PIC24F08KA101-E/SO - 8KB Flash 16-Bit XLP MCU | Microchip
料号： PIC24F08KA101-E/SO ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $2.85 | $2.85 |
| 10 | $2.52 | $25.20 |
| 100 | $2.18 | $218.00 |
| 500 | $1.89 | $945.00 |
| 1,000 | $1.65 | $1,650.00 |
PIC24F08KA101-E/SO 概述
A 16-bit MCU is a microcontroller built around a 16-bit data path, register file and ALU - intermediate between 8-bit MCUs (limited math and address space) and 32-bit Cortex-M devices (richer peripherals and code density). The PIC24F architecture fits the power-constrained, mixed-signal, sensor-interface tier where 8-bit performance is insufficient but 32-bit cost and current draw are overkill. Within the broader semiconductor taxonomy: microcontroller -> embedded processor -> integrated circuit.
Key features include Microchip's nanoWatt eXtreme Low Power (XLP) technology with deep-sleep modes (DSBOR, DSWDT), a Real-Time Clock/Calendar (RTCC), 10-bit ADC, multiple serial interfaces, and ultra-low sleep current for battery-powered designs. The integrated 32 MHz oscillator eliminates an external crystal, simplifying BOM and shrinking PCB area.
The PIC24F08KA101 uses a modified Harvard architecture with a 16-bit instruction word, dedicated peripherals mapped through Peripheral Pin Select (PPS) for flexible pin mapping, and configurable power management that lets active and sleep current be tuned by application. XLP technology drops quiescent current into the sub-microamp range in deep sleep, enabling multi-year battery life in always-on applications.
Typical applications include portable medical and fitness devices, remote sensors, IoT edge nodes, smart metering, electronic shelf labels, battery-backed security peripherals, and consumer handheld products. The wide operating voltage range suits single-cell Li-ion (2.5 V/3.3 V rails) and dual-cell alkaline designs.
When designing with the PIC24F08KA101-E/SO, take advantage of the on-chip 32 MHz oscillator and PPS to minimize external components; for sleep-current-critical applications, route unused pins properly and use the deep-sleep wake sources (RTCC, WDT, external interrupt) instead of polling loops.
This page synthesizes distributor pricing, drop-in SOIC-20 alternatives, and practical low-power design notes not consolidated on any single distributor or manufacturer page.
直接替换替代料： PIC24F08KA101-E/SO ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： PIC24F08KA101-E/SO （相同外形与封装尺寸） ——差异在于 ADC, Core Architecture, Operating Temperature, Package, MSL Level.
快速对比工具——选择替代料号进行并排对比：
PIC24F08KA101-I/SO
✅ 直接替换✓ 有现货
$1.49 / 个
查看数据手册 →PIC24F08KA101T-I/SO
✅ 直接替换📋 参考替代料（不在目录中）
PIC24F04KA201-I/SO
✅ 直接替换✓ 有现货
$1.78 / 个
查看数据手册 →PIC24F04KL101-I/SO
✅ 直接替换✓ 有现货
$1.05 / 个
查看数据手册 →PIC24F08KA101-E/SO 最大额定值与电气特性
| Core Architecture | PIC24F 16-bit modified Harvard |
| Program Memory (Flash) | 8 KB (2.75K x 24) |
| Data SRAM | 1.5 KB |
| Data EEPROM | 512 B |
| Maximum CPU Speed | 16 MIPS at 32 MHz |
| Operating Voltage (VDD) | 1.8 V to 3.6 V |
| Typical Operating Voltage | 2.5 V / 3.3 V |
| Number of I/O Pins | 18 |
| 封装 | 20-pin SOIC (7.50 mm / 0.295 inch width) |
| 安装类型 | Surface Mount |
| Oscillator | Internal 32 MHz (with PLL) |
| ADC | 10-bit, multi-channel |
