PIC16F1764-I/P - 8-Bit 32MHz 7KB Flash MCU 14-PDIP | Microchip
MPN: PIC16F1764-I/P ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.49 | $1.49 |
| 10 | $1.34 | $13.40 |
| 100 | $1.16 | $116.00 |
| 500 | $1.02 | $510.00 |
| 1,000 | $0.91 | $910.00 |
| 3,000 | $0.82 | $2,460.00 |
PIC16F1764-I/P Overview
A microcontroller (MCU) is a single-chip computer that combines a CPU, non-volatile program memory, working RAM, and a range of digital and analog peripherals behind a small set of I/O pins. PIC microcontrollers sit in the 8-bit MCU hierarchy alongside AVR and 8051 families, distinguished by Microchip's RISC-based PIC® architecture, MPLAB® X IDE toolchain support, and the XLP™ (eXtreme Low Power) technology family that emphasises deep-sleep currents measured in nanoamps.
Key specifications of the PIC16F1764-I/P include 14 I/O pins, a 32 MHz internal oscillator (8 MHz with 4x PLL), 1.8V to 5.5V operating voltage, integrated op-amps with programmable gain, dual 10-bit DAC outputs, a 10-bit ADC with up to 11 channels, and ultra-low-power sleep current typical of the XLP family. Internal core-independent peripherals (CIPs) like CLC, complementary waveform generator (CWG) and numerically controlled oscillator (NCO) reduce CPU overhead by performing functions in hardware.
Typical applications include LED lighting and color-mixing drivers, closed-loop fan/speed control, battery chargers with constant-current/constant-voltage loops, sensor signal conditioning, and small appliance control panels where integrated op-amps and DACs eliminate several external components. The 14-PDIP package suits through-hole prototyping, hobbyist platforms and industrial modules that require hand-solderable or socketed parts.
When designing with this part, ensure the configuration words (CONFIG1/CONFIG2) are explicitly set in source code using #pragma config directives so that FOSC, WDTE, LVP and brown-out reset behaviour are deterministic. Decouple VDD with a 100 nF ceramic capacitor close to the pin, and place the ICSP™ programming clock (ICSPCLK) and data (ICSPDAT) lines on a header for in-circuit programming and debug using PICkit™ 3/4 or MPLAB® Snap.
This page synthesizes distributor pricing, drop-in alternatives in the same 14-PDIP footprint, and practical design notes drawn from the official Microchip PIC16(L)F1764/5/8/9 datasheet - information not aggregated together on any single distributor page.
Drop-in alternatives for PIC16F1764-I/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 PIC16F1764-I/P (same form factor and footprint) — differing in ADC, Configurable Logic Cells (CLC), DAC, Operating Temperature Range, Package.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F1765-I/P
✅ Drop-In✓ In Stock
$1.34 / Unit
View Datasheet →PIC16F1614-I/P
✅ Drop-In✓ In Stock
$0.78 / Unit
View Datasheet →PIC16F15313-I/P
✅ Drop-In✓ In Stock
$0.51 / Unit
View Datasheet →PIC16F1713-I/P
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F1764-I/P Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC16 enhanced mid-range 8-bit |
| Program Memory (Flash) | 7 KB (4K x 14 words) |
| Data RAM | 512 bytes |
| Data EEPROM | 256 bytes |
| Maximum CPU Speed | 32 MHz |
| Operating Voltage (VDD) | 1.8 V to 5.5 V |
| I/O Pins | 14 |
| Package | 14-pin PDIP (P) |
| ADC | 10-bit, up to 11 channels |
| DAC | 2 x 10-bit |
| Operational Amplifiers | 2 internal op-amps |
| Zero-Cross Detect | Yes |
| Configurable Logic Cells (CLC) | Yes |
| Complementary Waveform Generator (CWG) | Yes |
| Numerically Controlled Oscillator (NCO) | Yes |
| ICSP/ICD Debug | Yes (ICSP via ICSPCLK/ICSPDAT) |
| XLP Low-Power Technology | Yes (nanoWatt XLP) |
| Operating Temperature Range | -40 C to +85 C (industrial) |
| RoHS Status | Compliant |
PIC16F1764-I/P Pin Configuration
