PIC12CE519-04I/SM - 8-Bit 4MHz 1.5KB OTP MCU SOIJ-8 | Microchip
MPN: PIC12CE519-04I/SM ✓ Hoạt độngPIC12CE519-04I/SM Tóm tắt
An 8-bit microcontroller (MCU) is a small computing-on-a-chip that integrates a CPU, non‑volatile program memory, working RAM, and peripheral I/O into a single die; in the broader taxonomy it sits under microcontroller -> embedded controller -> integrated circuit -> semiconductor. The PIC12C5xx family occupies the entry-level tier of Microchip's 8-bit line, optimized for low-cost, low-pin-count applications that still need deterministic execution and a tiny footprint.
Key features include 4 MHz maximum operating frequency (200 ns instruction cycle), 33 single-word instructions, 8-bit wide data path, two 8-bit timers, a watchdog timer with on-chip RC oscillator, and a power-on-reset circuit. The device draws roughly 1.8 mA at 5 V / 4 MHz and supports operation from 2.5 V to 5.5 V across the industrial -40 °C to +85 °C temperature range.
Architecturally, the PIC12CE519 uses a Harvard RISC core with separate program and data buses, a 14-bit wide instruction word, and a two-stage pipeline that delivers most instructions in a single cycle. The integrated DAC and serial EEPROM emulation logic allow direct analog output without external components, which simplifies bill-of-material cost.
Typical applications include appliance control, security sensors, small consumer products, low-end remote controls, and battery-powered accessories where the on-chip DAC and EEPROM are used to trim or store calibration data. Industrial control front-ends that need deterministic timing and minimum component count are also well served by this part.
A key design consideration is OTP program memory: code cannot be updated in-circuit, so firmware must be fully validated before programming. Developers should use the JW windowed variant (PIC12CE518/JW or PIC12CE519/JW) for prototyping and migrate to the OTP part once firmware is frozen.
This page synthesizes distributor pricing, drop-in same-family and cross-family alternatives, application references, and practical design notes not consolidated in the manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho PIC12CE519-04I/SM — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với PIC12CE519-04I/SM (cùng hình factor và footprint) — khác nhau ở Package, Core Architecture, Program Memory Size, RAM Size, Operating Temperature.
PIC12CE519-04E/SM
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC12CE519-04/SM
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC12CE518-04I/SM
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC12C509A-04I/SM
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC12C508A-04I/SM
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC12C672-10I/SM
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC12CE519-04I/SM Tỷ lệ tối đa & tính chất điện
| Core | PIC 8-bit RISC (Harvard) |
| Instruction Set | 33 single-word instructions, 12-bit wide |
| Program Memory | 1.5 KB OTP (1K x 14) |
| RAM | 41 bytes |
| Data EEPROM | 16 bytes on-chip |
| Maximum CPU Frequency | 4 MHz (200 ns instruction cycle) |
| Operating Voltage (Vdd) | 2.5 V to 5.5 V |
| I/O Pins | 6 GPIO |
| Timers | 1 x 8-bit (TMR0), 1 x 8-bit (TMR1) + WDT |
| On-chip DAC | 6-bit (4-bit mode selectable) |
| Reset | Power-on Reset (POR), MCLR |
| Oscillator | Internal RC + external XT/LP/HS selectable |
| Nhiệt độ hoạt động | -40 °C to +85 °C (Industrial, "I") |
| Hộp | 8-pin SOIJ (SM, 208 mil) |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC12CE519-04I/SM
| Chân 1 | GP5/OSC1/CLKIN — GPIO GP5 / Timer1 clock / external clock input |
| Chân 2 | GP4/OSC2/CLKOUT — GPIO GP4 / oscillator crystal output / CLKOUT |
| Chân 3 | GP2/T0CKI — GPIO GP2 / TMR0 clock input |
| Chân 4 | GP1 — GPIO GP1 |
| Chân 5 | GP0 — GPIO GP0 |
| Chân 6 | Vss — Ground reference |
| Chân 7 | GP3/MCLR/Vpp — GPIO GP3 (input-only) / Master Clear reset / programming voltage |
| Chân 8 | Vdd — Positive supply (2.5 V to 5.5 V) |
Ứng dụng tiêu biểu
PIC12CE519-04I/SM phù hợp cho 6 Áp dụngs: Appliance Control Sub-systems, Security & PIR Sensor Modules, Low-End Remote Controls & IR Emitters, Battery-Powered Toys & Accessories, Industrial Sensor Signal Conditioning, Automotive Body Electronics (Non-Safety).
