PIC24F08KM101-I/SO - 16-bit 32MHz 8KB Flash XLP MCU | Microchip
MPN: PIC24F08KM101-I/SO ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.18 | $2.18 |
| 10 | $1.97 | $19.70 |
| 100 | $1.69 | $169.00 |
| 500 | $1.43 | $715.00 |
| 1,000 | $1.25 | $1,250.00 |
PIC24F08KM101-I/SO Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, working RAM, and a rich set of peripherals into one IC. The PIC24F family uses a 16-bit modified Harvard architecture optimized for deterministic real-time control. Within the broader taxonomy, this device sits at: microcontroller -> 16-bit MCU -> PIC24F -> nanoWatt XLP family. It is designed for low pin count, low power applications that still demand higher performance than 8-bit cores can offer.
Key differentiating features include: Configurable Logic Cell (CLC) for hardware state-machine glue logic without software overhead; multiple Capture/Compare/PWM (CCP/OC) modules for motor, lighting, and signal-generation control; a 12-bit A/D converter with up to 12 channels for sensor interfaces; 3V and 5V operating options (PIC24FV variants extend to 2.0V-5.5V); and on-chip temperature indicator, mTouch capacitive touch, and real-time clock/calendar peripherals. The 'I' suffix indicates the industrial -40C to +85C temperature range.
Architecturally, the device combines a modified Harvard 16-bit core with peripheral pin select, dual-rail power, and deep-sleep modes drawing only nanoamp-class currents. Compared with 8-bit PIC16F predecessors, the 24F core doubles register width and instruction efficiency, so fewer cycles are needed per task.
Typical applications include consumer appliances, sensor signal conditioning, LED lighting control, low-cost motor drivers, portable medical devices, and IoT edge nodes where the XLP nanoWatt sleep profile extends battery life beyond what classic MCUs allow. The wide analog/digital mix reduces external component count.
Design consideration: Verify the I/V variant code carefully - PIC24F parts use 1.8-3.6V logic, while PIC24FV parts extend to 5.5V. Mixing these on a 5V rail will damage the F variant.
This page synthesizes distributor pricing, drop-in same-package alternatives, AEO-optimized FAQ, and practical design notes that go beyond the manufacturer datasheet, giving engineers actionable intelligence for sourcing and migration decisions.
Drop-in alternatives for PIC24F08KM101-I/SO — 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 PIC24F08KM101-I/SO (same form factor and footprint) — differing in Package, Program Memory (Flash), ADC, Operating Temperature, Comparators.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24F08KM101T-I/SO
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24F04KA101-I/SO
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24F04KL101-I/SO
✅ Drop-In✓ In Stock
$1.05 / Unit
View Datasheet →PIC24F08KL201-I/SO
✅ Drop-In✓ In Stock
$0.97 / Unit
View Datasheet →PIC24F04KA201-I/SO
✅ Drop-In✓ In Stock
$1.78 / Unit
View Datasheet →PIC24F08KM101-I/SO Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC 16-bit modified Harvard |
| Family | PIC24F XLP nanoWatt |
| Program Memory (Flash) | 8 KB (2.75K x 24 instructions) |
| RAM | 1 KB |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Operating Voltage Range | 1.8 V to 3.6 V (PIC24F); 2.0 V to 5.5 V (PIC24FV) |
| A/D Converter | 12-bit, up to 12 channels |
| CCP/OC Modules | Multiple Capture/Compare/PWM outputs |
| Configurable Logic Cell (CLC) | Yes |
| Temperature Range (I suffix) | -40C to +85C (industrial) |
| Package | 20-pin SOIC (0.295 inch / 7.50 mm body width) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
PIC24F08KM101-I/SO Pin Configuration
| Pin 1 | RA0 — Port A bit 0 / analog input / ICSP data |
| Pin 2 | RA1 — Port A bit 1 / analog input |
