PIC16F630-I/SL - 8-bit Flash MCU, 1.75KB, 12 I/O, SOIC-14 | Microchip
MPN: PIC16F630-I/SL ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.97 | $0.97 |
| 10 | $0.92 | $9.20 |
| 100 | $0.85 | $85.00 |
| 500 | $0.78 | $390.00 |
| 1,000 | $0.72 | $720.00 |
| 3,000 | $0.65 | $1,950.00 |
PIC16F630-I/SL Overview
An 8-bit microcontroller (MCU) is a programmable computing-on-a-chip that executes instructions on 8-bit data words. Within the broader semiconductor taxonomy, an MCU sits below microprocessors (MPUs) in complexity but above simple logic ICs, and the PIC16F630 belongs to the PIC mid-range family, which itself descends from Microchip's PIC® RISC architecture. Flash-based MCUs like the PIC16F630 are in-system programmable, supporting field firmware updates via ICSP without an external programmer, which is a key reason they remain dominant in cost-sensitive embedded designs.
Key features of the PIC16F630 include 35 single-word instructions, an internal 4 MHz oscillator (calibrated to ±1%), an optional 20 MHz external oscillator, a 10-bit resolution timer/counter with programmable prescaler, and wide 2.0V–5.5V operating voltage. The integrated analog comparator supports applications such as battery monitoring, threshold detection, and zero-crossing detection. The device consumes less than 1 mA typical active current at 4 MHz and 5V, and offers sleep mode currents in the microamp range, making it suitable for power-constrained designs.
The PIC16F630 architecture uses a Harvard RISC design with separate program and data buses, allowing instruction fetch and data access in the same clock cycle. This single-cycle execution model provides deterministic timing critical for interrupt-driven embedded firmware. The 14-bit instruction word width (giving 1K x 14 program words) yields compact assembly encoding and efficient use of Flash memory compared with 8-bit instruction-width competitors.
Typical applications include low-cost consumer appliances, remote controls, sensor signal conditioning, LED lighting controllers, small motor drivers, battery chargers, and white-goods user interfaces. The industrial temperature range (-40°C to +85°C for the -I suffix) supports factory automation and outdoor equipment. The wide 2.0–5.5V supply range allows direct connection to single-cell Li-ion, 3.3V logic, or 5V regulated rails.
When designing with this MCU, reserve one I/O line for ICSP clock and one for ICSP data so the firmware can be updated in-circuit. Ensure the MCLR pull-up resistor is correctly sized (typically 10–47 kΩ) and that decoupling is placed within 5 mm of the VDD pin to minimize EMI-induced resets.
This page synthesizes distributor pricing from DigiKey, Mouser, and LCSC, plus drop-in same-family alternatives and practical design notes not found in the manufacturer datasheet alone, helping engineers evaluate the PIC16F630-I/SL for new designs and pin-compatible replacements.
Drop-in alternatives for PIC16F630-I/SL — 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 PIC16F630-I/SL (same form factor and footprint) — differing in Operating Temperature, Package, Core Architecture, Program Memory Type, Timers.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F630-E/SL
✅ Drop-In✓ In Stock
$1.25 / Unit
View Datasheet →PIC16F630-I/ST
✅ Drop-In✓ In Stock
$1.05 / Unit
View Datasheet →PIC16F676-I/SL
✅ Drop-In✓ In Stock
$0.97 / Unit
View Datasheet →PIC16F616-I/SL
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F630T-I/SL
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F630-E/P
✅ Drop-In✓ In Stock
$1.22 / Unit
View Datasheet →PIC16F630-I/SL Maximum Ratings & Electrical Characteristics
| Product Family | PIC® 16F |
| Core Architecture | PIC 8-bit RISC (Harvard) |
| Program Memory | 1.75 KB (1K x 14) Flash |
| Data SRAM | 64 bytes |
| Data EEPROM | 128 bytes |
| Maximum CPU Frequency | 20 MHz |
| Instruction Execution Time | 200 ns |
| Operating Voltage | 2.0 V to 5.5 V |
| Number of I/O Pins | 12 |
