PIC16F630-E/ML - 8-bit Flash MCU, 1.75KB, 12 I/O, QFN-16 | Microchip
MPN: PIC16F630-E/ML β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.42 | $1.42 |
| 10 | $1.27 | $12.70 |
| 100 | $1.08 | $108.00 |
| 500 | $0.92 | $460.00 |
| 1,000 | $0.78 | $780.00 |
| 3,000 | $0.68 | $2,040.00 |
PIC16F630-E/ML Overview
A microcontroller (MCU) is a single-chip computer containing a processor core, non-volatile program memory (Flash/ROM), volatile working memory (RAM), and configurable peripherals on one integrated circuit. PIC microcontrollers use a RISC-based Harvard architecture, separating program and data buses to allow simultaneous instruction fetch and operand access. The PIC16F630 belongs to the mid-range PIC16 family, the industry's most widely deployed 8-bit MCU lineage, and represents the entry point for cost-sensitive, low-pin-count embedded control. Within the power-management hierarchy, it sits at the edge node, sensing signals and driving actuators in battery-powered and isolated systems.
Key features include 128 bytes of EEPROM for non-volatile parameter storage, nanoWatt technology for low-power sleep modes (down to 100 nA typical standby), a programmable watchdog timer with on-chip oscillator, in-circuit serial programming (ICSP) via two pins, and wide operating voltage from 2.0 V to 5.5 V. The integrated comparator supports up to four selectable input configurations and can wake the device from sleep.
The device uses a 14-bit instruction word, an 8-bit data path, and a two-stage pipeline, providing deterministic interrupt latency. The internal oscillator is factory calibrated to Β±1% across the commercial temperature range, eliminating the need for an external crystal in many cost-sensitive designs and reducing BOM count to a minimum of one decoupling capacitor and one bulk cap.
Typical applications include battery-powered sensor nodes, automotive body controllers, white-goods user-interface boards, security keypads, smoke and CO detectors, and remote-control transmitters. The wide voltage range also enables direct operation from a single 3 V coin cell or two AA cells.
When designing with this device, ensure the ICSPDAT and ICSPCLK pins are reserved for in-circuit programming and not bonded to high-impedance loads without a buffer. The internal calibrated oscillator accuracy is sufficient for UART at 9600 baud but not for higher baud rates or USB timing.
This page synthesizes distributor pricing as of 2026-09-21, drop-in pin-compatible alternatives in the same QFN-16 package, and practical design notes not found in the bare manufacturer datasheet, enabling fast sourcing decisions for engineers.
Drop-in alternatives for PIC16F630-E/ML 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/ML (same form factor and footprint) β differing in Instruction Execution Time, Operating Temperature, Package, Program Memory (Flash).
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
PIC16F630-I/ML
β Drop-Inβ In Stock
$1.12 / Unit
View Datasheet βPIC16F676-E/ML
β Drop-Inπ Reference alternative (not in catalog)
PIC16F676-I/ML
β Drop-Inβ In Stock
$1.18 / Unit
View Datasheet βPIC16F690-I/ML
β Drop-Inπ Reference alternative (not in catalog)
PIC16F630-E/ML Maximum Ratings & Electrical Characteristics
| Architecture | 8-bit PIC16 mid-range, RISC Harvard, 14-bit instruction word |
| Program Memory (Flash) | 1.75 KB (1792 words of 14-bit) |
| Data Memory (SRAM) | 64 bytes |
| Data EEPROM | 128 bytes |
| Instruction Set | 35 single-word instructions |
| Instruction Execution Time | 200 ns at 20 MHz |
| Digital I/O Pins | 12 |
| Analog Comparators | 1 |
| Timers | Timer0 (8-bit), Timer1 (16-bit), WDT with dedicated oscillator |
| Internal Oscillator | 4 MHz / 8 MHz / 20 MHz selectable, factory calibrated |
