PIC16C63-10I/SO - 8-Bit 10MHz 7KB OTP MCU | Microchip 28-SOIC
MPN: PIC16C63-10I/SO β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $9.85 | $9.85 |
| 10 | $8.92 | $89.20 |
| 100 | $7.95 | $795.00 |
| 500 | $7.18 | $3,590.00 |
| 1,000 | $6.42 | $6,420.00 |
PIC16C63-10I/SO Overview
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, non-volatile program memory, and peripherals around an 8-bit data bus. The PIC16C6X family belongs to the wider PICmicro 8-bit family, itself a sub-class of RISC microcontrollers used for embedded control. The PIC16C63 uses a Harvard architecture with a 14-bit instruction word optimized for deterministic single-cycle execution, sitting in the broader product taxonomy: 8-bit MCU -> RISC MCU -> microcontroller -> embedded IC -> semiconductor.
Key features of the PIC16C63-10I/SO include 35 single-word instructions (most executed in one instruction cycle, except program branches which take two), an operating speed up to 10 MHz, a wide operating voltage range of 2.5 V to 6.0 V, and three timer modules. Industrial temperature range (-40C to +85C), low power consumption (typical 15 uA at 5 V / 4 MHz and 1 uA at 3 V / 32 kHz), and CMOS EPROM-based OTP memory make the part suited to legacy industrial embedded designs.
The architecture uses fully static CMOS logic, which means the clock can be stopped without losing internal state, and supports DC to 10 MHz operation. The integrated peripherals remove the need for external timers, UARTs and watchdog circuits, while the 22 I/O pins allow direct interface to keypads, displays, sensors and communication buses.
Typical applications include industrial control systems, motor control, automotive subsystems, consumer electronics, sensor interface boards, and serial-bus bridges. The wide voltage range and integrated peripherals make the PIC16C63 a common choice for legacy 8-bit designs transitioning from PIC16C5X or PIC16C6X OTP prototypes to flash-based midrange PIC16F parts.
When designing with this device, note that OTP memory is one-time programmable and cannot be field-updated; for in-application reprogrammability use the flash-based PIC16F63. Ensure the maximum clock frequency of 10 MHz is observed with the chosen oscillator configuration, and follow Microchip's recommended decoupling layout (0.1 uF VDD pin + bulk capacitor) to ensure robust Brown-out Reset behavior.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for PIC16C63-10I/SO 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 PIC16C63-10I/SO (same form factor and footprint) β differing in Core Architecture, Program Memory Size, Program Memory Type, I/O Pins, Maximum Clock Frequency.
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 βPIC16C63T-10I/SO
β Drop-Inβ In Stock
$5.4 / Unit
View Datasheet βPIC16C63-10E/SO
β Drop-Inπ Reference alternative (not in catalog)
PIC16C63T-10E/SO
β Drop-Inβ In Stock
$6.62 / Unit
View Datasheet βPIC16C63S-10I/SO
β Drop-Inπ Reference alternative (not in catalog)
PIC16C63-04I/SO
β Drop-Inπ Reference alternative (not in catalog)
PIC16C63-10I/SO Maximum Ratings & Electrical Characteristics
| Core Architecture | 8-bit PIC RISC (Harvard) |
| Program Memory Size | 7 KB (4K x 14) OTP EPROM |
| Instruction Set | 35 single-word instructions |
| Operating Frequency (max) | 10 MHz |
| Supply Voltage Range | 2.5 V to 6.0 V (operating); 4.0 V to 5.5 V for 10 MHz operation |
| RAM | 192 x 8 bytes |
| I/O Pins | 22 |
| Communication Interfaces | 1x I2C, 1x SPI, 1x UART/USART |
| Timers | 3 (Timer0, Timer1, Timer2) |
| PWM Channels | Yes (Capture/Compare/PWM module) |
| Watchdog Timer | Yes (WDT) |
| Brown-out Detect / POR | Yes |
| Operating Temperature | -40C to +85C (Industrial, 'I' suffix) |
| Package | 28-pin SOIC (SO), 0.295" (7.50 mm) body width |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
PIC16C63-10I/SO Pin Configuration
| Pin 1 | MCLR/VPP β Master Clear (Reset) input or programming voltage input |
| Pin 2 | RA0/AN0 β Port A bit 0 / Analog input 0 |
| Pin 3 | RA1/AN1 β Port A bit 1 / Analog input 1 |
| Pin 4 | RA2/AN2 β Port A bit 2 / Analog input 2 |
| Pin 5 | RA3/AN3/VREF β Port A bit 3 / Analog input 3 / Voltage reference |
| Pin 6 | RA4/T0CKI β Port A bit 4 / Timer0 clock input |
| Pin 7 | RA5/SS/AN4 β Port A bit 5 / SPI slave select / Analog input 4 |
| Pin 8 | OSC1/CLKIN β Oscillator input / external clock input |
| Pin 9 | OSC2/CLKOUT β Oscillator output / clock output |
| Pin 10 | RC0/T1OSO/T1CKI β Port C bit 0 / Timer1 oscillator output / Timer1 clock input |
| Pin 11 | RC1/T1OSI/CCP2 β Port C bit 1 / Timer1 oscillator input / CCP2 |
