PIC12C672T-04I/SM - 4MHz 8-Bit OTP MCU, 3.5KB | Microchip
MPN: PIC12C672T-04I/SM ✓ فعالPIC12C672T-04I/SM جائزہ
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, RAM, and peripherals such as timers, communication interfaces, and analog converters into one IC. Within the broader semiconductor taxonomy, a microcontroller sits inside the integrated-circuit family, below microprocessors in raw compute power but above simple logic ICs in functional density. The PIC12C67X family from Microchip is part of the PIC10/12/16 mid-range 8-bit RISC architecture, optimized for low-cost, low-pin-count embedded control. Compared with discrete logic or op-amp-only signal chains, a PIC12C-class MCU consolidates analog sampling, digital I/O, and on-chip program memory into one package, reducing BOM count and PCB area.
Key features include 35 single-word instructions, a hardware 8-bit ADC with four input channels multiplexed onto GP pins, internal 4 MHz oscillator, power-on-reset, watchdog timer with on-chip RC oscillator for reliable operation, and an In-Circuit Serial Programming (ICSP) interface that allows firmware updates after PCB assembly. Power-saving features include a SLEEP mode and selectable oscillator options. The device is fully static, allowing the clock to be stopped without losing register contents.
The PIC12C672's mid-range RISC core executes most instructions in a single 1 us cycle at 4 MHz, freeing CPU bandwidth for tight control loops. With a 14-bit instruction word, 8-bit data path, and on-chip peripherals, the device targets simple but deterministic embedded tasks. The OTP program memory supports a development-to-production workflow, while the SOIJ-8 surface-mount package enables standard SMT assembly and inspection.
Typical applications include appliance control, sensor signal conditioning, battery chargers, automotive body electronics (non-safety), smart sensors, and small industrial controllers. The combination of an integrated ADC, low pin count, and broad development-tool support makes the part a frequent choice for cost-sensitive designs.
When designing with this device, ensure the MCLR pin has a proper pull-up and decoupling, and respect the maximum power-supply ramp rate to avoid unintentional reset states. For long-term field-programmable designs, consider the PIC12F675 (Flash variant) in a comparable 8-pin footprint.
This page synthesizes distributor pricing, drop-in alternatives from the same PIC12 family, and practical design notes not found in the manufacturer datasheet alone.
کے لیے ڈراپ اِن متبادل PIC12C672T-04I/SM — 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 PIC12C672T-04I/SM (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, Operating Temperature, Program Memory Size, Timers, Core Architecture.
PIC12CE672T-04I/SM
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC12C672-04I/SM
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC12C672-04/SM
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC12C672-10I/SM
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC12C671T-04I/SM
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC12C508A-04I/SM
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC12C672T-04I/SM زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Family | PIC12C67X |
| Core | 8-bit PIC RISC |
| Core Size | 8-bit |
| Program Memory Size | 3.5 KB (2K x 14) |
| Program Memory Type | OTP |
| RAM Size | 128 x 8 bytes |
| Data EEPROM | None (PIC12C672 has no EEPROM; PIC12CE672 variants do) |
| Speed | 4 MHz |
| Instruction Cycle | 1 us @ 4 MHz |
| Supply Voltage (Vcc/Vdd) | 3.0 V to 5.5 V |
| Number of I/O Pins | 6 |
| ADC | 8-bit, 4 channels |
| Oscillator Type | Internal |
| Peripherals | POR, WDT |
| آپریٹنگ درجہ حرارت | -40C to +85C (Industrial) |
| پیکیج | 8-SOIJ (5.23 mm) |
| ماؤنٹنگ ٹائپ | Surface Mount |
| RoHS اسٹیٹس | Compliant |
PIC12C672T-04I/SM پن کنفیگریشن
| پن 1 | VDD — Positive supply voltage (3.0 V to 5.5 V) |
| پن 2 | GP5/OSC1/CLKIN — Bidirectional I/O / external clock input / crystal oscillator input |
| پن 3 | GP4/OSC2/CLKOUT — Bidirectional I/O / crystal oscillator output / clock output |
| پن 4 | GP3/MCLR/VPP — Digital input / Master Clear reset (active low) / programming voltage |
| پن 5 | GP2/AN2 — Bidirectional I/O / analog input channel 2 |
| پن 6 | GP1/AN1 — Bidirectional I/O / analog input channel 1 |
| پن 7 | GP0/AN0 — Bidirectional I/O / analog input channel 0 |
| پن 8 | VSS — Ground reference |
عام استعمالات
PIC12C672T-04I/SM کے لیے موزوں ہے 6 ایپلیکیشنs: Appliance Control, Sensor Signal Conditioning, Battery Chargers, Automotive Body Electronics, Smart Sensors, Small Industrial Controllers.
