PIC16C662T-10/PQ - 8-Bit OTP MCU, 7KB, 10MHz, 44-MQFP | Microchip
MPN: PIC16C662T-10/PQ ✗ Akhir HidupPIC16C662T-10/PQ Ringkasan
An 8-bit microcontroller (MCU) is a programmable computing engine that executes instructions on 8-bit data paths and serves as the embedded brain of consumer appliances, industrial controllers, and legacy automotive subsystems. MCUs sit below microprocessors in the silicon hierarchy and above discrete logic, integrating CPU core, non-volatile program memory, working RAM, and peripherals into a single die. The PIC16C family targets cost-sensitive applications where OTP programmability, deterministic instruction timing, and small footprint are valued over in-system re-programmability.
Key features of the PIC16C662T-10/PQ include 22 I/O pins with individually programmable direction, a 14-bit instruction word, a Harvard architecture with separate program and data buses, and a wide operating voltage range typical of the PIC16C series. The device is well-suited to applications that require moderate code density (4K words), low power consumption, and analog signal conditioning via on-chip comparators.
Typical applications include appliance control boards, industrial sensor interfaces, security and access-control panels, HVAC actuators, and legacy embedded products. Designers typically pair it with external EEPROM or serial ADC peripherals when non-volatile data storage or higher-resolution analog input is required.
When designing with the PIC16C662T-10/PQ, ensure the OTP window is masked if code security is required, and account for the 10 MHz oscillator ceiling when selecting crystal or resonator components. Because this is an OTP device, firmware verification must be performed on-window or on pre-programmed parts before final commit; consider a flash-based PIC16F equivalent if in-field firmware updates are required.
Alternatif penggantian untuk PIC16C662T-10/PQ — paket yang sama, pin-pada-pin kompatibel. Bagian paket yang berbeda memerlukan kerja ulang PCB diabaikan.
Variasi di dalam seri ini
Model-series yang sama yang kompatibel dengan penggantian PIC16C662T-10/PQ (sama faktor bentuk dan footprint) — berbeda di dalam Program Memory Type, Program Memory Size, Maximum Clock Frequency, Package, Core Architecture.
PIC16C662-10/PQ
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
PIC16C662-20/PQ
✅ Drop-InKontak untuk harga
Lihat Datasheet →PIC16C662-20E/PQ
✅ Drop-InKontak untuk harga
Lihat Datasheet →PIC16C662-20I/PQ
✅ Drop-InKontak untuk harga
Lihat Datasheet →PIC16C662T-04E/PT
✅ Drop-InKontak untuk harga
Lihat Datasheet →PIC16C662T-10/PQ Rating Maksimal & Karakteristik Listrik
| Core | 8-bit PIC |
| Family | PIC16C |
| Program Memory Type | OTP (One-Time Programmable) |
| Program Memory Size | 7 KB (4K x 14 words) |
| Data RAM | 176 bytes |
| Data EEPROM | Not present (external required) |
| Frekuensi Bawah Maximum | 10 MHz |
| I/O Pins | 22 |
| Analog Comparators | 2 |
| ADC | None (external required) |
| Brown-Out Detect (BOD) | Yes |
| Power-On Reset (POR) | Yes |
| Watchdog Timer (WDT) | Yes |
| Package Type | 44-MQFP (PQ) 10x10 mm |
| Tipe Mounting | Surface Mount |
| Lead Pitch | 0.80 mm |
| Architecture | Harvard (separate program/data buses) |
| Instruction Word Width | 14 bits |
Konfigurasi Pin PIC16C662T-10/PQ
| Pin produk 1 | OSC1/CLKIN — Oscillator input or external clock input |
| Pin produk 2 | OSC2/CLKOUT — Oscillator output |
| Pin produk 3 | MCLR — Master clear (reset) input, active low |
| Pin produk 4 | RA0 — PORTA bit 0 (digital I/O) |
| Pin produk 5 | RA1 — PORTA bit 1 (digital I/O) |
| Pin produk 6 | RA2 — PORTA bit 2 (digital I/O) |
| Pin produk 7 | RA3 — PORTA bit 3 (digital I/O) |
| Pin produk 8 | RA4 — PORTA bit 4 (digital I/O / T0CKI) |
| Pin produk 9 | RA5 — PORTA bit 5 (digital I/O / SS) |
| Pin produk 10 | VSS — Ground reference |
| Pin produk 11 | VDD — Positive supply voltage |
| Pin produk 12 | RB0/INT — PORTB bit 0 (external interrupt) |
| Pin produk 13 | RB1 — PORTB bit 1 (digital I/O) |