| Low-Power Technology | nanoWatt XLP (deep sleep, DSBOR, DSWDT) |
| Peripherals | RTCC, UART, SPI, I2C, timers, PWM, comparator |
| 工作温度 | -40 C to +125 C (E = Extended) |
| MSL 等级 | 1 (unlimited at <=30 C / 85% RH) |
| RoHS 状态 | Compliant |
| Lead-Free / Halogen-Free | Lead-free per Microchip ordering info |
PIC24F08KA101-E/SO 引脚配置
| 引脚 1 | MCLR — Master Clear (reset) input, active low |
| 引脚 2 | RA0 — I/O / analog input AN0 / CVREF+ |
| 引脚 3 | RA1 — I/O / analog input AN1 |
| 引脚 4 | RB0 — I/O / AN2 / PGED1 |
| 引脚 5 | RB1 — I/O / AN3 / PGEC1 |
| 引脚 6 | RB2 — I/O / AN4 |
| 引脚 7 | RB3 — I/O / AN5 |
| 引脚 8 | VSS — Ground reference |
| 引脚 9 | OSC1 — Crystal oscillator input / external clock |
| 引脚 10 | OSC2 — Crystal oscillator output |
| 引脚 11 | RB4 — I/O / SDA1 (PPS) |
| 引脚 12 | RB5 — I/O / SCL1 (PPS) |
| 引脚 13 | RB6 — I/O / PGC |
| 引脚 14 | RB7 — I/O / PGD |
| 引脚 15 | RA2 — I/O / analog input AN6 |
| 引脚 16 | RA3 — I/O / analog input AN7 |
| 引脚 17 | RA4 — I/O / analog input AN8 |
| 引脚 18 | RA5 — I/O / analog input AN9 |
| 引脚 19 | VSS — Ground reference |
| 引脚 20 | VDD — Positive supply voltage (1.8 V to 3.6 V) |
典型应用
PIC24F08KA101-E/SO 适用于 7 应用s: Battery-Powered IoT Sensor Nodes, Portable Medical and Fitness Devices, Smart Metering and Energy Monitoring, Electronic Shelf Labels (ESL) and Retail Displays, Industrial Sensor Signal Conditioning, Consumer Handheld Remote Controls, Automotive-Grade Body Electronics (Non-Safety).
Battery-Powered IoT Sensor Nodes
Why the PIC24F08KA101-E/SO fits battery-powered IoT sensor nodes: the nanoWatt XLP deep-sleep current (sub-microamp with DSBOR/DSWDT retained) combined with 32 MHz active performance lets the node wake, sample, transmit, and return to sleep while running for years from a coin cell or 2x AA pack. With 8 KB Flash (2.75K x 24 instructions), 1.5 KB SRAM, and 512 B EEPROM, the device is sized for small sensor-protocol stacks (proprietary sub-GHz, BLE-beaconing lite, LoRaWAN device firmware). How it is used + performance consideration: the MCU wakes from RTCC or external interrupt, reads the on-chip 10-bit ADC for sensor data, stores a rolling window in the 512 B EEPROM, and returns to deep sleep; a key trade-off is that PPS-mapped peripheral flexibility costs 1-2 MIPS overhead versus fixed-pin peripherals - design firmware to keep deep-sleep duty cycle under 0.1% for multi-year battery life.
推荐
Portable Medical and Fitness Devices
Why the PIC24F08KA101-E/SO fits portable medical/fitness devices: the wide 1.8-3.6 V operating range covers single-cell Li-ion (2.5 V/3.3 V rails), and the XLP deep-sleep modes enable continuous wearable operation on small batteries while the extended -40 to +125 C temperature grade handles body-heat and cold-weather exercise profiles. With 8 KB Flash and 1.5 KB SRAM, the device runs step-counter, heart-rate signal conditioning glue, and BLE advertisement state machines. How it is used + performance consideration: the MCU drives a small OLED or LED indicator through PWM, samples pulse-oximeter photodiode signals via the 10-bit ADC, and uses RTCC for timekeeping; the trade-off vs 32-bit Cortex-M alternatives is lower computational throughput - adequate for sampled-and-averaged vitals but not for on-device DSP of high-rate ECG.
