PIC16F1764-I/ML - 8-bit MCU, 7KB Flash, 32MHz, 16-QFN | Microchip
MPN: PIC16F1764-I/ML ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.4 | $1.40 |
| 10 | $1.26 | $12.60 |
| 100 | $1.12 | $112.00 |
| 500 | $0.98 | $490.00 |
| 1,000 | $0.87 | $870.00 |
PIC16F1764-I/ML Overview
A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory, data memory, and programmable I/O peripherals. The PIC16F1764 belongs to the PIC16 mid-range family, which targets cost-sensitive embedded applications with intelligent analog integration including 10-bit ADC, 10-bit DAC, operational amplifiers, zero-cross detect, and high-current I/O pins. This category sits between 8-bit baseline PIC10/12/16F and higher-pin-count PIC18/PIC24 devices, balancing peripheral richness with compact packaging.
Key features include Microchip's XLP (eXtreme Low Power) technology with sleep currents typically below 50nA, multiple timer modules, enhanced PWM, configurable logic cells, and on-chip op-amps that eliminate external analog components. The 16-QFN (4x4) package provides a compact footprint for space-constrained designs and exposes a thermal pad for improved power dissipation. Core-independent peripherals (CIPs) allow hardware-based functions without CPU intervention, reducing firmware complexity.
The PIC16F1764's intelligent analog integration - including 10-bit DAC, comparators, and op-amps - enables designers to build signal-conditioning and closed-loop control applications directly on-chip. Two independent closed-loop channels can be configured for motor control, LED dimming with zero-cross detection, or sensor signal conditioning. The XLP technology supports battery-powered applications where sleep-mode current is critical.
Typical applications include LED lighting drivers with dimming, sensor signal conditioning, small motor control, battery-powered IoT devices, white goods and appliance controls, and general-purpose embedded control in industrial or consumer products. The compact 4x4 QFN package is ideal for high-density PCB layouts.
When designing with this device, ensure the exposed pad (EP) is soldered to a sufficiently large copper pour for thermal and electrical grounding - omitting this connection can cause latch-up and thermal failures. Decouple VDD with a 0.1uF ceramic capacitor placed within 5mm of the pin. Use MPLAB X IDE with XC8 compiler for firmware development.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, helping engineers select and source the PIC16F1764-I/ML with confidence.
Drop-in alternatives for PIC16F1764-I/ML — 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 PIC16F1764-I/ML (same form factor and footprint) — differing in ADC, Package, DAC, Core Architecture, Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F1764-E/ML
✅ Drop-In✓ In Stock
$1.05 / Unit
View Datasheet →PIC16F1716-I/ML
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$0.98 / Unit
View Datasheet →PIC16F1615-I/ML
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$0.84 / Unit
View Datasheet →PIC16F1707-I/ML
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$0.72 / Unit
View Datasheet →PIC16F15356-I/ML
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$1.18 / Unit
View Datasheet →PIC16F1764-I/ML Maximum Ratings & Electrical Characteristics
| Core | PIC16 8-bit RISC |
| Program Memory | 7 KB (4K x 14) Flash |
| Data RAM | 512 bytes |
| Data EEPROM | 128 bytes |
| Maximum CPU Speed | 32 MHz |
| Operating Voltage | 1.8 V to 5.5 V |
| Operating Temperature | -40 C to +85 C (Industrial) |
| Package | 16-pin VQFN (4x4) with exposed pad |
| Pin Count | 16 |
| ADC | 10-bit |
| DAC | 10-bit |
| On-chip Op-Amps | Yes |
| Zero-Cross Detect | Yes |
| XLP Low Power | Yes (sleep current <50 nA typical) |
| Mounting Type | Surface Mount |
