PIC24F08KL201T-I/SS - 8KB Flash 16-bit MCU XLP | Microchip
MPN: PIC24F08KL201T-I/SS ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.95 | $0.95 |
| 10 | $0.86 | $8.60 |
| 100 | $0.78 | $78.00 |
| 500 | $0.71 | $355.00 |
| 1,000 | $0.65 | $650.00 |
PIC24F08KL201T-I/SS Overview
A 16-bit microcontroller is a single-chip computer whose data path, registers, and arithmetic logic unit are all 16 bits wide, giving it roughly an order-of-magnitude more computational throughput than an 8-bit MCU. Within the broader embedded hierarchy, PIC24F devices sit between 8-bit PIC10/PIC12/PIC16/PIC18 controllers and 32-bit ARM Cortex-M parts, making them ideal for cost-sensitive applications that need more MIPS and more deterministic interrupt handling than 8-bit parts but do not require the cost or complexity of an ARM core.
Key features of the PIC24F08KL201T-I/SS include: integrated nanoWatt XLP technology for sleep currents measured in nanoamps, a 10-bit ADC with multiple input channels, an MSSP peripheral that handles both I2C and SPI, a CCP module for capture/compare/PWM, and a wide 1.8V to 3.6V operating voltage range. Together these peripherals provide flexibility for sensor reading, communication, and low-power control without needing external components.
The architecture is a Harvard-style 16-bit RISC core with a 3-stage pipeline and hardware multiply/divide, allowing efficient C-code execution. With 8 KB Flash organized as 2.75K x 24 instruction words, 512 B SRAM, and 512 B data EEPROM, the part is positioned for applications where deterministic response, low power, and a small package outweigh raw memory depth.
Typical applications include battery-powered sensor nodes, wearable health and fitness devices, low-cost remote controls, home automation peripherals, industrial sensor transmitters, and small consumer appliances. The 20-pin SSOP footprint and minimal external component count also suit retrofit designs migrating from PIC18 to PIC24F.
When designing, observe the 1.8V to 3.6V supply window, place the decoupling capacitor as close to VDD as possible, and use the ICSP pins (PGECx/PGEDx) for in-circuit debugging and programming via MPLAB tools.
This page synthesizes distributor pricing, drop-in Microchip alternatives, and practical design notes that go beyond the manufacturer datasheet.
Drop-in alternatives for PIC24F08KL201T-I/SS — 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 PIC24F08KL201T-I/SS (same form factor and footprint) — differing in Package, ADC, Operating Temperature, Program Memory (Flash), Core.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24F08KL201-I/SS
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24F08KL201-I/SO
✅ Drop-In✓ In Stock
$0.97 / Unit
View Datasheet →PIC24F08KA102-I/SS
✅ Drop-In✓ In Stock
$2.05 / Unit
View Datasheet →PIC24F08KA102T-I/SS
✅ Drop-In✓ In Stock
$2.25 / Unit
View Datasheet →PIC24F04KL101T-I/SS
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24F08KL201T-I/SS Maximum Ratings & Electrical Characteristics
| Core | PIC24F (16-bit RISC) |
| Program Memory (Flash) | 8 KB (2.75K x 24 words) |
| Data SRAM | 512 B |
| Data EEPROM | 512 B |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| ADC | 10-bit, 3V |
| Operating Voltage (VDD) | 1.8 V to 3.6 V |
| Operating Temperature | -40C to +85C (industrial) |
| Package | SSOP-20 |
| Mounting Type | Surface Mount |
| Low-Power Technology | nanoWatt XLP |
| Communication Peripherals | MSSP (I2C/SPI), UART |