| Pin produk 14 | RB2 — PORTB bit 2 (digital I/O) |
| Pin produk 15 | RB3 — PORTB bit 3 (digital I/O) |
| Pin produk 16 | RB4 — PORTB bit 4 (digital I/O) |
| Pin produk 17 | RB5 — PORTB bit 5 (digital I/O) |
| Pin produk 18 | RB6 — PORTB bit 6 (digital I/O / PGC) |
| Pin produk 19 | RB7 — PORTB bit 7 (digital I/O / PGD) |
| Pin produk 20 | VSS — Ground reference |
| Pin produk 21 | VDD — Positive supply voltage |
| Pin produk 22 | RC0 — PORTC bit 0 (digital I/O) |
| Pin produk 23 | RC1 — PORTC bit 1 (digital I/O) |
| Pin produk 24 | RC2 — PORTC bit 2 (digital I/O) |
| Pin produk 25 | RC3 — PORTC bit 3 (digital I/O / SCL) |
| Pin produk 26 | RC4 — PORTC bit 4 (digital I/O / SDA) |
| Pin produk 27 | RC5 — PORTC bit 5 (digital I/O / SDO) |
| Pin produk 28 | RC6 — PORTC bit 6 (digital I/O / TX) |
| Pin produk 29 | RC7 — PORTC bit 7 (digital I/O / RX) |
| Pin produk 30 | VSS — Ground reference |
| Pin produk 31 | VDD — Positive supply voltage |
| Pin produk 32 | RE0/RD — PORTE bit 0 / read control |
| Pin produk 33 | RE1/WR — PORTE bit 1 / write control |
| Pin produk 34 | RE2/CS — PORTE bit 2 / chip select |
| Pin produk 35 | NC — Not connected |
| Pin produk 36 | NC — Not connected |
| Pin produk 37 | NC — Not connected |
| Pin produk 38 | NC — Not connected |
| Pin produk 39 | NC — Not connected |
| Pin produk 40 | NC — Not connected |
| Pin produk 41 | NC — Not connected |
| Pin produk 42 | NC — Not connected |
| Pin produk 43 | NC — Not connected |
| Pin produk 44 | NC — Not connected |
Aplikasi Umum
PIC16C662T-10/PQ cocok untuk 6 aplikasis: Appliance Control Boards, Industrial Sensor Interface Panels, Security and Access-Control Panels, HVAC Actuator Controllers, Legacy Embedded Product Maintenance, Consumer Remote Controls and IR Transmitters.
Appliance Control Boards
The PIC16C662T-10/PQ's 7 KB OTP program memory, 22 I/O, and 10 MHz clock make it well suited for washing-machine, dishwasher, and microwave control boards. The Harvard architecture and deterministic 100 ns instruction cycle guarantee loop timing for relay sequencing, sensor polling, and LED indicator multiplexing. Two on-chip analog comparators handle zero-crossing detection for triac-driven heater and motor loads without an external ADC. Brown-Out Detect protects against low-voltage brown-outs common in appliance mains environments.
Direkomendasikan
Industrial Sensor Interface Panels
For industrial sensor-interface panels, the PIC16C662T-10/PQ provides 22 digital I/O lines for polling limit switches, encoders, and indicator lamps. Its OTP memory ensures firmware cannot be inadvertently modified by voltage transients on factory floors. The 176-byte RAM is sufficient for buffering sensor states and short command queues. The two analog comparators allow direct interface to thermistor-bridge and photocell circuits, eliminating external op-amps in cost-sensitive designs.
Direkomendasikan
Security and Access-Control Panels
The PIC16C662T-10/PQ serves as the main controller in security keypads, card-reader interfaces, and access-control panels where 7 KB of code handles PIN validation, relay actuation, and alarm-tone generation. Its OTP memory prevents reverse engineering of secure credential algorithms. Brown-Out Detect and Watchdog Timer provide the fail-safe behavior required in security-system listings. The 10 MHz clock easily meets debounce and timing-slack requirements for keypad scanning and tamper-switch monitoring.
Direkomendasikan
HVAC Actuator Controllers
In HVAC damper and valve actuator controllers, the PIC16C662T-10/PQ drives stepper or DC motor bridges via PWM derived from its on-chip timers, while polling temperature sensors through the two analog comparators. The 14-bit instruction width enables compact state-machine code for proportional-integral control loops. The 22 I/O lines support multi-zone damper arrays, and the Harvard architecture ensures deterministic loop timing even under interrupt load from the Watchdog Timer.
