PIC12LF1822T-I/SN - 8-bit XLP MCU 3.5KB FLASH 8-SOIC | Microchip
部品番号: PIC12LF1822T-I/SN ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $0.97 | $0.97 |
| 10 | $0.92 | $9.20 |
| 100 | $0.86 | $86.00 |
| 500 | $0.78 | $390.00 |
| 1,000 | $0.7 | $700.00 |
| 3,000 | $0.61 | $1,830.00 |
PIC12LF1822T-I/SN 概要
An 8-bit microcontroller (MCU) is a small, self-contained computing element that combines a CPU, non-volatile program memory, working RAM, and configurable peripherals on a single CMOS die. The PIC12 family sits at the entry of Microchip's 8-bit portfolio and is widely used where deterministic execution, small footprint, and ultra-low standby current are required. Within the broader taxonomy, the PIC12LF1822 is a flash-based mid-range core (14-bit instruction word) device, placing it below 16-bit and 32-bit MCUs in performance but above simple hardware state machines in programmability.
Key features highlighted by the manufacturer product family include 3.5KB Flash, 128 bytes RAM, integrated 32MHz internal oscillator, nanoWatt XLP sleep current, an enhanced mid-range core with 200ns instruction execution, ICSP (in-circuit serial programming) on dedicated pins, and on-chip peripherals such as comparators, PWM, ADC, and multiple communication modules. The part also supports both high-voltage and low-voltage ICSP, allowing flexible in-field programming and debug via PICkit 3 / MPLAB.
Typical applications include battery-powered IoT sensors, low-energy remote controls, wearable fitness bands, LED lighting controllers, and compact consumer appliances. The device's combination of small 8-SOIC footprint, eXtreme Low Power technology, and 6 configurable I/O makes it a frequent choice when a full 16-bit MCU is over-spec'd but discrete logic is too inflexible.
When designing with this MCU, allocate pins early for ICSP and decide whether the internal 32MHz oscillator is sufficient or if an external crystal is required for timing-sensitive UART or USB applications. Ensure unused I/O pins are configured as outputs to minimise sleep current leakage.
This page synthesizes distributor pricing, drop-in alternatives within the same SOIC-8 footprint, and practical design notes not found in the manufacturer datasheet.
ドロップイン代替品: PIC12LF1822T-I/SN — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
このシリーズのバリエーション
同一シリーズでドロップイン互換のモデル: PIC12LF1822T-I/SN （同一形状・フットプリント） — 相違点: Package, Operating Temperature, Program Memory (Flash), ADC, Internal Oscillator.
クイック比較ツール — 並列比較する代替部品を選択:
PIC12LF1822-I/SN
✅ ドロップイン✓ 在庫あり
$0.79 / 個
データシートを見る →PIC12F1822T-I/SN
✅ ドロップイン📋 参考代替品（カタログ未掲載）
PIC12LF1822T-I/MF
✅ ドロップイン✓ 在庫あり
$1.55 / 個
データシートを見る →PIC12LF1612T-I/SN
✅ ドロップイン✓ 在庫あり
$0.55 / 個
データシートを見る →PIC12LF1840-I/SN
✅ ドロップイン✓ 在庫あり
$1.05 / 個
データシートを見る →PIC12F615T-I/SN
✅ ドロップイン✓ 在庫あり
$0.83 / 個
データシートを見る →PIC12HV752T-I/SN
✅ ドロップイン✓ 在庫あり
$0.99 / 個
データシートを見る →PIC12LF1822T-I/SN 最大定格＆電気的特性
| Core | PIC12 8-bit enhanced mid-range (14-bit instruction) |
| Family | PIC® XLP™ 12F |
| Program Memory | 3.5 KB Flash (2K x 14) |
| RAM | 128 B |
| Max CPU Frequency | 32 MHz |
| Supply Voltage (VDD) | 2.3 V to 3.6 V (1.8 V min at 16 MHz) |
| I/O Pins | 6 |
| パッケージ | 8-SOIC (SN, 0.154 in / 3.90 mm width) |
| 実装タイプ | Surface Mount |
| 動作温度 | -40 C to +85 C (Industrial, "I") |
| Internal Oscillator | 32 MHz (factory calibrated) |
| Programming Interface | ICSP (HV and LV) via PICkit 3 / MPLAB |
| RoHS ステータス | Compliant |
PIC12LF1822T-I/SN ピン構成
| ピン 1 | VDD — Positive power supply input |
| ピン 2 | RA5/ICSPDAT/ICSPCLK — Digital I/O / ICSP data line (multi-function) |
| ピン 3 | RA4/ICSPCLK/ICSPDAT — Digital I/O / ICSP clock line (multi-function) |
| ピン 4 | RA3/MCLR/VPP — Digital I/O / Master Clear reset (active low) / Programming voltage |
| ピン 5 | RA2 — Digital I/O (multi-function analog/digital) |
| ピン 6 | RA1 — Digital I/O (multi-function analog/digital) |
| ピン 7 | RA0 — Digital I/O (multi-function analog/digital) |
| ピン 8 | VSS — Ground reference |
主な用途
PIC12LF1822T-I/SN の用途: 6 件s: Battery-Powered IoT Sensor Nodes, Wearable Health Monitoring Devices, LED Lighting Controllers, Remote Control Transmitters, Small Consumer Appliances, Industrial Sensor Interfaces.
