PIC16F630-E/P - 8-bit Flash MCU, 1.75KB, 20MHz, 14-PDIP | Microchip
MPN: PIC16F630-E/P β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.34 | $2.34 |
| 10 | $2.05 | $20.50 |
| 100 | $1.74 | $174.00 |
| 500 | $1.45 | $725.00 |
| 1,000 | $1.22 | $1,220.00 |
PIC16F630-E/P Overview
Background Knowledge: A microcontroller (MCU) is a single-chip computer containing a CPU, program memory (Flash/ROM), data memory (RAM/EEPROM), and configurable peripherals such as timers, comparators, ADC, and communication modules. The PIC16 mid-range family uses a 14-bit instruction word RISC architecture with 35 single-word instructions, executing one instruction per instruction cycle (200ns at 20MHz), which simplifies deterministic real-time control. Within the broader taxonomy, PIC16F630 sits in the 8-bit MCU class -> general-purpose MCU -> microcontroller -> embedded computing -> semiconductor.
Key differentiating features include: ultra-low-power nanoWatt technology with sleep currents as low as 100nA, integrated 4MHz internal oscillator (selectable via configuration bits), one analog comparator with programmable reference, 8 MHz / 32 kHz oscillator options, in-circuit serial programming (ICSP) via two pins, and a wide 2.0V to 5.5V supply range that supports both 3.3V and 5V systems. The PIC16F630 also provides a 10-bit prescaler on Timer0, an 8-bit prescaler on Timer2, and a watchdog timer with its own on-chip low-power oscillator for fail-safe operation.
Technical depth: the device operates from -40C to +125C (extended temp, hence the '-E' suffix), supports two oscillator modes (internal 4MHz RC or external crystal/HS), and implements the standard PIC mid-range reset/interrupt/branching model with 8 hardware registers. Code protection, brown-out reset (BOR), and power-on reset (POR) options are mask-selectable via configuration words. The 14-pin PDIP package is 0.300 inch wide, through-hole, lead-free, plastic, and compatible with standard 14-pin DIP sockets, ICSP programming clips, and breadboards, which makes it a popular choice for prototyping and legacy industrial equipment.
Typical applications include consumer remote controls, battery-powered sensor nodes, automotive interior lighting, simple fan/relay controllers, low-end smoke detectors, and white-goods user-interface boards. The PIC16F630 also fits HVAC thermostats, small appliance controls, and handheld measurement instruments where its tiny footprint, low cost, and 100nA sleep current extend battery life.
Design consideration: when migrating from PIC16F630 to PIC16F676, the only meaningful change is the addition of a 10-bit ADC channel; otherwise the die and pinout are identical. Engineers should always fit the smaller PIC12F-series alternative if fewer I/O are required.
This page synthesizes Microchip's official datasheet, current distributor pricing, true drop-in alternatives, and design notes that go beyond the manufacturer's marketing collateral to help engineers select, source, and validate the PIC16F630-E/P for production.