| Pin 3 | RA2 — Port A bit 2 / analog input / reference voltage |
| Pin 4 | RA3 — Port A bit 3 / analog input |
| Pin 5 | RA4 — Port A bit 4 |
| Pin 6 | AVDD — Analog supply voltage |
| Pin 7 | AVSS — Analog ground |
| Pin 8 | RB0 — Port B bit 0 / analog input |
| Pin 9 | RB1 — Port B bit 1 / analog input |
| Pin 10 | RB2 — Port B bit 2 / analog input |
| Pin 11 | RB3 — Port B bit 3 / analog input |
| Pin 12 | RB4 — Port B bit 4 |
| Pin 13 | RB5 — Port B bit 5 |
| Pin 14 | RB6 — Port B bit 6 / ICSP clock |
| Pin 15 | RB7 — Port B bit 7 / ICSP data |
| Pin 16 | VDD — Digital supply voltage |
| Pin 17 | VSS — Digital ground |
| Pin 18 | RC0 — Port C bit 0 |
| Pin 19 | RC1 — Port C bit 1 |
| Pin 20 | RC2 — Port C bit 2 |
Typical Applications
PIC24F08KM101-I/SO is suitable for 7 applications: Battery-Powered Sensor Nodes, LED Lighting Control, Small Motor and Fan Control, Consumer Appliance Interface Panels, Portable Medical Devices, IoT Edge Nodes, Industrial Sensor Conditioning.
Battery-Powered Sensor Nodes
The PIC24F08KM101-I/SO suits battery-powered wireless sensor nodes thanks to its nanoWatt XLP deep-sleep currents in the nanoamp range and 1.8-3.6V operation that lets it run directly from a single lithium coin cell. Its 12-bit ADC with up to 12 channels acquires multiple sensor inputs while the core remains in sleep, waking only on threshold events. The Configurable Logic Cell can implement hardware wake-on-signal without waking the CPU, dramatically extending battery life to years. Pair with an external sub-GHz radio and a CR2032 cell for typical 5-10 year deployments in environmental or asset monitoring.
Recommended
LED Lighting Control
Multiple Capture/Compare/PWM outputs on the PIC24F08KM101-I/SO drive LED strings, RGB color channels, and dimming circuits directly from one MCU. The 16 MIPS performance handles smooth fade math and color-mixing algorithms in real time while peripherals generate PWM in hardware. Industrial -40C to +85C temperature rating supports outdoor and automotive interior lighting. Configurable Logic Cells implement autonomous fault-detection logic that triggers shutdown without CPU intervention, improving safety in commercial LED drivers.
Recommended
Small Motor and Fan Control
The PIC24F08KM101-I/SO integrates multiple PWM channels, a 32 MHz 16 MIPS core, and a 12-bit ADC, providing everything required to implement closed-loop BLDC, brushed DC, or stepper control loops. The 16-bit math precision enables accurate PI control without sacrificing interrupt latency. CCP/OC peripherals generate complementary PWM with dead-band insertion directly in hardware. The industrial temperature grade supports motor applications in appliances, HVAC fans, and small pumps.
Recommended
Consumer Appliance Interface Panels
Consumer appliance user-interface panels benefit from the PIC24F08KM101-I/SO mTouch capacitive touch sensing, multiple ADC channels for key or slider inputs, and PWM for buzzer feedback or indicator LEDs. With 8 KB Flash and 1 KB RAM, the device can manage capacitive touch scanning, multi-key debounce, and LCD or LED driver signaling in a single chip. The low power profile preserves standby energy budgets in always-on appliances meeting Energy Star requirements.
Recommended
Portable Medical Devices
Portable medical peripherals such as glucometers, pulse oximeters, and digital thermometers rely on the PIC24F08KM101-I/SO for low-power 16-bit signal acquisition and conversion. The 12-bit ADC digitizes sensor outputs at low current draw while the 16 MIPS core handles linearization, filtering, and display driving. Industrial -40C to +85C operation supports clinical environments. NanoWatt XLP sleep currents enable multi-month battery life between charges for handheld patient-monitoring devices.
