PIC12CE519-04I/SN - 8-Bit OTP MCU, 1.5KB, 4MHz | Microchip
部品番号: PIC12CE519-04I/SN ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $2.99 | $2.99 |
| 10 | $2.75 | $27.50 |
| 100 | $2.32 | $232.00 |
| 500 | $1.95 | $975.00 |
| 1,000 | $1.62 | $1,620.00 |
PIC12CE519-04I/SN 概要
A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, working RAM, and programmable I/O peripherals. The PIC12CE519 sits at the entry-level of the 8-bit MCU hierarchy - below Flash-based PIC12F and PIC16 families - and is intended for high-volume cost-sensitive applications where one-time programmable code is acceptable. Within the power-management hierarchy it is essentially the controller that drives timing, sequencing, and discrete logic functions on a board.
Key features include four selectable oscillator options (including an internal 4 MHz RC oscillator with programmable calibration, eliminating the external crystal in many designs), a Watchdog Timer with its own on-chip RC oscillator for reliable operation, Power-On Reset (POR), Device Reset Timer (DRT), code protection, and 1,000,000 erase/write cycle EEPROM endurance on the data side. The Harvard RISC core offers 33 single-word instructions, deterministic interrupt latency, and an 8-bit real-time counter (TMR0) with 8-bit programmable prescaler.
Typical applications span simple appliance timers, button-driven LED controllers, single-sensor data loggers, relay sequencers, push-button debouncing, and small-appliance logic replacement of discrete glue logic. The combination of 6 high-current I/Os, on-chip EEPROM for user data, and 35 single-word instructions makes the PIC12CE519 efficient in space-constrained 8-pin designs.
When designing with the PIC12CE519, choose between the internal 4 MHz RC oscillator and an external crystal based on timing accuracy requirements - the internal RC drifts more with voltage and temperature but saves two pins and an external resonator. In-system programming is via Microchip's ICSP protocol through the GP0/GP1 pins, so these must remain accessible in the PCB layout.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone Microchip datasheet - giving engineers a single authoritative reference for sourcing, designing in, and replacing the PIC12CE519-04I/SN.
ドロップイン代替品: PIC12CE519-04I/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: PIC12CE519-04I/SN （同一形状・フットプリント） — 相違点: Package, Operating Temperature, Timers, Core Architecture, Program Memory Size.
クイック比較ツール — 並列比較する代替部品を選択:
PIC12F519-I/SN
✅ ドロップイン✓ 在庫あり
$0.54 / 個
データシートを見る →PIC12CE519-04/SN
✅ ドロップイン✓ 在庫あり
$1.05 / 個
データシートを見る →PIC12CE519-04E/SN
✅ ドロップイン✓ 在庫あり
$1.67 / 個
データシートを見る →PIC12C508A-04I/SM
✅ ドロップイン✓ 在庫あり
$1.05 / 個
データシートを見る →PIC10F200-I/P
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$0.28 / 個
データシートを見る →PIC12C509A-04I/SN
✅ ドロップイン✓ 在庫あり
$0.92 / 個
データシートを見る →PIC12CE519-04I/SN 最大定格＆電気的特性
| Manufacturer | Microchip Technology |
| Series | PIC 12C |
| Core Processor | PIC |
| Core Size | 8-Bit |
| Program Memory Type | OTP (One-Time Programmable) |
| Program Memory Size | 1.5 KB (1K x 12) |
| RAM Size | 41 bytes |
| EEPROM Size | 16 bytes |
| Number of I/O | 6 |
| Maximum CPU Frequency | 4 MHz |
| Instruction Execution Time | 200 ns (single cycle) |
| Oscillator Options | Internal 4 MHz RC, external RC, crystal, resonator (4 selections) |
| I/O Source/Sink Current | 25 mA per pin |
| 電源電圧 | 2.5 V to 5.5 V (typical 3.3 V / 5 V) |
| 動作温度 | -40C to +85C (Industrial) |
| パッケージ | 8-SOIC (SN), 0.154 inch / 3.90 mm body width |
| 実装タイプ | Surface Mount |
| RoHS ステータス | Compliant |
| MSLレベル | 1 (per JEDEC J-STD-020, unlimited floor life) |
| AEC-Q100 Automotive Qualification | Not qualified (industrial grade) |
| Programming Method | ICSP via GP0/GP1 |
PIC12CE519-04I/SN ピン構成
| ピン 1 | GP5/OSC1/CLKIN — Bidirectional I/O pin / oscillator crystal input / external clock input |
| ピン 2 | GP4/OSC2 — Bidirectional I/O pin / oscillator crystal output |
| ピン 3 | GP3/MCLR/VPP — Input pin / Master Clear reset (active low) / programming voltage input |
| ピン 4 | VSS — Ground reference |
| ピン 5 | GP0 — Bidirectional I/O pin / ICSP data (DAT) |
| ピン 6 | GP1 — Bidirectional I/O pin / ICSP clock (CLK) |
| ピン 7 | GP2 — Bidirectional I/O pin / TOCKI (timer0 clock input) |
| ピン 8 | VDD — Positive supply voltage (2.5 V to 5.5 V) |
主な用途
PIC12CE519-04I/SN の用途: 6 件s: Simple Appliance Timer, Button-Driven LED Controller, Single-Sensor Data Logger, Relay Sequencer / Glue Logic Replacement, Push-Button Debounce / User Interface, Discrete Logic Replacement (Space-Constrained Designs).