| Capture/Compare/PWM | CCP module |
| ICSP | Yes (In-Circuit Serial Programming) |
| RoHS Status | Compliant |
PIC24F08KL201T-I/SS Pin Configuration
| Pin 1 | RA0 — Digital I/O / analog input AN0 |
| Pin 2 | RA1 — Digital I/O / analog input AN1 |
| Pin 3 | RA2 — Digital I/O / analog input AN2 / CVREF |
| Pin 4 | RA3 — Digital I/O / analog input AN3 |
| Pin 5 | RA4 — Digital I/O / analog input AN4 / SOSCO |
| Pin 6 | RA5 — Digital I/O / analog input AN5 / SOSCI |
| Pin 7 | RA6 — Digital I/O / analog input AN6 / CLKOUT |
| Pin 8 | RA7 — Digital I/O / analog input AN7 |
| Pin 9 | VSS — Ground reference |
| Pin 10 | VDD — Positive supply (1.8 V to 3.6 V) |
| Pin 11 | RB0 — Digital I/O / PGED1 (ICSP data) |
| Pin 12 | RB1 — Digital I/O / PGEC1 (ICSP clock) |
| Pin 13 | RB2 — Digital I/O |
| Pin 14 | RB3 — Digital I/O |
| Pin 15 | RB4 — Digital I/O / SDA1 (I2C data) |
| Pin 16 | RB5 — Digital I/O / SCL1 (I2C clock) |
| Pin 17 | RB6 — Digital I/O / PGD (ICSP data) |
| Pin 18 | RB7 — Digital I/O / PGC (ICSP clock) |
| Pin 19 | MCLR — Master Clear (reset, active-low) |
| Pin 20 | OSCI/CLKI — Crystal oscillator input or external clock |
Typical Applications
PIC24F08KL201T-I/SS is suitable for 6 applications: Battery-Powered IoT Sensor Nodes, Wearable Health and Fitness Devices, Industrial Sensor Transmitters, Home Automation Peripherals, Remote Controls and HIDs, Small Consumer Appliances.
Battery-Powered IoT Sensor Nodes
The PIC24F08KL201T-I/SS fits IoT sensor nodes because its nanoWatt XLP technology delivers deep-sleep currents in the tens of nanoamps with RAM retention, while the 1.8-3.6 V VDD range accepts single-cell Li-ion (3.0-3.6 V) or two AA cells (2.0-3.2 V) directly without a boost converter. With 8 KB Flash, 512 B SRAM, and a 16 MIPS core, the part handles basic sensor read, threshold logic, and I2C/SPI communication via MSSP. Placed on a coin-cell board, it can run for years on duty-cycled wakeups where a faster Cortex-M0+ would burn more sleep current. Compared to a bare 8-bit PIC18, the 16-bit core gives cleaner math for filtered sensor values.
Recommended
Wearable Health and Fitness Devices
The PIC24F08KL201T-I/SS supports wearable health devices because its nanoWatt XLP sleep current, 16 MIPS throughput, and small SSOP-20 footprint fit wristbands and patches where board area and battery life are critical. The 10-bit ADC digitizes photodiode or bio-impedance signals from heart-rate or pulse-oximetry sensors, while the MSSP peripheral streams processed data over I2C/SPI to a host BLE module. Unlike a 32-bit Cortex-M0+ at the same MHz, the KL201 draws less sleep current for the same duty cycle, extending coin-cell runtime. Designers should budget pin allocation for both an analog sensor channel and a digital host link.
Recommended
Industrial Sensor Transmitters
The PIC24F08KL201T-I/SS fits industrial 4-20 mA or wireless sensor transmitters because its industrial -40C to +85C temperature grade and 1.8-3.6 V supply work with regulated 24V loop or 3.3V instrumentation rails. The 10-bit ADC digitizes bridge sensors, RTDs, or thermistors, while the 16 MIPS core runs linearization and calibration math at update rates up to a few hundred Hz. Housed in SSOP-20, the part survives factory environments when paired with conformal coating. Designers should add ESD protection on analog inputs and a watchdog timer for field reliability, since loop-powered nodes cannot be reset remotely.
