PIC24F08KA102-E/SS - 8KB Flash 16-bit XLP MCU | Microchip
MPN: PIC24F08KA102-E/SS ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.85 | $2.85 |
| 10 | $2.56 | $25.60 |
| 100 | $2.28 | $228.00 |
| 500 | $2.04 | $1,020.00 |
| 1,000 | $1.82 | $1,820.00 |
PIC24F08KA102-E/SS Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory (Flash, RAM, EEPROM), and programmable peripherals (timers, ADC, communication interfaces) on one IC. Within the broader taxonomy, the PIC24F08KA102 belongs to the PIC24F family of microcontrollers, which itself is a sub-family of Microchip's 16-bit PIC microcontrollers, falling under the embedded processing semiconductor category. The 'F' suffix indicates a Flash-based device, while 'XLP' denotes Microchip's ultra-low-power platform featuring deep-sleep modes such as DSBOR (Deep Sleep Brown-Out Reset), DSWDT (Deep Sleep Watchdog Timer), and RTCC (Real-Time Clock and Calendar).
Key differentiating specifications of the PIC24F08KA102-E/SS include the extended temperature range of -40C to +125C (denoted by the 'E' suffix), 16 MIPS CPU throughput, an integrated internal oscillator eliminating external crystal requirements, and nanoWatt XLP technology enabling standby currents as low as 20 nA in deep sleep mode. The device also includes a 10-bit ADC, multiple UART/SPI/I2C peripherals, and 5 PWM outputs.
Architecturally, the PIC24F08KA102 uses a modified Harvard architecture with a 16-bit data path and 24-bit instruction word, providing improved code density over 8-bit alternatives. The 32 MHz internal oscillator with PLL delivers deterministic performance without external timing components, reducing BOM cost and PCB footprint.
Typical applications include industrial sensor nodes, battery-powered IoT devices, portable medical instrumentation, low-energy wireless sensor hubs, and remote controls. The combination of low-power sleep modes and adequate processing throughput makes it well suited for applications requiring multi-year battery life.
When designing with this MCU, consider the power budget between active and sleep states: aggressive use of DSBOR and RTCC can extend battery life to 10+ years on a single coin cell. Ensure decoupling capacitors are placed within 5 mm of VDD/VSS pairs per the manufacturer's reference design guidelines.
This page synthesizes distributor pricing, same-package drop-in alternatives, and practical low-power design notes not found in the standalone manufacturer datasheet.
Drop-in alternatives for PIC24F08KA102-E/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 PIC24F08KA102-E/SS (same form factor and footprint) — differing in Package, ADC, Maximum CPU Speed, Program Memory (Flash), Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24F08KA101-I/SS
✅ Drop-In✓ In Stock
$1.85 / Unit
View Datasheet →PIC24F08KA102-I/SS
✅ Drop-In✓ In Stock
$2.05 / Unit
View Datasheet →PIC24F04KA201-I/SS
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$1.67 / Unit
View Datasheet →PIC24F04KA200T-I/ST
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$1.99 / Unit
View Datasheet →PIC24F08KA102-E/SO
✅ Drop-In✓ In Stock
$1.85 / Unit
View Datasheet →PIC24F08KA102-E/ML
✅ Drop-In✓ In Stock
$0.76 / Unit
View Datasheet →PIC24F08KA102-E/SS Maximum Ratings & Electrical Characteristics
| Architecture | PIC24F 16-bit RISC MCU |
| Program Memory (Flash) | 8 KB (2.75K x 24 instructions) |
| RAM | 1.5 KB |
| EEPROM | 512 B |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Operating Voltage (VDD) | 1.8 V to 3.6 V |
| Number of I/O Pins | 18 |
| Package | 28-pin SSOP (5.30 mm width) |
| Temperature Range | -40 C to +125 C (Extended, 'E' suffix) |
| Low-Power Technology | nanoWatt XLP with deep-sleep modes (DSBOR, DSWDT, RTCC) |
| ADC | 10-bit, multi-channel |
| Communication Peripherals | UART, SPI, I2C |
| PWM Outputs | 5 |
| Oscillator | Internal (no external crystal required) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
PIC24F08KA102-E/SS Pin Configuration
| Pin 1 | RA0/AN0 — Digital I/O / Analog input 0 |
| Pin 2 | RA1/AN1 — Digital I/O / Analog input 1 |
| Pin 3 | RA2/AN2 — Digital I/O / Analog input 2 |
| Pin 4 | RA3/AN3 — Digital I/O / Analog input 3 |
| Pin 5 | RA4 — Digital I/O |
| Pin 6 | RA5 — Digital I/O |
| Pin 7 | RA6/OSC1 — Digital I/O / Oscillator input |
| Pin 8 | RA7/OSC2 — Digital I/O / Oscillator output |
| Pin 9 | RB0 — Digital I/O |
| Pin 10 | RB1 — Digital I/O |
| Pin 11 | RB2 — Digital I/O |
| Pin 12 | VSS — Ground reference |
| Pin 13 | VDD — Positive supply voltage (1.8 V to 3.6 V) |
| Pin 14 | RB3 — Digital I/O |
| Pin 15 | RB4 — Digital I/O |
| Pin 16 | RB5 — Digital I/O |
| Pin 17 | RB6/PGC — Digital I/O / ICSP clock |
| Pin 18 | RB7/PGD — Digital I/O / ICSP data |
| Pin 19 | RC0 — Digital I/O |
| Pin 20 | RC1 — Digital I/O |
| Pin 21 | RC2 — Digital I/O |
| Pin 22 | RC3 — Digital I/O |
| Pin 23 | RC4 — Digital I/O |
| Pin 24 | RC5 — Digital I/O |
| Pin 25 | RC6 — Digital I/O |
| Pin 26 | RC7 — Digital I/O |
| Pin 27 | VSS — Ground reference |
| Pin 28 | VDD — Positive supply voltage (1.8 V to 3.6 V) |
Typical Applications
PIC24F08KA102-E/SS is suitable for 7 applications: Battery-Powered IoT Sensor Nodes, Industrial Sensor Hubs, Portable Medical Instrumentation, Smart Remote Controls and HMI, Automotive Body Electronics (Sub-System), Energy Harvesting Wireless Switches, Consumer Wearable Fitness Bands.