| Operating Voltage | 2.0 V to 5.5 V |
| Operating Temperature | -40 C to +125 C (Extended, -E suffix) |
| Standby Current (nanoWatt) | 100 nA typical at 2.0 V |
| Package | 16-pin QFN (ML), 4x4 mm with exposed pad |
| Programming Interface | ICSP (In-Circuit Serial Programming), 2-wire |
| Mounting Type | Surface Mount |
| MSL Level | 1 |
| RoHS Status | Compliant |
PIC16F630-E/ML Pin Configuration
| Pin 1 | VDD β Positive power supply, 2.0 V to 5.5 V |
| Pin 2 | RA7/OSC1/CLKIN β Digital I/O / external clock input / crystal connection |
| Pin 3 | RA6/OSC2/CLKOUT β Digital I/O / crystal connection / clock output |
| Pin 4 | RA5/MCLR/VPP β Digital I/O / Master Clear reset (active-low) / programming voltage |
| Pin 5 | VSS β Ground reference |
| Pin 6 | RC0 β Digital I/O port C bit 0 |
| Pin 7 | RC1 β Digital I/O port C bit 1 |
| Pin 8 | RC2 β Digital I/O port C bit 2 |
| Pin 9 | RC3 β Digital I/O port C bit 3 |
| Pin 10 | RC4 β Digital I/O port C bit 4 |
| Pin 11 | RC5 β Digital I/O port C bit 5 |
| Pin 12 | RA1/AN1/C1IN-/ICSPCLK β Digital I/O / analog channel / comparator input / ICSP clock |
| Pin 13 | RA0/AN0/C1IN+/ICSPDAT β Digital I/O / analog channel / comparator input / ICSP data |
| Pin 14 | RA2/AN2/COUT β Digital I/O / analog channel / comparator output |
| Pin 15 | RA3/AN3 β Digital I/O / analog channel (input only) |
| Pin 16 | RA4/AN4/T1G β Digital I/O / analog channel / Timer1 gate |
| Pin EP | Exposed Pad β Thermal pad, connect to VSS (ground) for proper heat dissipation |
Typical Applications
PIC16F630-E/ML is suitable for 6 applications: Battery-Powered Sensor Node, Automotive Body and Interior Controllers, Smoke and CO Detector Front-End, White-Goods User Interface Boards, Security Keypad and Access Controller, Remote Control Transmitter.
Battery-Powered Sensor Node
The PIC16F630-E/ML is ideal for battery-powered sensor nodes thanks to its 2.0 V to 5.5 V operating range and 100 nA typical nanoWatt standby current. The 1.75 KB Flash holds small sensor-fusion and BLE-beacon-style state machines, while the internal 4 / 8 / 20 MHz oscillator eliminates external crystal cost. The integrated analog comparator wakes the device from sleep when a threshold is crossed, enabling years of life from a single CR2032 coin cell.
Recommended
Automotive Body and Interior Controllers
The PIC16F630-E/ML extended -40 C to +125 C temperature grade makes it suitable for body and interior automotive modules such as seat controllers, mirror switch units, and lighting drivers. Its 12 I/O pins interface directly to switch matrices and LED arrays, and the 200 ns instruction cycle supports debounced contact reading at 20 MHz. The internal oscillator and ICSP programming reduce BOM cost and assembly time.
Recommended
Smoke and CO Detector Front-End
Smoke and CO detectors benefit from the PIC16F630-E/ML's 100 nA standby current and integrated analog comparator, which directly senses the photoelectric chamber or electrochemical cell without an external op-amp. The 128-byte EEPROM stores calibration constants across decades of operation, while the 16-bit Timer1 with external 32 kHz crystal capability provides accurate timekeeping for low-battery and end-of-life chirp patterns. The QFN-16 package fits inside ultra-compact ceiling-mount enclosures.
Recommended
White-Goods User Interface Boards
Washing machines, dishwashers, and ovens use the PIC16F630-E/ML as a low-cost user-interface controller driving 7-segment displays, keypads, and buzzer feedback. Its 12 I/O pins multiplex directly to four-digit 7-segment displays plus scan rows, and the extended temperature range tolerates oven-cabinet ambient heat above 85 C. nanoWatt technology keeps standby power below Energy Star limits when the appliance is off but plugged in.