Simple Appliance Timer
The PIC12CE519-04I/SN suits simple appliance timer designs such as kitchen-fan run-on timers, bathroom exhaust delays, and irrigation controllers because its 1.5 KB OTP program memory fits state-machine firmware while the 4 MHz core delivers 200 ns instruction cycles for accurate timing. The 6 GPIO pins at 25 mA each directly drive triacs or relays without extra buffer transistors. The 16-byte EEPROM stores user-set times across power cycles, and the internal 4 MHz RC oscillator eliminates the external crystal, reducing BOM cost. For -40C to +85C appliances like outdoor lighting controllers, the industrial -04I temperature grade is a direct fit without additional derating.
おすすめ
Button-Driven LED Controller
For push-button LED dimmers, multi-mode flashers, and decorative lighting sequencers, the PIC12CE519-04I/SN delivers precisely the right resource mix: 6 GPIO pins each capable of 25 mA source/sink can directly drive low-current LED strings or interface to MOSFET gates for higher power. The 33 single-word PIC instructions and 4 MHz execution make PWM fade algorithms trivial. Internal 4 MHz RC oscillator eliminates external timing components, and the 16-byte EEPROM retains user brightness or mode preferences across power cycles. The industrial -40C to +85C grade handles outdoor or automotive interior lighting without thermal derating.
おすすめ
Single-Sensor Data Logger
The PIC12CE519-04I/SN can act as the controller in a single-sensor data logger by periodically sampling a digital sensor and writing samples to an external EEPROM over I2C-bit-banged on two GPIO pins. Its 41-byte RAM buffers a few samples before write, and the 16-byte on-chip EEPROM stores small config records (calibration constants, log interval). The internal 4 MHz RC oscillator plus TMR0 with 8-bit prescaler generates wake intervals from the Watchdog Timer. Industrial -40C to +85C operation covers cold-chain, HVAC, and outdoor environmental monitoring use cases where a full PIC16F or PIC18F would be overkill.
おすすめ
Relay Sequencer / Glue Logic Replacement
Replacing 555-timer plus discrete-logic relay sequencers, the PIC12CE519-04I/SN integrates the entire control function: 6 high-current 25 mA GPIO pins drive small relays or opto-isolators directly, and the 4 MHz core sequences up to 6 outputs with 200 ns precision. OTP programming keeps unit cost minimal for production volumes above ~10k units. Industrial temperature range ensures reliability in industrial cabinets. The ICSP programming interface uses GP0/GP1 - keep those pins accessible in the PCB layout for factory programming.
おすすめ
Push-Button Debounce / User Interface
The PIC12CE519-04I/SN is well-suited to replace dedicated debounce ICs in multi-button user interfaces such as appliance front panels and consumer gadgets. Each button is read on one GPIO pin; the 200 ns instruction cycle debounces in firmware with a single counter. The 6 GPIO support up to 6 buttons directly, and additional LEDs can be driven at 25 mA for backlighting. The internal RC oscillator eliminates external timing parts, and the 16-byte EEPROM stores last-state preferences (mode, brightness) across power loss. Industrial temperature grade suits consumer white goods and HVAC controls.
