PIC10F320T-I/MC - 8-bit 16MHz 448B Flash MCU | Microchip
MPN: PIC10F320T-I/MC ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.79 | $0.79 |
| 10 | $0.74 | $7.40 |
| 100 | $0.62 | $62.00 |
| 500 | $0.52 | $260.00 |
| 1,000 | $0.45 | $450.00 |
| 3,000 | $0.38 | $1,140.00 |
PIC10F320T-I/MC Overview
An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path CPU, on-chip Flash program memory, RAM, and a tailored set of peripherals. The PIC10F family occupies the small-footprint end of Microchip's 8-bit portfolio and is the smallest pin-count member of the mid-range PIC architecture; it sits hierarchically inside: 8-bit MCU -> microcontroller -> embedded controller -> semiconductor. These MCUs are valued where board area, BOM cost, and low pin count dominate over absolute throughput.
Key differentiating specifications include 16 MHz core speed (1 MIPS per MHz), four general-purpose I/O pins sharing digital and analog functions, hardware CLC and NCO blocks that replace discrete logic gates and oscillators, and a 2.3V minimum supply that supports single-cell lithium and 3.3V system rails. The PIC10F320T variant is the industrial-temperature (-40C to +85C) tape-and-reel part with surface-mount DFN packaging optimized for high-volume assembly.
Architecturally, the device uses Microchip's enhanced mid-range 8-bit core with a 14-bit instruction word and a single-cycle hardware stack, providing deterministic interrupt latency that simplifies real-time control loops. The on-chip NCO combined with the CWG and PWM lets designers generate precise frequency or pulse trains without burdening the CPU. Internal 16 MHz oscillator calibration data stored in Flash yields accurate timing across the operating voltage and temperature range.
Typical applications include ultra-compact consumer appliances, battery-powered IoT sensor nodes, LED lighting controllers, low-cost remote controls, and small signal-conditioning front ends where only a handful of I/O are required. Its wide voltage range and low pin count also suit wearable electronics and accessory modules that must fit on a 5 mm x 5 mm PCB footprint.
Designers should evaluate the 8-pin budget early: the part exposes only four usable I/O, and the reset pin (MCLR) consumes one unless disabled in configuration. For applications needing more I/O, the PIC10F322 sister device or PIC12/16F families may be required, but they break pin-compatibility.
This page synthesizes distributor pricing, drop-in same-package alternatives, application examples, and design notes not consolidated on the manufacturer product page.
Drop-in alternatives for PIC10F320T-I/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 PIC10F320T-I/MC (same form factor and footprint) — differing in ADC, Package, I/O Pins, Operating Temperature, Program Memory (Flash).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC10F322T-I/MC
✅ Drop-In✓ In Stock
$0.47 / Unit
View Datasheet →PIC10F320-I/MC
✅ Drop-In✓ In Stock
$0.26 / Unit
View Datasheet →PIC10F320-E/MC
✅ Drop-In✓ In Stock
$0.49 / Unit
View Datasheet →PIC10F320T-E/MC
✅ Drop-In📋 Reference alternative (not in catalog)
PIC10F320T-I/MC Maximum Ratings & Electrical Characteristics
| Core Processor | PIC |
| Core Size | 8-bit |
| Core Speed | 16 MHz |
| Program Memory | 448 B (256 x 14) Flash |
| RAM | 32 B |
| I/O Pins | 4 |
| ADC | 1 x 8-bit |
| Supply Voltage Range | 2.3 V to 5.5 V |
| Operating Temperature | -40 C to +85 C (Industrial) |
| Package | 8-DFN (2x3 mm) with Exposed Pad |
| Mounting Type | Surface Mount |
| Peripherals | PWM, CLC, NCO, CWG, Temperature Indicator |
| ROM Type | Flash |
| RoHS Status | Compliant |
PIC10F320T-I/MC Pin Configuration
| Pin 1 | RA0/PGD — Digital I/O / ICSP data (bidirectional) |
| Pin 2 | RA1/PGC — Digital I/O / ICSP clock |
| Pin 3 | RA2 — Digital I/O / analog input |
| Pin 4 | RA3/MCLR — Digital I/O or Master Clear reset (configurable) |
| Pin 5 | GND — Ground reference |
| Pin 6 | RA1/OSC1 — Digital I/O or external oscillator input |
| Pin 7 | RA2/OSC2 — Digital I/O or external oscillator output |
| Pin 8 | VDD — Positive supply voltage (2.3 V to 5.5 V) |
Typical Applications
PIC10F320T-I/MC is suitable for 6 applications: Battery-Powered IoT Sensor Nodes, LED Lighting Controllers and Drivers, Ultra-Compact Remote Control Transmitters, Toy and Hobby Electronics, Wearable and Accessory Modules, Industrial Sensor Signal Conditioning.
Battery-Powered IoT Sensor Nodes
The PIC10F320T-I/MC suits coin-cell IoT sensor nodes where PCB area is constrained to under 10 mm x 10 mm. Its 2.3 V minimum supply lets a single CR2032 cell drive the part directly via a boost regulator or through low-drop diode OR-ing. The 16 MIPS throughput handles periodic sensor reads, while the on-chip NCO and CWG generate excitation signals for capacitance or temperature sensors without external op-amps. Sleep current in the microamp range extends battery life to several years on duty-cycled wake-and-transmit patterns.
Recommended
LED Lighting Controllers and Drivers
The PIC10F320T-I/MC is well-matched to small LED drivers and decorative lighting strips where one to four PWM channels set brightness or color mix. The 16 MHz core drives a hardware PWM at well above audible frequencies, eliminating inductor whine, while the CWG block shapes complementary outputs for half-bridge LED strings. Operating from 2.3 V to 5.5 V, the part can be powered directly from a single Li-ion cell or a 5 V USB rail, with the 4-I/O budget covering enable, dim, and two analog feedback channels.
