PIC16F1765-E/P - 8-Bit MCU 14KB Flash 32MHz 14-PDIP | Microchip
MPN: PIC16F1765-E/P ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.1 | $2.10 |
| 10 | $1.89 | $18.90 |
| 100 | $1.65 | $165.00 |
| 500 | $1.42 | $710.00 |
| 1,000 | $1.25 | $1,250.00 |
PIC16F1765-E/P Overview
An 8-bit microcontroller is a small computing system on a single chip that integrates a CPU, program memory (Flash/ROM), data memory (RAM), and programmable I/O peripherals. PIC microcontrollers use a modified Harvard RISC architecture with a single accumulator (W) and is part of the broader microcontroller > embedded controller > semiconductor taxonomy, optimized for low-power deterministic control in cost-sensitive applications.
Key features include XLP (eXtreme Low Power) technology with deep sleep currents under typical sub-microamp levels, 10/16-bit PWM with complementary outputs, and integrated op amps that allow analog signal conditioning without external ICs. The 14-pin PDIP footprint supports breadboarding and legacy through-hole designs while the silicon is shared across the 14/20-pin PIC16(L)F176x family.
Architecturally, the PIC16F1765 uses a 14-bit instruction word with a two-stage pipeline, supporting up to 32MHz operation and 125ns instruction cycle. The CLC peripherals allow configurable combinational/sequential logic that can replace small discrete glue-logic ICs. The 10-bit DAC with 5-bit calibration offers buffered analog output for set-point generation.
Typical applications include LED lighting drivers using 16-bit PWM, motor control with complementary PWMs and ZCD for TRIAC dimming, sensor signal conditioning using the integrated op amps, and consumer appliances where cost, low power, and integrated analog are critical. The 'E' suffix indicates the -40C to +125C extended industrial temperature range.
Design with the PIC16F1765 by ensuring ICD programming header access is preserved on the PCB, decoupling VDD with 100nF ceramic at all power pins, and following Microchip AN1078 for dsPIC/PIC MCU EMI layout guidance. Use the MPLAB XC8 toolchain for code development.
This page synthesizes distributor pricing, drop-in package-compatible alternatives, and practical design notes not found in the standalone manufacturer datasheet, providing engineers with a single reference for sourcing and design decisions on PIC16F1765-E/P.
Drop-in alternatives for PIC16F1765-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 PIC16F1765-E/P (same form factor and footprint) — differing in Core Architecture, Package, DAC, ADC, I/O Pins.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F1764-I/P
✅ Drop-In✓ In Stock
$0.82 / Unit
View Datasheet →PIC16F1765-I/P
✅ Drop-In✓ In Stock
$1.34 / Unit
View Datasheet →PIC16F1713-I/P
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F1704-E/P
✅ Drop-In✓ In Stock
$0.85 / Unit
View Datasheet →PIC16F1615-E/P
✅ Drop-In✓ In Stock
$1.18 / Unit
View Datasheet →PIC16F15214-I/P
✅ Drop-In✓ In Stock
$0.76 / Unit
View Datasheet →PIC16F1765-E/P Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC 8-bit RISC |
| Program Memory Type | Flash |
| Program Memory Size | 14 KB (8K x 14) |
| RAM Size | 1 KB |
| Maximum CPU Speed | 32 MHz |
| Operating Voltage Range | 2.3 V to 5.5 V |
| ADC | 10-bit |
| DAC | 10-bit, 5-bit calibration |
| Op Amps | Integrated (per datasheet) |
| Zero Cross Detect (ZCD) | Yes |
| Configurable Logic Cells (CLC) | 3x |
| PWM Resolution | 10/16-bit |
| High-Current I/O | 100 mA |
| Peripheral Pin Select (PPS) | Yes |
| Package | 14-pin PDIP (P) |
| Mounting Type | Through-Hole |
| Pin Count | 14 |
| Operating Temperature Range | -40C to +125C (E suffix) |
| RoHS Status | Compliant |
| MSL Level | 1 (Not Moisture Sensitive) |
PIC16F1765-E/P Pin Configuration
| Pin 1 | VDD — Positive supply voltage (2.3V to 5.5V) |
| Pin 2 | RA5 — Digital I/O / analog input (PPS-mappable) |
| Pin 3 | RA4 — Digital I/O / analog input (PPS-mappable) |
| Pin 4 | RA3/MCLR — Digital I/O or Master Clear (reset) input |
| Pin 5 | RC5 — Digital I/O / analog input (PPS-mappable) |
| Pin 6 | RC4 — Digital I/O / analog input (PPS-mappable) |
| Pin 7 | RC3 — Digital I/O / analog input (PPS-mappable) |
| Pin 8 | RC2 — Digital I/O / analog input (PPS-mappable) |
| Pin 9 | RC1 — Digital I/O / analog input (PPS-mappable) |
| Pin 10 | RC0 — Digital I/O / analog input (PPS-mappable) |
| Pin 11 | RA2 — Digital I/O / analog input (PPS-mappable) |
| Pin 12 | RA1 — Digital I/O / analog input / DAC output (PPS-mappable) |
| Pin 13 | RA0 — Digital I/O / analog input (PPS-mappable) |
| Pin 14 | VSS — Ground reference |
Typical Applications
PIC16F1765-E/P is suitable for 7 applications: LED Lighting Drivers with TRIAC Dimming, Sensor Signal Conditioning with Integrated Op Amps, Small Motor Control and Fan Drivers, Consumer Appliance Control Panels, Battery-Powered IoT Edge Nodes, Industrial Control and Process Set-Point Generation, Smart Home and Building Automation Devices.
