation in factory automation cabinets where ambient temperatures reach 70C with limited cooling. Engineering teams benefit from Microchip's MPLAB X IDE ecosystem and free XC8 compiler.
Recommended
Recommended Products Summary
Engineering reference data for PIC10F220T-E/OT β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC10F220-I/OT | PIC10F222T-E/OT | PIC10F220-I/P |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | SOT-23-6 | SOT-23-6 - same | SOT-23-6 - same | PDIP-8 (different) |
| Program Memory (Flash) | 384 bytes | 384 bytes | 512 bytes (+33%) | 384 bytes |
| Data RAM | 16 bytes | 16 bytes | 16 bytes | 16 bytes |
| Data EEPROM | No | No | Yes | No |
| Maximum CPU Speed | 8 MHz (4 MIPS) | 8 MHz (4 MIPS) | 8 MHz (4 MIPS) | 8 MHz (4 MIPS) |
| Temperature Range | -40C to +125C (E) | -40C to +85C (I) | -40C to +125C (E) | -40C to +85C (I) |
| ADC Resolution | 8-bit, 3 channels | 8-bit, 3 channels | 8-bit, 3 channels | 8-bit, 3 channels |
| GPIO Pins | 4 | 4 | 4 | 4 |
Key Differentiators
- Smaller 6-pin SOT-23-6 footprint vs 8-pin PDIP/PDIP alternatives (vs PIC10F220-I/P (PDIP-8))
- Extended -40C to +125C temperature grade in SOT-23-6 (vs PIC10F220-I/OT)
- Lowest cost in the PIC10F Flash family (vs PIC10F222T-E/OT)
Design Notes
The PIC10F220T-E/OT operates from 2.0V to 5.5V and consumes approximately 1 mA active current at 4 MHz. For battery-powered designs using two alkaline cells, ensure VDD stays above 2.0V under load - alkaline cells drop below 1V each at end-of-life, so a low-battery detect via the ADC (reading VDD through an internal channel) is recommended at the 2.2V threshold.
Place a 100 nF decoupling capacitor as close as possible to the VDD pin (pin 1), with the trace length to the VSS pin (pin 2) kept under 5 mm. For ICSP programming via GP0/GP1, leave test-point access or unpopulated header footprints on these pins to enable in-circuit firmware updates without removing the MCU from the PCB. The SOT-23-6 thermal pad is not present on this package - it relies on the standard 6-pin lead-frame for heat dissipation.
GP3 on the PIC10F220T-E/OT is input-only and is multiplexed with MCLR reset - configuring it as a digital output is not possible, so high-side drive circuits must use GP0/GP1/GP2 for output control. Also, the 33-instruction RISC core has no hardware multiply or divide - multiplication and division must be implemented via firmware shift-and-add loops, increasing code size and execution time. Finally, only 16 bytes of RAM means recursive functions and large stack buffers are not feasible.
Compliance Information
RoHS and lead-free compliant per Microchip product page. AEC-Q100 automotive qualification status not explicitly confirmed in verified data; verify with Microchip for automotive OEM programs.