PIC16F1509-E/P - 8-Bit 20MHz 14KB FLASH 20-PDIP MCU | Microchip
MPN: PIC16F1509-E/P ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.85 | $1.85 |
| 10 | $1.67 | $16.70 |
| 100 | $1.4 | $140.00 |
| 500 | $1.18 | $590.00 |
| 1,000 | $0.98 | $980.00 |
PIC16F1509-E/P Overview
A microcontroller (MCU) is a single-chip computer containing a CPU, program memory, data RAM, peripheral set, and I/O ports in a single integrated package. The PIC16F1509 belongs to the Microchip mid-range 8-bit architecture, which sits in a hierarchy of microcontroller families ranging from 8-bit baseline PIC10/PIC12 devices, through mid-range PIC16, to 16-bit PIC24 and dsPIC, and 32-bit PIC32 and ARM Cortex-M SAM devices. The mid-range 8-bit MCU remains widely deployed in consumer appliances, industrial sensors, and battery-powered IoT edge nodes where low cost, deterministic interrupt response, and low standby current are the dominant design priorities.
Key features of the PIC16F1509-E/P include 14KB Flash, 512 bytes RAM, 128 bytes EEPROM, 18 digital I/O pins, a 10-bit ADC with up to 12 channels, a Numerically Controlled Oscillator (NCO) for fine-frequency synthesis, Complementary Output Generator (COG) modules for power-converter timing, and peripherals such as Enhanced Universal Synchronous/Asynchronous Receiver/Transmitter (EUSART), SPI, and I2C. The XLP designation indicates ultra-low-power operation with deep-sleep currents suitable for battery- or energy-harvesting systems.
The device operates across 2.3V to 5.5V supply voltage, supports internal oscillator calibration, and includes configurable logic cells (CLC) for hardware-level state-machine implementation without CPU overhead. The 20-pin PDIP package simplifies breadboarding, prototype evaluation, and through-hole assembly in low-volume production.
Typical applications include LED lighting controllers and color-mixing fixtures, small home appliances and white goods, consumer electronics remote controls, sensor-conditioning front ends, IoT end-node controllers, and industrial control logic where the CLC and NCO peripherals enable custom signal generation directly in hardware.
When designing with the PIC16F1509-E/P, allocate sufficient decoupling (typically 100nF plus 10uF bulk) near VDD, ensure MCLR is properly tied through a pull-up to provide clean device resets, and use the Microchip MPLAB X IDE with XC8 compiler for firmware development. Programming and debugging are supported via ICSP using tools such as PICkit 3, PICkit 4, MPLAB ICD 3, MPLAB ICD 4, or the MPLAB Snap programmer.
This page consolidates distributor pricing, parametric cross-references, and engineering design notes that extend beyond the manufacturer datasheet, helping procurement and design teams accelerate component selection and PCB bring-up.
Drop-in alternatives for PIC16F1509-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 PIC16F1509-E/P (same form factor and footprint) — differing in ADC, MSL Level, Package, Mounting Type, Timers.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F1508-I/P
✅ Drop-In✓ In Stock
$1.04 / Unit
View Datasheet →PIC16F1509-I/P
✅ Drop-In✓ In Stock
$1.43 / Unit
View Datasheet →PIC16F1459-I/SS
✅ Drop-In✓ In Stock
$1.55 / Unit
View Datasheet →PIC16F1458-I/P
✅ Drop-In✓ In Stock
$1.55 / Unit
View Datasheet →PIC16F1509-E/P Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC16 enhanced mid-range 8-bit RISC |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| Data RAM | 512 bytes |
| Data EEPROM | 128 bytes |
| Maximum CPU Speed | 20 MHz |
| Instruction Cycle | 200 ns |
| Operating Voltage (VDD) | 2.3 V to 5.5 V |
| Digital I/O Pins | 18 |
| ADC | 10-bit, up to 12 channels |
| Timers | Multiple 8/16-bit timers |
| Communication Peripherals | EUSART, I2C, SPI |
| Special Peripherals | NCO, COG, CLC, PWM, ECCP |
| Operating Temperature Range | -40 C to +125 C (E grade) |
| Package Type | 20-pin PDIP (P) |
| Mounting Type | Through-Hole |
| MSL Level | 1 (unlimited floor life) |
| Lead-Free / RoHS | Lead-free, RoHS compliant (per Microchip product page) |
PIC16F1509-E/P Pin Configuration
| Pin 1 | VDD — Positive supply voltage (2.3V to 5.5V) |
| Pin 2 | RA5 — Bidirectional I/O pin, analog input |
| Pin 3 | RA4 — Bidirectional I/O pin, analog input |
| Pin 4 | RA3/MCLR/VPP — I/O / Master Clear reset (active-low) / Programming voltage |
| Pin 5 | RC5 — Bidirectional I/O pin, analog input |
| Pin 6 | RC4 — Bidirectional I/O pin, analog input |
| Pin 7 | RC3 — Bidirectional I/O pin, analog input |
| Pin 8 | RC6 — Bidirectional I/O pin, EUSART TX |
| Pin 9 | RC7 — Bidirectional I/O pin, EUSART RX |
| Pin 10 | RB7/ICSPDAT — I/O / ICSP data line |
