PIC16F1614-E/P - 8-Bit MCU, 7KB Flash, 32MHz | Microchip
MPN: PIC16F1614-E/P ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.85 | $1.85 |
| 10 | $1.62 | $16.20 |
| 100 | $1.41 | $141.00 |
| 500 | $1.23 | $615.00 |
| 1,000 | $1.08 | $1,080.00 |
PIC16F1614-E/P Overview
An 8-bit microcontroller (MCU) is a single-chip computer that combines a CPU core, program memory (Flash), data memory (RAM), and integrated peripherals on one silicon die. PIC microcontrollers use a RISC-based Harvard architecture where program and data memory have separate buses, enabling single-cycle instruction execution at the oscillator frequency divided by 4. Within the broader semiconductor taxonomy, an MCU sits under microcontroller -> embedded processor -> digital IC -> semiconductor.
Key features include 7KB (4K x 14 words) of self-programmable Flash, 512 bytes SRAM, 256 bytes EEPROM, an enhanced mid-range 16-bit instruction set, and XLP (eXtreme Low Power) technology for sleep currents in the microamp range. The device operates from 2.5V to 5.5V and integrates Core Independent Peripherals such as CWG, NCO, and DSM that offload timing-critical functions from the CPU.
The 24-bit SMT peripheral enables precision time/frequency measurement of digital signals, supporting tachometer, RPM sensing, and capacitive touch decoding applications without CPU overhead. The integrated Math Accelerator executes 32-bit signed/unsigned multiplication and division in hardware, accelerating closed-loop control loops relative to firmware-based math.
Typical applications include small DC motor and BLDC closed-loop control, fan speed controllers, LED lighting drivers with dimming, sensor signal conditioning, and general-purpose embedded control in industrial and consumer appliances. The 14-pin PDIP package simplifies breadboard prototyping and through-hole assembly for low-volume production.
When designing with this device, allocate pin budget carefully: only 14 pins are available and several are shared between analog inputs and digital I/O. Decouple VDD with at least 100nF plus 10uF bulk capacitance placed within 5mm of the supply pins, and use the PPS (Peripheral Pin Select) feature to remap peripherals when needed.
Drop-in alternatives for PIC16F1614-E/P — 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 PIC16F1614-E/P (same form factor and footprint) — differing in Package, ADC, Mounting Type, Operating Voltage Range, Program Memory (Flash).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F1614-I/P
✅ Drop-In✓ In Stock
$0.78 / Unit
View Datasheet →PIC16F1613-I/P
✅ Drop-In✓ In Stock
$1.05 / Unit
View Datasheet →PIC16F1613-E/P
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F1618-E/P
✅ Drop-In✓ In Stock
$1.15 / Unit
View Datasheet →PIC16F1509-I/P
✅ Drop-In✓ In Stock
$1.43 / Unit
View Datasheet →ATMEGA8A-PU
✅ Drop-In✓ In Stock
$1.86 / Unit
View Datasheet →PIC16F1614-E/P Maximum Ratings & Electrical Characteristics
| Architecture | 8-bit PIC16 mid-range enhanced core |
| Program Memory (Flash) | 7 KB (4K x 14 words) |
| Data Memory (SRAM) | 512 bytes |
| Data EEPROM | 256 bytes |
| Instruction Set Width | 16-bit enhanced mid-range |
| Maximum CPU Speed | 32 MHz (8 MIPS) |
| Operating Voltage Range | 2.5 V to 5.5 V |
| ADC | 10-bit, multiple channels |
| PWM / CCP | Yes (Capture/Compare/PWM) |
| 24-bit Signal Measurement Timer (SMT) | Yes |
| Zero-Cross Detection | Yes |
| Math Accelerator | Yes (hardware multiply/divide) |
| Pin Count | 14 |
| Package | PDIP-14 (through-hole, 0.300 in / 7.62 mm row spacing) |
| Temperature Grade | -40C to +125C (industrial, -E suffix) |
| RoHS Status | Compliant (lead-free finish) |
| Mounting Type | Through-Hole (THT) |
PIC16F1614-E/P Pin Configuration
| Pin 1 | VDD — Positive supply voltage (2.5 V to 5.5 V) |
| Pin 2 | RA5 — Bidirectional I/O / analog input / ICSPCLK |
| Pin 3 | RA4 — Bidirectional I/O / analog input |
| Pin 4 | RA3/MCLR/VPP — Master Clear reset (active low) / programming voltage input |
| Pin 5 | RC5 — Bidirectional I/O / analog input / CCP1 |
| Pin 6 | RC4 — Bidirectional I/O / analog input |
| Pin 7 | RC3 — Bidirectional I/O / analog input / SCL/IOC |
| Pin 8 | RC2 — Bidirectional I/O / analog input |
| Pin 9 | RC1 — Bidirectional I/O / analog input / CCP2 |
| Pin 10 | RC0 — Bidirectional I/O / analog input |
| Pin 11 | RA2 — Bidirectional I/O / analog input / interrupt-on-change |
| Pin 12 | RA1 — Bidirectional I/O / analog input / ICSPDAT |
| Pin 13 | RA0 — Bidirectional I/O / analog input |
| Pin 14 | VSS — Ground reference |
Typical Applications
PIC16F1614-E/P is suitable for 7 applications: Small DC Motor / BLDC Closed-Loop Control, Fan Speed Controller with Tachometer Feedback, LED Lighting Driver with Dimming, Capacitive Touch Sensing User Interface, Industrial Sensor Signal Conditioning, Battery-Powered Wireless Sensor Node, Consumer Appliance Control Board.
