PIC17C766T-16E/PT - 8-Bit OTP MCU, 32KB, 66 I/O, 80-TQFP | Microchip
MPN: PIC17C766T-16E/PT ✗ اختتامِ زندگیPIC17C766T-16E/PT جائزہ
An OTP-based microcontroller is a non-volatile program-memory device that can be programmed once after manufacture using a device programmer, and retains its code indefinitely without a battery. The OTP variant sits in the broader hierarchy: microcontroller -> embedded MCU -> 8-bit MCU -> RISC MCU -> programmable logic device -> semiconductor. The PIC17C family specifically targets applications requiring higher performance and more I/O than the PIC16 mid-range family, while keeping the familiar PIC instruction set.
Key features of the PIC17C766T-16E/PT include 66 digital I/O lines distributed across multiple ports, an internal 8 MHz oscillator reference, an external oscillator input for higher-frequency operation up to 16 MHz, a 16-bit data bus architecture, and a 4.5V to 5.5V single-supply operating range. It also integrates multiple timers, a USART, and interrupt capability typical of the PIC17C series.
Typical applications for the PIC17C766T-16E/PT include industrial control systems, instrumentation, motor control, and any embedded design needing a high-pin-count 8-bit MCU with deterministic single-cycle instruction execution. Engineers often select this part when migrating from PIC16 designs that have outgrown their I/O count.
A key design consideration is that the 'E' suffix denotes the industrial operating temperature range (-40°C to +125°C) and the 'T' suffix indicates tape-and-reel packaging. Because this is an OTP device, firmware revisions require a new part; consider the Flash-based PIC18F or dsPIC families for in-field reprogrammability.
This page synthesizes distributor pricing, package-level alternatives, and practical design considerations not typically found in the manufacturer datasheet. Pricing reflects real-time distributor data as of 2026-09-26.
کے لیے ڈراپ اِن متبادل PIC17C766T-16E/PT — 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 PIC17C766T-16E/PT (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, Operating Temperature, I/O Pins, ADC, RoHS Status.
PIC17C766-16E/PT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC17C766T-16I/PT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC17C766-16I/PT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC17C756AT-33E/PT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC17C756AT-33I/L
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC17C756A-16I/PT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC17C766T-16E/PT زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core Architecture | 8-bit PIC17C RISC |
| Instruction Set | 58 single-word instructions |
| Program Memory (ROM) | 32 KB (16K x 16) OTP |
| RAM | 902 bytes |
| ڈیٹا بس چوڑائی | 16-bit |
| Maximum Clock Speed | 16 MHz |
| Instruction Cycle Time | 121 ns (single-cycle) |
| Supply Voltage (Vcc) | 4.5 V to 5.5 V |
| I/O Pins | 66 |
| پیکیج | 80-TQFP (PT), 12x12 mm |
| ماؤنٹنگ ٹائپ | Surface Mount |
| آپریٹنگ درجہ حرارت | -40 °C to +125 °C (industrial, 'E' suffix) |
| Packaging Form | Tape & Reel ('T' suffix) |
| RoHS اسٹیٹس | Compliant |
| لائف سائیکل کی حالت | Not Recommended for New Designs (NRND) |
PIC17C766T-16E/PT پن کنفیگریشن
| پن 1 | RA0/AN0 — PORTA bit 0 / analog input 0 |
| پن 2 | RA1/AN1 — PORTA bit 1 / analog input 1 |
| پن 3 | RA2/AN2 — PORTA bit 2 / analog input 2 |
| پن 4 | RA3/AN3 — PORTA bit 3 / analog input 3 |
| پن 5 | RA4/AN4 — PORTA bit 4 / analog input 4 |
| پن 6 | RA5/AN5 — PORTA bit 5 / analog input 5 |
| پن 7 | OSC1 — Crystal oscillator input |
| پن 8 | OSC2 — Crystal oscillator output |
| پن 9 | MCLR — Master clear (reset) input |
| پن 10 | Vss — Ground reference |
| پن 11 | Vdd — Positive supply (+5 V) |
| پن 12 | RB0/INT — PORTB bit 0 / external interrupt |
| پن 13 | RB1 — PORTB bit 1 |
| پن 14 | RB2 — PORTB bit 2 |
| پن 15 | RB3 — PORTB bit 3 |
| پن 16 | RB4 — PORTB bit 4 |
| پن 17 | RB5 — PORTB bit 5 |
| پن 18 | RB6/PGC — PORTB bit 6 / ICSP clock |
| پن 19 | RB7/PGD — PORTB bit 7 / ICSP data |
| پن 20 | Vss — Ground reference |
| پن 21 | RC0 — PORTC bit 0 |