おすすめ
Discrete Logic Replacement (Space-Constrained Designs)
Where a small 8-SOIC footprint previously required discrete 74HC logic gates or a 555 timer, the PIC12CE519-04I/SN integrates the entire glue-logic function at lower BOM cost and higher design flexibility. A 6-pin PIC12CE519 replaces combinatorial logic, monostables, and oscillators with a single IC and 1.5 KB of OTP firmware. The 33-instruction RISC core and 4 MHz execution let you implement state machines that would require dozens of discrete gates. OTP programming and internal RC oscillator keep external parts count near zero.
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: PIC12CE519-04I/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 | PIC12F519-I/SN | PIC12CE519-04/SN | PIC12CE519-04E/SN | PIC12C508A-04I/SM | PIC10F200-I/P | PIC12C509A-04I/SN |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 8-SOIC (SN) | 8-SOIC (SN) - same | 8-SOIC (SN) - same | 8-SOIC (SN) - same | 8-SOIC (SM) - same | 8-SOIC family - same footprint | 8-SOIC (SN) - same |
| Program Memory Type | OTP, 1.5 KB | Flash, 1.5 KB | OTP, 1.5 KB | OTP, 1.5 KB | OTP, 0.75 KB (-50%) | Flash, 0.25 KB (-83%) | OTP, 0.75 KB (-50%) |
| RAM | 41 bytes | 41 bytes | 41 bytes | 41 bytes | 25 bytes (-39%) | 16 bytes (-61%) | 41 bytes |
| EEPROM | 16 bytes | 16 bytes | 16 bytes | 16 bytes | None | None | None |
| Number of I/O | 6 | 6 | 6 | 6 | 6 | 4 (-33%) | 6 |
| Maximum Clock | 4 MHz | 4 MHz | 4 MHz | 4 MHz | 4 MHz | 4 MHz | 4 MHz |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | 0C to +70C (Commercial) | -40C to +125C (Extended) | -40C to +85C | -40C to +85C | -40C to +85C |
主な差別化要因
- Integrated 16-byte EEPROM for non-volatile user data （vs PIC12C508A-04I/SM)
- Higher 1.5 KB program memory versus smaller PIC12 siblings （vs PIC12C509A-04I/SN)
- OTP cost optimization versus Flash reprogrammability （vs PIC12F519-I/SN)
設計ノート
Decouple VDD (pin 8) with a 0.1 uF ceramic capacitor placed within 5 mm of the pin and a 10 uF bulk capacitor at the board entry. The PIC12CE519-04I/SN draws only a few mA typical, so a small MCP1700 LDO or even a series diode + bulk cap regulator is adequate for low-cost designs. Enable the internal Power-On Reset (POR) and Brown-Out Reset configuration bits so the part restarts cleanly on power-up and on brown-out events below the BOR threshold.
Keep the ICSP pins GP0 and GP1 (pins 5 and 6) accessible on the PCB for in-circuit programming during development and factory programming of OTP units. Add a 2x3 or 1x6 header footprint even if not populated in production, since OTP devices cannot be reprogrammed in the field. Keep GP5/OSC1 (pin 1) and GP4/OSC2 (pin 2) short and close to the crystal or resonator if using an external oscillator - trace length under 5 mm each minimizes parasitic capacitance that shifts frequency.
Do not exceed the 25 mA per-pin source/sink rating when driving LEDs or relays directly; for higher currents use a MOSFET like BSS138 or a dedicated driver. Avoid using GP3 as a normal GPIO unless MCLR is disabled in the configuration bits - GP3 is the only input-only pin and serves as MCLR by default. For OTP programming, ensure your code is fully validated on a Flash equivalent (PIC12F519-I/SN) before committing to OTP units, since OTP cannot be reprogrammed.
コンプライアンス情報
RoHS compliant and lead-free finish per Microchip product page. Industrial -40C to +85C temperature grade; not AEC-Q100 qualified - choose AEC-Q100-qualified Microchip parts (e.g. PIC12F1840-I/SN) for automotive applications. Halogen-free status not explicitly stated in provided data.