| Analog Comparators | 1 |
| Timers | 1 x 8-bit with prescaler |
| Watchdog Timer | Yes |
| Internal Oscillator | 4 MHz calibrated (±1%) |
| Instruction Set | 35 single-word instructions |
| ICSP Programming | Yes (In-Circuit Serial Programming) |
| Operating Temperature | -40°C to +85°C (Industrial -I) |
| Package | 14-SOIC (SL), 150-mil, 3.90 mm body width |
| Mounting Type | Surface Mount |
| Lead-Free / RoHS | Lead-Free / RoHS Compliant |
| MSL Level | MSL-1 |
PIC16F630-I/SL Pin Configuration
| Pin 1 | RA5/MCLR/VPP — Port A bit 5 / Master Clear reset (active low) / Programming voltage input |
| Pin 2 | RA0 — Port A bit 0 (digital I/O / ICSP DAT) |
| Pin 3 | RA1 — Port A bit 1 (digital I/O) |
| Pin 4 | RA2 — Port A bit 2 (digital I/O) |
| Pin 5 | RA3 — Port A bit 3 (digital I/O / MCLR alt) |
| Pin 6 | RA4 — Port A bit 4 (digital I/O / T0CKI) |
| Pin 7 | VDD — Positive power supply (2.0 V to 5.5 V) |
| Pin 8 | VSS — Ground reference |
| Pin 9 | OSC1/RA7 — Crystal oscillator input / Port A bit 7 (digital I/O) |
| Pin 10 | OSC2/RA6 — Crystal oscillator output / Port A bit 6 (digital I/O) |
| Pin 11 | RC0 — Port C bit 0 (digital I/O) |
| Pin 12 | RC1 — Port C bit 1 (digital I/O) |
| Pin 13 | RC2 — Port C bit 2 (digital I/O / comparator output) |
| Pin 14 | RC3 — Port C bit 3 (digital I/O) |
Typical Applications
PIC16F630-I/SL is suitable for 6 applications: Low-Cost Consumer Remote Control, Battery Charger Controller, LED Lighting Controller, Sensor Signal Conditioning Front-End, White Goods User Interface, Industrial Threshold Detector.
Low-Cost Consumer Remote Control
The PIC16F630-I/SL fits remote control designs because its 1.75 KB Flash stores keypad-scan and IR-encoding routines, while 12 digital I/O directly drive the matrix keypad and IR LED without external glue logic. The internal 4 MHz oscillator calibrated to ±1% eliminates an external resonator, shrinking BOM cost. Active current under 1 mA at 4 MHz and 5V supports months of battery life on two AA cells via sleep mode between key presses. Pin-compatible PIC16F676-I/SL upgrade path adds ADC if signal-sensing features are later required. Industrial temperature range allows outdoor equipment.
Recommended
Battery Charger Controller
The PIC16F630-I/SL is well-suited for single-cell NiMH or Li-ion chargers because its on-chip analog comparator performs voltage and current threshold detection without an external op-amp. The 2.0 V to 5.5 V operating range directly interfaces with single-cell battery stacks. The 8-bit timer drives PWM-like charge-current modulation via software. EEPROM stores charge profile parameters (termination voltage, -ΔV detection, temperature window), and Flash supports field firmware updates via ICSP. Watchdog timer protects against firmware hang during long charge cycles.
Recommended
LED Lighting Controller
The PIC16F630-I/SL drives small LED driver circuits and addressable light strings. Its 20 MHz CPU generates accurate bit-banged WS2812/SK6812 timing protocols directly from firmware. The internal oscillator removes external resonator cost. 12 I/O pins support up to 12 individual PWM channels via software. EEPROM stores brightness curves and color patterns. The wide 2.0–5.5 V supply range allows direct 3.3 V or 5 V operation from USB or wall adapters. Industrial temperature range supports outdoor architectural lighting installations.
Recommended
Sensor Signal Conditioning Front-End
The PIC16F630-I/SL serves as a low-cost front-end MCU reading simple digital sensors (Hall-effect, PIR motion, reed switches) and forwarding state changes via GPIO. Its single-cycle 200 ns instruction execution provides deterministic response times under 1 µs for interrupt-driven sensor polling. The 64-byte SRAM holds small buffering, while Flash stores debounce and threshold logic. The watchdog timer recovers from firmware hangs in unattended sensor nodes. Industrial -40°C to +85°C temperature range supports outdoor sensor housings.
