PIC12F615T-I/SN - 8-bit MCU, 2KB Flash, 20MHz, SOIC-8 | Microchip
MPN: PIC12F615T-I/SN ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.51 | $1.51 |
| 10 | $1.39 | $13.90 |
| 100 | $1.2 | $120.00 |
| 500 | $1.04 | $520.00 |
| 1,000 | $0.93 | $930.00 |
| 3,300 | $0.83 | $2,739.00 |
PIC12F615T-I/SN Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (Flash/ROM), data memory (RAM), and configurable peripherals on a single silicon die. PIC12F microcontrollers in particular occupy the low-pin-count, low-power end of the 8-bit hierarchy — ideal for applications where 8-pin DIP/SOIC form factors, simple deterministic interrupts, and minimal BOM cost matter more than raw CPU throughput.
Key differentiating features of this part are its nanoWatt power-management technology with multiple low-power sleep modes drawing as little as a few nanoamps in deep sleep, an on-chip 4/8 MHz precision internal oscillator eliminating external resonator cost, an internal temperature indicator accessible through the ADC, and an in-circuit serial programming (ICSP) interface for field updates via two pins. The Enhanced PWM module supports up to 10-bit resolution, half-bridge and full-bridge outputs, and four PWM channels suitable for driving small DC brushed motors, MOSFET gates, or RGB LEDs.
The mid-range PIC architecture uses a 14-bit instruction word, single-cycle execution for most instructions (200 ns at 20 MHz), a hardware accumulator-based ALU, and 35 single-word instructions. This RISC-style instruction set is what makes the 12F family famous for predictable, deterministic interrupt response — important in motor control and timing-critical sensor reading. The device operates from 2.0V to 5.5V, with the 'I' temperature grade covering the industrial -40°C to +85°C range.
Typical applications include small DC brushed and stepper motor controllers, RGB LED drivers, ceiling-fan remote controls, low-cost PIR motion sensors, smoke-detector front-end boards, IoT sensor nodes with sleep-duty-cycling, and appliance front-panel control where the 8-pin footprint fits. Designers choose this part for its sub-$1 price point in volume, on-chip oscillator, and Microchip's free MPLAB X IDE + XC8 toolchain.
When migrating firmware between PIC12F615 variants, note that the 'T' suffix denotes tape-and-reel packaging and the 'I' suffix denotes the industrial temperature range — the silicon die is identical across temperature grades, but lead-free SOIC-8 reflow profile must be observed on the /SN package.
This page synthesizes drop-in PIC12F615T-I/SN alternatives, current distributor pricing, application-specific design notes, and a comparison table not bundled in the manufacturer datasheet.
Drop-in alternatives for PIC12F615T-I/SN — 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 PIC12F615T-I/SN (same form factor and footprint) — differing in Package, Timers, Operating Temperature, Internal Oscillator, Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC12F615-I/SN
✅ Drop-In✓ In Stock
$0.52 / Unit
View Datasheet →PIC12F615-I/P
✅ Drop-In✓ In Stock
$0.78 / Unit
View Datasheet →PIC12F615-I/MD
✅ Drop-In✓ In Stock
$0.64 / Unit
View Datasheet →PIC12F615-H/MD
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$0.54 / Unit
View Datasheet →PIC12F615-E/SN
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$0.84 / Unit
View Datasheet →PIC12F1501-E/SN
✅ Drop-In✓ In Stock
$0.58 / Unit
View Datasheet →PIC12F609T-I/MD
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$0.51 / Unit
View Datasheet →PIC12F1572-I/MS
✅ Drop-In✓ In Stock
$0.72 / Unit
View Datasheet →PIC12F615T-I/SN Maximum Ratings & Electrical Characteristics
| Architecture | PIC12 mid-range 8-bit RISC, 14-bit instruction word |
| Program Memory (Flash) | 1.75 KB (1K x 14 words) |
| Data RAM | 64 bytes |
| Data EEPROM | 128 bytes |
| Maximum CPU Clock | 20 MHz |
| Instruction Cycle Time | 200 ns @ 20 MHz |
| Supply Voltage (VDD) | 2.0 V to 5.5 V |
| I/O Pins | 6 |
| ADC | 10-bit, 4 channels |
| Timers | 2 x 8-bit + 1 x 16-bit (Timer1 with gate) |
| PWM Channels | 4 x 10-bit Enhanced CCP |
| Internal Oscillator | 4 MHz / 8 MHz + 32 kHz LFINTOSC |
| Operating Temperature | -40 C to +85 C (Industrial) |
| Package | 8-pin SOIC (SN), 3.90 mm body width, tape-and-reel |
| Mounting Type | Surface Mount |
| ICSP Programming | Yes (2-wire, In-Circuit Serial Programming) |
| Low-Power Technology | nanoWatt (sleep current low-uA range) |
| RoHS Status | Compliant |
PIC12F615T-I/SN Pin Configuration
| Pin 1 | VDD — Positive supply voltage (2.0 V to 5.5 V) |
| Pin 2 | GP5/T1CKI/OSC1/CLKIN/P1A — GPIO5 / Timer1 clock input / crystal OSC1 / external clock in / PWM1A output |
| Pin 3 | GP4/AN3/T1G/OSC2/CLKOUT/P1B — GPIO4 / ADC ch3 / Timer1 gate / crystal OSC2 / CLKOUT / PWM1B output |
| Pin 4 | GP3/MCLR/VPP — GPIO3 (input only) / Master Clear reset (active low) / ICSP programming voltage |
| Pin 5 | GP2/AN2/T0CKI/INT/COUT/P1A — GPIO2 / ADC ch2 / Timer0 clock input / external interrupt / comparator output / PWM1A |
| Pin 6 | GP1/AN1/CIN-/VREF/ICSPCLK — GPIO1 / ADC ch1 / comparator in- / ADC Vref / ICSP clock |
| Pin 7 | GP0/AN0/CIN+/ULPWU/ICSPDAT — GPIO0 / ADC ch0 / comparator in+ / ultra-low-power wake-up / ICSP data |
| Pin 8 | VSS — Ground reference |
Typical Applications
PIC12F615T-I/SN is suitable for 7 applications: Small DC Brushed Motor Speed Control, RGB LED Lighting and Color-Mixing Driver, PIR Motion Sensor Front-End, Smoke Detector Front-End Board, Ceiling Fan Remote Control Receiver, Battery-Powered IoT Sensor Node, Appliance Front-Panel Control Board.