| Pin 11 | RB6/ICSPCLK — I/O / ICSP clock line |
| Pin 12 | RB5 — Bidirectional I/O pin, analog input, PWM |
| Pin 13 | RB4 — Bidirectional I/O pin, analog input |
| Pin 14 | RC2 — Bidirectional I/O pin, analog input |
| Pin 15 | RC1 — Bidirectional I/O pin, analog input |
| Pin 16 | RC0 — Bidirectional I/O pin, analog input |
| Pin 17 | RA2 — Bidirectional I/O pin, analog input, DAC output |
| Pin 18 | RA1 — Bidirectional I/O pin, analog input, DAC reference |
| Pin 19 | RA0 — Bidirectional I/O pin, analog input |
| Pin 20 | VSS — Ground reference |
Typical Applications
PIC16F1509-E/P is suitable for 6 applications: LED Lighting Controllers and Color-Mixing Fixtures, Battery-Powered IoT Sensor Edge Nodes, Small Home Appliances and White Goods, Consumer Electronics Remote Controls and HIDs, Industrial Control Logic and Sensor Conditioning, Automotive Aftermarket Accessories.
LED Lighting Controllers and Color-Mixing Fixtures
The PIC16F1509-E/P is well suited to drive multi-channel LED lighting fixtures and architectural color-mixing luminaires, where its COG (Complementary Output Generator) module can synthesize the dead-time control required for half-bridge and full-bridge LED driver topologies without CPU intervention. The 10-bit ADC with up to 12 channels can digitize thermistor inputs for thermal foldback and color sensors for closed-loop color rendering, while the NCO (Numerically Controlled Oscillator) generates precise PWM dimming frequencies down to sub-Hz resolution for high-bit-depth HDR lighting. The device's 20 MHz CPU and 200 ns instruction cycle ensure deterministic response to DMX-512 or DALI commands in real-time lighting control systems, where latency budgets are typically under 1 ms.
Recommended
Battery-Powered IoT Sensor Edge Nodes
The PIC16F1509-E/P is part of Microchip's XLP (eXtreme Low-Power) family and consumes sub-1 uA in deep-sleep mode, making it ideal for battery-powered wireless sensor nodes that spend most of their life in sleep and wake only briefly to take a sensor reading and transmit. The 14 KB Flash comfortably fits protocol stacks such as LoRaWAN device drivers or proprietary sub-GHz MAC layers, while the 10-bit ADC samples battery voltage and sensor inputs with no external ADC required. The internal 32 kHz low-power oscillator (LFINTOSC) preserves timing accuracy while running the device from a single CR2032 coin cell for multi-year battery life, which is essential for smart-home, asset-tracking, and agricultural monitoring deployments.
Recommended
Small Home Appliances and White Goods
The PIC16F1509-E/P is widely deployed in small home appliances such as coffee makers, blenders, rice cookers, and washing-machine control boards where cost-sensitive 8-bit control is sufficient and the 20-PDIP through-hole package simplifies assembly on wave-soldered production lines. The PWM and ECCP peripherals drive TRIAC-controlled AC loads, brushed DC motors, and solenoid valves with hardware-level fault timing protection. The Configurable Logic Cell (CLC) module can implement safety interlatches such as door-open detection and over-temperature cutoff in pure hardware, freeing the CPU from polling and ensuring compliance with IEC 60335 functional-safety expectations in white-goods design.
Recommended
Consumer Electronics Remote Controls and HIDs
The PIC16F1509-E/P supports IR remote control and consumer human-interface devices (HIDs) such as smart thermostats, programmable keypads, and appliance control panels. The EUSART and PWM peripherals generate accurate IR carrier frequencies for NEC, RC5, and SIRC protocols without CPU load, while the 10-bit ADC reads potentiometers and resistive touch pads directly. The XLP family's nanoWatt sleep modes preserve coin-cell battery life in remote controls used for years between replacements, and the CLC module implements debouncing and key-scan logic in hardware for instant response on key press without firmware polling jitter.
Recommended
Industrial Control Logic and Sensor Conditioning
The PIC16F1509-E/P integrates analog signal conditioning and digital logic for industrial PLC-style I/O modules, where its 10-bit ADC, EUSART, and SPI peripherals interface directly with 4-20 mA loop transmitters, RTDs, and 0-10 V analog sensors. The NCO peripheral can synthesize pulse trains for stepper-motor acceleration ramps and quadrature-encoder emulation, while the COG module generates phase-shifted gate-drive signals for synchronous-rectifier and interleaved-PFC power stages. The extended -40C to +125C temperature grade supports deployment in factory-floor enclosures and outdoor industrial cabinets where temperature swings exceed commercial-grade ranges.
