PIC12CE518-04E/SN - 8-bit OTP MCU, 768B EPROM, 4 MHz | Microchip
MPN: PIC12CE518-04E/SN ✗ اختتامِ زندگیPIC12CE518-04E/SN جائزہ
An 8-bit microcontroller (MCU) is a single-chip computer containing a CPU, program memory (ROM/OTP/Flash), data RAM, and peripherals such as timers, I/O ports, and serial interfaces. The PIC12CE518 belongs to Microchip's PIC® 12C family, which is a subfamily of the broader PIC microcontroller architecture. Within the embedded-system hierarchy, this MCU sits below 16-bit and 32-bit microcontrollers but above discrete logic ICs, offering a programmable platform for simple control, sensing, and user-interface tasks. The integrated EEPROM allows small data sets such as configuration values, calibration coefficients, or serial numbers to be retained without external memory.
Key features of the PIC12CE518-04E/SN include a RISC instruction set of only 33 single-word instructions (all single-cycle except program branches, which are two-cycle), an internal 4 MHz oscillator (-04 speed grade), 6 I/O pins with individually programmable direction, a watchdog timer for reliable operation, and an extended operating temperature range of -40 °C to +125 °C (E suffix). The 'CE' variant adds an on-chip 16-byte EEPROM data space accessible through dedicated SFRs.
The PIC12CE518 architecture combines Harvard bus separation (separate program and data paths) with a 12-bit-wide instruction word, enabling compact code density and predictable interrupt latency. The integrated brown-out detector and power-on reset support robust cold-start behavior. Compared with newer PIC12F devices such as the recommended PIC12F629, this part uses one-time-programmable memory rather than Flash, which makes it attractive for low-cost, high-volume, fixed-function products where code is finalized at production.
Typical applications include low-cost consumer appliances, simple sensor-interface nodes, automotive accessory modules, and industrial control subsystems where a small I/O count and minimal BOM are required. The wide 3.0-5.5 V supply range simplifies integration with both 3.3 V and 5 V system rails. This part is also frequently chosen for replacement of legacy 8-pin discrete-logic boards with a programmable solution.
When designing with the PIC12CE518-04E/SN, note that OTP memory cannot be reprogrammed in-circuit; code must be programmed before or during board assembly. Because Microchip indicates a newer device (PIC12F629) is preferred for new designs, this part is best suited to long-life-cycle products, maintenance replacements, or designs where a stable, mature toolchain is required.
This page synthesizes distributor pricing, same-package drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, helping sourcing engineers evaluate lifecycle risk and pin-to-pin substitutes for the PIC12CE518-04E/SN.
کے لیے ڈراپ اِن متبادل PIC12CE518-04E/SN — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔
اس سیریز میں مختلف ورژن
اسی سیریز کے ماڈلز جو ڈراپ اِن مطابقت رکھتے ہیں PIC12CE518-04E/SN (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, Core Architecture, Program Memory Size, Operating Temperature, Data EEPROM.
PIC12CE518-04I/SN
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC12CE519-04/SN
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC12CE519-04I/SN
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC12CE518-04E/SM
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC12CE518-04E/SN زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Product Type | 8-bit OTP Microcontroller (MCU) |
| Family | PIC® 12C |
| Program Memory | 768 bytes (512 x 12) OTP |
| Data RAM | 25 bytes |
| On-chip EEPROM | 16 bytes |
| Clock Input Frequency | 4 MHz (-04 speed grade) |
| Instruction Cycle Time | 1 µs (single-cycle instructions) |
| Instruction Set | 33 single-word RISC instructions |
| I/O Pins | 6 |
| Operating Voltage | 3.0 V to 5.5 V |
| آپریٹنگ درجہ حرارت | -40 °C to +125 °C (E suffix, extended) |
| پیکیج | SOIC-8 (SN, 3.90 mm body) |
| ماؤنٹنگ ٹائپ | Surface Mount |
| Watchdog Timer | Yes (on-chip) |
| Power-On Reset / Brown-Out | Yes |
| RoHS اسٹیٹس | Compliant |
| Replacement Recommendation | PIC12F629 (per manufacturer product page) |
PIC12CE518-04E/SN پن کنفیگریشن
| پن 1 | VDD — Positive supply voltage (3.0 V to 5.5 V) |
| پن 2 | OSC1/CLKIN — External clock input or crystal connection |
| پن 3 | OSC2/CLKOUT — Crystal output or instruction-cycle clock output |
| پن 4 | GP0 — General-purpose bidirectional I/O pin 0 |
| پن 5 | GP1 — General-purpose bidirectional I/O pin 1 |
| پن 6 | GP2 — General-purpose bidirectional I/O pin 2 |
| پن 7 | GP3/MCLR — General-purpose input GP3 or Master Clear (reset) when configured |
| پن 8 | VSS — Ground reference |
عام استعمالات
PIC12CE518-04E/SN کے لیے موزوں ہے 6 ایپلیکیشنs: Low-Cost Consumer Appliance Control, Automotive Accessory Module, Industrial Sensor Interface Node, Battery-Powered Remote Control, White Goods Timer Module, Hobbyist and Educational Platform.
