PIC16C67T-04/PT - 8-bit MCU 14KB OTP 4MHz 44-TQFP | Microchip
MPN: PIC16C67T-04/PT ✗ انتهى عمره الإنتاجيPIC16C67T-04/PT نظرة عامة
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, and peripheral interfaces into one package. The PIC16C6x family is classified as a low-power, high-speed CMOS 8-bit RISC MCU family in Microchip's PIC16C mid-range line, itself part of the broader category of microcontrollers, embedded processors, and finally integrated circuits. The 'OTP' program-memory type means the firmware is written once at production and cannot be field-erased, which lowers unit cost in high-volume applications.
Key features include a Harvard RISC architecture with 35 single-cycle instructions, 14-bit wide instruction word, 8-bit data path, four 8-bit timer/counters, two capture/compare/PWM modules, a synchronous serial port (SSP) supporting SPI and I2C, a USART with addressable asynchronous mode, 8-channel 8-bit analog-to-digital converter, and a programmable watchdog timer with on-chip RC oscillator for reliable operation.
The PIC16C67T-04/PT is built on Microchip's low-power CMOS EPROM/ROM process, enabling commercial, industrial, and extended temperature grades with brown-out reset and power-on reset options. Compared with flash-based PIC16F parts, the OTP variant targets cost-sensitive high-volume applications where firmware is finalized before assembly.
Typical applications include industrial control systems, automotive body and chassis subsystems, consumer appliances, security and alarm panels, and smart sensor front-ends where deterministic real-time response and small footprint matter. The wide 2.5 V to 6.0 V supply range also supports battery-backed instrumentation.
When designing with the OTP variant, plan firmware carefully because the program memory cannot be reprogrammed in-circuit. Ensure emulator/ICE support (MPLAB ICE2000/ICE4000) is available during prototype development, or migrate to the pin-compatible PIC16F877 flash variant for prototypes.
بدائل مباشرة لـ PIC16C67T-04/PT — نفس الحزمة، متوافق دبوس بدبوس. تُستثنى القطع ذات الحزم المختلفة التي تتطلب تعديل PCB.
الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع PIC16C67T-04/PT (نفس عامل الشكل والبصمة) — يختلف في Operating Temperature, Program Memory Size, Package, Core Architecture, Maximum Clock Frequency.
PIC16C67-04/PT
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC16C67T-04I/PT
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC16C67-10I/PT
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منهاتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC16C67-20/PT
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منهاتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC16C67T-04/PT الحدود القصوى والخصائص الكهربائية
| Core | PIC16 (8-bit RISC, Harvard) |
| Program Memory Type | OTP EPROM |
| Program Memory Size | 14 KB (8K x 14) |
| RAM Size | 368 x 8 bytes |
| EEPROM Data Memory | Not present |
| أقصى تردد للساعة | 4 MHz |
| Instruction Set Width | 14-bit |
| Number of I/O Pins | 33 |
| Supply Voltage Range | 2.5 V to 6.0 V |
| Oscillator Type | External |
| العلبة / الحالة | 44-TQFP (PT) |
| نوع التركيب | Surface Mount |
| Packaging | Tape & Reel (TR) |
| درجة حرارة التشغيل | 0C to +70C (commercial, '04' grade) |
| حالة RoHS | Compliant |
تكوين أطراف PIC16C67T-04/PT
| دبوس 1 | MCLR/VPP — Master clear (reset) input / programming voltage |
| دبوس 2 | RA0/AN0 — PORTA bit 0 / analog input 0 |
| دبوس 3 | RA1/AN1 — PORTA bit 1 / analog input 1 |
| دبوس 4 | RA2/AN2 — PORTA bit 2 / analog input 2 |
| دبوس 5 | RA3/AN3/VREF+ — PORTA bit 3 / analog input 3 / ADC VREF+ |
| دبوس 6 | RA4/T0CKI — PORTA bit 4 / Timer0 clock input |
| دبوس 7 | RA5/AN4/SS — PORTA bit 5 / analog input 4 / SPI slave select |