Appliance Control
The PIC12C672T-04I/SM fits appliance-control boards because its 4-channel 8-bit ADC reads thermistors and humidity sensors, while 6 GPIO lines drive relays, LEDs, and buzzer feedback. At 4 MHz with 1 us instruction cycle, the PIC mid-range core executes a full PID loop in well under 100 us, leaving CPU headroom for user-interface multiplexing. Operating from 3.0 V to 5.5 V lets the same board power from a 5 V regulator or a 3.3 V supply, and the SOIJ-8 package fits behind small membrane keypads in coffee makers, washing machines, and dishwashers.
تجویز کردہ
Sensor Signal Conditioning
With a 4-channel 8-bit on-chip ADC and 6 I/O, the PIC12C672T-04I/SM is well matched to compact sensor-interface boards that read analog sensors, apply digital filtering, and output a clean PWM or UART stream. The internal 4 MHz oscillator eliminates an external resonator, reducing BOM cost, and the 3.0 V to 5.5 V supply range covers both 3.3 V and 5 V sensor rails. The PIC mid-range 8-bit core delivers deterministic 1 us instruction execution, suitable for fixed-cycle sampling on every timer tick, and the SOIJ-8 footprint keeps the PCB area under 50 mm^2.
تجویز کردہ
Battery Chargers
The PIC12C672T-04I/SM drives low-cost single- or dual-cell battery charger boards by sampling charge current via the on-chip ADC and PWM-modulating a MOSFET gate through one of its GPIO lines. The 6-I/O budget easily handles VIN-sense, ISENSE, gate drive, status LED, and a temperature-input line. Industrial -40C to +85C temperature grade allows operation inside enclosed charger housings. With 3.5 KB OTP program memory, charger state-machine code fits without external EEPROM, while the SOIJ-8 footprint keeps the PCB small enough for travel adapters.
تجویز کردہ
Automotive Body Electronics
Non-safety automotive body modules such as seat heaters, mirror adjusters, and ambient-light controllers commonly use the PIC12C672T-04I/SM because of its industrial temperature range, integrated 8-bit ADC for current/voltage sensing, and compact SOIJ-8 footprint. Six GPIO pins comfortably switch low-side MOSFETs, read position potentiometers, and drive status LEDs. The 3.0 V to 5.5 V supply range supports 5 V automotive rails after transient protection. OTP memory locks the firmware against accidental rewriting in the field.
تجویز کردہ
Smart Sensors
Smart-sensor modules that combine analog sensing with local decision logic use the PIC12C672T-04I/SM to sample sensors on the 4-channel ADC, run simple compensation math on the 8-bit RISC core, and emit a digital output via PWM, UART bit-banging, or one-wire. With 6 GPIO pins and a tiny SOIJ-8 package, the MCU fits within a TO-5 sensor housing or a small SMD breakout. Operating at 3.0 V to 5.5 V lets the same firmware run on 3.3 V IoT sensors and 5 V industrial transmitters.
