PIC10F202T-E/OT - 8-Bit 4MHz 768B Flash MCU | Microchip | SOT-23-6
MPN: PIC10F202T-E/OT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.77 | $0.77 |
| 10 | $0.71 | $7.10 |
| 100 | $0.63 | $63.00 |
| 500 | $0.56 | $280.00 |
| 1,000 | $0.49 | $490.00 |
| 3,000 | $0.42 | $1,260.00 |
PIC10F202T-E/OT Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, RAM, and peripherals. Within the semiconductor taxonomy, the PIC10F202T-E/OT belongs to the 8-bit microcontroller family -> RISC architecture microcontroller -> embedded controller -> semiconductor IC. It uses a 12-bit instruction word and executes 33 single-word/single-cycle instructions, with all instructions completing in 1 µs (except program branches, which take 2 µs). The device supports an operating voltage range of 2.0 V to 5.5 V, making it compatible with both 2.5 V/3.3 V and 5 V system rails.
Key features include an internal 4 MHz RC oscillator (no external crystal required), 3 general-purpose I/O pins (GP0, GP1, GP2) with individual direction control, an 8-bit real-time clock/counter (TMR0) with 8-bit programmable prescaler, a watchdog timer with its own on-chip RC oscillator for reliable operation, and in-circuit serial programming (ICSP) capability. Power management features include low-power sleep mode, internal weak pull-ups, and configurable I/O wake-up-on-change. The integrated Power-on Reset (POR) and Device Reset Timer (DRT) eliminate the need for external reset circuitry.
The PIC10F202 architecture leverages Microchip's enhanced mid-range core with single-cycle instruction execution, providing approximately 2:1 code compression compared to competing 8-bit MCUs. The Harvard-style separate program and data buses allow simultaneous instruction fetch and data access. In-circuit debugging is supported via the ICD interface on dedicated pins, although the small 6-pin package limits debug availability on the smallest variants.
Typical applications include low-cost consumer electronics (toys, remote controls, personal care devices), LED lighting controllers, battery chargers, sensor signal conditioning, simple motor control (small fans, vibration motors), and automotive AEC-Q100 subsets (interior lighting, seat controls, accessory modules) where minimal PCB footprint and low unit cost are paramount. The wide 2.0 V to 5.5 V supply range also suits single-cell lithium-ion and two-cell alkaline battery-powered designs.
When designing with the PIC10F202T-E/OT, careful pin allocation is essential because the 6-pin SOT-23-6 package exposes only 4 functional I/O/ICSP pins after VDD and VSS. The GP3 pin is input-only and used for ICSP/MCLR, while GP0, GP1, and GP2 are bidirectional. For designs requiring more I/O or peripherals, consider migrating to the pin-compatible PIC10F322 family, which offers more memory and peripherals in the same SOT-23-6 footprint.
This page synthesizes distributor pricing, drop-in alternatives from the PIC10F200/PIC10F204/PIC10F220 family, and practical design notes not consolidated in the Microchip datasheet, helping engineers select the right 6-pin Flash MCU for cost-sensitive embedded designs.
Drop-in alternatives for PIC10F202T-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 PIC10F202T-E/OT (same form factor and footprint) — differing in Core Architecture, Package, Program Memory (Flash), I/O Pins, MSL Level.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC10F200T-E/OT
✅ Drop-In✓ In Stock
$0.36 / Unit
View Datasheet →PIC10F204T-E/OT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC10F206T-E/OT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC10F202T-I/OT
✅ Drop-In✓ In Stock
$0.35 / Unit
View Datasheet →PIC10F320T-E/OT
✅ Drop-In✓ In Stock
$0.27 / Unit
View Datasheet →PIC10F322T-E/OT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC10F202T-E/OT Maximum Ratings & Electrical Characteristics
| Core Architecture | 8-bit PIC RISC (enhanced mid-range) |
| Program Memory (Flash) | 768 bytes (512 x 12 words) |
| RAM | 24 bytes |
| CPU Speed | 4 MHz |
| Instruction Set | 33 single-word/single-cycle instructions |
| Supply Voltage (VDD) | 2.0 V to 5.5 V |
| I/O Pins | 3 (GP0, GP1, GP2); GP3 input-only / MCLR |
| Timers | TMR0 (8-bit with 8-bit prescaler); WDT with dedicated oscillator |
| Oscillator | Internal 4 MHz RC (no external components) |
| Package | SOT-23-6 |
| Mounting Type | Surface Mount |
| Operating Temperature | -40 °C to +125 °C (Extended, "E") |
| Programming | ICSP (In-Circuit Serial Programming) |
| AEC-Q100 | Qualified (per datasheets.com datasheet description) |
| MSL Level | 1 (per JEDEC J-STD-020) |
| RoHS / Lead-Free | Yes (Pb-free; RoHS compliant) |
| Packaging | Tape & Reel (TR) |
PIC10F202T-E/OT Pin Configuration
| Pin 1 | GP0 — General-purpose bidirectional I/O; can drive output or be used as analog comparator input |
| Pin 2 | GP1 — General-purpose bidirectional I/O; can drive output or be used as analog comparator input |
| Pin 3 | GP2 — General-purpose bidirectional I/O; can drive output or be used as analog comparator input |
| Pin 4 | VSS — Ground reference |
| Pin 5 | VDD — Positive supply input (2.0 V to 5.5 V) |
| Pin 6 | GP3 / MCLR — Input-only pin shared with Master Clear reset and ICSP programming data |
Typical Applications
PIC10F202T-E/OT is suitable for 6 applications: Remote Control and IR Transmitter, LED Lighting Controller and Driver, Battery-Powered Sensor Interface, Automotive Interior Accessory Module, Personal Care and Small Appliance Controller, Toys and Hobby Electronics.