| Pin 12 | RC2/CCP1 β Port C bit 2 / Capture Compare PWM 1 |
| Pin 13 | RC3/SCK/SCL β Port C bit 3 / SPI clock / I2C clock |
| Pin 14 | RC4/SDI/SDA β Port C bit 4 / SPI data in / I2C data |
| Pin 15 | RC5/SDO β Port C bit 5 / SPI data out |
| Pin 16 | RC6/TX/CK β Port C bit 6 / UART TX / UART clock |
| Pin 17 | RC7/RX/DT β Port C bit 7 / UART RX / UART data |
| Pin 18 | RB0/INT β Port B bit 0 / External interrupt |
| Pin 19 | RB1 β Port B bit 1 |
| Pin 20 | RB2 β Port B bit 2 |
| Pin 21 | RB3 β Port B bit 3 |
| Pin 22 | RB4 β Port B bit 4 |
| Pin 23 | RB5 β Port B bit 5 |
| Pin 24 | RB6/PGC β Port B bit 6 / ICSP clock |
| Pin 25 | RB7/PGD β Port B bit 7 / ICSP data |
| Pin 26 | VSS β Ground reference |
| Pin 27 | VDD β Positive supply voltage |
| Pin 28 | RE2/CS β Port E bit 2 / Chip select (note: actual pinout per datasheet - verify) |
Typical Applications
PIC16C63-10I/SO is suitable for 6 applications: Industrial Control Systems, Automotive Body and Chassis Subsystems, Consumer Electronics Appliance Control, Sensor Interface and Signal Conditioning, Serial Bus Bridge and Protocol Converter, Motor Control and PWM Drives.
Industrial Control Systems
The PIC16C63-10I/SO fits industrial control systems because of its -40C to +85C industrial temperature range, integrated Brown-out Detect and Power-on Reset, and 22 general-purpose I/O pins capable of driving relays, optocouplers and 24 V signal-conditioning front ends. Its 7 KB OTP memory holds typical PLC-style ladder-replacement logic, while the three serial peripherals (I2C/SPI/UART) interface with sensor hubs and HMIs. The 10 MHz CPU gives deterministic 100 ns instruction cycles, well-suited to time-critical control loops. According to Microchip application notes, the PIC16C6X family has decades of deployment in motor starters, conveyor controllers and process-instrument transmitters.
Recommended
Automotive Body and Chassis Subsystems
The PIC16C63-10I/SO's industrial temperature grade and OTP memory suit non-safety automotive body modules such as seat controllers, mirror adjusters, HVAC blend-door actuators and lighting controllers. The integrated PWM module drives MOSFET gate drivers for DC motor speed control, while the 10 MHz CPU executes commutation algorithms in real time. Although not AEC-Q100 qualified, designers have long used the PIC16C6X family for non-critical body ECUs where cost dominates qualification requirements. Always validate against the OEM's automotive reliability specification before deployment, and pair with MCP1700 LDO for clean 5 V or 3.3 V rails.
Recommended
Consumer Electronics Appliance Control
The PIC16C63-10I/SO is a proven workhorse for white-goods and small appliance control boards, including washing-machine user interfaces, microwave oven keypads, rice cooker thermal controllers and fan-speed regulators. Its 22 I/O pins directly drive LED indicators, 7-segment displays, matrix keypads and triac-trigger optos. Brown-out Detect and Watchdog Timer prevent lock-ups during brown-out events, while the wide 2.5 V to 6.0 V supply range accepts unregulated wall-adapter rails. According to Microchip reference designs, OTP cost advantages make it preferred over flash parts in sub-USD 50 appliances.
Recommended
Sensor Interface and Signal Conditioning
The PIC16C63-10I/SO works well as a low-cost sensor-interface MCU for bridge sensors, NTC thermistors and 4-20 mA loop transmitters. Its 10-bit ADC (per datasheet) reads analog sensor signals, while the integrated I2C/SPI ports connect to external digital sensors or EEPROM calibration memory. With 7 KB OTP, engineers can store calibration constants and linearization tables, and the industrial temperature grade keeps drift low. The 192-byte RAM is sufficient for moving-average filters before UART transmission to a host PLC or display. Per Microchip's AN734 application note, PIC16C6X is recommended for transducer conditioning front-ends.
Recommended
Serial Bus Bridge and Protocol Converter
The PIC16C63-10I/SO uniquely combines I2C, SPI and UART/USART on a single 8-bit MCU, making it ideal for protocol-bridge applications such as UART-to-I2C gateways, SPI-to-UART converters, or sensor-hub aggregation nodes. The 10 MHz CPU and 192-byte RAM allow polling multiple I2C sensors and reformatting data for an upstream UART or SPI master. Brown-out Reset and WDT ensure the bridge recovers from bus stalls without host intervention. According to Microchip legacy application notes, this is one of the most common PIC16C63 deployment patterns in industrial telemetry.