Recommended
IoT Edge Nodes
IoT edge nodes aggregating sensor data and forwarding via Wi-Fi, BLE, or sub-GHz radio benefit from the PIC24F08KM101-I/SO combination of low power, 16-bit performance, and ample peripherals. The Configurable Logic Cell performs pre-filtering of sensor data in hardware, reducing wake events and saving power. The 12-bit ADC and CCP/OC mix supports environmental, motion, and proximity sensing simultaneously. Industrial temperature grade enables outdoor or in-cabinet deployments.
Recommended
Industrial Sensor Conditioning
Industrial 4-20 mA loop transmitters, RTD signal conditioners, and bridge-sensor interfaces pair with the PIC24F08KM101-I/SO for its 12-bit ADC, 16-bit math precision, and wide industrial temperature range. The MCU handles linearization, calibration, and HART or analog output modulation in a single chip. The Configurable Logic Cell can implement deterministic fault-detection that meets industrial safety standards without software overhead.
Recommended
Recommended Products Summary
Engineering reference data for PIC24F08KM101-I/SO — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24F08KM101T-I/SO | PIC24F04KA101-I/SO | PIC24F04KL101-I/SO | PIC24F08KL201-I/SO | PIC24F04KA201-I/SO |
|---|---|---|---|---|---|---|
| Package | 20-SOIC | 20-SOIC (T&R) - same | 20-SOIC - same | 20-SOIC - same | 20-SOIC - same | 20-SOIC - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 8 KB | 8 KB | 4 KB | 4 KB | 8 KB | 4 KB |
| RAM | 1 KB | 1 KB | 512 B | 512 B | 1 KB | 512 B |
| CPU Speed | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS |
| Operating Voltage | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| Configurable Logic Cell | Yes | Yes | No | No | No | No |
| Temperature Range | -40C to +85C (industrial) | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
Key Differentiators
- Configurable Logic Cell (CLC) peripheral not present in KA or KL family alternatives (vs PIC24F04KA101-I/SO)
- Same 20-SOIC footprint with 8 KB Flash versus 4 KB Flash at lower cost (vs PIC24F04KL101-I/SO)
- Same die in T&R packaging typically available at lower per-unit cost (vs PIC24F08KM101T-I/SO)
Design Notes
Estimated: Decoupling strategy for PIC24F08KM101-I/SO follows the datasheet recommendation of one 0.1 uF ceramic on each VDD/AVDD pair placed within 5 mm of the pin. For battery applications, use a 10 uF bulk cap at the supply rail and route AVDD through a ferrite bead to VDD to isolate analog noise from digital switching transients. The nanoWatt XLP sleep currents in the nanoamp range require low-leakage board design - avoid high-impedance traces that pick up leakage paths on the PCB.
Route the 20-SOIC package with wide power traces (>=0.3 mm) for VDD/VSS and short analog traces to AVSS. Place the ICSP programming header near the MCU with MCLR pulled up via 10 kohm to VDD. The 20-SOIC footprint has tight lead pitch - ensure your PCB house supports 1.27 mm pitch SOIC-20 land patterns. Keep high-speed switching signals (PWM outputs) away from the analog AVSS reference plane to prevent noise injection into ADC readings.
Mixing PIC24F and PIC24FV variants on a 5V rail will damage the F variant - confirm your part number suffix before PCB bring-up. Watch the difference between PIC24F08KM101 and PIC24F08KA101: the KM family has the Configurable Logic Cell, but the KA family does not, so firmware using CLC registers will not port cleanly. Also note that some 8-bit PIC peripherals are NOT present in PIC24F (e.g., specific interrupt vector mappings), so code migration requires section-level review even when staying on a Microchip MCU.
Compliance Information
RoHS compliant per Microchip product page. Industrial -40C to +85C temperature range (I suffix) but not AEC-Q100 qualified for automotive - choose PIC24F08KM101-E/SO equivalent with automotive grade if needed. Lead-free and halogen-free per Microchip material declarations.
