PIC16LF1769-E/P - 8-Bit 32MHz MCU, 14KB Flash 20-PDIP | Microchip
MPN: PIC16LF1769-E/P ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.98 | $0.98 |
| 10 | $0.93 | $9.30 |
| 100 | $0.84 | $84.00 |
| 500 | $0.76 | $380.00 |
| 1,000 | $0.69 | $690.00 |
PIC16LF1769-E/P Overview
An 8-bit microcontroller (MCU) is a self-contained computing engine built around a von-Neumann or Harvard 8-bit CPU with on-chip flash, RAM, and digital/analog peripherals. PIC microcontrollers use a modified Harvard RISC architecture, separating program and data paths to allow single-cycle instruction fetches. Within that taxonomy, the PIC16LF1769 sits at: PIC16 family -> PIC16F176X sub-family -> XLP (eXtreme Low Power) series -> low-voltage LF variant, bridging small 8-bit controllers and full mixed-signal 16-bit dsPIC devices.
Key features include eXtreme Low-Power (XLP) technology with nanoWatt XLP sleep currents below 100 nA typical, an active-high Master Clear (MCLR) reset, in-circuit serial programming (ICSP) via two pins, and core-independent peripherals (CIPs) such as the Configurable Logic Cell (CLC) and Numerically Controlled Oscillator (NCO). The 32 MHz internal oscillator eliminates the need for an external crystal in most designs, reducing BOM cost and board area.
The device combines intelligent analog integration with digital peripherals, including programmable op amps, comparators with internal reference, 10-bit ADC with computation and averaging, and complementary waveform generators. This makes it suitable for functions such as sensor signal conditioning, closed-loop control and switch-mode power supply helper functions, all in a single 8-bit core.
Typical applications include IoT sensor nodes, home automation controls, low-cost motor drivers, LED lighting controllers, and consumer appliances. The LF voltage range makes it compatible with single-cell Li-ion or 2x AA battery chemistries. Design tip: ensure MCLR has a proper pull-up and decoupling capacitors are placed within 1 cm of the VDD pin for oscillator stability.
Drop-in alternatives for PIC16LF1769-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 PIC16LF1769-E/P (same form factor and footprint) — differing in Package, Core Architecture, I/O Pins, ADC, Operating Voltage Range.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F1769-E/P
✅ Drop-In✓ In Stock
$1.62 / Unit
View Datasheet →PIC16F1769-I/P
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F1768-E/P
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$1.4 / Unit
View Datasheet →PIC16F1765-E/P
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$1.25 / Unit
View Datasheet →PIC16LF1768-E/P
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$1.38 / Unit
View Datasheet →PIC16F1779-E/P
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.28 / Unit
View Datasheet →PIC16LF1769-E/P Maximum Ratings & Electrical Characteristics
| Product Family | PIC16 (XLP 16F) - PIC16F176X sub-family |
| Core | 8-bit PIC RISC |
| Program Memory | 14 KB (8K x 14) flash |
| RAM | 1 KB |
| Maximum CPU Frequency | 32 MHz |
| Operating Voltage Range | 1.8 V to 3.6 V (LF variant) |
| I/O Pins | 17 (on 20-pin PDIP) |
| ADC | 10-bit, up to 17 channels |
| PWM | 10-bit and 5-bit PWM modules |
| Comparators | On-chip with internal reference |
| Op Amps | Programmable op amps on-chip |
| Zero Cross Detector | Yes |
| Package | 20-pin PDIP (0.300 inch, 7.62 mm wide) |
| Operating Temperature Range | -40C to +125C (E suffix = industrial) |
| Programming | In-Circuit Serial Programming (ICSP) via 2 pins |
| XLP Sleep Current | Typical < 100 nA (nanoWatt XLP) |
| RoHS Status | Compliant |
PIC16LF1769-E/P Pin Configuration
| Pin 1 | MCLR/VPP/RE3 — Master Clear (reset) input / programming voltage / digital I/O RE3 |
| Pin 2 | RA0 — Bidirectional I/O / analog input AN0 / ICSPCLK |
| Pin 3 | RA1 — Bidirectional I/O / analog input AN1 / ICSPDAT |
| Pin 4 | RA2 — Bidirectional I/O / analog input AN2 |
| Pin 5 | RA3 — Bidirectional I/O / analog input AN3 / VREF+ |
| Pin 6 | RA4 — Bidirectional I/O / analog input AN4 |
| Pin 7 | RA5 — Bidirectional I/O / analog input AN5 |
| Pin 8 | VSS — Ground reference |
| Pin 9 | RA7 — Bidirectional I/O / oscillator output OSC2 |
| Pin 10 | RA6 — Bidirectional I/O / oscillator input OSC1 |
| Pin 11 | RC0 — Bidirectional I/O |
| Pin 12 | RC1 — Bidirectional I/O |
| Pin 13 | RC2 — Bidirectional I/O |
| Pin 14 | RC3 — Bidirectional I/O |
| Pin 15 | RC4 — Bidirectional I/O |
| Pin 16 | RC5 — Bidirectional I/O |
| Pin 17 | RC6 — Bidirectional I/O |
| Pin 18 | RC7 — Bidirectional I/O |
| Pin 19 | VSS — Ground reference |
| Pin 20 | VDD — Positive supply voltage (1.8 V to 3.6 V) |
Typical Applications
PIC16LF1769-E/P is suitable for 6 applications: Battery-Powered IoT Sensor Nodes, Home Automation and HVAC Control, LED Lighting Controllers, Consumer Appliance Motor Control, Industrial Sensor Signal Conditioning, Remote Control and User Interface Panels.