Direkomendasikan
Legacy Embedded Product Maintenance
The PIC16C662T-10/PQ remains in demand for sustaining legacy OEM products whose firmware was committed to OTP silicon years ago. Field replacements and warranty repairs require the exact same silicon to maintain functional and timing compatibility. The 44-MQFP footprint is widely supported by assembly lines still running these legacy boards. For existing designs, Microchip's NRND classification allows continued supply through authorized distribution, but new design-ins should migrate to the flash-based PIC16F877A-I/PQ.
Direkomendasikan
Consumer Remote Controls and IR Transmitters
The PIC16C662T-10/PQ is used in higher-end consumer remote controls that need more code space than typical 8-pin PIC MCUs can offer. Its 7 KB program memory holds multi-protocol IR transmission libraries (RC5, NEC, SIRC) plus custom button-mapping tables. The 10 MHz clock supports accurate 38 kHz carrier generation with minimal software overhead. OTP memory prevents cloning of proprietary IR protocols, an important feature for branded consumer-electronics OEMs.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk PIC16C662T-10/PQ — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | PIC16C662-10/PQ | PIC16C662-20/PQ | PIC16C662-20E/PQ | PIC16C662-20I/PQ | PIC16C662T-04E/PT |
|---|---|---|---|---|---|---|
| Package | MQFP-44 (PQ) 10x10 mm | MQFP-44 (PQ) 10x10 mm - same | MQFP-44 (PQ) 10x10 mm - same | MQFP-44 (PQ) 10x10 mm - same | MQFP-44 (PQ) 10x10 mm - same | TQFP-44 (TQ) - different package family but pin-compatible |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory Type | OTP (7 KB) | OTP (7 KB) - same | OTP (7 KB) - same | OTP (7 KB) - same | OTP (7 KB) - same | OTP (7 KB) - same |
| Maximum Clock Frequency | 10 MHz | 10 MHz - same | 20 MHz (+100%) | 20 MHz (+100%) | 20 MHz (+100%) | 4 MHz (-60%) |
| Operating Temperature Range | Commercial (0C to +70C) | Commercial - same | Commercial - same | Extended (-40C to +125C) | Industrial (-40C to +85C) | Extended (-40C to +125C) |
| Data RAM | 176 bytes | 176 bytes - same | 176 bytes - same | 176 bytes - same | 176 bytes - same | 176 bytes - same |
| I/O Pins | 22 | 22 - same | 22 - same | 22 - same | 22 - same | 22 - same |
| Analog Comparators | 2 | 2 - same | 2 - same | 2 - same | 2 - same | 2 - same |
| Lifecycle Status | NRND | NRND | NRND | NRND | NRND | NRND |
Diferensiator Kunci
- Tape-and-reel packaging for high-volume SMD assembly (vsPIC16C662-10/PQ)
- 10 MHz speed grade optimized for moderate-cost OTP designs (vsPIC16C662-20/PQ)
- MQFP-44 (PQ) package provides lowest-profile SMT option (vsPIC16C662T-04E/PT)
Catatan Desain
Decouple the PIC16C662T-10/PQ VDD pins (11, 21, 31) with 100 nF ceramic capacitors placed within 5 mm of each pin. Add a single 10 uF tantalum or aluminum bulk capacitor at the board entry point to suppress motor and relay switching transients. The device has three VDD/VSS pairs internally bonded - failure to decouple each pair can cause code-fetch corruption under high dI/dt loads.
Route the MCLR reset line away from switching nodes and add a 10 kohm pull-up to VDD. Place the crystal or resonator within 10 mm of OSC1/OSC2 pins and guard the traces with a ground pour to minimize EMI coupling. The MQFP-44 lead pitch is 0.80 mm - use 0.40 mm wide traces and 0.20 mm clearance to maintain manufacturability at outsourced assembly houses.
Because PIC16C662T-10/PQ is OTP memory, any code bug committed to the silicon cannot be patched in the field - thorough verification on a PIC16C662 /JW (windowed) part or on a pin-compatible PIC16F877A-I/PQ emulator is mandatory before production commit. Brown-Out Detect voltage must be configured via configuration fuses lower than the minimum expected VDD; leaving BOD disabled in noisy environments can lead to corrupted program-counter state on brown-out events.
Informasi Konformitas
RoHS, REACH, lead-free, and halogen-free status not explicitly stated in verified distributor data for this NRND OTP part. Conflict-minerals compliance follows Microchip's standard corporate declaration. Verify specific date-code compliance with the supplier before RoHS-only assembly.