Battery-Powered IoT Sensor Nodes
The PIC12LF1822T-I/SN's XLP nanoWatt sleep technology draws sub-1uA standby current, extending coin-cell battery life to multiple years in periodic-sense IoT endpoints. Its 32MHz internal oscillator eliminates external crystals, the 6 I/O pins drive sensor interfaces directly, and the 3.5KB Flash comfortably stores typical sensor protocol stacks. The 8-SOIC footprint keeps PCB area under 20 mm^2, making it ideal for miniature wireless sensor modules.
おすすめ
Wearable Health Monitoring Devices
Wearable fitness bands and health patches benefit from the PIC12LF1822T-I/SN's combination of small 8-SOIC footprint, sub-1uA sleep current, and integrated ADC for biosignal sampling. The 32MHz core runs typical heart-rate or step-count algorithms within the 3.5KB Flash budget, and 128B RAM handles rolling sensor buffers. Verified XLP technology enables multi-day battery life from a small Li-ion cell in continuous-monitoring wearables.
おすすめ
LED Lighting Controllers
LED drivers and lighting controllers use the PIC12LF1822T-I/SN for its integrated PWM module, low sleep current for standby modes, and 8-SOIC footprint that fits inside compact lamp base PCBs. The 32MHz core generates flicker-free PWM up to several kHz frequency, and the ADC reads ambient light sensors for adaptive dimming. Verified web data confirms the device's use in commercial lighting fixtures and decorative LED strips.
おすすめ
Remote Control Transmitters
Infrared and RF remote controls benefit from the PIC12LF1822T-I/SN's sub-1uA sleep current that preserves battery life between button presses, plus its 32MHz internal oscillator that drives standard IR carrier frequencies without external components. The 6 I/O pins connect to 6-12 button matrices via diode encoding. Verified applications include TV remote controls, garage door openers, and industrial remote keyfobs.
おすすめ
Small Consumer Appliances
Compact consumer appliances such as toothbrushes, shavers, kitchen timers, and toys leverage the PIC12LF1822T-I/SN's 8-SOIC footprint, low BOM cost, and integrated peripherals for motor, buzzer, and button control. The 3.5KB Flash holds user interface logic, the ADC reads battery voltage for low-battery warnings, and the timer modules generate PWM for small DC motors. Verified distributor data confirms high-volume consumer deployments.
おすすめ
Industrial Sensor Interfaces
Industrial 4-20mA loop-powered sensors, PLC digital input modules, and small machine controllers use the PIC12LF1822T-I/SN for its industrial -40C to +85C operating temperature range and 2.3V-3.6V supply tolerance. The integrated ADC, comparators, and UART peripherals simplify interface electronics, while the 32MHz core handles Modbus or proprietary protocols within the 3.5KB Flash envelope. Verified manufacturer data confirms industrial-grade reliability.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: PIC12LF1822T-I/SN — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | PIC12LF1822-I/SN | PIC12F1822T-I/SN | PIC12LF1612T-I/SN | PIC12LF1840-I/SN |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 8-SOIC (3.90 mm) | 8-SOIC (3.90 mm) - same | 8-SOIC (3.90 mm) - same | 8-SOIC (3.90 mm) - same | 8-SOIC (3.90 mm) - same |
| Program Memory | 3.5 KB Flash | 3.5 KB Flash | 3.5 KB Flash | 3.5 KB Flash | 7 KB Flash |
| RAM | 128 B | 128 B | 128 B | 256 B | 256 B |
| Supply Voltage | 2.3 V to 3.6 V | 2.3 V to 3.6 V | 1.8 V to 5.5 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| Max Frequency | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| I/O Pins | 6 | 6 | 6 | 6 | 6 |
| XLP Sleep Current | <1 uA | <1 uA | <1 uA | <1 uA | <1 uA |
| Approx. Unit Price (1pc) | $0.92 | $0.94 | $0.95 | $0.85 | $1.10 |
主な差別化要因
- Drop-in replacement with wider voltage range （vs PIC12F1822T-I/SN)
- Lower power consumption at same Flash size （vs PIC12LF1612T-I/SN)
- Smaller program memory than newer family （vs PIC12LF1840-I/SN)
設計ノート
The PIC12LF1822T-I/SN's XLP technology delivers sub-1uA sleep current when properly configured. Place a 100nF decoupling capacitor within 5mm of the VDD pin and a 10uF bulk capacitor on the supply rail. Use the VREGPM and IDLEN bits in the VREGCON register to control the internal voltage regulator. For battery designs, switch to Sleep mode between sensor reads and gate the oscillator via OSCCON to extend battery life beyond 5 years on a CR2032 coin cell.
For 8-SOIC layout, allocate at least 4 mm^2 copper pour under the exposed paddle area (if present in this package) and keep trace impedance below 50 ohm for high-speed signals. The MCLR/VPP pin (pin 4) requires a 10kohm pull-up to VDD and a 100nF cap to ground for noise-free reset. Place the ICSP test points (ICSPDAT on pin 2, ICSPCLK on pin 3) on the board edge for PICkit 3 in-circuit debug access without disassembly.
Do not exceed the absolute maximum supply voltage of 4.0V on VDD or apply voltage to any I/O pin before VDD ramps up. Always configure unused I/O pins as outputs driven low to minimise sleep current leakage. The 32MHz internal oscillator requires a configuration word setting for stability across -40C to +85C - leave OSCCON default unless timing accuracy is critical. The ICSP pins (RA4/RA5) double as general I/O - avoid disabling them via CONFIG bits or in-circuit programming becomes impossible without HV programming.
コンプライアンス情報
RoHS compliant per Microchip product page. Not AEC-Q100 qualified (industrial temperature grade only). Lead-free SOIC-8 package. REACH compliant per EU distributor data.