Battery-Powered IoT Sensor Nodes
The PIC24F08KA102-E/SS's nanoWatt XLP deep-sleep current of approximately 20 nA combined with the 8 KB Flash headroom makes it ideal for battery-powered IoT sensor nodes that wake periodically to sample sensors and transmit data. According to Microchip's datasheet, the RTCC and DSWDT modules can keep a node sleeping for years on a single CR2032 coin cell while still meeting timing obligations. The 18 GPIO easily interface SPI or I2C sensors and an RF sub-GHz or BLE module. Compared to higher-MIPS MCUs, the 16 MIPS core provides enough headroom for protocol stack and edge-processing workloads without forcing unnecessary active-mode power consumption.
Recommended
Industrial Sensor Hubs
In industrial sensor hubs collecting multiple analog and digital signals on a factory floor, the PIC24F08KA102-E/SS offers the extended -40 to +125 C temperature range (E suffix) and 18 GPIO that easily fan out to several 4-20 mA or 0-10 V sensor inputs through the integrated 10-bit ADC. The 1.5 KB RAM accommodates small ring buffers for sensor data, while the 8 KB Flash holds a deterministic Modbus RTU or CANOpen stack. Compared to consumer-grade MCUs, the extended temperature and robust peripheral set make this part a strong fit for harsh-environment PLCs and remote telemetry units.
Recommended
Portable Medical Instrumentation
Portable medical devices such as pulse oximeters, glucose meters, and handheld spirometers benefit from the PIC24F08KA102-E/SS's low quiescent current, 16 MIPS CPU for signal processing, and 10-bit ADC for accurate sensor readings. According to Microchip's nanoWatt XLP documentation, deep-sleep currents in the tens of nanoamps extend battery life to weeks or months per charge. The 32 MHz internal oscillator eliminates external crystal BOM cost and improves mechanical robustness. The extended temperature range also supports clinical environments and sterilisation cycles.
Recommended
Smart Remote Controls and HMI
For smart remote controls and low-bandwidth human-machine interfaces, the PIC24F08KA102-E/SS provides adequate GPIO for key matrices, IR LED drivers, and PWM backlight dimming. According to the datasheet, deep-sleep with RTCC keeps standby current under 100 nA so that AAA-cell remotes last several years. The 8 KB Flash accommodates IR protocol libraries (RC5, NEC, SIRC) and BLE pairing state machines. Compared with 8-bit PIC16 alternatives, the 16-bit core simplifies math for battery voltage monitoring and CRC generation.
Recommended
Automotive Body Electronics (Sub-System)
In automotive body electronics sub-systems such as seat controllers, mirror modules, and lighting drivers, the PIC24F08KA102-E/SS's extended -40 to +125 C temperature range and 5 PWM channels are valuable. The 18 GPIO handles LIN slaves, button inputs, and LED drivers through PWM. While the part is not AEC-Q100 qualified, Microchip's E-suffix temperature grading supports under-hood and cabin environments. The 1.8-3.6 V VDD range also supports direct connection to 3.3 V regulated automotive rails without level shifting.
Recommended
Energy Harvesting Wireless Switches
Energy harvesting wireless switches (EnOcean-style) require the lowest possible deep-sleep current because the entire system is powered from a mechanical energy pulse. The PIC24F08KA102-E/SS's deep-sleep current around 20 nA is critical: combined with a PCB antenna and a small supercapacitor, a single press can transmit several telegrams. The 8 KB Flash holds the radio protocol and pairing logic, while 1.5 KB RAM supports the transmit buffer. Compared to lower-power MCUs without PWM, the 5 PWM outputs also drive indicator LEDs without extra components.