Battery-Powered IoT Sensor Nodes
PIC16LF1769-E/P fits battery-only IoT sensor nodes because its nanoWatt XLP sleep current below 100 nA allows months of idle operation on a single CR2032 coin cell, while its 1.8 V to 3.6 V LF supply range directly accepts the cell's voltage curve. The 17-channel 10-bit ADC combined with on-chip programmable op amps makes the part a complete analog front end for temperature, humidity, or gas sensor signal chains, eliminating external amplifiers and saving both board area and BOM cost. The 14 KB flash and 1 KB RAM comfortably support BLE/Zigbee host control, periodic sensor reads, averaging, and alarm-event firmware with cycles to spare. Power-aware designers gate the ADC, op amps, and timers in firmware to enter deep sleep between reads, recovering via WDT or an interrupt-on-change on the sensor ready line. Compared with discrete ADC-plus-MCU designs, integrating these peripherals on one die cuts quiescent current from milliamp-range to nanoamp-range.
Recommended
Home Automation and HVAC Control
In home automation hubs and HVAC controllers, PIC16LF1769-E/P provides deterministic 8-bit control for relays, TRIACs, and 24 VAC zero-cross switching. The zero-cross detect peripheral synchronizes AC switching at the load, eliminating inrush transients and RFI that degrade appliance EMI performance, while the 10-bit PWM generates precise duty-cycle control for fan motors and dimmers. With 17 GPIO and 17 ADC channels, the device reads multiple thermistors, occupancy sensors, and contact closures without external multiplexing. The LF range (1.8 V to 3.6 V) supports 3.3 V system rails common in residential gateways, and the -40C to +125C industrial temperature rating covers attic and outdoor sensor enclosures. Compared with a bare microcontroller plus external op-amp and zero-cross IC approach, integrating these functions reduces PCB size and assembly cost.
Recommended
LED Lighting Controllers
LED lighting drivers benefit from PIC16LF1769-E/P's Configurable Logic Cells (CLCs) and Numerically Controlled Oscillator (NCO), which synthesize high-resolution PWM frequencies for flicker-free dimming across the entire 0-100% duty cycle range. The on-chip comparators implement over-temperature protection by sensing NTC thermistors on the LED MCPCB, derating output current without firmware intervention. The 14 KB flash accommodates multiple lighting profiles, color-mixing tables, and DMX/DALI protocol stacks. Operating from 1.8 V to 3.6 V, the LF supply range supports direct tie to 3.3 V LDO rails commonly used in commercial luminaire designs, while the -40C to +125C rating covers outdoor architectural fixtures. Integrated op amps condition analog dimming inputs (0-10 V or 1-10 V) eliminating external signal-conditioning stages.
Recommended
Consumer Appliance Motor Control
Small consumer appliances such as blenders, fan controllers, and vacuum-cleaner BLDC drivers use PIC16LF1769-E/P because the on-chip op amps and comparators close the current loop directly, eliminating the sense-amp stage typically placed between the shunt resistor and the MCU. The 10-bit PWM blocks and complementary waveform generator produce center-aligned switching patterns essential for quiet BLDC operation, while the zero-cross detect provides synchronous AC rectification timing for universal-motor control. With 14 KB flash, designers can implement sensorless FOC or back-EMF trapezoidal commutation, plus user-interface state machines for buttons and rotary encoders. The 1.8 V to 3.6 V LF range supports battery-pack and universal-input supplies alike, while the -40C to +125C temperature range handles under-hood and motor-bearing heat.
Recommended
Industrial Sensor Signal Conditioning
In 4-20 mA current-loop receivers, load-cell amplifiers, and strain-gauge front ends, PIC16LF1769-E/P's on-chip programmable op amps serve as low-noise instrumentation-style gain stages, reducing external component count and increasing noise immunity. The 10-bit ADC with computation engine performs digital filtering, averaging, and zero-calibration, while the comparator with internal reference triggers over-range alarms without firmware intervention. Supply at 3.3 V from industrial 24 V bus via a small LDO simplifies thermal management. The 14 KB flash supports multiple calibration profiles for different sensor types via firmware switch, while the -40C to +125C industrial temperature rating covers process-control cabinets and outdoor instrumentation. Integration of the op amp, ADC, voltage reference, and MCU onto one silicon die achieves noise performance previously requiring dedicated analog ASICs.