Small DC Motor / BLDC Closed-Loop Control
The PIC16F1614-E/P is well matched to small DC motor and BLDC closed-loop control because its 24-bit Signal Measurement Timer captures Hall-sensor tachometry at hardware speed, while the Math Accelerator executes the PID calculation without CPU stalls. With 32 MHz and 8 MIPS throughput, the controller can run a 10 kHz control loop while still servicing UART diagnostics and button inputs. The CWG (Complementary Waveform Generator) peripheral generates anti-phase PWM with programmable dead-time directly to the gate driver, eliminating external logic. Position this MCU on the low-voltage logic side of an isolated half-bridge so 24-48 V motor rails never reach the PDIP pins.
Recommended
Fan Speed Controller with Tachometer Feedback
The PIC16F1614-E/P handles closed-loop fan speed control by combining the 24-bit SMT for accurate RPM measurement from the tachometer output with the 10-bit ADC for closed-loop speed adjustment. Its XLP technology keeps sleep current below 1 uA when the fan is idle, which matters for always-on appliances. The CCP module provides variable-frequency PWM to the fan driver FET, and the integrated Zero-Cross Detect enables AC-line-synchronous commutation for line-voltage fans. The 14-pin PDIP package fits neatly inside a small fan-hub controller PCB with through-hole assembly, simplifying prototype rework.
Recommended
LED Lighting Driver with Dimming
The PIC16F1614-E/P drives multi-channel LED lighting by combining its CWG for high-resolution PWM dimming with the Zero-Cross Detect peripheral for AC-line-synchronous phase-cut dimming. The 24-bit SMT accurately measures the dimmer phase angle, while the hardware Math Accelerator computes RMS current for closed-loop constant-current regulation. Its 2.5 V to 5.5 V supply range simplifies integration with both 3.3 V and 5 V driver rails. The 14-pin PDIP footprint keeps the controller PCB small enough to fit inside a junction box, and the -40C to +125C temperature grade supports outdoor commercial luminaire environments.
Recommended
Capacitive Touch Sensing User Interface
The PIC16F1614-E/P supports capacitive touch sensing through its 24-bit SMT peripheral, which measures CTMU charge times on each sense pad with hardware precision. Combined with the 10-bit ADC for proximity sensing, the MCU can replace mechanical buttons with up to 8 touch pads on the 14-pin PDIP package. XLP low-power operation keeps standby current under 1 uA, extending battery life in touch-enabled remote controls and white-goods panels. PPS (Peripheral Pin Select) lets designers route touch channels to whichever pins are convenient, simplifying PCB layout. The -E temperature grade supports automotive and appliance HMI in extreme environments.
Recommended
Industrial Sensor Signal Conditioning
The PIC16F1614-E/P conditions analog sensor signals in industrial environments by leveraging its 10-bit ADC, hardware Math Accelerator for digital filtering, and 24-bit SMT for accurate timing of pulsed sensors like ultrasonic or PIR. With 7 KB Flash it can host a calibration table plus linearization routines for thermocouples, RTDs, and load cells. The 2.5 V to 5.5 V range supports direct 3.3 V operation from industrial 24 V step-down rails. The 14-pin PDIP package fits standard industrial control PCB footprints, and the -40C to +125C range covers outdoor factory and process-control cabinets.
Recommended
Battery-Powered Wireless Sensor Node
The PIC16F1614-E/P works well as the host controller in a battery-powered wireless sensor node where its XLP technology delivers sub-1 uA sleep current and rapid wake-up via the SMT peripheral. The 32 MHz internal oscillator eliminates an external crystal, and the 24-bit SMT times LoRa or sub-GHz transmissions precisely. The Math Accelerator handles AES or data packing without overrunning the CPU. The 14-pin PDIP package is convenient for breadboard development before committing to a surface-mount layout. The -E industrial temperature grade supports outdoor deployments across extreme climate ranges.