| MSL Level | MSL3 (per JEDEC J-STD-020) |
| Lead-Free | Yes |
| RoHS Status | Compliant |
PIC16F1764-I/ML Pin Configuration
| Pin 1 | RA5 — GPIO / analog input / DAC output |
| Pin 2 | RA4 — GPIO / analog input |
| Pin 3 | RA3 — GPIO / MCLR (reset) |
| Pin 4 | RA2 — GPIO / analog input |
| Pin 5 | RA1 — GPIO / analog input / DAC reference |
| Pin 6 | RA0 — GPIO / analog input |
| Pin 7 | VSS — Ground |
| Pin 8 | RB7 — GPIO / ICSP programming clock |
| Pin 9 | RB6 — GPIO / ICSP programming data |
| Pin 10 | RB5 — GPIO / analog input |
| Pin 11 | RB4 — GPIO / analog input |
| Pin 12 | RB3 — GPIO / analog input |
| Pin 13 | RB2 — GPIO / analog input |
| Pin 14 | RB1 — GPIO / analog input |
| Pin 15 | RB0 — GPIO / analog input |
| Pin 16 | VDD — Positive supply voltage |
Typical Applications
PIC16F1764-I/ML is suitable for 6 applications: Dimmable LED Lighting Driver, Sensor Signal Conditioning, Small Motor Control (BLDC/Fan), Battery-Powered IoT Edge Node, White Goods and Appliance Control, General-Purpose Embedded Control.
Dimmable LED Lighting Driver
The PIC16F1764-I/ML is purpose-built for dimmable LED lighting. Its integrated 10-bit DAC generates reference levels for closed-loop current control, while the zero-cross detect block synchronizes TRIAC dimming without external optocouplers. The on-chip op-amps condition current-sense signals directly, and high-current I/O pins can sink/source LED strings up to the pin rating. XLP technology keeps standby power below regulatory limits for energy-star compliance. The 16-QFN (4x4) package fits inside bulb-base form factors.
Recommended
Sensor Signal Conditioning
The PIC16F1764-I/ML's on-chip op-amps, 10-bit ADC, and 10-bit DAC enable single-chip sensor signal conditioning for thermistors, photodiodes, and bridge sensors. Configurable logic cells implement hardware-level filtering and threshold detection without CPU load, dramatically reducing firmware complexity and latency. The MCU's low-noise analog chain preserves sensor accuracy, while the 1.8V to 5.5V supply range supports battery-powered sensor nodes. XLP sleep currents below 50nA extend battery life in duty-cycled applications.
Recommended
Small Motor Control (BLDC/Fan)
The PIC16F1764-I/ML drives small brushless DC motors and fans using its enhanced PWM, configurable logic, and zero-cross detect. Two independent closed-loop channels handle speed and current feedback, while the 10-bit ADC samples back-EMF for sensorless commutation. The 32MHz core provides adequate bandwidth for 25kHz PWM at full resolution. The compact 16-QFN package suits space-constrained motor-control PCBs, and XLP features enable sleep modes between motion events for ultra-low standby power.
Recommended
Battery-Powered IoT Edge Node
The PIC16F1764-I/ML's XLP (eXtreme Low Power) technology delivers sub-50nA sleep current, making it ideal for battery-powered IoT edge nodes that spend most of their life in standby. Core-independent peripherals (CIPs) wake the MCU only on meaningful sensor events, preserving battery life across multi-year deployments. The 1.8V minimum supply enables direct Li-coin-cell operation without boost converters. 7KB Flash accommodates over-the-air update bootloaders plus application firmware.
Recommended
White Goods and Appliance Control
The PIC16F1764-I/ML is well-suited for white-goods control boards where intelligent analog integration reduces BOM cost. Integrated op-amps replace external signal-conditioning ICs for temperature, level, and current sensing. The industrial temperature grade handles under-cabinet and garage installations. The MCU's 32MHz performance supports user-interface scanning, motor control, and safety monitoring in washing machines, dishwashers, and refrigerators. AEC-Q100 is not required for appliance-grade designs.