Low-Cost Consumer Appliance Control
The PIC12CE518-04E/SN fits low-cost consumer appliance controllers because its 6 I/O pins comfortably drive a keypad, LED indicators, and a triac/MOSFET gate, while its 3.0-5.5 V supply range accepts both 3.3 V logic sensors and rectified 5 V rails. The 768-byte OTP holds a complete appliance state machine and timing logic, the 25-byte RAM supports a small RTOS-like main loop, and the 16-byte EEPROM retains user settings such as fan speed or timer preferences across power cycles. At 1 µs instruction cycle, the 4 MHz core executes switch-debounce, PWM, and serial protocols in real time. Engineers should note OTP precludes field firmware updates, so the firmware must be frozen at production.
تجویز کردہ
Automotive Accessory Module
The PIC12CE518-04E/SN is well suited to simple automotive accessory modules such as interior lighting controllers, HVAC flap drivers, or seat-position sensors because its -40 to +125 °C extended temperature grade covers cabin and engine-bay-adjacent environments. The on-chip brown-out reset handles crank-down to 3 V and cold-start transients on a 12 V regulated rail, while the watchdog timer recovers the MCU from ESD-induced lockups. Six I/O pins read Hall sensors, drive small relays through transistors, and bit-bang LIN or one-wire bus protocols. The 16-byte EEPROM stores per-vehicle calibration values such as seat-end-stop or trim level, and the 768-byte OTP holds the fixed accessory firmware. AEC-Q100 qualification is not present, so designers should target non-safety accessory functions.
تجویز کردہ
Industrial Sensor Interface Node
In distributed industrial sensor nodes, the PIC12CE518-04E/SN provides a programmable front end that reads analog sensors through an external ADC or simple comparator, applies linearization in firmware, and presents the result on a bit-banged UART or I²C link. The 6 I/O pins handle two analog inputs via on-chip comparators, two digital outputs, and a serial link, while the 16-byte EEPROM stores per-node calibration coefficients such as sensor offset and slope. The wide 3.0-5.5 V supply range accepts 24 V industrial rails stepped down through a small LDO or shunt regulator. The extended -40 to +125 °C temperature grade supports sealed factory-floor enclosures. OTP memory is acceptable because sensor calibration is locked at production.
تجویز کردہ
Battery-Powered Remote Control
The PIC12CE518-04E/SN fits battery-powered remote controls because its 3.0 V minimum supply accepts two alkaline or NiMH cells directly, and its low-power sleep modes extend battery life between button presses. The 4 MHz internal oscillator eliminates external crystals, reducing BOM cost and PCB area. The MCU reads a 4 x 3 keypad matrix through 6 I/O pins, encodes the active key into an infrared or sub-GHz transmit sequence, and stores last-channel or last-volume in the 16-byte EEPROM. The 768-byte OTP holds complete RC5/RC6 or proprietary IR protocols with margin for future features. The extended temperature range supports garage-door, gate, and outdoor lighting remotes.
تجویز کردہ
White Goods Timer Module
White goods such as dishwashers, washing machines, and microwave ovens use the PIC12CE518-04E/SN to run multi-stage timing sequences (wash, rinse, spin, dry) with relay outputs. Six I/O pins drive a triac for the heater, a relay for the motor, an optocoupler-fed zero-cross detector for line synchronization, and a small LCD or 7-segment display. The 16-byte EEPROM stores user-selected cycle, temperature, and delay-start values across power interruptions, while the 768-byte OTP encodes the full cycle state machine. The wide 3.0-5.5 V supply works with a simple 5 V regulator, and the extended -40 to +125 °C temperature grade supports hot appliance compartments. Engineers should budget OTP programming into the production flow.