推荐
Smart Metering and Energy Monitoring
Why the PIC24F08KA101-E/SO fits smart metering: its low active and sleep currents suit line-powered meters with battery-backed RTC memory, and the wide operating voltage handles rectified mains-derived rails. The 8 KB Flash supports metering protocol stacks, and the RTCC maintains real-time-clock functions across power cycles with deep-sleep retention. How it is used + performance consideration: the MCU measures instantaneous power via ADC, accumulates kWh in EEPROM, and periodically transmits via a wired/wireless M-Bus link; the trade-off is that running metering math at full 16 MIPS increases active current draw - schedule intensive computation in bursts and return to deep sleep to preserve RTC battery.
推荐
Electronic Shelf Labels (ESL) and Retail Displays
Why the PIC24F08KA101-E/SO fits ESL applications: deep-sleep current in the sub-microamp range with RTCC wake-up allows multi-year battery life on coin cells, while 8 KB Flash accommodates ESL link-layer firmware and simple display drivers. The 18 I/O pins in the 20-pin SOIC drive small e-ink or segment LCDs through PWM and GPIO. How it is used + performance consideration: the MCU sleeps 99.9% of the time, wakes on RTCC tick or wireless sub-GHz packet, refreshes the display, and returns to sleep; the trade-off is no integrated LCD controller - external segment drivers or bit-banged LCD waveforms are required.
推荐
Industrial Sensor Signal Conditioning
Why the PIC24F08KA101-E/SO fits industrial sensor signal conditioning: the extended -40 to +125 C operating range tolerates factory-floor temperatures, and the 10-bit ADC plus analog comparator handle thermocouple, RTD, and 4-20 mA loop signal chains. The 32 MHz internal oscillator eliminates an external crystal on noisy industrial PCBs. How it is used + performance consideration: the MCU digitizes sensor signals, applies calibration polynomials in firmware, and outputs a clean 4-20 mA or digital bus signal; the trade-off is that 10-bit ADC resolution (1024 codes) is insufficient for high-precision instrumentation - choose 12-bit PIC24F variants or external ADC if <0.1% accuracy is required.
推荐
Consumer Handheld Remote Controls
Why the PIC24F08KA101-E/SO fits consumer handheld remote controls: nanoWatt XLP delivers multi-year coin-cell life in always-listening remotes with IR/RF wake, and the wide VDD range tolerates battery droop from 3.6 V fresh to 1.8 V near-end-of-life. The 8 KB Flash fits IR protocol libraries (RC5/RC6/Sony/Samsung) plus custom button-mapping logic. How it is used + performance consideration: the MCU sleeps until a key-matrix interrupt wakes it, transmits the IR/RF packet, and re-enters deep sleep; the trade-off vs ultra-low-end 8-bit PIC16 is higher cost per unit, justified only if a richer protocol stack or BLE-beacon side-function is needed.
推荐
Automotive-Grade Body Electronics (Non-Safety)
Why the PIC24F08KA101-E/SO fits non-safety automotive body electronics: the Extended temperature grade (-40 to +125 C) handles under-dash and door-module thermal environments. However, this part is NOT AEC-Q100 qualified - it is suitable for non-safety modules where OEM automotive quality processes are not mandated (aftermarket, accessory, prototyping). How it is used + performance consideration: the MCU drives seat-control buttons, mirror-adjustment H-bridges via PWM, and LIN/CAN-bus side-functions; the trade-off is that production automotive designs should migrate to the AEC-Q100-qualified dsPIC33 or PIC18 K-series variants rather than the PIC24F08KA101-E/SO.