LED Lighting Drivers with TRIAC Dimming
The PIC16F1765-E/P excels in TRIAC-dimmable LED lighting by combining its zero cross detect (ZCD) peripheral, 16-bit PWM, and integrated op amps for current sensing. ZCD senses the AC mains zero crossings to synchronize TRIAC firing angles, while the 16-bit PWM delivers high-resolution dimming down to <0.1% steps. The integrated 10-bit DAC with 5-bit calibration provides accurate analog set-point generation for constant-current regulation. XLP low-power modes reduce standby consumption below 100nA in off-state dimmers. Placed on a 14-pin PDIP with a discrete TRIAC and current-sense resistor, this MCU can replace dedicated LED-driver ASICs in dimmable retrofit bulbs. PIC16F1615-I/P is a viable companion for non-dimmable variants where fewer CLCs are acceptable.
Recommended
Sensor Signal Conditioning with Integrated Op Amps
The PIC16F1765-E/P's integrated op amps enable direct interfacing with sensors such as thermistors, photodiodes, and bridge pressure sensors without external analog ICs. Each op amp can be configured as a transimpedance amplifier or instrumentation front-end, with the 10-bit ADC digitizing the conditioned output. The 10-bit DAC with calibration provides bias voltage to bridge sensors for ratiometric measurements. XLP sleep currents allow battery-powered sensor nodes with multi-year lifetimes. Designers place the MCU on a 14-pin PDIP and connect op-amp outputs directly to ADC channels, eliminating the BOM cost of a separate analog front-end. Use the MPLAB XC8 toolchain with the Microchip sensor library for rapid prototyping.
Recommended
Small Motor Control and Fan Drivers
The PIC16F1765-E/P drives small DC and BLDC motors using its 16-bit PWM with complementary outputs, ZCD for back-EMF sensing on BLDC, and integrated op amps for current-sense amplification. The 32MHz clock yields fine PWM granularity at 20kHz switching frequencies above audible range. The Configurable Logic Cells (CLCs) implement hardware fault-protection paths that gate PWM outputs independent of CPU latency, critical for short-circuit protection. The 100mA high-current I/O directly drives small relays or low-power motor bridges without external drivers. On a 14-pin PDIP board, designers add a discrete MOSFET half-bridge and shunt resistor for closed-loop control of fans or pumps up to a few amps.
Recommended
Consumer Appliance Control Panels
The PIC16F1765-E/P drives user-interface panels in white goods, coffee machines, and small kitchen appliances, using the 10-bit ADC to read capacitive touch or resistive button matrices and the 10-bit DAC to drive audio beeps or analog meters. The CLC peripherals implement debouncing and button-event detection in hardware, offloading CPU cycles. XLP low-power modes support battery-backed RTC and door-open alarms during standby. The 14-pin PDIP package fits legacy through-hole appliance PCBs and simplifies field repair. Operating from 2.3V to 5.5V, the MCU interfaces directly to 3.3V sensors and 5V relays without level shifters.
Recommended
Battery-Powered IoT Edge Nodes
The PIC16F1765-E/P's XLP technology with sub-microamp sleep currents suits battery-powered IoT edge nodes that wake periodically to read sensors and transmit over low-power radios. The integrated op amps condition analog sensor outputs before 10-bit ADC sampling, while the 10-bit DAC provides bias voltages to sensors only during measurement, minimizing average current draw. The 32MHz burst mode completes measurement and radio handshake in <10ms, then returns to deep sleep. The 14-pin PDIP footprint allows prototyping on breadboards before committing to SMD layouts. Designers pair this MCU with a sub-GHz transceiver such as the Microchip MRF89XA and achieve multi-year battery life on 2xAA cells.