تجویز کردہ
Hobbyist and Educational Platform
The PIC12CE518-04E/SN remains a popular teaching and hobbyist MCU because the 33-instruction RISC core can be learned in a single afternoon and the SOIC-8 package is hand-solderable on through-hole adapter boards. Hobbyists use the 6 I/O pins to blink LEDs, read push buttons, drive servos, and bit-bang UART for serial debug output. The 16-byte EEPROM provides persistent storage for simple data-logger experiments. The 768-byte OTP enforces disciplined coding because students must commit code to a programmer, mirroring production reality. The wide 3.0-5.5 V supply accepts USB-derived 5 V or two AA cells, and the extended temperature range is forgiving of classroom or workshop conditions.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC12CE518-04E/SN — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC12CE518-04I/SN | PIC12CE519-04/SN | PIC12CE519-04I/SN | PIC12CE518-04E/SM |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | SOIC-8 (SN) | SOIC-8 (SN) - same | SOIC-8 (SN) - same | SOIC-8 (SN) - same | SOIC-8 (SM/SOIJ) - same footprint family |
| Program Memory | 768 bytes OTP | 768 bytes OTP - same | 768 bytes OTP - same | 768 bytes OTP - same | 768 bytes OTP - same |
| RAM | 25 bytes | 25 bytes - same | 41 bytes (+64%) | 41 bytes (+64%) | 25 bytes - same |
| EEPROM Data Memory | 16 bytes | 16 bytes - same | 16 bytes - same | 16 bytes - same | 16 bytes - same |
| Max Clock Frequency | 4 MHz | 4 MHz - same | 4 MHz - same | 4 MHz - same | 4 MHz - same |
| Operating Temperature | -40 °C to +125 °C (E) | -40 °C to +85 °C (I) | 0 °C to +70 °C (commercial) | -40 °C to +85 °C (I) | -40 °C to +125 °C (E) - same |
| I/O Pins | 6 | 6 - same | 6 - same | 6 - same | 6 - same |
اہم امتیازی خصوصیات
- Integrated 16-byte on-chip EEPROM data memory (بمقابلہPIC12C518 (non-CE family member))
- Extended -40 to +125 °C temperature grade (E suffix) (بمقابلہPIC12CE518-04I/SN (industrial grade))
- Mature, fully-documented RISC core with 33 instructions (بمقابلہPIC12F629 (Flash replacement))
ڈیزائن نوٹس
The PIC12CE518 uses one-time-programmable (OTP) program memory that cannot be erased or rewritten in-circuit. All firmware must be validated and finalized before programming; a single bit error requires scrapping the device. For designs that may need field updates, plan migration to the Flash-based PIC12F629, which shares the same 8-pin footprint family but adds ICSP.
Decouple VDD with a 100 nF ceramic capacitor placed within 5 mm of the VDD pin (pin 1). Add a 10 µF bulk capacitor on the same rail if the supply comes from a long cable or switching regulator. The internal brown-out reset triggers near 2.5 V; ensure your regulator stays above 3.0 V under worst-case load transients to avoid unintended resets.
Pin 7 (GP3/MCLR) is shared between a general-purpose input and the device Master Clear function. If MCLR is enabled in the configuration word, leave pin 7 as a reset input with the proper pull-up; using it as a digital input requires disabling MCLR in the config bits, which eliminates the external reset capability. Plan I/O assignments carefully before locking the configuration word.
When using the internal RC oscillator (default), clock accuracy is approximately ±1% over 0-50 °C but degrades outside that range. For UART communication or timing-sensitive applications, switch to an external crystal on OSC1/OSC2 to achieve ±0.01% accuracy. Estimated: internal RC drift is documented in the PIC12C5XX electrical characteristics chapter.
تعمیل کی معلومات
RoHS compliant per Microchip product page. Not AEC-Q100 qualified; do not use in automotive safety-critical applications. Halogen-free status not explicitly stated in retrieved data.