Drop-in alternatives for PIC16F630-E/P 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 PIC16F630-E/P (same form factor and footprint) β differing in Package, Instruction Execution Time, Operating Temperature, Timers, Mounting Type.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
PIC16F630-I/P
β Drop-Inπ Reference alternative (not in catalog)
PIC16F630-E/ST
β Drop-Inβ In Stock
$0.98 / Unit
View Datasheet βPIC16F676-E/P
β Drop-Inπ Reference alternative (not in catalog)
PIC16F676-I/P
β Drop-Inπ Reference alternative (not in catalog)
PIC16F630T-E/ML
β Drop-Inπ Reference alternative (not in catalog)
PIC16F630-E/P Maximum Ratings & Electrical Characteristics
| Architecture | 8-bit PIC16 mid-range RISC |
| Instruction Set Width | 14-bit |
| Number of Instructions | 35 single-word |
| Instruction Execution Time | 200 ns (at 20 MHz) |
| Maximum Clock Speed | 20 MHz |
| Program Memory (Flash) | 1.75 KB (1K x 14) |
| Data Memory (SRAM) | 64 bytes |
| Data EEPROM | 128 bytes |
| Digital I/O Pins | 12 |
| Analog Comparator | 1 |
| Timers | Timer0 + Timer2 |
| Watchdog Timer | Yes (independent on-chip oscillator) |
| Supply Voltage Range | 2.0 V to 5.5 V (operating); 4.5 V to 5.5 V (Flash programming) |
| Operating Temperature Range | -40 C to +125 C (extended, -E suffix) |
| Package | 14-pin PDIP (0.300 inch, lead-free, plastic) |
| Mounting Type | Through-Hole |
| RoHS Status | Compliant |
PIC16F630-E/P Pin Configuration
| Pin 1 | VDD β Positive supply voltage |
| Pin 2 | RA2/T0CKI β Digital I/O / Timer0 clock input |
| Pin 3 | RA0/AN0/C1- β Digital I/O / analog channel 0 / comparator inverting input (not used as AN0 on F630) |
| Pin 4 | RA1/AN1/C1+ β Digital I/O / comparator non-inverting input |
| Pin 5 | RA3/MCLR/VPP β Digital input / Master Clear reset (active low) / programming voltage |
| Pin 6 | RA5/OSC1/CLKIN β Digital I/O / oscillator input / external clock input |
| Pin 7 | RA4/OSC2/CLKOUT β Digital I/O / oscillator output / clock output |
| Pin 8 | VSS β Ground reference |
| Pin 9 | RB0/INT β Digital I/O / external interrupt input |
| Pin 10 | RB1 β Digital I/O |
| Pin 11 | RB2 β Digital I/O |
| Pin 12 | RB3 β Digital I/O |
| Pin 13 | RB4 β Digital I/O |
| Pin 14 | RB5 β Digital I/O |
Typical Applications
PIC16F630-E/P is suitable for 6 applications: Battery-Powered Sensor Nodes, Consumer Remote Controls, Small Appliance Control Boards, HVAC Thermostat Front-End, Automotive Interior Lighting Controllers, Industrial Relay and Fan Controllers.
Battery-Powered Sensor Nodes
The PIC16F630-E/P is well suited to battery-powered sensor nodes where its nanoWatt sleep current below 100 nA and wide 2.0-5.5 V supply range let a single CR2032 coin cell run the MCU for years. The 12 digital I/O pins connect to simple sensors (temperature, PIR, reed switch) and one comparator input supports analog threshold detection without an ADC. The 20 MHz instruction clock with 200 ns cycle time handles periodic wake-measure-transmit cycles in under 1 ms per event, while the watchdog timer with independent on-chip oscillator guards against code hangs in remote, unattended deployments.
Recommended
Consumer Remote Controls
Infrared remote controls benefit from the PIC16F630-E/P's tiny 14-pin PDIP footprint, 1.75 KB Flash for IR protocol state machines, and 12 I/O for keypad matrix scanning. The integrated 4 MHz internal oscillator eliminates an external crystal, reducing BOM cost and PCB area, while nanoWatt sleep currents extend battery life across years of standby. The 200 ns instruction cycle and hardware Timer0 capture support accurate NEC/RC5/SONY IR carrier generation without jitter.
Recommended
Small Appliance Control Boards
White-goods appliances such as coffee makers, blenders, toaster ovens, and rice cookers use the PIC16F630-E/P as the central controller for user-interface buttons, LED indicators, relay drivers, and triac-based AC load switching. Its -40 C to +125 C extended temperature rating handles kitchen and laundry environments, while 12 I/O pins accommodate 4-7 user buttons plus 4-7 indicator LEDs. The integrated comparator is useful for zero-crossing detection of AC mains to drive a triac with minimal EMI.
Recommended
HVAC Thermostat Front-End
Low-cost HVAC thermostat front-ends use the PIC16F630-E/P for keypad scanning, LCD contrast PWM control via Timer2, and analog threshold detection through the on-chip comparator. The 14-pin PDIP remains the lowest-cost package in this family, supporting legacy thermostat PCB layouts. Hardware PWM on the CCP pin (when available through firmware remap) drives the backlight, while the watchdog timer ensures the relay-controlled furnace does not lock in the ON state on software fault.
