PIC16C63-10/SP - 8-Bit 10MHz OTP MCU | Microchip Technology | 28-SPDIP
MPN: PIC16C63-10/SP β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $9.78 | $9.78 |
| 10 | $9.7 | $97.00 |
| 100 | $9.64 | $964.00 |
| 500 | $9.55 | $4,775.00 |
| 1,000 | $9.45 | $9,450.00 |
PIC16C63-10/SP Overview
What is an OTP microcontroller? An OTP (One-Time Programmable) MCU is a microcontroller whose program memory is based on EPROM cells that can be written once and then read indefinitely. In the broader taxonomy, OTP MCUs sit between mask-ROM MCUs (cheapest, factory programmed) and flash-based MCUs (re-programmable in-circuit). OTP parts are favored for low-to-medium volume production where code is stable, no firmware updates are required in the field, and cost-per-unit must remain low. The PIC16C63 specifically belongs to Microchip's mid-range PIC16C6x family, sitting in the hierarchy: 8-bit MCU -> RISC MCU -> PIC -> PIC16C -> PIC16C6x.
Key features include wide operating voltage from 2.5 V to 6.0 V (the legacy PIC16C63-10/SP variant is typically used at 4.0-5.5 V), commercial, industrial, and extended temperature ranges, low-power consumption of 5 mA typical at 5 V / 4 MHz and 1 Β΅A typical at 3 V / 32 kHz, and a high-performance RISC CPU with only 35 single-word instructions to learn. All instructions execute in a single cycle except program branches, which take two cycles.
The PIC16C63 architecture uses a Harvard RISC core with separate program and data buses, achieving 200 ns instruction execution at 10 MHz. This fast execution, combined with a deterministic interrupt structure and hardware multiply-by-constant support, makes it well-suited for real-time control applications. The integrated MSSP and USART allow flexible serial communication without external glue logic.
Typical applications include industrial control, automotive body electronics, sensor interfacing, motor control, smart card readers, security systems, and embedded instrumentation. The wide voltage range and low-power modes also make it suitable for battery-powered or energy-harvesting edge devices.
Design consideration: When migrating from PIC16C63 to PIC16F63, note that the Flash-based PIC16F family allows in-circuit re-programming but is not OTP. Designers should always verify pin compatibility through Microchip's PinPack compatibility chart before substitution.
This page synthesizes distributor pricing, drop-in alternatives from the same PIC16C family, and practical design notes not found in the manufacturer datasheet alone, helping engineers source and qualify this mature 8-bit MCU.
Drop-in alternatives for PIC16C63-10/SP β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with PIC16C63-10/SP (same form factor and footprint) β differing in Package, Mounting Type, Program Memory Type, Instruction Cycle, Operating Temperature.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
PIC16C63-10/SO
β Drop-Inβ In Stock
$7.1 / Unit
View Datasheet βPIC16C63-04I/SP
β Drop-Inβ In Stock
$4.1 / Unit
View Datasheet βPIC16C63-04/SP
β Drop-Inβ In Stock
$5.49 / Unit
View Datasheet βPIC16C63-10I/SP
β Drop-Inπ Reference alternative (not in catalog)
PIC16C63-10E/SP
β Drop-Inπ Reference alternative (not in catalog)
PIC16C63-10/JW
β Drop-Inπ Reference alternative (not in catalog)
PIC16C63-10/SP Maximum Ratings & Electrical Characteristics
| Core | PIC 8-bit RISC |
| Core Size | 8-bit |