| Pin 1 | RA3/AN3/VREF+/T1G — Bidirectional I/O; analog input; positive voltage reference; Timer1 gate |
| Pin 2 | RA4/AN4/T1G — Bidirectional I/O; analog input; Timer1 gate |
| Pin 3 | RA5/MCLR/VPP — Bidirectional I/O; Master Clear (reset); ICSP programming voltage |
| Pin 4 | RA0/AN0 — Bidirectional I/O; analog input channel 0 |
| Pin 5 | RA1/AN1 — Bidirectional I/O; analog input channel 1 |
| Pin 6 | RA2/AN2 — Bidirectional I/O; analog input channel 2 |
| Pin 7 | VDD — Positive supply voltage (1.8 V to 5.5 V) |
| Pin 8 | VSS — Ground reference (0 V) |
| Pin 9 | RC0 — Bidirectional digital I/O |
| Pin 10 | RC1 — Bidirectional digital I/O |
| Pin 11 | RC2 — Bidirectional digital I/O |
| Pin 12 | RC3 — Bidirectional digital I/O |
| Pin 13 | RC4 — Bidirectional digital I/O |
| Pin 14 | RC5 — Bidirectional digital I/O |
Typical Applications
PIC16F1764-I/P is suitable for 6 applications: LED Lighting and Color-Mixing Drivers, Closed-Loop Fan Speed Control, Battery Chargers (CC/CV Loops), Sensor Signal Conditioning and Transmitters, Small Appliance Control Panels, Hobbyist and Educational Embedded Projects.
LED Lighting and Color-Mixing Drivers
The PIC16F1764-I/P fits LED color-mixing drivers because its two internal 10-bit DACs drive three PWM channels per LED string via the Complementary Waveform Generator (CWG), while the two integrated op-amps sense current directly across shunt resistors. This eliminates external driver op-amps and keeps the BOM small. The 32 MHz core and Configurable Logic Cells (CLC) implement hardware-based color cross-fades, leaving the CPU free for housekeeping. Nanoamp XLP sleep currents extend battery life in portable fixtures. Engineers benefit from closed-loop constant-current regulation without needing a separate analog controller IC.
Recommended
Closed-Loop Fan Speed Control
In fan and blower speed controllers the PIC16F1764-I/P's two on-chip op-amps condition tachometer feedback, while the NCO and CWG combine to generate variable-frequency drive without CPU intervention. The zero-cross detect module enables TRIAC-friendly AC zero-cross switching for AC fan applications. 7 KB Flash and 512 B RAM are ample for PID state machines, and the 14-pin PDIP simplifies hand-soldered or socketed field replacements. XLP sleep modes cut standby current below typical fan off-state leakage. Compared with discrete 555-timer designs the PIC solution adds serial telemetry and fault logging.
Recommended
Battery Chargers (CC/CV Loops)
The PIC16F1764-I/P is well matched to constant-current / constant-voltage (CC/CV) battery chargers because its integrated op-amps sense charge current directly across a shunt, while the dual 10-bit DACs set programmable current and voltage thresholds. The CLC implements hardware cutoff when voltage or current exceeds safe limits, bypassing slow software comparisons. NanoWatt XLP technology reduces standby drain on the battery when the charger is idle, and 256 B EEPROM stores calibration data and charge profiles. This integration typically replaces an entire CC/CV controller plus a discrete op-amp circuit.
Recommended
Sensor Signal Conditioning and Transmitters
Industrial 4-20 mA loop-powered transmitters benefit from the PIC16F1764-I/P's two internal op-amps which amplify bridge or thermocouple signals before the 10-bit ADC, eliminating external instrumentation stages. CLC and CWG peripherals handle HART-like modulation or PWM outputs for digital transmission. Operating voltage down to 1.8 V lets the MCU run directly from low-voltage loops. EEPROM stores calibration coefficients that persist across power cycles, and XLP sleep keeps the quiescent current well below 3.5 mA loop budgets. The 14-pin PDIP through-hole package suits rugged field-mount assemblies.