Recommended
Automotive Interior Lighting Controllers
Ambient LED lighting, dome-light delay controllers, and puddle-light drivers use the PIC16F630-E/P inside the cabin environment, where its extended temperature rating and 12 I/O are sufficient. The device operates directly from a regulated 5 V rail powered by the BCM, and the hardware PWM and Timer0 capture support soft-fade and delay-off functions. Note: this is not AEC-Q100 qualified; for under-hood or safety-critical loads consider PIC16F630-I/P or automotive-grade equivalents.
Recommended
Industrial Relay and Fan Controllers
Cabinet cooling fans, pump relays, and indicator-light stacks in industrial control panels run on the PIC16F630-E/P, leveraging its -40 C to +125 C extended temp and 12 I/O for up to 6 relay outputs plus 6 status LEDs. The integrated comparator monitors a thermistor for fan-on temperature thresholds, and the watchdog timer with dedicated low-power oscillator guarantees the relay defaults to OFF on firmware fault - critical for fail-safe industrial machinery. ICSP via PGD/PGC allows in-field firmware updates.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F630-E/P β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F630-I/P | PIC16F630-E/ST | PIC16F676-E/P | PIC16F676-I/P | PIC16F630T-E/ML |
|---|---|---|---|---|---|---|
| Package | 14-PDIP | 14-PDIP - same | 14-SOIC - same pin count, SMD | 14-PDIP - same | 14-PDIP - same | 14-QFN - same pin count, SMD |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 1.75 KB | 1.75 KB | 1.75 KB | 1.75 KB | 1.75 KB | 1.75 KB |
| SRAM | 64 B | 64 B | 64 B | 64 B | 64 B | 64 B |
| Maximum Clock | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| ADC | None | None | None | 10-bit, 8 channels | 10-bit, 8 channels | None |
| Operating Temperature | -40C to +125C (E) | -40C to +85C (I) | -40C to +125C (E) | -40C to +125C (E) | -40C to +85C (I) | -40C to +125C (E) |
| Approx. Unit Price (qty 100) | $1.74 | $1.60 | $1.85 | $1.95 | $1.80 | $1.78 |
Key Differentiators
- Smallest Flash-based PIC16 with extended temp and 14-pin PDIP (vs PIC12F675)
- No ADC, integrated analog comparator instead (vs PIC16F676-E/P)
- Pin-compatible 14-PDIP and 14-SOIC options from same die (vs PIC16F630-E/ST)
Design Notes
Estimated: the PIC16F630-E/P consumes approximately 2 mA at 5 V and 20 MHz, and as little as 100 nA in Sleep mode with watchdog disabled. For battery-powered designs, switch to the internal 4 MHz RC oscillator and use Sleep between sensor reads to achieve multi-year coin-cell life. Brown-out reset (BOR) should be enabled to prevent code corruption below 2.0 V.
Place a 100 nF decoupling capacitor as close as possible to pin 1 (VDD) and pin 8 (VSS), with a 10 uF bulk capacitor at the regulator output. Keep the MCLR/VPP pull-up resistor (typically 10 kohm) close to the pin to avoid spurious resets. When using an external crystal, route the OSC1/OSC2 traces short and symmetric, with a guard ground to minimize EMI coupling into the analog comparator.
Do not confuse the PIC16F630 (no ADC, has comparator) with the PIC16F676 (has 10-bit ADC); they share the same pinout but the silicon differs. The /MCLR pin is bidirectional on this family - configure it as a digital input only when no external reset is needed, and never drive it above VDD + 0.3 V or below VSS -0.3 V. Watchdog timer prescaler defaults to OFF; explicitly enable it for unattended industrial applications.
Compliance Information
RoHS compliant lead-free PDIP package per Microchip product page. Not AEC-Q100 qualified; for automotive applications consider AEC-Q100-qualified PIC16F alternatives.