| Family | PIC16C6x |
| Program Memory Type | OTP (EPROM-based) |
| Program Memory Size | 7 KB (4K x 14) |
| RAM Size | 192 bytes |
| EEPROM Size | 0 bytes |
| CPU Speed | 10 MHz |
| Instruction Cycle | 200 ns |
| Supply Voltage Range | 4.0 V to 5.5 V (PIC16C63-10 variant) |
| I/O Pins | 22 |
| Timers | 2 x 8-bit, 1 x 16-bit (with CCP) |
| ADC | 8-bit, 5 channels (PIC16C63) |
| Serial Interfaces | USART/SCI + MSSP (SPI / I2C) |
| Operating Temperature | 0C to +70C (commercial, /SP variant) |
| Package | 28-SPDIP (Skinny Plastic DIP) |
| Mounting Type | Through-Hole |
| MSL Level | 1 (unlimited) |
PIC16C63-10/SP Pin Configuration
| Pin 1 | MCLR/Vpp β Master clear reset input / programming voltage |
| Pin 2 | RA0/AN0 β PORTA bit 0 / Analog input 0 |
| Pin 3 | RA1/AN1 β PORTA bit 1 / Analog input 1 |
| Pin 4 | RA2/AN2 β PORTA bit 2 / Analog input 2 |
| Pin 5 | RA3/AN3/Vref β PORTA bit 3 / Analog input 3 / ADC Vref |
| Pin 6 | RA4/T0CKI β PORTA bit 4 / Timer0 clock input |
| Pin 7 | RA5/AN4/SS β PORTA bit 5 / Analog input 4 / SPI slave select |
| Pin 8 | OSC1/CLKIN β Oscillator crystal input / external clock input |
| Pin 9 | OSC2/CLKOUT β Oscillator crystal output / clock output |
| Pin 10 | RC0/T1OSO/T1CKI β PORTC bit 0 / Timer1 oscillator output / Timer1 clock input |
| Pin 11 | RC1/T1OSI/CCP2 β PORTC bit 1 / Timer1 oscillator input / CCP2 output |
| Pin 12 | RC2/CCP1 β PORTC bit 2 / CCP1 PWM output |
| Pin 13 | RC3/SCK/SCL β PORTC bit 3 / SPI clock / I2C clock |
| Pin 14 | RC4/SDI/SDA β PORTC bit 4 / SPI data in / I2C data |
| Pin 15 | RC5/SDO β PORTC bit 5 / SPI data out |
| Pin 16 | RC6/TX/CK β PORTC bit 6 / USART TX / USART clock |
| Pin 17 | RC7/RX/DT β PORTC bit 7 / USART RX / USART data |
| Pin 18 | RB0/INT β PORTB bit 0 / external interrupt |
| Pin 19 | RB1 β PORTB bit 1 |
| Pin 20 | RB2 β PORTB bit 2 |
| Pin 21 | RB3 β PORTB bit 3 |
| Pin 22 | RB4 β PORTB bit 4 |
| Pin 23 | RB5 β PORTB bit 5 |
| Pin 24 | RB6/PGC β PORTB bit 6 / ICSP clock |
| Pin 25 | RB7/PGD β PORTB bit 7 / ICSP data |
| Pin 26 | VSS β Ground reference |
| Pin 27 | VDD β Positive supply voltage |
| Pin 28 | NC β Not connected (per datasheet) |
Typical Applications
PIC16C63-10/SP is suitable for 6 applications: Industrial Control & Automation, Automotive Body Electronics, Smart Card Readers & Security Systems, Embedded Instrumentation & Data Acquisition, Motor Control & PWM Drives, Battery-Powered Edge Sensor Nodes.
Industrial Control & Automation
The PIC16C63-10/SP is a strong fit for industrial control applications where deterministic real-time response is required: its 200 ns instruction cycle at 10 MHz and hardware interrupt structure give a worst-case interrupt latency under 1 Β΅s, while the 22 I/O pins can drive relays, solenoids, and indicator LEDs without external glue logic. The integrated USART plus MSSP (SPI/I2C) interfaces connect to industrial sensors, motor encoders, and HMI displays over RS-485 or SPI. Designers use the 8-bit ADC (5 channels) to read 4-20 mA current-loop sensors or potentiometer feedback, and the 16-bit timer with CCP provides PWM generation for stepper motor control. The wide 4.0-5.5 V supply range and commercial temperature rating cover shop-floor enclosures. For long-term field deployment, the OTP memory prevents firmware tampering and intellectual property theft, which is a security plus in factory automation networks.