Recommended
Consumer Appliance Control Board
The PIC16F1614-E/P is a strong fit for consumer appliance control boards such as coffee machines, microwave ovens, and small kitchen devices because it combines sensor reading, user-interface driving, and load control on one chip. Its 24-bit SMT measures water flow or temperature sensor pulses with hardware precision, the CWG drives TRIAC or MOSFET power stages with anti-phase PWM, and the Math Accelerator handles closed-loop temperature control. The 14-pin PDIP package simplifies in-line assembly for appliance production lines, and the -40C to +125C industrial temperature range handles kitchen thermal stress.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F1614-E/P — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1614-I/P | PIC16F1613-I/P | PIC16F1613-E/P | PIC16F1618-E/P | PIC16F1509-I/P | ATmega8A-PU |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | PDIP-14 (through-hole) | PDIP-14 | PDIP-14 | PDIP-14 | PDIP-20 | PDIP-20 | PDIP-14 |
| Program Flash | 7 KB (4K x 14) | 7 KB | 4 KB | 4 KB | 7 KB | 14 KB | 8 KB |
| SRAM | 512 bytes | 512 bytes | 256 bytes | 256 bytes | 512 bytes | 1024 bytes | 1024 bytes |
| CPU Speed | 32 MHz / 8 MIPS | 32 MHz / 8 MIPS | 32 MHz / 8 MIPS | 32 MHz / 8 MIPS | 32 MHz / 8 MIPS | 20 MHz / 5 MIPS | 16 MHz / 16 MIPS |
| Operating Voltage | 2.5 V to 5.5 V | 2.5 V to 5.5 V | 2.5 V to 5.5 V | 2.5 V to 5.5 V | 2.5 V to 5.5 V | 2.3 V to 5.5 V | 2.7 V to 5.5 V |
| Temperature Grade | -40C to +125C (E) | -40C to +85C (I) | -40C to +85C (I) | -40C to +125C (E) | -40C to +125C (E) | -40C to +85C (I) | -40C to +85C |
| 24-bit SMT | Yes | Yes | Yes | Yes | Yes | No | No |
| Math Accelerator | Yes (hardware multiply/divide) | Yes | Yes | Yes | Yes | No (CLC instead) | Hardware multiply only |
Key Differentiators
- Highest-grade memory option in 14-pin PDIP from the PIC16F161X family (vs PIC16F1613-I/P)
- Industrial -40C to +125C operating range (vs PIC16F1614-I/P)
- Integrated 24-bit Signal Measurement Timer and Math Accelerator (vs PIC16F1509-I/P)
Design Notes
Decouple VDD (pin 1) and VSS (pin 14) with a 100 nF ceramic capacitor placed within 5 mm of the pins, plus a 10 uF bulk capacitor on the same rail. The internal 32 MHz HFINTOSC draws brief current spikes during frequency transitions; insufficient decoupling causes brown-out resets. If using an external crystal, place a guard ring around the oscillator traces and ground the case to VSS. Estimated: total quiescent current is below 1 uA in sleep with XLP enabled, and active current is roughly 5 mA at 32 MHz with all peripherals off.
Route the MCLR/VPP pin (pin 4) to a dedicated reset supervisor or pull-up resistor. Add a 10 kohm pull-up to VDD and a 100 nF cap to ground if the reset signal can pick up noise from adjacent switching traces. Keep the ICSP programming header away from high-voltage motor traces to prevent in-circuit programming faults. Use a star-ground topology with the MCU VSS as the reference, and avoid routing high-current return paths under the PDIP footprint.
Do not assign analog inputs to pins configured as digital outputs - undefined ADC conversion. Use PPS (Peripheral Pin Select) carefully: once a peripheral is mapped to a pin, that pin cannot be reassigned until PPS is unlocked. The -E temperature grade supports up to +125C junction, but the PDIP-14 package has poor thermal dissipation - at high ambient temperatures, ensure the device is not dissipating significant power from internal peripherals. Estimated: max power dissipation in still air at 85C ambient is roughly 800 mW before derating is required.
Compliance Information
RoHS-compliant per Microchip product page. PDIP-14 package is lead-free finish (matte tin). AEC-Q100 automotive qualification not formally listed for -E/P - automotive designs typically use -E/ML or specific AEC-Q100 part numbers from Microchip. Halogen-free status not explicitly stated in distributor data.