Remote Control and IR Transmitter
The PIC10F202T-E/OT is well-suited for low-cost IR remote control transmitters where its 4 MHz internal oscillator, 768 bytes of Flash, and 3 GPIO pins are sufficient to encode standard RC-5/RC-6 or NEC protocols. With only 24 bytes of RAM and 3 I/O, the device can drive an IR LED via PWM on GP2 while reading button inputs on GP0/GP1. The 2.0 V to 5.5 V supply range supports both 3 V coin-cell and 5 V USB-powered transmitters, and the <1 µA sleep current extends battery life to multi-year standby.
Recommended
LED Lighting Controller and Driver
In single- or dual-channel LED controllers (accent lighting, signage, decorative strips), the PIC10F202T-E/OT provides PWM control on GP0/GP1/GP2 to drive MOSFETs or constant-current LED drivers. The internal 4 MHz oscillator and 8-bit TMR0 with 8-bit prescaler allow flexible PWM frequencies from a few hundred Hz to tens of kHz. With 768 bytes of Flash, the device can implement smooth fades, color sequences, or breathing effects. The wide 2.0-5.5 V supply range supports both 3.3 V and 5 V LED driver topologies.
Recommended
Battery-Powered Sensor Interface
For simple battery-powered sensor nodes (temperature, humidity, contact, motion wake-up), the PIC10F202T-E/OT offers a low-power wake-up-on-change MCU with 3 GPIOs and an internal 4 MHz RC oscillator. Sleep current below 1 µA (with WDT disabled) and a 2.0 V minimum supply make it ideal for single-cell lithium coin-cell or 2x AAA alkaline battery packs. The MCU can read a single sensor via GP0/GP1, drive a status LED via GP2, and sleep between measurements. Its 24-byte RAM suits burst-mode data logging before transmitting via external radio.
Recommended
Automotive Interior Accessory Module
With AEC-Q100 qualification and the -40 °C to +125 °C extended temperature range ("E" suffix), the PIC10F202T-E/OT is appropriate for non-safety automotive applications such as ambient lighting controllers, vanity mirror LEDs, seat position indicator LEDs, or accessory timer relays. The 6-pin SOT-23-6 footprint fits on small PCBAs inside door panels, headliners, and center consoles. The 2.0-5.5 V supply range survives automotive cranking transients when paired with a TVS-protected 12 V-to-5 V LDO such as the LM7805 or LM2931.
Recommended
Personal Care and Small Appliance Controller
In personal care devices (electric toothbrushes, hair clippers, shavers) and small appliances (toothbrush sanitizers, aroma diffusers), the PIC10F202T-E/OT provides a low-cost control core with sufficient Flash for mode sequencing, battery monitoring, and motor PWM drive. The 3 GPIOs can drive a low-side N-channel MOSFET for vibration motor control (GP2), sense a push button (GP0), and indicate status via LED (GP1). The integrated watchdog timer and Power-on Reset ensure reliable startup without external components, reducing BOM cost for sub-$10 consumer products.
Recommended
Toys and Hobby Electronics
For hobby servos, model-train accessories, blinking wearables, LED throwies, and educational microcontroller kits, the PIC10F202T-E/OT provides an ultra-low-cost entry point. The 6-pin SOT-23-6 is small enough to fit into wearable form factors, and the 768-byte Flash supports simple programs driving a few LEDs or RC servos. The ICSP programming interface on GP3 (shared with MCLR) allows in-circuit firmware updates without removing the part from the PCB - perfect for educational boards and DIY kits where students can experiment with embedded programming.