| دبوس 8 | RE0/RD/AN5 — PORTE bit 0 / read control / analog input 5 |
| دبوس 9 | RE1/WR/AN6 — PORTE bit 1 / write control / analog input 6 |
| دبوس 10 | RE2/CS/AN7 — PORTE bit 2 / chip select / analog input 7 |
| دبوس 11 | VDD — Positive supply voltage (2.5 V to 6.0 V) |
| دبوس 12 | VSS — Ground reference |
| دبوس 13 | OSC1/CLKIN — Crystal oscillator input / external clock input |
| دبوس 14 | OSC2/CLKOUT — Crystal oscillator output / clock output |
| دبوس 15 | RC0/T1OSO/T1CKI — PORTC bit 0 / Timer1 oscillator output / Timer1 clock |
| دبوس 16 | RC1/T1OSI/CCP2 — PORTC bit 1 / Timer1 oscillator input / CCP2 |
| دبوس 17 | RC2/CCP1 — PORTC bit 2 / Capture/Compare/PWM 1 |
| دبوس 18 | RC3/SCK/SCL — PORTC bit 3 / SPI clock / I2C clock |
| دبوس 19 | RC4/SDI/SDA — PORTC bit 4 / SPI data in / I2C data |
| دبوس 20 | RC5/SDO — PORTC bit 5 / SPI data out |
| دبوس 21 | RC6/TX/CK — PORTC bit 6 / USART TX / USART clock |
| دبوس 22 | RC7/RX/DT — PORTC bit 7 / USART RX / USART data |
| دبوس 23 | RD0/PSP0 — PORTD bit 0 / parallel slave port bit 0 |
| دبوس 24 | RD1/PSP1 — PORTD bit 1 / parallel slave port bit 1 |
| دبوس 25 | RD2/PSP2 — PORTD bit 2 / parallel slave port bit 2 |
| دبوس 26 | RD3/PSP3 — PORTD bit 3 / parallel slave port bit 3 |
| دبوس 27 | RD4/PSP4 — PORTD bit 4 / parallel slave port bit 4 |
| دبوس 28 | RD5/PSP5 — PORTD bit 5 / parallel slave port bit 5 |
| دبوس 29 | RD6/PSP6 — PORTD bit 6 / parallel slave port bit 6 |
| دبوس 30 | RD7/PSP7 — PORTD bit 7 / parallel slave port bit 7 |
| دبوس 31 | VSS — Ground reference |
| دبوس 32 | VDD — Positive supply voltage |
| دبوس 33 | RB0/INT — PORTB bit 0 / external interrupt |
| دبوس 34 | RB1 — PORTB bit 1 |
| دبوس 35 | RB2 — PORTB bit 2 |
| دبوس 36 | RB3/PGM — PORTB bit 3 / low-voltage programming |
| دبوس 37 | RB4 — PORTB bit 4 |
| دبوس 38 | RB5 — PORTB bit 5 |
| دبوس 39 | RB6/PGC — PORTB bit 6 / ICSP clock |
| دبوس 40 | RB7/PGD — PORTB bit 7 / ICSP data |
| دبوس 41 | NC — Not connected (per datasheet) |
| دبوس 42 | NC — Not connected (per datasheet) |
| دبوس 43 | NC — Not connected (per datasheet) |
| دبوس 44 | NC — Not connected (per datasheet) |
التطبيقات النموذجية
PIC16C67T-04/PT مناسب لـ 6 التطبيقs: Industrial Process Control, Automotive Body Electronics, Consumer Appliance Control, Security and Alarm Panels, Smart Sensor Front-Ends, Battery-Backed Instrumentation.
Industrial Process Control
The PIC16C67T-04/PT is well suited to industrial process control PLCs and sensor hubs where deterministic real-time response is mandatory. Its 8-bit RISC core executes 35 single-cycle instructions at 4 MHz, giving a 1 microsecond instruction cycle that simplifies PID loop timing. The integrated 8-channel 8-bit ADC reads temperature, pressure, and flow sensors directly, while the two CCP modules generate PWM outputs for valve and motor control.
موصى به
Automotive Body Electronics
The PIC16C67T-04/PT powers body and chassis modules such as central locking, window lift, mirror control, and HVAC blend actuators. The 33 digital I/O pins drive relays, half-bridges, and LED indicators without external expanders, and the USART interfaces with body control LIN/CAN transceivers. For under-hood applications use the industrial -40C to +85C grade variant. The OTP memory locks firmware at production for security.
موصى به
Consumer Appliance Control
White goods such as washing machines, dishwashers, and microwave ovens adopt the PIC16C67T-04/PT for its low cost and deterministic control. The integrated 14 KB OTP memory holds the user interface, motor sequencing, and safety logic, while the 368-byte RAM supports real-time state machines. The wide 2.5 V to 6.0 V supply directly accepts rectified 5 V rails without additional regulation, simplifying BOM.