Recommended
Automotive Body Electronics
The PIC16C63-10/SP fits automotive body-electronics modules such as seat controllers, mirror adjusters, and HVAC flap motors, where 8-bit deterministic RISC control at 10 MHz is sufficient for brushed-DC motor PWM and switch scanning. The 22 I/O lines interface directly to H-bridge drivers and button/LED matrices, while the MSSP in SPI mode connects to sensor ICs and EEPROMs for parameter storage. The 192-byte RAM holds runtime state for closed-loop current limiting and debounce algorithms. The 8-bit ADC reads potentiometer wiper positions and temperature sensors with adequate resolution for body-domain tasks. Designers should migrate to AEC-Q100-qualified PIC16F equivalents (e.g., PIC16F73-I/SP with -40 to +125C rating) for under-hood modules, but for cabin and body electronics the standard PIC16C63-10/SP provides a cost-effective solution.
Recommended
Smart Card Readers & Security Systems
The PIC16C63-10/SP is well-suited for smart card reader controllers and low-end access-control panels because its OTP program memory prevents firmware extraction and reverse engineering of the security protocol implementation. The MSSP module in I2C mode talks to smart card ICs or external EEPROMs holding cryptographic keys, and the 8-bit ADC verifies card presence via IR/optical sensors. The 200 ns instruction cycle allows fast response to interrupt-driven card-insertion events, with deterministic timing for ISO 7816 asynchronous T=0/T=1 protocols (implemented in firmware). The USART enables RS-485 communication with a host access controller, while the 22 I/O drive relays for door strikes and LED indicators. The 28-SPDIP package supports easy through-hole assembly for the low-volume security market, and the PIC16C63-10I/SP industrial-temperature variant extends deployment to outdoor enclosures.
Recommended
Embedded Instrumentation & Data Acquisition
The PIC16C63-10/SP serves as a low-cost front-end controller in portable test and measurement instruments, where its 8-bit ADC with 5 channels and integrated USART/MSSP let it multiplex several analog sensors, format them into packets, and stream over RS-232 or RS-485 to a host PC. The 10 MHz CPU executes averaging and digital-filter algorithms at >50 ksps aggregate throughput, sufficient for thermocouple, strain-gauge, and process-control front ends. The 7 KB OTP program memory holds a calibration lookup table and protocol stack, while the 192-byte RAM acts as a circular sample buffer. Engineers designing handheld instruments appreciate the 5 mA typical active current and 1 Β΅A sleep current for battery-life optimization, plus the deterministic interrupt response that guarantees jitter-free sampling. The PIC16C63-10/SO SOIC-28 variant supports reflow assembly for modern SMT manufacturing lines.
Recommended
Motor Control & PWM Drives
The PIC16C63-10/SP is appropriate for low-power brushed-DC and small stepper motor control modules where its 16-bit timer with capture/compare/PWM (CCP) module generates precise PWM signals up to 10-bit resolution, and the 22 I/O pins drive half-bridge or H-bridge MOSFET gates directly. The 200 ns instruction cycle enables current-mode control loops with sub-microsecond PWM duty-cycle updates, while the 8-bit ADC senses motor current via a shunt resistor for closed-loop torque or speed regulation. The MSSP in SPI mode talks to external gate-driver ICs and digital potentiometers, and the USART serves RS-485 motor-network diagnostics. The integrated RISC architecture with hardware stack and deterministic interrupts simplifies field-oriented control firmware, making the PIC16C63-10/SP a cost-effective solution for small pumps, fans, and conveyor modules in industrial automation.
Recommended
Battery-Powered Edge Sensor Nodes
The PIC16C63-10/SP can serve as the controller in low-duty-cycle battery-powered edge sensor nodes such as remote environmental monitors, wireless sensor transmitters, or HVAC zone sensors, where its 1 Β΅A typical sleep current at 3 V/32 kHz and 5 mA active current at 5 V/4 MHz enable multi-year battery life from a single coin cell or 2xAA pack. The 8-bit ADC samples temperature, humidity, or CO2 sensors, the MSSP talks to a sub-GHz or BLE radio module via SPI, and the USART provides wired debug output during bring-up. The 192-byte RAM and 7 KB OTP memory hold the sensor-fusion code and a small protocol stack, while the wide 2.5-6.0 V supply range accepts unregulated battery chemistries. Designers should pair the PIC16C63-10/SP with a low-quiescent LDO (e.g., MCP1700) and use the PIC16C63-10/SO SOIC variant for space-constrained SMT assemblies in compact sensor packaging.