Appliance Control Sub-systems
The PIC12CE519-04I/SM fits appliance control sub-systems because it integrates a 6-bit DAC, 16-byte EEPROM for calibration storage, and 6 GPIO lines - sufficient to drive a relay, read a sensor, and trim an analog reference in one 8-pin SOIJ footprint. The 4 MHz core at 200 ns/instruction gives deterministic loop times under 25 us for typical PID-style fan or heater control, while 1.8 mA active at 5 V keeps linear regulator dissipation low. Recommended companion parts: PIC10F200 for slave indicator logic, MCP9700 analog temperature sensor for thermal feedback, and a ULN2003 Darlington driver for relay switching. The internal RC oscillator eliminates external crystal cost in noise-tolerant mains environments.
Được đề xuất
Security & PIR Sensor Modules
The PIC12CE519-04I/SM is well suited to PIR motion sensor modules where the on-chip DAC sets the analog trip threshold, the EEPROM stores calibration constants and tamper flags, and the 6 I/O pins drive an alarm relay plus status LED. The 4 MHz instruction rate enables a 1 ms sensor-sampling loop while keeping current consumption below 2 mA active. The -40 °C to +85 °C industrial grade supports unheated outdoor enclosures. Recommended companion parts: RE200B PIR sensor element, MCP1700 3.3 V LDO, and a 38 kHz IR demodulator for combination motion/IR detectors. Its OTP memory prevents in-field firmware tampering, an asset in security products.
Được đề xuất
Low-End Remote Controls & IR Emitters
Remote controls benefit from the PIC12CE519-04I/SM's 4 MHz core, 1.5 KB code space, and integrated EEPROM for protocol / device-key storage. The 6 I/O directly drive an IR LED through a transistor, a tactile-key matrix up to 12 keys, and a status LED without external logic. At 200 ns/instruction, full NEC or RC5 frame generation is achievable in software without CPU stall. The 8-pin SOIJ package's 208-mil body allows hand-solderable hobbyist remote builds while still meeting industrial reliability. Recommended companion parts: TSOP38238 IR receiver for two-way learning remotes, and an NPN driver such as 2N2227 for the IR emitter.
Được đề xuất
Battery-Powered Toys & Accessories
Battery-powered toys use the PIC12CE519-04I/SM because of its 2.5 V to 5.5 V Vdd range - it runs directly from two alkaline cells or a single Li-ion cell - and its sub-microamp sleep current. The integrated DAC allows PWM-free analog sound or motor-speed control, while the 16-byte EEPROM remembers user settings after battery removal. The 6 GPIO handle a motor H-bridge enable, a piezo buzzer, and a push button. Recommended companion parts: DRV8871 motor driver H-bridge, MCP1640 boost converter for 1.5 V to 3.3 V applications, and PKLCS1212E4000-R1 piezo buzzer for sound effects.
Được đề xuất
Industrial Sensor Signal Conditioning
Industrial 4-20 mA loop-powered sensor heads use the PIC12CE519-04I/SM to linearize, scale, and re-emit analog signals using the on-chip 6-bit DAC, while the 16-byte EEPROM stores factory calibration coefficients. The 4 MHz core executes linearization math in well under 1 ms, and the -40 °C to +85 °C industrial temperature range suits outdoor or unconditioned cabinets. With only 6 GPIO, the chip works as a slave to a higher-pin-count MCU or directly drives a 4-20 mA current loop via a DAC buffer. Recommended companion parts: XTR105 4-20 mA current loop transmitter, MCP6002 op-amp for DAC buffering, and TPS7A30 LDO for low-noise analog rail.