تجویز کردہ
Small Industrial Controllers
Compact industrial controllers - timer relays, counter modules, indicator-light drivers, low-cost PLC-style I/O boards - frequently deploy the PIC12C672T-04I/SM because the 8-bit RISC core delivers deterministic 1 us instruction timing at 4 MHz, the 4-channel ADC handles analog setpoint inputs, and the watchdog timer with on-chip RC oscillator ensures safe recovery from ESD or EMI events. Six GPIO pins drive outputs or read switches, while 128 B RAM is enough for small state machines. The SOIJ-8 industrial-grade package withstands factory-floor temperatures and humidity.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC12C672T-04I/SM — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC12CE672T-04I/SM | PIC12C672-04I/SM | PIC12C672-04/SM | PIC12C672-10I/SM | PIC12C671T-04I/SM | PIC12C508A-04I/SM |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 8-SOIJ | 8-SOIJ - same | 8-SOIJ - same | 8-SOIJ - same | 8-SOIJ - same | 8-SOIJ - same | 8-SOIJ - same |
| Program Memory | 3.5 KB (2K x 14) OTP | 3.5 KB OTP | 3.5 KB OTP | 3.5 KB OTP | 3.5 KB OTP | 1.75 KB OTP (-50%) | 768 B OTP |
| Data EEPROM | None | 16 bytes (+16 B) | None | None | None | None | None |
| Max Clock Speed | 4 MHz | 4 MHz | 4 MHz | 4 MHz | 10 MHz | 4 MHz | 4 MHz |
| ADC | 8-bit, 4 channels | 8-bit, 4 channels | 8-bit, 4 channels | 8-bit, 4 channels | 8-bit, 4 channels | 8-bit, 4 channels | None |
| I/O Pins | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | -40C to +85C | 0C to +70C (Commercial) | -40C to +85C | -40C to +85C | -40C to +85C |
اہم امتیازی خصوصیات
- Adds 16 bytes EEPROM for non-volatile data (بمقابلہPIC12CE672T-04I/SM)
- Industrial temperature range for harsh environments (بمقابلہPIC12C672-04/SM)
- 10 MHz clock upgrade option in same package (بمقابلہPIC12C672-10I/SM)
ڈیزائن نوٹس
Place a 0.1 uF ceramic decoupling capacitor as close as possible to the VDD pin (pin 1), with the ground side returned directly to VSS (pin 8). For battery-powered designs, add a 10 uF bulk capacitor near the supply pin to handle inrush when the ADC reference is switched. According to the Microchip PIC12C67X datasheet, the maximum VDD rise-time must be respected to prevent spurious POR events; a soft-start RC on VDD may be needed if the supply ramps slowly.
Pin 4 is shared between GP3 (digital input only), MCLR (reset, active low), and VPP (programming voltage). If MCLR is enabled in configuration fuses, the pin requires a pull-up resistor (typically 10 kohm) to VDD to avoid unintended resets. If MCLR is disabled, pin 4 becomes a digital-only input and the device is reset only by POR or WDT. Mistakenly driving VPP level (around 13 V) on pin 4 in-circuit is destructive - route programming access through a dedicated ICSP header, never through the application circuit.
The SOIJ-8 J-lead footprint has a 1.27 mm pitch and 5.23 mm body length. Use the IPC-7351 SOIJ-8 land pattern with at least 0.5 mm clearance between adjacent pins to avoid solder bridging under production reflow profiles. Keep the analog-input traces (GP0-GP3 when used as ADC inputs) short and guarded by a ground trace to reduce digital-coupling noise; the 8-bit ADC has limited dynamic range and is sensitive to high-frequency switching noise on the VDD rail.
The PIC12C672 ADC uses VDD as the reference by default; for applications requiring better than 8-bit absolute accuracy, switch to an external reference by configuring the VCFG bit and routing the reference voltage to the GP1/AN1 pin. Allow at least 20 us acquisition time (Tacq) between channel selection and ADC read - waiting only 1-2 instruction cycles will produce noisy conversions. Averaging 4 to 16 samples in firmware typically improves effective resolution by 1-2 bits.
تعمیل کی معلومات
RoHS and REACH compliance per Microchip product declaration. Not AEC-Q100 qualified - for automotive safety applications use an AEC-Q100-grade MCU. Halogen-free status not explicitly stated in verified data; check Microchip environmental portal for confirmation.