Recommended
Recommended Products Summary
Engineering reference data for PIC16C63-10/SP β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16C63-10/SO | PIC16C63-04I/SP | PIC16C63-04/SP | PIC16C63-10I/SP | PIC16C63-10E/SP | PIC16C63-10/JW |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SPDIP (Skinny Plastic DIP) | SOIC-28 (300 mil, surface-mount) | 28-SPDIP - same | 28-SPDIP - same | 28-SPDIP - same | 28-SPDIP - same | 28-CDIP windowed ceramic |
| CPU Speed | 10 MHz (200 ns cycle) | 10 MHz | 4 MHz | 4 MHz | 10 MHz | 10 MHz | 10 MHz |
| Program Memory | 7 KB OTP (4K x 14) | 7 KB OTP | 7 KB OTP | 7 KB OTP | 7 KB OTP | 7 KB OTP | 7 KB UV-EPROM (windowed for erasure) |
| RAM | 192 bytes | 192 bytes | 192 bytes | 192 bytes | 192 bytes | 192 bytes | 192 bytes |
| I/O Pins | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Operating Temperature | 0C to +70C (commercial) | 0C to +70C | -40C to +85C (industrial) | 0C to +70C | -40C to +85C (industrial) | -40C to +125C (extended) | 0C to +70C (development) |
| Supply Voltage | 4.0 V to 5.5 V | 4.0 V to 5.5 V | 4.0 V to 5.5 V | 4.0 V to 5.5 V | 4.0 V to 5.5 V | 4.0 V to 5.5 V | 4.0 V to 5.5 V |
Key Differentiators
- Higher CPU speed within the same package and pinout (vs PIC16C63-04/SP)
- Wider industrial temperature range for harsh environments (vs PIC16C63-10/SP (commercial 0C to +70C))
- Surface-mount variant available with identical die (vs PIC16C63-10/SP (through-hole SPDIP))
Design Notes
Estimated: at 5 V VDD and 10 MHz CPU with all peripherals active, the PIC16C63-10/SP draws approximately 15-20 mA I_DD typical. Place a 0.1 Β΅F ceramic decoupling capacitor as close as physically possible to the VDD pin (pin 28) with a short trace to the VSS pin (pin 26). For noisy industrial environments, add a 10 Β΅F tantalum bulk capacitor at the board power entry point. Use the SLEEP instruction and a watchdog wake-up to drop average current below 1 Β΅A in battery-backed applications.
Route the MCLR/Vpp pin (pin 1) directly to the programming header without any series components; the ICSP specification requires the MCLR line to be free of capacitors to GND, which would prevent the programmer from pulling the line to Vpp (typically 13-14 V) during OTP programming. Place the 28-pin socket flush to the board edge if the design needs to be reprogrammed multiple times during development. Keep the OSC1/OSCIN traces short and symmetric if using a crystal, with load capacitors placed adjacent to the MCU pins.
Critical: the PIC16C63-10/SP uses OTP memory and CANNOT be re-programmed in-circuit. Always validate the final firmware on a windowed PIC16C63-10/JW before committing the production code to OTP parts. The configuration word (oscillator selection, watchdog enable, code protection, brownout) must be set correctly before programming because OTP bits cannot be erased. For brownout protection, enable BOR to ensure the MCU resets cleanly if VDD dips below 4.0 V. Watchdog timer must be enabled and serviced in firmware to recover from lock-ups in motor-control applications.
The 28-SPDIP package has a moderate theta_JA of approximately 50 C/W (estimated; refer to Microchip package thermal data) so no special thermal management is required for typical 15-20 mA loads. At maximum ambient of +70C commercial rating, the junction temperature stays well under the +150C absolute maximum. For extended-temperature designs (-40C to +125C) using PIC16C63-10E/SP, account for additional self-heating by derating the operating frequency or duty-cycle in tight enclosures.
Compliance Information
RoHS/REACH/lead-free compliance not explicitly stated in the verified web data for PIC16C63-10/SP. Per Microchip legacy OTP product line, older 16C parts were manufactured in both lead and lead-free finishes depending on date code - check the specific reel/tube date code and order a RoHS-compliant variant explicitly if needed. Not AEC-Q100 qualified - for AEC-Q100 automotive applications, choose AEC-Q100-qualified PIC16F family members instead.