Recommended
Automotive Aftermarket Accessories
Although the PIC16F1509-E/P itself is not AEC-Q100 qualified, its robust peripheral set and 20-PDIP prototyping convenience make it a popular choice for automotive aftermarket accessories such as alarm systems, GPS tracker modules, interior LED controllers, and OBD-II diagnostic tools. Engineers can develop and validate firmware on the PIC16F1509-E/P development board and then migrate to the AEC-Q100-qualified PIC16F1509-E/P-Q or PIC16F1509T-E/PT SMD variant for production, reusing the same source code and peripheral drivers. The EUSART and LIN-compatible UART handle OBD-II K-Line and L-Line communication with third-party automotive tooling without requiring an external transceiver on the prototype board.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F1509-E/P — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1508-I/P | PIC16F1509-I/P | PIC16F1459-I/SS | PIC16F1458-I/P |
|---|---|---|---|---|---|
| Brand | 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 |
| Core Architecture | PIC16 8-bit enhanced mid-range | PIC16 8-bit enhanced mid-range | PIC16 8-bit enhanced mid-range | PIC16 8-bit enhanced mid-range | PIC16 8-bit enhanced mid-range |
| Flash Memory | 14 KB | 7 KB (-50%) | 14 KB (same) | 14 KB (same) | 7 KB (-50%) |
| Data RAM | 512 B | 512 B (same) | 512 B (same) | 1024 B (+100%) | 512 B (same) |
| Maximum CPU Speed | 20 MHz | 20 MHz (same) | 20 MHz (same) | 48 MHz (via PLL) | 48 MHz (via PLL) |
| USB Peripheral | No | No | No | Yes (USB 2.0 FS) | Yes (USB 2.0 FS) |
| Temperature Grade | Extended -40C to +125C | Industrial -40C to +85C | Industrial -40C to +85C | Industrial -40C to +85C | Industrial -40C to +85C |
| Special Peripherals (NCO/COG/CLC) | Yes (all three) | Yes (all three) | Yes (all three) | No NCO/COG | No NCO/COG |
| Approximate 1k-piece Price (USD) | $0.98 | ~$0.95 | ~$0.98 | ~$1.20 | ~$1.05 |
Key Differentiators
- Larger 14 KB Flash vs PIC16F1508 family siblings (vs PIC16F1508-I/P)
- XLP nanoWatt deep-sleep current below 1 uA typical (vs PIC16F1459-I/SS)
- Industrial extended temperature grade -E (-40C to +125C) (vs PIC16F1509-I/P)
- Includes NCO and COG peripherals absent on USB variants (vs PIC16F1458-I/P)
Design Notes
Place a 100nF decoupling capacitor as close as physically possible to each VDD/VSS pin pair, with a 10uF bulk capacitor at the board entry point. The PIC16F1509-E/P's XLP family achieves sub-1 uA deep-sleep current only when all unused peripherals are disabled via firmware and unused I/O pins are configured as outputs low. Estimated: at 20 MHz operation from 3.3V, the active current draw is approximately 1.8 mA, and at 32 kHz LFINTOSC in sleep, current drops to under 1 uA.
The MCLR pin (pin 4) should be pulled up to VDD through a 10k resistor in normal operation, with a 100nF capacitor to VSS for noise filtering. If ICSP programming is required, ensure that the ICSPDAT (RB7) and ICSPCLK (RB6) pins are not multiplexed with application loads that prevent programming access. The 20-PDIP package has a standard 0.1 inch pin pitch, allowing easy prototyping on standard perfboard and breadboards.
Configuration word 1 must be programmed correctly: the FOSC field must match the selected oscillator (internal 16 MHz HFINTOSC default is reliable for most designs), and the WDT (watchdog timer) should be enabled for safety-critical applications but disabled during early firmware bring-up to prevent unintended resets. The brown-out reset (BOR) voltage should be configured via the BORV field to match the minimum operating voltage of 2.3V, which prevents code execution at unsafe supply levels that can corrupt Flash or EEPROM writes.
The 20-PDIP package has a thermal resistance of approximately 50 C/W junction-to-ambient in still air, which is more than adequate for the PIC16F1509-E/P's typical 3.3V/20MHz active power dissipation of around 6 mW. No heatsink is required in any realistic use case. In extended-temperature -40C to +125C deployments, ensure the enclosure does not trap heat from external sources, and verify the device clock stability over the full temperature range using the LFINTOSC calibration registers.
Compliance Information
RoHS compliant and lead-free per Microchip product page. Not AEC-Q100 qualified; for AEC-Q100 automotive variants use PIC16F1509-E/P-Q suffix or migrate to a Q-graded SMD package.