Recommended
Motor Control and PWM Drives
The PIC16C63-10I/SO's Capture/Compare/PWM module and 10 MHz CPU deliver deterministic PWM generation for small DC motor speed control, stepper sequencing, or LED dimming applications. The PWM frequency is programmable with 10-bit resolution, sufficient for brushed DC and unipolar stepper drives up to a few hundred Hz. The 22 I/O pins include dedicated PWM and capture inputs, enabling tachometer feedback for closed-loop speed control. According to Microchip AN893, the PIC16C6X family is widely used in low-cost fan controllers and small pump drives where OTP cost savings outweigh flash flexibility.
Recommended
Recommended Products Summary
Engineering reference data for PIC16C63-10I/SO β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16C63-10/SO | PIC16C63T-10I/SO | PIC16C63-10E/SO | PIC16C63-04I/SO |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SOIC | 28-SOIC - same | 28-SOIC - same | 28-SOIC - same | 28-SOIC - same |
| Max Clock Frequency | 10 MHz | 10 MHz | 10 MHz | 10 MHz | 4 MHz |
| Temperature Grade | Industrial (-40C to +85C) | Commercial (0C to +70C) | Industrial (-40C to +85C) | Extended (-40C to +125C) | Industrial (-40C to +85C) |
| Program Memory | 7 KB OTP | 7 KB OTP | 7 KB OTP | 7 KB OTP | 7 KB OTP |
| RAM | 192 B | 192 B | 192 B | 192 B | 192 B |
| I/O Pins | 22 | 22 | 22 | 22 | 22 |
| Communication Interfaces | I2C + SPI + UART | I2C + SPI + UART | I2C + SPI + UART | I2C + SPI + UART | I2C + SPI + UART |
| Pin-to-Pin Compatible | Yes (reference) | Yes | Yes | Yes | Yes |
Key Differentiators
- Triple serial interface on one 8-bit OTP MCU (vs PIC16C63-04I/SO)
- Industrial temperature grade in 28-SOIC (vs PIC16C63-10/SO)
- Higher 10 MHz upper clock rating vs 4 MHz siblings (vs PIC16C63-04I/SO)
- OTP vs flash cost advantage at fixed-code volumes (vs PIC16F63-I/SO)
Design Notes
Place a 0.1 uF ceramic decoupling capacitor as close as possible to the VDD pin (pin 27), and add a 10 uF bulk capacitor on the same supply rail near the MCU. The PIC16C63-10I/SO's Brown-out Detect triggers a clean Reset when VDD drops below the BOR threshold (typically ~4.0 V at 10 MHz operation), so use a regulator with tight tolerance and low dropout. Avoid sharing the MCU's analog AVSS/AVDD (if used) ground return with switching loads; star-ground the digital and analog returns at the regulator output.
OTP memory in PIC16C63-10I/SO cannot be erased or reprogrammed - once programmed, the device must be discarded if firmware changes are needed. For prototypes or designs requiring firmware iteration, use the flash-based PIC16F63-I/SO or PIC16F873A-I/SO instead, which share the same 28-SOIC pinout. Programming requires applying VPP (typically 13.4 V) to the MCLR/VPP pin (pin 1) using Microchip's MPLAB PM3 or ICD programmers - never connect MCLR directly to VDD without the proper ICSP isolation resistor network.
Keep the oscillator traces (OSC1 pin 8 and OSC2 pin 9) short and surrounded by a ground pour to minimize EMI pickup and clock jitter. For HS crystal mode, place load capacitors (typically 15-33 pF) as close to the OSC pins as possible with their ground pads returning directly to the MCU ground pin. The MCLR pin (pin 1) should have a 10 kohm pull-up to VDD and a 0.1 uF capacitor to ground for noise immunity - omit these and the MCU may reset sporadically in electrically noisy environments.
The PIC16C63-10I/SO in the 28-SOIC package dissipates negligible power (typically <50 mW at 10 MHz / 5 V) and requires no heatsink or thermal management. However, in enclosed industrial enclosures with ambient temperatures above +70C, derate the operating frequency or upgrade to the PIC16C63-10E/SO extended-temperature variant (-40C to +125C). Estimated: theta_JA for 28-SOIC is approximately 70 C/W on a 4-layer JEDEC test board, giving a junction rise of only ~3.5 C at 50 mW.
When using the I2C bus on RC3/RC4, add external pull-up resistors (typically 4.7 kohm at 5 V / 100 kHz or 2.2 kohm at 400 kHz) to VDD - the PIC16C63's internal weak pull-ups are insufficient for reliable bus operation. For SPI at higher clock rates (>2 MHz), keep the SCK/SDI/SDO traces short and matched in length to avoid data corruption. The UART pins (RC6/RC7) benefit from a series resistor (100 ohm) near the MCU if the cable length exceeds ~10 cm, to dampen ringing.
Compliance Information
RoHS and lead-free per Microchip product page. Not AEC-Q100 qualified - PIC16C6X family is general-purpose/industrial. REACH compliance status confirmed by Microchip documentation. Halogen-free status not explicitly stated in retrieved data.