Recommended
Remote Control and User Interface Panels
PIC16LF1769-E/P fits battery-powered remote controls and wall-mount UI panels because its sub-100 nA sleep current preserves coin-cell life across years of standby. The 17 GPIO drive LED indicators, scan key matrices, and drive piezo buzzers without external drivers, while the 10-bit ADC reads potentiometer-based dimmers or joystick positions with 1 mV resolution. The 14 KB flash accommodates full IR or RF protocol stacks (RC5, NEC, BLE HID) plus user-customizable button-mapping tables. Operating from 1.8 V to 3.6 V, the LF range aligns perfectly with two AA alkaline cells (3 V nominal), while the -40C to +125C temperature rating covers outdoor smart-lock keypads and garage-door keypads. Compared with discrete solutions, integrated CIPs reduce PCB size to fit behind slim bezel designs.
Recommended
Recommended Products Summary
Engineering reference data for PIC16LF1769-E/P — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1769-E/P | PIC16F1769-I/P | PIC16F1768-E/P | PIC16LF1768-E/P | PIC16F1779-E/P |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 20-PDIP | 20-PDIP - same | 20-PDIP - same | 20-PDIP - same | 20-PDIP - same | 20-PDIP - same |
| Flash Memory | 14 KB | 14 KB | 14 KB | 7 KB (-50%) | 7 KB (-50%) | 28 KB (+100%) |
| RAM | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB | 2 KB (+100%) |
| CPU Frequency | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Supply Voltage | 1.8 V to 3.6 V (LF) | 1.8 V to 5.5 V (F) | 1.8 V to 5.5 V (F) | 1.8 V to 5.5 V (F) | 1.8 V to 3.6 V (LF) | 1.8 V to 5.5 V (F) |
| Temperature Range | -40C to +125C (E) | -40C to +125C (E) | -40C to +85C (I) | -40C to +125C (E) | -40C to +125C (E) | -40C to +125C (E) |
| Sleep Current (XLP) | Typical < 100 nA | Typical < 100 nA | Typical < 100 nA | Typical < 100 nA | Typical < 100 nA | Typical < 100 nA |
| RoHS Status | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
Key Differentiators
- Lowest voltage 20-PDIP option for battery-rail designs (vs PIC16F1769-I/P)
- Wider temperature range than -I industrial variant (vs PIC16F1769-I/P)
- Doubles flash vs the 1768 part in same 20-PDIP (vs PIC16LF1768-E/P)
- NanoWatt XLP sleep currents below 100 nA (vs PIC16F1779-E/P)
Design Notes
Place a 100 nF decoupling capacitor within 1 cm of the VDD pin (pin 20) and a 10 uF bulk capacitor near the device's VSS pin (pin 19). For battery-powered designs, use the nanoWatt XLP sleep mode (SLEEP instruction with Watchdog Timer disabled) to drop current consumption to under 100 nA typical. Estimated: at 2.0 V VDD with the ADC, op amps, and comparators disabled, sleep current falls below 60 nA per the datasheet typical specification. Decoupling VDD effectively prevents oscillator miscounts that would otherwise trigger spurious wakeups and double the average current draw.
The PIC16LF1769-E/P's 20-PDIP package is rated -40C to +125C operating and provides adequate thermal margin for the LF supply range at 32 MHz internal oscillator. Estimated: at VDD=3.3V and 32 MHz active, the device dissipates approximately 8 mA active current (about 26 mW). Self-heating is negligible due to the LF voltage, but the 20-PDIP plastic body, with theta_JA around 70 C/W, can reach 100C ambient at 26 mW plus 25 mW peripheral contribution. Always place decoupling capacitors and the optional external crystal within 5 mm of their pins to keep the ground return path short.
MCLR (pin 1) requires a 10 kohm pull-up to VDD for normal operation and a 100 nF cap to ground if ICSP is used. Programming the device via ICSP uses pin 1 (MCLR/VPP), pin 2 (RA0/ICSPCLK), and pin 3 (RA1/ICSPDAT); bring these signals to a programming header with ESD protection if field updates are needed. Keeping the ICSP trace lengths under 50 mm minimizes signal integrity issues during programming. The 32 MHz internal oscillator eliminates the need for external crystals in most designs, but if precision timing is required, the OSC1/OSC2 pins (RA7/RA6) accept a 4-32 MHz crystal with the recommended 22 pF load capacitors.
Do not apply voltages above 3.6 V on the LF variant; the PIC16LF1769 is permanently damaged above 4.0 V, while the wider-voltage PIC16F1769 (1.8 V to 5.5 V) is the correct choice for 5 V rails. To migrate code from PIC16F1768 (7 KB) to PIC16LF1769 (14 KB), verify that the linker script accounts for the larger flash and that interrupt vector addresses have not changed. To avoid flash lock-out, ensure CP (code-protect) configuration bits are verified before MCLR is asserted during programming. Watch out for pin-function remapping when using the alternate peripheral functions such as op-amp outputs - the datasheet APPSEL and OPA1CON registers must be configured correctly.
Compliance Information
RoHS and lead-free status per Microchip product page. The -E suffix indicates industrial temperature -40C to +125C but is NOT AEC-Q100 automotive qualified; use PIC16F1769-E/P or Q-suffix variants if automotive qualification is required.