Recommended
General-Purpose Embedded Control
The PIC16F1764-I/ML serves as a flexible general-purpose MCU for industrial control modules, remote keyless entry, toys, and consumer gadgets. Its balance of Flash, RAM, peripherals, and 16-QFN compactness makes it a default choice for mid-complexity 8-bit designs. MPLAB X IDE with the free XC8 compiler provides a mature toolchain, and the PICkit 4 programmer/debugger enables fast prototyping. The device's wide operating voltage range simplifies integration with mixed-voltage system buses.
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Recommended Products Summary
Engineering reference data for PIC16F1764-I/ML — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1764-E/ML | PIC16F1716-I/ML | PIC16F1615-I/ML | PIC16F1707-I/ML | PIC16F15356-I/ML |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 16-VQFN (4x4) | 16-VQFN (4x4) - same | 16-VQFN (4x4) - same | 16-VQFN (4x4) - same | 16-VQFN (4x4) - same | 16-VQFN (4x4) - same |
| Program Memory | 7 KB Flash | 7 KB Flash | 7 KB Flash | 7 KB Flash | 3.5 KB Flash | 14 KB Flash |
| Data RAM | 512 B | 512 B | 512 B | 512 B | 256 B | 1 KB |
| Max CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Temperature | -40C to +85C (I) | -40C to +125C (E) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) |
| 10-bit DAC | Yes | Yes | Yes | No | Yes | Yes |
| XLP Sleep Current | <50 nA typical | <50 nA typical | <50 nA typical | <50 nA typical | <50 nA typical | <50 nA typical |
| Lifecycle Status | Active | Active | Active | Active | Active | Active |
Key Differentiators
- Dual closed-loop intelligent analog channels (vs PIC16F1615-I/ML)
- Integrated 10-bit DAC plus zero-cross detect (vs PIC16F1707-I/ML)
- Larger Flash with newer CIP architecture (vs PIC16F15356-I/ML)
Design Notes
The 16-VQFN (4x4) package has an exposed thermal pad that MUST be soldered to the PCB ground plane for both thermal dissipation and electrical grounding. Use an array of thermal vias (typically 4-9 vias of 0.3mm drill) connecting the EP to inner ground layers. Omitting the EP connection can cause latch-up, increased EMI, and thermal shutdown under moderate loads. Decouple VDD (pin 16) with a 0.1uF X7R ceramic capacitor placed within 5mm of the pin.
Take advantage of the PIC16F1764's XLP (eXtreme Low Power) features for battery applications. Use Sleep mode with peripheral interrupts (ADC, comparators, zero-cross detect) to wake the core only on meaningful events. Configure unused peripherals to their lowest-power state. Typical sleep current is below 50nA when the watchdog timer is disabled. For AC line-powered designs, route zero-cross detect directly to an I/O pin to synchronize TRIAC dimming without external optocouplers.
Configuration word settings are critical: enable the watchdog timer only if your firmware can reliably service it; enable the brown-out reset at a voltage above your minimum operating requirement (e.g., 2.3V); and select the correct oscillator mode for your hardware. MCLR (pin 3) must either be tied to VDD through a 10k resistor for normal operation, or used as a reset input with the proper RC network. Avoid floating digital inputs by enabling internal weak pull-ups on unused I/O pins to minimize current draw.
Keep analog input traces short and routed away from digital switching signals. Use a ground plane for low-impedance return paths. Place analog reference bypass capacitors (0.1uF and 10uF) close to the VREF+ pin if used. For high-impedance sensor inputs, guard rings driven by a quiet voltage can significantly reduce leakage. The on-chip op-amps eliminate many external analog signal-integrity issues but require careful PCB layout near the MCU to preserve their low-noise performance.
Compliance Information
RoHS compliant per Microchip product page. Lead-free finish. AEC-Q100 qualification is not required for this industrial-grade part; for automotive designs, contact Microchip for AEC-Q100 qualified variants. Halogen-free status not explicitly stated in verified data - set to 'unknown'.