Recommended
Recommended Products Summary
Engineering reference data for PIC10F202T-E/OT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC10F200T-E/OT | PIC10F204T-E/OT | PIC10F206T-E/OT | PIC10F202T-I/OT | PIC10F320T-E/OT | PIC10F322T-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) |
| Core Architecture | 8-bit, 12-bit instruction, 33 instructions | 8-bit, 12-bit instruction, 33 instructions (same) | 8-bit, 12-bit instruction, 33 instructions (same) | 8-bit, 12-bit instruction, 33 instructions (same) | 8-bit, 12-bit instruction, 33 instructions (same) | 8-bit, 14-bit mid-range instruction | 8-bit, 14-bit mid-range instruction |
| Flash Program Memory | 768 B (512 x 12) | 384 B (256 x 12) | 384 B (256 x 12) | 768 B (512 x 12) | 768 B (512 x 12) | 448 B | 896 B |
| RAM | 24 B | 16 B | 16 B | 24 B | 24 B | 64 B | 64 B |
| Max CPU Speed | 4 MHz | 4 MHz | 4 MHz | 4 MHz | 4 MHz | 16 MHz | 16 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 | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| Temperature Grade | Extended -40 to +125 C (E) | Extended -40 to +125 C (E) | Extended -40 to +125 C (E) | Extended -40 to +125 C (E) | Industrial -40 to +85 C (I) | Extended -40 to +125 C (E) | Extended -40 to +125 C (E) |
| Special Features | WDT, internal 4 MHz OSC, ICSP, comparator | WDT, internal 4 MHz OSC, ICSP | WDT, internal 4 MHz OSC, ICSP, voltage reference | WDT, internal 4 MHz OSC, ICSP, voltage reference, comparator | Same as this part | PWM, CWG, NCO, CLC, 16 MHz OSC | PWM, CWG, NCO, CLC, 16 MHz OSC, ADC |
Key Differentiators
- Largest Flash in the 6-pin base PIC10F20x family (vs PIC10F200T-E/OT)
- Extended temperature grade for industrial/automotive (vs PIC10F202T-I/OT)
- Minimal footprint for cost-sensitive designs (vs PIC10F204T-E/OT)
- Mature, second-source-friendly supply chain (vs PIC10F322T-E/OT)
Design Notes
GP3 (pin 6) is input-only and CANNOT be configured as an output. Designers accustomed to general-purpose microcontrollers may mistakenly use GP3 as a digital output - this is impossible on the PIC10F200/202/204/206 family per the Microchip datasheet. Also, GP3 shares its pin function with MCLR (Master Clear) and ICSP programming, so external circuitry must not drive this pin low during normal operation unless intentional reset behavior is desired.
The SOT-23-6 package has only 6 pins, so decoupling is critical: place a 100 nF X7R ceramic capacitor as close as possible between VDD (pin 5) and VSS (pin 4), with the ground via placed immediately adjacent to the VSS pin to minimize parasitic inductance. For automotive applications exposed to large supply transients, add a 10 µF bulk capacitor and a series ferrite bead on the VDD trace, plus a TVS diode such as SMAJ5.0CA to clamp transients to within the 5.5 V absolute maximum.
Estimated: with VDD = 3.3 V, internal oscillator active, all I/O unloaded, the PIC10F202T-E/OT typically draws ~230 µA active and <1 µA in sleep mode (WDT disabled). For battery-life calculations, assume 230 µA average when periodically waking to service a sensor, with most time in sleep. At a 1% duty cycle, average current is ~3 µA, allowing a 220 mAh CR2032 coin cell to last ~8 years in sleep-dominated applications.
When using the ICSP interface for in-circuit programming/debugging, dedicate GP3 (pin 6) for the ICSPDAT/PGD signal and route it away from high-frequency switching nodes. Keep the ICSP header footprint compact (1.27 mm pitch 6-pin or 2.54 mm pin-header) and add ESD protection on GP0/GP1/GP2 if they are exposed to user touch or external connectors. The MCLR/GP3 pin typically requires a 10 kΩ pull-up to VDD for normal operation; do NOT leave it floating.
The PIC10F202T-E/OT's internal 4 MHz oscillator is factory-trimmed to ±1% typical accuracy at 5 V and 25 °C, but frequency drift across temperature (-40 to +125 °C) and voltage (2.0-5.5 V) can approach ±2-5%. For timing-critical applications (UART bit-bang, IR carrier generation, PWM frequency accuracy), measure the actual FOSC in your application and use the OSCTUNE register (if available on your chosen variant) or external timing references to compensate.
Compliance Information
RoHS compliant and lead-free per Microchip product page and third-party datasheets.com listing (AEC-Q100 grade noted as qualified). MSL Level 1 per JEDEC J-STD-020. Tape & Reel packaging standard quantity 3000.