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推荐产品汇总
工程参考数据： PIC24F08KA101-E/SO ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | PIC24F08KA101-I/SO | PIC24F08KA101T-I/SO | PIC24F04KA201-I/SO | PIC24F04KL101-I/SO | PIC24F08KA101-E/P |
|---|---|---|---|---|---|---|
| Package | 20-pin SOIC (7.50 mm) | 20-pin SOIC (7.50 mm) - same | 20-pin SOIC (7.50 mm) - same | 20-pin SOIC (7.50 mm) - same | 20-pin SOIC (7.50 mm) - same | 20-pin PDIP - different footprint |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 8 KB | 8 KB | 8 KB | 4 KB | 16 KB | 8 KB |
| SRAM | 1.5 KB | 1.5 KB | 1.5 KB | 0.5 KB | 1 KB | 1.5 KB |
| 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 |
| Temperature Grade | Extended (-40 to +125 C) | Industrial (-40 to +85 C) | Industrial (-40 to +85 C) | Industrial (-40 to +85 C) | Industrial (-40 to +85 C) | Extended (-40 to +125 C) |
| I/O Pins | 18 | 18 | 18 | 18 | 18 | 18 |
| Low-Power XLP Features | nanoWatt XLP (DSBOR/DSWDT/RTCC) | nanoWatt XLP - same | nanoWatt XLP - same | nanoWatt XLP - same | nanoWatt XLP - similar | nanoWatt XLP - same |
关键差异点
- Extended temperature grade (-40 to +125 C) in SOIC-20 wide body （对比 PIC24F08KA101-I/SO)
- nanoWatt XLP deep-sleep with RTCC retention （对比 PIC24F04KL101-I/SO)
- 20-pin SOIC wide-body (7.50 mm) for hand-solder-friendly SMT （对比 PIC24F08KA101-E/P (PDIP))
设计说明
Estimated: at VDD = 3.3 V, CPU = 32 MHz active, the PIC24F08KA101-E/SO draws on the order of 8-15 mA active, while deep sleep (RTCC retained, DSBOR enabled) drops to ~20 nA - a > 100,000x ratio. To achieve multi-year battery life, target a sleep duty cycle above 99.9%; use RTCC wake or external interrupts rather than polling loops. The on-chip 32 MHz internal oscillator eliminates the always-on external crystal current (typically 1-5 mA) that dominates many 8-bit designs.
Place the 0.1 uF VDD decoupling capacitor within 3 mm of pin 20, with a short wide trace to the ground plane. For the SOIC-20 wide-body, a 4-layer PCB with a dedicated ground plane below the MCU is recommended to keep oscillator noise out of the analog ADC inputs. Unused I/O pins should be configured as outputs low (or inputs with the weak pull-up enabled) to minimize phantom supply current in deep sleep.
Do not exceed 3.6 V on VDD - the PIC24F08KA101-E/SO has no 5 V tolerance on I/O. When migrating firmware from PIC24F04KA201 to PIC24F08KA101, verify that the increased Flash changes linker section boundaries; the Interrupt Vector Table (IVT) location is fixed but code sections shift. The MCLR pin must not be left floating - tie it to VDD through a 10 kohm resistor for normal operation, or pull low for reset.
Route the ICSP pins (PGED1/PGEC1 on RB4/RB5 by default, or PPS-mapped) with short, parallel traces and a ground guard on each side to preserve programming/debug signal integrity in production environments. If the design uses the RTCC with an external 32.768 kHz crystal, place the crystal within 5 mm of the SOSCO/SOSCI pins and surround it with a grounded copper keep-out to attenuate coupled noise.
合规信息
Per Microchip product page, the PIC24F08KA101 family is RoHS compliant and lead-free. The Extended (E) temperature grade is industrial/automotive-adjacent but is NOT AEC-Q100 qualified; for AEC-Q100 automotive safety applications choose dsPIC33 or PIC18 K-series variants.