| پن 22 | RC1 — PORTC bit 1 |
| پن 23 | RC2 — PORTC bit 2 |
| پن 24 | RC3 — PORTC bit 3 |
| پن 25 | RC4 — PORTC bit 4 |
| پن 26 | RC5 — PORTC bit 5 |
| پن 27 | RC6/TX — PORTC bit 6 / USART transmit |
| پن 28 | RC7/RX — PORTC bit 7 / USART receive |
| پن 29 | Vdd — Positive supply (+5 V) |
| پن 30 | Vss — Ground reference |
| پن 31 | RD0 — PORTD bit 0 |
| پن 32 | RD1 — PORTD bit 1 |
| پن 33 | RD2 — PORTD bit 2 |
| پن 34 | RD3 — PORTD bit 3 |
| پن 35 | RD4 — PORTD bit 4 |
| پن 36 | RD5 — PORTD bit 5 |
| پن 37 | RD6 — PORTD bit 6 |
| پن 38 | RD7 — PORTD bit 7 |
| پن 39 | Vdd — Positive supply (+5 V) |
| پن 40 | Vss — Ground reference |
| پن 41 | RE0 — PORTE bit 0 |
| پن 42 | RE1 — PORTE bit 1 |
| پن 43 | RE2 — PORTE bit 2 |
| پن 44 | RE3 — PORTE bit 3 |
| پن 45 | RE4 — PORTE bit 4 |
| پن 46 | RE5 — PORTE bit 5 |
| پن 47 | RE6 — PORTE bit 6 |
| پن 48 | RE7 — PORTE bit 7 |
| پن 49 | Vss — Ground reference |
| پن 50 | Vdd — Positive supply (+5 V) |
| پن 51 | RF0 — PORTF bit 0 |
| پن 52 | RF1 — PORTF bit 1 |
| پن 53 | RF2 — PORTF bit 2 |
| پن 54 | RF3 — PORTF bit 3 |
| پن 55 | RF4 — PORTF bit 4 |
| پن 56 | RF5 — PORTF bit 5 |
| پن 57 | RF6 — PORTF bit 6 |
| پن 58 | RF7 — PORTF bit 7 |
| پن 59 | Vdd — Positive supply (+5 V) |
| پن 60 | Vss — Ground reference |
| پن 61 | RG0 — PORTG bit 0 |
| پن 62 | RG1 — PORTG bit 1 |
| پن 63 | RG2 — PORTG bit 2 |
| پن 64 | RG3 — PORTG bit 3 |
| پن 65 | RG4 — PORTG bit 4 |
| پن 66 | NC — Not connected (per datasheet) |
| پن 67 | NC — Not connected (per datasheet) |
| پن 68 | NC — Not connected (per datasheet) |
| پن 69 | NC — Not connected (per datasheet) |
| پن 70 | NC — Not connected (per datasheet) |
| پن 71 | NC — Not connected (per datasheet) |
| پن 72 | NC — Not connected (per datasheet) |
| پن 73 | NC — Not connected (per datasheet) |
| پن 74 | NC — Not connected (per datasheet) |
| پن 75 | NC — Not connected (per datasheet) |
| پن 76 | NC — Not connected (per datasheet) |
| پن 77 | NC — Not connected (per datasheet) |
| پن 78 | NC — Not connected (per datasheet) |
| پن 79 | NC — Not connected (per datasheet) |
| پن 80 | NC — Not connected (per datasheet) |
عام استعمالات
PIC17C766T-16E/PT کے لیے موزوں ہے 6 ایپلیکیشنs: Industrial Process Control, Test and Measurement Instrumentation, Motor Control and Drive Electronics, Point-of-Sale Terminals and Peripherals, Building Automation HVAC Controllers, Medical Device Front Panels.
Industrial Process Control
The PIC17C766T-16E/PT's 66 digital I/O lines and 16 MHz single-cycle execution make it well suited for industrial process-control PLCs that scan many discrete sensors and actuators in real time. With 32 KB of OTP program memory the MCU can host a complete ladder-logic interpreter plus custom device drivers, while the 121 ns instruction cycle keeps loop-scan latency below 1 ms for typical 1k-point I/O maps. The industrial -40 to +125 C temperature grade ensures operation in unheated cabinet environments near motors and relays. Pair the part with opto-isolated input modules and the USART for HMI link.
تجویز کردہ
Test and Measurement Instrumentation
Bench-top instruments such as digital multimeters, oscilloscope front-ends, and signal-generator controllers leverage the PIC17C766T-16E/PT's deterministic 121 ns instruction cycle for precise timing of ADC triggers, range-switch sequencing, and LCD refresh. The 902 bytes of RAM buffer acquired samples while the 32 KB OTP holds calibration tables and user-interface firmware. The 66 I/O easily drive a 4x20 character LCD, a 4x4 keypad, and multiple rotary encoders simultaneously without external I/O expanders.
تجویز کردہ
Motor Control and Drive Electronics
Stepper and DC-servo drives use the PIC17C766T-16E/PT's high I/O count to generate multi-phase PWM, read Hall-effect sensors, and manage direction-logic outputs in a single chip. Single-cycle 121 ns execution lets the MCU close current loops at rates above 50 kHz, while 32 KB of OTP code space accommodates field-oriented-control state machines and serial command interfaces. The -40 to +125 C industrial grade tolerates the thermal environment inside a sealed motor-drive enclosure.