موصى به
Security and Alarm Panels
Alarm control panels use the PIC16C67T-04/PT to monitor multiple zones, drive piezo sirens, and manage keypad/LED user interfaces. The 33 I/O lines easily handle 16-zone loops, status LEDs, and a 4x4 keypad matrix without external logic. The programmable watchdog timer with on-chip RC oscillator resets the MCU on firmware lockup, critical for unattended security installations. OTP memory prevents firmware tampering.
موصى به
Smart Sensor Front-Ends
Distributed smart sensor nodes use the PIC16C67T-04/PT as a low-cost analog front-end that digitizes sensors and communicates via SPI or I2C to a host controller. The 8-channel 8-bit ADC samples thermocouples, photodiodes, or load cells, while the MSSP peripheral streams results over a 400 kHz I2C bus. With a 4 MHz clock and CMOS design, the part draws only a few milliamps, suitable for loop-powered 4-20 mA instruments.
موصى به
Battery-Backed Instrumentation
Portable test instruments and data loggers benefit from the PIC16C67T-04/PT's wide 2.5 V to 6.0 V supply range and fully static CMOS design. Brown-out reset cleanly shuts down on battery sag, protecting 368-byte RAM contents. The 4 MHz clock draws only a few milliamps, while sleep mode drops consumption to microamp levels. OTP memory secures calibration constants and prevents firmware reverse engineering.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ PIC16C67T-04/PT — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | PIC16C67-04/PT | PIC16C67T-04I/PT | PIC16C67-10I/PT | PIC16C67-20/PT |
|---|---|---|---|---|---|
| Package | 44-TQFP (PT) | 44-TQFP (PT) - same | 44-TQFP (PT) - same | 44-TQFP (PT) - same | 44-TQFP (PT) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory Type | OTP EPROM (14 KB) | OTP EPROM (14 KB) | OTP EPROM (14 KB) | OTP EPROM (14 KB) | OTP EPROM (14 KB) |
| Maximum Clock Frequency | 4 MHz | 4 MHz | 4 MHz | 10 MHz | 20 MHz |
| Operating Temperature | 0C to +70C (commercial) | 0C to +70C (commercial) | -40C to +85C (industrial) | -40C to +85C (industrial) | 0C to +70C (commercial) |
| RAM Size | 368 bytes | 368 bytes | 368 bytes | 368 bytes | 368 bytes |
| Number of I/O Pins | 33 | 33 | 33 | 33 | 33 |
| Packaging Media | Tape & Reel | Tube | Tape & Reel | Tube | Tube |
أبرز الفروقات
- True silicon-identical drop-in with tube-packaged sibling (مقابلPIC16C67-04/PT)
- Industrial temperature grade in same footprint (مقابلPIC16C67T-04I/PT)
- Higher clock speed options available in same package (مقابلPIC16C67-20/PT)
ملاحظات التصميم
The PIC16C67T-04/PT uses One-Time Programmable EPROM which cannot be erased or reprogrammed. Validate firmware on a flash-based PIC16F877-04/PT prototype first, then commit the final image to OTP for production. Estimated: each blank OTP unit costs ~USD 5.72 at 1k quantity, so rework is expensive. Always generate CRC checksums on the programmed image and read-back-verify before sealing the device.
Power the PIC16C67T-04/PT from a low-dropout regulator such as the MCP1700 to keep VDD clean within 2.5 V to 6.0 V. Decouple VDD with 100 nF X7R ceramic placed within 5 mm of the VDD pins (11 and 32), plus a bulk 10 uF tantalum. The MCLR/VPP pin requires a 10 kohm pull-up to VDD and a 100 nF decoupling capacitor for reliable brown-out reset operation.
Route the 4 MHz crystal traces between OSC1 (pin 13) and OSC2 (pin 14) symmetrically, with a ground guard ring, to suppress radiated EMI. Place the crystal within 10 mm of the MCU. Keep the MCLR trace short and isolated from high-current switching nodes. The 44-TQFP package has a thermal pad-less bottom; copper pour under the package improves heat dissipation but is not strictly required at 4 MHz speeds.
معلومات الامتثال
RoHS compliant per Microchip product page. Not AEC-Q100 qualified - choose AEC-Q100 qualified variants for automotive. NRND (Not Recommended for New Designs) per latest Microchip product lifecycle information.