Recommended
Industrial Control and Process Set-Point Generation
The PIC16F1765-E/P generates precise analog set-points in industrial process loops using its calibrated 10-bit DAC, while the integrated op amps buffer 4-20mA current-loop outputs and amplify sensor inputs. The -40C to +125C extended temperature range handles harsh factory environments. The 16-bit PWM modulates heater elements or proportional valves, and ZCD synchronizes control to AC mains cycles for TRIAC-driven actuators. The 100mA high-current I/O directly drives panel relays and indicator LEDs. On a 14-pin PDIP carrier board, designers combine this MCU with isolation barriers and RS-485 transceivers for distributed I/O modules. Use MPLAB Code Configurator for rapid peripheral setup.
Recommended
Smart Home and Building Automation Devices
The PIC16F1765-E/P powers smart thermostats, occupancy sensors, and HVAC zone controllers by combining analog sensing, PWM actuator drive, and low-power standby in a single 14-pin PDIP package. The integrated op amps interface with thermistor temperature sensors and photodiode ambient light sensors, while the 16-bit PWM drives proportional damper motors. ZCD synchronizes TRIAC switching to AC mains for quiet dimmer and fan-speed control. XLP sleep modes maintain battery-backed timekeeping for >5 years on a single coin cell. Designers use the 100mA high-current I/O to directly switch small relays and signal LEDs, eliminating driver transistors on the BOM.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F1765-E/P — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1764-I/P | PIC16F1765-I/P | PIC16F1713-I/P | PIC16F1704-E/P | PIC16F1615-E/P |
|---|---|---|---|---|---|---|
| Package | 14-pin PDIP | 14-pin PDIP - same | 14-pin PDIP - same | 14-pin PDIP - same | 14-pin PDIP - same | 14-pin PDIP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 14 KB | 7 KB | 14 KB | 7 KB | 7 KB | 14 KB |
| RAM | 1 KB | 512 B | 1 KB | 512 B | 512 B | 1 KB |
| Max CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Integrated Op Amps | Yes | Yes | Yes | No | No | No |
| 10-bit DAC | Yes | Yes | Yes | 8-bit DAC | 8-bit DAC | Yes |
| Zero Cross Detect (ZCD) | Yes | Yes | Yes | No | No | Yes |
| CLC Count | 3x | 3x | 3x | 0x | 0x | 1x |
| PWM Resolution | 10/16-bit | 10/16-bit | 10/16-bit | 10-bit | 10-bit | 10/16-bit |
| Temperature Range | -40C to +125C (E) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) | -40C to +125C (E) | -40C to +125C (E) |
Key Differentiators
- Most analog-rich 14-pin PIC16 with 3x CLCs (vs PIC16F1713-I/P)
- Larger Flash and RAM than PIC16F1764 family (vs PIC16F1764-I/P)
- Extended temperature range for industrial use (vs PIC16F1765-I/P)
- Higher PWM resolution than PIC16F1704 family (vs PIC16F1704-E/P)
Design Notes
Decouple VDD (pin 1) and VSS (pin 14) with a 100nF ceramic capacitor placed within 5mm of the package pins to suppress switching transients from the internal 32MHz oscillator. For battery-powered designs, place a 10uF bulk capacitor at the supply rail and ensure the MCU enters XLP sleep mode between ADC conversions to keep average current below 100uA. Use the Brown-Out Reset (BOR) feature enabled in configuration bits to protect against code corruption at low VDD.
Reserve a 6-pin ICSP header (VDD, VSS, MCLR/RA3, RB6/ICSPCLK, RB7/ICSPDAT plus a duplicate ground) on the PCB for in-circuit programming and debugging. Keep the ICSP traces short and away from switching power or PWM outputs to prevent coupling noise into programming signals. Follow Microchip AN1078 'Designing for EMI' for layout guidance on decoupling placement, ground plane stitching, and trace impedance control. For high-current I/O (100mA) pins, widen the PCB traces to at least 0.5mm to handle the rated current.
Do not leave the MCLR/RA3 pin floating; either tie it to VDD through a 10kohm pull-up or configure it as a digital input. Unconfigured PPS outputs can cause peripheral signals to appear on unintended pins, so explicitly assign PPS mappings at startup. The 10-bit DAC requires output buffer enable in the DACxCON register; without it the DAC pin remains high-impedance. When using the integrated op amps, configure the input pin selection bits to avoid conflicts with ADC channels on the same pin.
Estimated: at 32MHz CPU speed and 5.5V supply with all peripherals active, the PIC16F1765 draws approximately 8mA, dissipating ~44mW. In the 14-pin PDIP package with theta_JA around 70 C/W, the junction temperature rise above ambient is approximately 3C, well within the -40C to +125C operating range. No external heatsink is required even at maximum ambient; the PDIP package is suitable for convection-cooled designs up to +85C without derating.
Compliance Information
RoHS compliant per Microchip product page; lead-free PDIP package; AEC-Q100 not qualified (industrial grade only).