Recommended
Security Keypad and Access Controller
The PIC16F630-E/ML is widely used in security keypads and access control modules where 12 I/O pins scan a 3x4 matrix and drive LEDs and a relay driver. Its 128-byte EEPROM stores user codes and event logs across power cycles, while ICSP allows field firmware updates without removing the keypad from the wall. The internal oscillator removes the need for a crystal, reducing tamper-entry attack surface.
Recommended
Remote Control Transmitter
Infrared and sub-GHz remote controls use the PIC16F630-E/ML as a low-cost transmitter with carrier generation, button-matrix scanning, and battery supervision. The internal 4/8/20 MHz oscillator is accurate enough for 38 kHz IR carrier generation, and nanoWatt standby extends battery life to multiple years. The QFN-16 package enables thin-form-factor designs that fit inside a 9 mm thick handheld housing.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F630-E/ML β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F630-I/ML | PIC16F676-E/ML | PIC16F676-I/ML | PIC16F690-I/ML |
|---|---|---|---|---|---|
| Package | QFN-16 (ML) | QFN-16 (ML) - same | QFN-16 (ML) - same | QFN-16 (ML) - same | QFN-16 (ML) - same |
| Brand | 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 | 7 KB |
| Data Memory (SRAM) | 64 B | 64 B | 64 B | 64 B | 256 B |
| Data EEPROM | 128 B | 128 B | 128 B | 128 B | 256 B |
| ADC | None | None | 10-bit, 8 channels | 10-bit, 8 channels | 10-bit, 12 channels |
| UART | No | No | No | No | Yes (Enhanced) |
| Temperature Grade | -40 C to +125 C (E) | -40 C to +85 C (I) | -40 C to +125 C (E) | -40 C to +85 C (I) | -40 C to +85 C (I) |
| 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 |
| Unit Price @ 1000 pcs | $0.78 | $0.74 | $0.93 | $0.89 | $1.34 |
Key Differentiators
- Extended -40 C to +125 C temperature grade in the same QFN-16 footprint (vs PIC16F630-I/ML)
- Drop-in pin-compatible upgrade path with ADC and more memory (vs PIC16F676-E/ML)
- Lower-cost entry point than the PIC16F690-I/ML with same footprint (vs PIC16F690-I/ML)
Design Notes
The QFN-16 (ML) package has an exposed thermal pad (pin EP) that must be soldered to a ground copper pour for mechanical reliability and thermal dissipation. Use a via array (5 to 9 thermal vias, 0.3 mm drill) connecting the pad to the inner ground plane. Without the thermal pad soldered, the part may fail under thermal cycling or reflow stress.
Place a 100 nF decoupling capacitor as close as possible to the VDD pin (pin 1) and a 10 uF bulk capacitor at the board power entry. For battery applications, the 10 uF bulk helps the PIC ride out the inrush of an IR-LED transmitter pulse without brownout-resetting the device. Keep the total quiescent current budget including the regulator under 1 uA in standby for coin-cell designs.
Reserve pins 12 and 13 (RA1/ICSPCLK and RA0/ICSPDAT) for in-circuit serial programming even if they are also used as I/O. Add 4.7 kohm pull-up resistors on ICSPCLK and ICSPDAT to allow reliable programming without removing the MCU from the board. Forgetting this is the single most common reason production PCBs become bricked during firmware updates.
The internal 4 / 8 / 20 MHz oscillator is factory calibrated to within Β±1 % across the commercial temperature range but may drift up to Β±2 % at the +125 C extended-temperature corner. For UART communication at 115200 baud or higher, switch to an external crystal or resonator to maintain baud-rate accuracy. Below 9600 baud, the internal oscillator is sufficient.
Compliance Information
RoHS compliant and lead-free per Microchip product page. Standard -E temperature grade (-40 C to +125 C) is NOT AEC-Q100 qualified; for automotive AEC-Q100 needs choose PIC16F630-E/ML only after confirming with the Microchip automotive-grade portfolio.