Small DC Brushed Motor Speed Control
The PIC12F615T-I/SN fits small DC brushed motor control because its 20 MHz core and 4-channel 10-bit Enhanced PWM module deliver up to 20 kHz PWM switching in a single 8-pin package. With six I/O pins, two channels can drive a full H-bridge MOSFET pair through P1A/P1B complementary outputs while the remaining pins handle direction input, brake, current sense through the 10-bit ADC, and tachometer feedback. The internal 4 MHz/8 MHz oscillator eliminates the external resonator, and nanoWatt sleep modes let the MCU enter low-power standby between motor commands, dropping quiescent current to single-digit microamps.
Recommended
RGB LED Lighting and Color-Mixing Driver
The PIC12F615T-I/SN is well-suited as a standalone RGB LED color controller because three of its six I/O pins can drive three independent 10-bit PWM channels to mix red, green, and blue brightness, while the remaining pins accept I2C commands from a host MCU or a button input for color cycling. The 200 ns instruction cycle handles CIE color-correction lookups and gamma curves without taxing the timing budget, and the 64-byte RAM holds a 64-step fade table for smooth transitions. Operating from 2.0 V to 5.5 V lets the same part drive both 3.3 V and 5 V LED strips.
Recommended
PIR Motion Sensor Front-End
The PIC12F615T-I/SN fits PIR motion-sensor front-end boards because its integrated 10-bit ADC reads the analog PIR signal directly through AN0/AN1 while the comparator (CIN+/CIN-) triggers interrupts on motion events without waking the CPU fully. The Timer1 16-bit gate feature lets the MCU measure pulse widths for signal qualification, rejecting false triggers from noise. nanoWatt sleep mode drops quiescent current to microampere levels during idle, extending battery life on wireless motion-sensor nodes to multiple years on a single CR2032 coin cell.
Recommended
Smoke Detector Front-End Board
The PIC12F615T-I/SN is ideal for smoke-detector front-end signal processing because its 10-bit ADC samples the photoelectric chamber signal while Timer1 measures the ionization chamber interval, allowing the firmware to apply dual-criteria algorithms required for UL 217 listings. The internal 32 kHz LFINTOSC keeps time-of-day backup during battery-only operation, and the EEPROM stores calibration constants that survive power loss. With industrial -40 C to +85 C operation, the same part handles both residential and commercial temperature ranges.
Recommended
Ceiling Fan Remote Control Receiver
The PIC12F615T-I/SN fits ceiling-fan remote-control receivers because its CCP module captures IR or RF demodulated input signals, while its PWM drives TRIAC phase-angle control for fan-speed regulation. The 20 MHz instruction cycle handles 38 kHz carrier demodulation in software without an external decoder IC, and the 128-byte EEPROM stores the user-configured fan-speed and light-dimmer preferences through power cycles. The industrial -40 C to +85 C operating range ensures reliability in unheated attic installations.
Recommended
Battery-Powered IoT Sensor Node
The PIC12F615T-I/SN works as a battery-powered IoT sensor-node controller because its nanoWatt sleep currents in the microampere range let it run for years on a coin cell while waking periodically to read sensors through the ADC. The internal 32 kHz LFINTOSC keeps accurate wake-up timing without an external crystal, and the ICSP two-wire programming interface allows firmware updates over the same pins used for sensor I/O. Six I/O pins provide enough headroom for I2C sensor, SPI peripheral, status LED, and wake-up interrupt button.