Recommended
White Goods User Interface
The PIC16F630-I/SL controls the user-interface logic in washing machines, dishwashers, and microwaves by scanning capacitive or resistive touch pads and driving 7-segment or LCD indicator displays. Its wide 2.0–5.5 V supply tolerance accepts unregulated 5 V rails common in white-goods power supplies. EEPROM stores user settings (spin speed, program choice, delay timer) through power cycles. The 8-bit timer provides accurate buzzer or alert-tone generation. Industrial temperature rating covers appliance-internal operating conditions.
Recommended
Industrial Threshold Detector
The PIC16F630-I/SL provides the comparator and timer needed for threshold-detect and trip-circuit applications such as over-voltage, under-voltage, and zero-crossing detectors. The integrated analog comparator compares a divided input voltage against an internal bandgap reference, eliminating the need for an external comparator IC. The watchdog timer prevents latch-up in unattended industrial monitoring. The 20 MHz CPU runs the relay-control decision logic with deterministic latency. Industrial temperature grade meets factory-automation environment specifications.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F630-I/SL — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F630-E/SL | PIC16F676-I/SL | PIC16F616-I/SL | PIC16F630T-I/SL |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 14-SOIC (SL) | 14-SOIC - same | 14-SOIC - same | 14-SOIC - same | 14-SOIC - same |
| Program Flash Memory | 1.75 KB | 1.75 KB | 1.75 KB | 2 KB (+14%) | 1.75 KB |
| Data SRAM | 64 bytes | 64 bytes | 64 bytes | 128 bytes (2x) | 64 bytes |
| EEPROM | 128 bytes | 128 bytes | 128 bytes | 128 bytes | 128 bytes |
| Maximum CPU Frequency | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Operating Voltage | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V |
| ADC | None (1 analog comparator) | None (1 analog comparator) | 8-channel 10-bit ADC | 8-channel 8-bit ADC | None (1 analog comparator) |
| PWM Channels | 0 (timer-based software PWM) | 0 | 0 | 2 hardware PWM | 0 |
| Operating Temperature | -40°C to +85°C (Industrial) | -40°C to +125°C (Extended) | -40°C to +85°C (Industrial) | -40°C to +85°C (Industrial) | -40°C to +85°C (Industrial) |
| Approx Unit Price (qty 1000) | $0.72 | $0.85 | $0.95 | $1.05 | $0.72 |
Key Differentiators
- Lowest-cost baseline PIC16F family member in 14-SOIC (vs PIC16F676-I/SL)
- Extended temperature variant available with same die (vs PIC16F630-E/SL)
- Wide 2.0 V to 5.5 V supply for battery and 3.3 V/5 V rails (vs PIC16F616-I/SL)
Design Notes
Reserve one I/O line for ICSP programming clock (PGC) and one for ICSP data (PGD) so the firmware can be updated in-circuit without removing the MCU. On the PIC16F630, RA0 is the default PGD and RA1 is the default PGC line. If your application reassigns both pins to high-impedance outputs, ICSP will fail. A 10–47 kΩ pull-up is required on the MCLR pin (RA5/MCLR/VPP, pin 1) to keep the device out of reset; leaving MCLR floating causes intermittent resets.
Place a 100 nF decoupling capacitor within 5 mm of the VDD pin (pin 7) with a direct trace to VSS (pin 8). For designs with long VDD traces or noisy switch-mode power rails, add a 10 µF bulk capacitor at the board supply entry. The internal 4 MHz oscillator is calibrated at the factory, but if your application requires very tight timing across full temperature, an external 20 MHz crystal on OSC1/OSC2 (pins 9/10) provides better stability. A series resistor (typically 100 Ω–1 kΩ) on MCLR can improve ESD immunity in noisy industrial environments.
The PIC16F630 draws less than 1 mA active current at 4 MHz and 5V, but the I/O sourcing/sinking current is rated at 25 mA per pin and 200 mA total package budget. Do not drive multiple LEDs or relays simultaneously at high current; use a transistor driver. In sleep mode the device draws microamp-level current, so battery-powered designs should enter sleep between sensor polls and use the watchdog timer or external interrupt to wake. The brown-out reset (BOR) configuration bit should be enabled for battery applications to avoid executing from a low-voltage supply.
Compliance Information
RoHS compliant per Microchip product page and distributor listings. Not AEC-Q100 qualified—use the PIC16F630-E/SL extended-temperature variant for harsher environments. Lead-free packaging confirmed.