Recommended
Small Appliance Control Panels
The PIC16F1764-I/P powers microwave, coffee maker, and washing-machine control panels because it combines capacitive-touch (mTouch) sensing via the CLC, PWM-driven buzzer control, and LCD segment driving on a single die. 14 I/O pins handle key matrices, relay drivers and indicator LEDs without external I/O expanders. XLP technology lets the appliance meet standby regulations below 0.5 W. The 14-pin PDIP is socketable for serviceability in field-replaceable units. Compared with pure hardware timer designs, the MCU enables menu customisation and fault diagnostics without added cost.
Recommended
Hobbyist and Educational Embedded Projects
The PIC16F1764-I/P is a popular choice for hobbyist and educational designs because the 14-pin PDIP is breadboard-friendly, fits standard 0.1 inch headers, and supports in-circuit serial programming (ICSP) through PICkit 3, PICkit 4 or MPLAB Snap debuggers. 7 KB Flash accommodates real-world projects like digital clocks, motor controllers and learning RTOS demos. MPLAB X IDE and the free XC8 compiler toolchain lower the entry barrier. Compared with surface-mount QFN variants, the PDIP allows rework and hand-soldering, accelerating prototyping cycles for students and makers.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F1764-I/P — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1765-I/P | PIC16F1614-I/P | PIC16F15313-I/P | PIC16F1713-I/P |
|---|---|---|---|---|---|
| Package | 14-pin PDIP | 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 |
| Core | PIC16 8-bit, 32 MHz | PIC16 8-bit, 32 MHz | PIC16 8-bit, 32 MHz | PIC16 8-bit, 32 MHz | PIC16 8-bit, 32 MHz |
| Flash Program Memory | 7 KB | 7 KB | 7 KB | 3.5 KB (-50%) | 7 KB |
| Internal Op-Amps | 2 | 2 | 1 (-50%) | 0 (-100%) | 0 (-100%) |
| 10-bit DACs | 2 | 2 | 1 (-50%) | 0 (-100%) | 0 (-100%) |
| CLC | Yes | Yes (more instances) | Yes | Yes | Yes |
| XLP Low-Power | Yes | Yes | Yes | Yes | Yes |
| Operating Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
Key Differentiators
- Two internal op-amps eliminate external analog front-end (vs PIC16F1713-I/P)
- Dual 10-bit DACs on-chip (vs PIC16F1614-I/P)
- Larger 7 KB Flash matches or exceeds family variants (vs PIC16F15313-I/P)
Design Notes
Place a 100 nF ceramic decoupling capacitor as close as possible between VDD (pin 7) and VSS (pin 8), with the ground lead length kept under 2 mm. For designs above 25 mA peak load, add a bulk 1-10 uF tantalum or aluminum-polymer capacitor adjacent to the decoupling network. Use Microchip's recommended VDD rise-time window (0.05 V/ms to 1.0 V/ms) to avoid spurious Power-on Reset events; configure BOR via CONFIG1 register so brown-out thresholds match the lowest expected rail voltage.
Always set the configuration words explicitly in source code with #pragma config directives - never rely on factory defaults. The most-overlooked bits are WDTE (enable watchdog), LVP (low-voltage programming) and FOSC (oscillator selection); LVP left enabled can prevent high-voltage ICSP from working, while an unintended HS oscillator mode blocks a 32 MHz internal clock. Also disable analog functions on pins that will be used as digital I/O via the ANSELA/ANSELC registers to prevent floating-input current draw.
Keep traces for ICSPCLK and ICSPDAT (typically on RA0/RA1) short and isolated from high-current switching signals so debug/programming sessions remain reliable. Reserve a 6-pin 0.1 inch header footprint with VDD, VSS, MCLR, ICSPCLK, ICSPDAT and an unused I/O as the ICSP connector. For the PDIP package, fan out to a single-layer PCB with a ground pour, leaving copper under the package to act as a thermal radiator if the part drives high-current I/O continuously.
Compliance Information
RoHS and lead-free per Microchip product page. Industrial temperature grade -40 C to +85 C. Not AEC-Q100 qualified - choose PIC16F1764-E/P (extended) or AEC-Q100 variants for automotive.