Recommended
Ultra-Compact Remote Control Transmitters
Infrared or sub-GHz remote control key fobs are a classic fit for the PIC10F320T-I/MC. Four I/O pins are enough for 4-button keypads, while the hardware NCO produces accurate 36 kHz to 56 kHz carrier frequencies without CPU load. The PIC10F320's small Flash holds typical encoding routines, and its 2.3 V operation supports single coin-cell or two-AAA designs. Low Sleep current extends shelf life well past the typical consumer remote control warranty window.
Recommended
Toy and Hobby Electronics
Cost-sensitive toys, hobby servos, and educational electronics benefit from the PIC10F320T-I/MC's sub-dollar unit price and tiny 2 mm x 3 mm DFN footprint. The PWM drives hobby servos directly at 50 Hz with 1-2 ms pulses, while the CLC implements glue logic like monostable multivibrators in hardware. Developers prototyping with PICkit 4 or MPLAB Snap can quickly iterate, and the industrial -40C to +85C temperature grade survives most indoor and outdoor play environments.
Recommended
Wearable and Accessory Modules
Wearables, hearing-aid accessories, and fitness dongles can leverage the PIC10F320T-I/MC for housekeeping, button debouncing, and LED feedback on a 5 mm x 5 mm module PCB. The exposed pad on the DFN package enables thermal dissipation for brief high-current loads and provides a solid ground anchor. The on-chip temperature indicator lets the MCU implement basic health or thermal-limit functions without an external sensor, while the 32 B RAM and 448 B Flash store configuration and short logs.
Recommended
Industrial Sensor Signal Conditioning
In factory automation edge nodes, the PIC10F320T-I/MC can sit near a sensor to perform local signal conditioning, thresholding, and digital encoding before passing data upstream. The on-chip 8-bit ADC samples a transducer channel, and the NCO generates a stable excitation frequency for resistive bridge sensors. The 2.3 V to 5.5 V supply accommodates 3.3 V industrial rails and 5 V legacy systems; the 16 MHz core reads sensors at high repetition rates while keeping cost low enough for distributed deployment.
Recommended
Recommended Products Summary
Engineering reference data for PIC10F320T-I/MC — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC10F322T-I/MC | PIC10F320-I/MC | PIC10F320-E/MC | PIC10F320T-E/MC |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 8-DFN (2x3 mm) with Exposed Pad | 8-DFN (2x3 mm) - same | 8-DFN (2x3 mm) - same | 8-DFN (2x3 mm) - same | 8-DFN (2x3 mm) - same |
| Program Memory | 448 B (256 x 14) Flash | 896 B (512 x 14) Flash | 448 B Flash | 448 B Flash | 448 B Flash |
| RAM | 32 B | 64 B | 32 B | 32 B | 32 B |
| Core Speed | 16 MHz | 16 MHz | 16 MHz | 16 MHz | 16 MHz |
| Supply Voltage | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V |
| Operating Temperature | -40 C to +85 C (Industrial) | -40 C to +85 C | -40 C to +85 C | -40 C to +125 C (Extended) | -40 C to +125 C (Extended) |
| I/O Pins | 4 | 4 | 4 | 4 | 4 |
| Packaging Form | Tape & Reel (T) | Tape & Reel (T) | Tube | Tube | Tape & Reel (T) |
Key Differentiators
- Hardware CLC, NCO, and CWG peripherals in an 8-pin package (vs PIC10F200-I/MC)
- Lowest-cost 8-bit MCU with on-chip temperature indicator (vs PIC10F322T-I/MC)
- Industrial temperature grade matches the -40C to +85C window (vs PIC10F320T-E/MC (Extended grade))
Design Notes
The PIC10F320T-I/MC exposes only four general-purpose I/O pins (RA0-RA3), and RA3 is multiplexed with MCLR. Disabling MCLR in configuration frees RA3 as a digital input-only pin, but the part then has no external reset; rely on the internal POR/BOR instead. Pin 6 (RA1/OSC1) and Pin 7 (RA2/OSC2) double as the external oscillator interface when the internal HFINTOSC is bypassed - leaving them as GPIO requires selecting INTOSC in the configuration word.
Decouple VDD (Pin 8) with a 100 nF ceramic capacitor placed within 3 mm of the pin and tied to a clean ground plane; the DFN exposed pad also serves as the thermal/ground anchor and must be soldered to a generous copper pour. The internal HFINTOSC at 16 MHz draws approximately 3 mA active at 3.3 V; in Sleep the part drops below 1 uA, but only if unused peripherals are disabled in firmware.
The 2 mm x 3 mm DFN (MC) package requires careful PCB layout: the exposed pad must be soldered to a land pattern equal to or larger than the pad itself, with thermal vias to the inner ground plane for heat spreading. Keep signal traces away from the exposed pad to avoid solder wicking during reflow. Per Microchip packaging guidelines, a 0.4 mm pitch land pattern with NSMD pads is recommended for high-yield reflow.
When using the on-chip ADC, sample-and-hold acquisition time depends on source impedance; keep the analog input impedance below 10 kOhm for full 8-bit accuracy at the maximum ADC clock. Place a 100 nF bypass capacitor on the analog channel if the source is a high-impedance sensor, and avoid switching digital lines adjacent to analog traces to minimize crosstalk.
Compliance Information
RoHS and REACH compliance per Microchip product page and DigiKey compliance flag as of 2026-09-14. Not AEC-Q100 qualified; automotive designs should select Microchip's AEC-Q100-grade PIC10F/12F/16F variants. Halogen-free per Microchip declaration.