Recommended
Home Automation Peripherals
The PIC24F08KL201T-I/SS suits home automation peripherals such as battery-powered door/window sensors, remote controls, and simple thermostats where the nanoWatt XLP sleep current lets a coin cell last 5+ years. The MSSP supports I2C communication with sensors and SPI links to wireless sub-GHz or BLE modules. The 16-bit core eases 32-bit math used in HVAC averaging and PID loops for low-end thermostats. Designers can use the same PCB footprint across product variants by selecting the non-T tube version (PIC24F08KL201-I/SS) for low-volume builds.
Recommended
Remote Controls and HIDs
The PIC24F08KL201T-I/SS works well in remote controls and human-interface devices where its 1.8-3.6 V supply, 16 MIPS throughput, and SSOP-20 footprint fit battery-powered handhelds. The 10-bit ADC reads potentiometers or resistive touch pads, while the MSSP drives SPI LCDs or I2C key-scan expanders. Unlike a 32-bit part, the KL201 wakes from sleep in microseconds, preserving battery life during long idle periods. Designers should reserve pins for IR LED PWM (via CCP) and for matrix-scanned key inputs in a typical 4x4 keypad.
Recommended
Small Consumer Appliances
The PIC24F08KL201T-I/SS targets small consumer appliances such as coffee grinders, blenders, and air purifiers because its 32 MHz core drives CCP PWM outputs for motor control, and its 1.8-3.6 V supply accepts a small buck regulator from mains. The 10-bit ADC reads temperature, current, or rotary-encoder signals, while 8 KB Flash holds the application state machine and basic UI logic. Compared to a PIC18 at the same MHz, the 16-bit core simplifies timer management for BLDC commutation loops. Designers should add TVS protection on the AC side and isolate the SSOP-20 control board from switching noise.
Recommended
Recommended Products Summary
Engineering reference data for PIC24F08KL201T-I/SS — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24F08KL201-I/SS | PIC24F08KA102-I/SS | PIC24F04KL101T-I/SS |
|---|---|---|---|---|
| Package | SSOP-20 | SSOP-20 (same) | SSOP-20 (same) | SSOP-20 (same) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 8 KB | 8 KB | 8 KB | 4 KB |
| SRAM | 512 B | 512 B | 1 KB | 512 B |
| Max CPU Speed | 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 |
| Packaging Form | Tape & Reel (T) | Tube | Tube | Tape & Reel |
| MSSP (I2C/SPI) | Yes | Yes | Limited | Yes |
Key Differentiators
- Tape-and-reel packaging for high-volume pick-and-place assembly (vs PIC24F08KL201-I/SS)
- Larger SRAM for buffering sensor streams (vs PIC24F08KA102-I/SS)
- Industrial temperature grade for harsh environments (vs PIC24F08KL200T-I/SS)
Design Notes
The PIC24F08KL201T-I/SS operates from 1.8 V to 3.6 V; placing a 100 nF decoupling capacitor within 3 mm of the VDD pin and a 10 uF bulk capacitor on the same rail is recommended. For battery applications, the MCP1700 LDO draws only ~1.6 uA quiescent current, preserving nanoWatt XLP sleep performance. Estimated: with a 220 mAh CR2032 and 1 uA average draw, runtime approaches 25 years; always verify with the actual duty cycle in firmware profiling.
Keep the ICSP lines PGEC1/PGED1 (RB1/RB0) and PGC/PGD (RB7/RB6) away from switching traces; these pins share the high-voltage programming signal during in-circuit serial programming. Use a 4.7 kohm pull-up on MCLR to VDD to prevent spurious resets. Place the 20 MHz or 32 kHz crystal close to OSCI/OSCO with short, symmetric traces and a guard ground ring to reduce EMI pickup on low-power wakeups.
Do not exceed 3.6 V on VDD; the part is NOT 5 V tolerant. The analog inputs share digital I/O cells and must be configured as analog before ADC sampling, otherwise digital-input leakage corrupts low-current measurements. When migrating from PIC18 code, note that PIC24F configuration bits are programmed differently and the WDT has separate enable bits; using older PIC18 headers silently disables peripherals.
Compliance Information
RoHS and REACH compliant per distributor listings. Not AEC-Q100 qualified; this part targets industrial/consumer applications.