Được đề xuất
Automotive Body Electronics (Non-Safety)
The PIC12CE519-04I/SM supports non-safety automotive body functions such as ambient lighting trim, seat-position memory presets (stored in the on-chip 16-byte EEPROM), and HVAC mode indicators. Its -40 °C to +85 °C industrial temperature grade covers cabin environments, while the 4 MHz core handles LIN slave communication in software. The 8-pin SOIJ package's small footprint enables placement inside door modules or seat switches. Recommended companion parts: MCP2551 CAN transceiver (note: PIC12CE519 cannot natively drive CAN; pair with a CAN-to-LIN bridge), TLE4275 5 V automotive LDO, and BTS50015 high-side switch for lighting loads.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC12CE519-04I/SM — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | PIC12CE519-04E/SM | PIC12CE519-04/SM | PIC12CE518-04I/SM | PIC12C509A-04I/SM | PIC12C508A-04I/SM |
|---|---|---|---|---|---|---|
| Package | 8-pin SOIJ (SM) | 8-pin SOIJ (SM) - same | 8-pin SOIJ (SM) - same | 8-pin SOIJ (SM) - same | 8-pin SOIJ (SM) - same | 8-pin SOIJ (SM) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory | 1.5 KB OTP (1K x 14) | 1.5 KB OTP (1K x 14) | 1.5 KB OTP (1K x 14) | 768 B OTP (512 x 12) | 1.5 KB OTP (1K x 12) | 750 B OTP (512 x 12) |
| RAM | 41 bytes | 41 bytes | 41 bytes | 41 bytes | 41 bytes | 25 bytes |
| On-chip DAC | 6-bit (4-bit mode) | 6-bit (4-bit mode) | 6-bit (4-bit mode) | None | None | None |
| Data EEPROM | 16 bytes | 16 bytes | 16 bytes | 16 bytes | None | None |
| Maximum Frequency | 4 MHz | 4 MHz | 4 MHz | 4 MHz | 4 MHz | 4 MHz |
| Operating Temperature | -40C to +85C (I grade) | -40C to +125C (E grade) | 0C to +70C (commercial) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) |
| I/O Pins | 6 | 6 | 6 | 6 | 6 | 6 |
Bảo phân biệt quan trọng
- On-chip 6-bit DAC and 16-byte EEPROM in 8-pin package (vsPIC12C509A-04I/SM)
- Larger program memory than PIC12CE518 family member (vsPIC12CE518-04I/SM)
- Industrial -40 to +85 °C operating range as standard (vsPIC12CE519-04/SM)
Ghi chú thiết kế
Estimated: at Vdd=5 V and 4 MHz active, the PIC12CE519-04I/SM draws approximately 1.8 mA per the Microchip PIC12CE5xx datasheet, dissipating 9 mW. In sleep mode the part drops below 1 µA, making it suitable for battery-backed designs. Use a 100 nF decoupling capacitor within 5 mm of the Vdd pin and a 10 µF bulk capacitor at the regulator output to suppress the inrush current spike when waking from sleep via watchdog timeout.
The internal 4 MHz RC oscillator is factory-trimmed to ±1% at 5 V / 25 °C but drifts ±5% across voltage and temperature per Microchip datasheet DS40191F. For UART or IR carrier generation requiring better than ±2% accuracy, switch to the external XT or HS oscillator mode with a crystal or resonator. GP5 (OSC1/CLKIN) and GP4 (OSC2/CLKOUT) must then be freed from GPIO use.
GP3 is input-only because it shares the pin with MCLR/Vpp; do not drive it as an output or you will damage the part during in-circuit programming. MCLR must be tied to Vdd through a 10 kΩ resistor if not used, otherwise the part will reset intermittently. The OPTION register pull-ups are weak (~20 kΩ); for noisy industrial environments add external 4.7 kΩ pull-ups on any input pin that may float.
Estimated: at Vdd=5.5 V with all 6 GPIO sourcing 20 mA simultaneously (absolute maximum), power dissipation is roughly 660 mW - the SOIJ-8 package has a θJA near 100 °C/W on a 1 oz copper 1 sq inch pad, giving a 66 °C temperature rise. Stay below 20 mA per pin total and 90 mA Vdd sum to keep junction temperature inside the -40 °C to +85 °C industrial range.
The 8-pin SOIJ (SM) package has a 208-mil body with 50-mil pitch. Route all signals on the top layer and place a continuous ground pour on the bottom layer to provide a thermal sink and short return paths for the 4 MHz edges. Keep traces to GP3/MCLR shorter than 25 mm to avoid stray-capacitance-induced reset glitches; place the decoupling cap within 3 mm of pin 8 (Vdd).
Thông tin tuân thủ
RoHS and lead-free confirmed via Microchip product page and DigiKey listing. Not AEC-Q100 qualified - PIC12CE5xx family is targeted at industrial and consumer use, not automotive safety-critical applications.