Recommended
Appliance Front-Panel Control Board
The PIC12F615T-I/SN fits appliance front-panel control boards because its 4-channel PWM drives LEDs, seven-segment displays, or buzzer tones while six I/O pins handle button matrix input and status LEDs. The 20 MHz core and 5 MIPS performance deliver smooth button-debouncing and LED multiplexing without jitter, while the 128-byte EEPROM stores user-setpoints through power cycles. Industrial -40 C to +85 C operation survives the temperature extremes of ovens, washing machines, and refrigerators.
Recommended
Recommended Products Summary
Engineering reference data for PIC12F615T-I/SN — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC12F615-I/SN | PIC12F615-I/P | PIC12F1501-E/SN | PIC12F1572-I/MS | PIC12F609T-I/MD |
|---|---|---|---|---|---|---|
| Package | SOIC-8 (SN) | SOIC-8 (SN) - same | PDIP-8 (P) - through-hole | SOIC-8 (SN) - same | MSOP-8 (MS) - smaller | DFN-8 (MD) - smaller |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 1.75 KB | 1.75 KB - identical | 1.75 KB - identical | 3.5 KB (+100%) | 3.5 KB (+100%) | 1.75 KB - identical |
| Data RAM | 64 bytes | 64 bytes - identical | 64 bytes - identical | 128 bytes (+100%) | 128 bytes (+100%) | 64 bytes - identical |
| ADC | 10-bit, 4 channels | 10-bit, 4 ch - identical | 10-bit, 4 ch - identical | 10-bit, 4 ch - identical | 10-bit, 4 ch - identical | None (no ADC) |
| PWM Channels | 4 x 10-bit | 4 x 10-bit - identical | 4 x 10-bit - identical | 4 x 10-bit + CIPs - improved | 4 x 16-bit - higher resolution | None (no PWM) |
| Max Clock | 20 MHz | 20 MHz - identical | 20 MHz - identical | 20 MHz - identical | 32 MHz - 60% faster | 20 MHz - identical |
| EEPROM | 128 bytes | 128 bytes - identical | 128 bytes - identical | None (no EEPROM) | None (no EEPROM) | None (no EEPROM) |
| Approx Unit Price (qty-100) | $1.20 | $1.20 - same | $1.20 - same | $1.30 - similar | $1.40 - similar | $1.05 - slightly lower |
Key Differentiators
- On-chip 10-bit ADC with 4 channels in an 8-pin package (vs PIC12F609T-I/MD)
- Enhanced PWM with 4 channels for motor control (vs PIC12F509T-I/MS)
- Industry-standard PIC12F615 die with 15-year production history (vs PIC12F1501-E/SN)
Design Notes
The PIC12F615T-I/SN nanoWatt sleep modes (Sleep, Idle, and Watchdog Sleep) draw single-digit microampere currents, but firmware must explicitly disable the ADC, comparator, and on-chip peripherals before entering Sleep to reach the lowest quiescent numbers — leaving the ADC enabled keeps current draw 100x higher than expected. For battery-powered sensor nodes, configure all unused pins as outputs driven low and disable the WDT unless specifically needed, then verify sleep current with a uCurrent or equivalent microamp meter, not a multimeter in series. Estimated: with peripherals off and WDT off, sleep current is typically 0.1-1 uA at 3.3 V per the datasheet typical characteristics.
Place the 0.1 uF VDD decoupling capacitor within 5 mm of pin 1 (VDD), with the ground return via a short trace to pin 8 (VSS). For noise-sensitive analog applications using the ADC, add a 10 uF bulk capacitor in parallel and consider a ferrite bead on VDD if the supply rail is shared with a switching regulator. The 8-pin SOIC (SN) package is 3.90 mm wide and reflow-compatible with lead-free profiles up to 260 C peak; do not exceed 250 C for more than 40 seconds to avoid damaging the internal oscillator.
Three common pitfalls: (1) Pin 4 (GP3/MCLR/VPP) is input-only — never drive it as an output from external logic without a series resistor, and leave MCLR enabled unless you tie it through a 10 kohm pull-up to VDD. (2) The internal 4 MHz/8 MHz oscillator accuracy is typically +/-2 percent at room temperature, which is fine for UART but not for USB or precision timing; add an external crystal if accuracy below 1 percent is required. (3) The ADC channel selection must explicitly set TRISIO for the analog pin to input mode — leaving a TRIS bit as output disconnects the ADC from the pin, giving constant zero readings. Estimated: 1 percent oscillator drift per 10 C temperature change.
Route the ICSP programming signals (ICSPCLK on pin 6, ICSPDAT on pin 7, MCLR/VPP on pin 4) to a 6-pin header or test pad with 100 mil spacing for the Microchip PICkit programmer. Add ESD protection diodes on any pin that connects to external user-accessible connectors — the 12F615 has no internal ESD protection beyond the Human Body Model rating of +/-2 kV per the datasheet. For automotive or industrial installations where ESD strikes are expected, add TVS diodes externally on the I/O pins.
Compliance Information
RoHS and REACH compliant per Microchip product page. Industrial temperature grade (-40 C to +85 C) only — not AEC-Q100 qualified for automotive; consider PIC12F615-E/SN for extended temp or AEC-Q100 grades from other Microchip families.