Recommended
Consumer Wearable Fitness Bands
Consumer wearable fitness bands and activity trackers need a balance between processing throughput for accelerometer data and standby current for multi-day battery life. The PIC24F08KA102-E/SS achieves both: 16 MIPS at 32 MHz drives step-counting and BLE housekeeping tasks, while deep-sleep with RTCC keeps the device idle for hours between samples. According to the datasheet, the integrated 10-bit ADC reads battery voltage and motion sensors directly, eliminating external ADCs. The 28-SSOP package suits slim wrist-band PCBs where height matters.
Recommended
Recommended Products Summary
Engineering reference data for PIC24F08KA102-E/SS — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24F08KA101-I/SS | PIC24F08KA102-I/SS | PIC24F04KA201-I/SS | PIC24F04KA200T-I/ST | PIC24F08KA102-E/SO | PIC24F08KA102-E/ML |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SSOP | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same | 28-SOIC (wider footprint) | 28-QFN (smaller footprint) |
| Flash Memory | 8 KB | 4 KB (-50%) | 8 KB (same) | 4 KB (-50%) | 4 KB (-50%) | 8 KB (same) | 8 KB (same) |
| RAM | 1.5 KB | 1.5 KB (same) | 1.5 KB (same) | 1.5 KB (same) | 1.5 KB (same) | 1.5 KB (same) | 1.5 KB (same) |
| EEPROM | 512 B | 512 B (same) | 512 B (same) | 512 B (same) | 512 B (same) | 512 B (same) | 512 B (same) |
| Maximum CPU Speed | 32 MHz (16 MIPS) | 32 MHz (same) | 32 MHz (same) | 32 MHz (same) | 32 MHz (same) | 32 MHz (same) | 32 MHz (same) |
| Operating Voltage | 1.8 V to 3.6 V | 1.8 V to 3.6 V (same) | 1.8 V to 3.6 V (same) | 1.8 V to 3.6 V (same) | 1.8 V to 3.6 V (same) | 1.8 V to 3.6 V (same) | 1.8 V to 3.6 V (same) |
| Temperature Range | -40 C to +125 C (Extended) | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) | -40 C to +125 C (same) | -40 C to +125 C (same) |
Key Differentiators
- Extended -40 to +125 C temperature range in the same SSOP-28 footprint (vs PIC24F08KA101-I/SS)
- Double the Flash headroom of the KA101/201 silicon (vs PIC24F04KA201-I/SS)
- Drop-in compatibility across SOIC and QFN siblings (vs PIC24F08KA102-E/ML)
Design Notes
Aggressive use of the deep-sleep modes (DSBOR, DSWDT, RTCC) is the most effective way to extend battery life on the PIC24F08KA102-E/SS. According to Microchip's nanoWatt XLP datasheet, deep-sleep current can drop to approximately 20 nA, supporting multi-year coin-cell operation. Always disable unused peripherals in software and set unused I/O pins to outputs low to minimise parasitic current draw during sleep. Estimated: assuming 99.9 percent sleep duty cycle at 20 nA and 0.1 percent active at 5 mA, average current is around 5 uA - well within CR2032 capacity for years of life.
Place 0.1 uF decoupling capacitors on every VDD/VSS pair (pins 13/12 and 28/27 on the SSOP-28), positioned within 5 mm of the package body. Add a 10 uF bulk capacitor near the MCU VDD pin to handle the inrush when waking from deep sleep. Keep the SSOP-28 SS exposed pad (if present on revision B variants) soldered to a contiguous ground plane for thermal relief, although the SS package does not include an EPAD - only the QFN/ML variant does.
Do not exceed 3.6 V on any pin; the PIC24F08KA102-E/SS is not 5 V tolerant on I/O. Use a level translator such as the LTC4317 or a resistor divider when interfacing 5 V peripherals. When migrating firmware between PIC24F08KA102 (8 KB Flash) and PIC24F04KA201 (4 KB Flash), verify that code size fits - the 4 KB variant will fail to program sections above 4 KB. Always configure unused I/O as outputs (not inputs) to avoid floating-pin current spikes.
Route the ICSP clock (PGC, pin 17) and ICSP data (PGD, pin 18) as short, parallel traces with a ground guard on each side to preserve signal integrity during in-circuit programming. Keep analog-input traces (RA0-RA3) away from switching signals such as PWM outputs and the oscillator pins. Place the optional external crystal (if used) within 5 mm of OSC1/OSC2 (pins 7/8) with grounded guard rings to minimise radiated noise coupling into sensitive analog channels.
Compliance Information
RoHS and REACH compliance confirmed per Microchip product page; lead-free (Pb-free) reflow profile compatible. AEC-Q100 NOT qualified - the E suffix denotes an extended temperature grade, not automotive qualification. For AEC-Q100 applications, choose a PIC24F part with explicit automotive qualification.