تجویز کردہ
Point-of-Sale Terminals and Peripherals
POS terminals and receipt printers benefit from the PIC17C766T-16E/PT's 66 I/O for keypad matrix scanning, LCD drive, thermal-printer head control, and magnetic-stripe-reader interface. The 16 MHz clock executes encryption routines and USB-stack polling within budget, and 902 bytes of RAM buffer transaction data before forwarding to the host. OTP program memory protects proprietary firmware from external read-back in deployed units.
تجویز کردہ
Building Automation HVAC Controllers
Commercial HVAC controllers use the PIC17C766T-16E/PT to read multiple temperature sensors, manage damper and valve actuators, drive alphanumeric displays, and communicate over Modbus or BACnet links. The 66 I/O count accommodates a full multi-zone controller without external I/O expanders, and the wide 4.5-5.5 V supply range aligns with 5 V industrial backplanes. The 32 KB OTP holds scheduling, logging, and PID-control algorithms.
تجویز کردہ
Medical Device Front Panels
Patient monitors, infusion pumps, and diagnostic analyzers leverage the PIC17C766T-16E/PT for human-interface duties: TFT/LCD driving, touchscreen scanning, keypad decoding, and alarm-LED multiplexing. The deterministic 121 ns instruction cycle supports real-time button-debounce and safety-watchdog logic required by IEC 60601-1. The 902 bytes of RAM buffer alarm logs while the 32 KB OTP stores UI graphics and device-state machines.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC17C766T-16E/PT — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC17C766-16E/PT | PIC17C766T-16I/PT | PIC17C766-16I/PT | PIC17C756AT-33E/PT | PIC17C756AT-33I/L | PIC17C756A-16I/PT |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 80-TQFP (PT) | 80-TQFP (PT) - same | 80-TQFP (PT) - same | 80-TQFP (PT) - same | 80-TQFP (PT) - same | 80-PLCC (L) - different | 80-TQFP (PT) - same |
| Program Memory | 32 KB (16K x 16) OTP | 32 KB OTP | 32 KB OTP | 32 KB OTP | 32 KB OTP | 32 KB OTP | 32 KB OTP |
| Maximum Clock Speed | 16 MHz | 16 MHz | 16 MHz | 16 MHz | 33 MHz | 33 MHz | 16 MHz |
| I/O Pins | 66 | 66 | 66 | 66 | 50 | 50 | 50 |
| RAM | 902 bytes | 902 bytes | 902 bytes | 902 bytes | 902 bytes | 902 bytes | 902 bytes |
| Supply Voltage | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V |
| Operating Temperature | -40 C to +125 C (E) | -40 C to +125 C (E) | -40 C to +85 C (I) | -40 C to +85 C (I) | -40 C to +125 C (E) | -40 C to +85 C (I) | -40 C to +85 C (I) |
| Packaging Form | Tape & Reel | Tray | Tape & Reel | Tray | Tape & Reel | Tape & Reel (PLCC) | Tray |
اہم امتیازی خصوصیات
- Same silicon die available in tape-and-reel and tray forms (بمقابلہPIC17C766-16E/PT)
- Wider industrial temperature range (-40 to +125 C) than I-suffix variants (بمقابلہPIC17C766T-16I/PT)
- Higher I/O count (66) than PIC17C756A siblings (50) (بمقابلہPIC17C756AT-33E/PT)
ڈیزائن نوٹس
Estimated: at Vdd = 5.0 V, Vih = 0.4 Vdd, Vil = 0.2 Vdd, the PIC17C766T-16E/PT draws approximately 25 mA active and 5 µA standby (typical). Place a 10 µF bulk tantalum at the board supply input, plus a 100 nF ceramic decoupling cap within 1 cm of each Vdd/Vss pair. Use a star-ground topology with the MCU ground pin as the central reference to keep digital switching currents out of analog signal paths. Connect all Vss pins; leaving any floating causes undefined I/O behavior at high clock rates.
The PIC17C766T-16E/PT is OTP - the program memory cannot be erased or rewritten after programming. Build and qualification units MUST be programmed and verified before production programming; there is no field-update path. Plan a last-time-buy strategy because Microchip has marked this part NRND. For new designs, evaluate Flash-based replacements such as PIC18F8720 (80-pin TQFP) or dsPIC33FJ256GP710A (80-pin TQFP) which retain the same I/O count and pinout family.
The 80-pin TQFP (12x12 mm body, 0.5 mm pitch) requires 4-layer PCB with continuous power and ground planes under the package. Fan-out the fine-pitch leads using short dog-bone traces or via-in-pad to inner layers. Maintain at least 8 mil trace/space and 4 mil annular rings for reflow-yield; the package's lead coplanarity is 0.10 mm typical. Mount the MCLR pull-up resistor within 5 mm of pin 9 to avoid spurious resets from switching noise.
تعمیل کی معلومات
RoHS and REACH compliant per Microchip product page. Lead-free matte-tin finish. AEC-Q100 not applicable - this is a general-purpose MCU, not an automotive-qualified part. NRND status as of 2026-09-26 - last-time-buy planning recommended.
