PIC16F1519-E/P - 8-Bit 20MHz MCU 28KB Flash 40-PDIP | Microchip
MPN: PIC16F1519-E/P ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.83 | $2.83 |
| 10 | $2.55 | $25.50 |
| 100 | $2.18 | $218.00 |
| 500 | $1.89 | $945.00 |
| 1,000 | $1.65 | $1,650.00 |
PIC16F1519-E/P Overview
An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path. It belongs to the taxonomy microcontroller -> embedded controller -> semiconductor IC and is the workhorse of low-power, cost-sensitive embedded designs. Within Microchip's portfolio the PIC16F1519 sits in the enhanced mid-range PIC16 family, which adds multiple hardware peripherals, a 14-bit instruction word, and the eXtreme Low Power (XLP) feature set while retaining the classic 35-instruction RISC core. PIC microcontrollers in general, and the PIC16F1519 in particular, are widely used where deterministic interrupt latency, ultra-low sleep current, and a mature MPLAB X toolchain matter more than raw CPU throughput.
Key features highlighted by the Microchip PIC16F1519 datasheet include 28 KB self-programmable Flash with code protection, 1024 bytes SRAM, up to 17 channels of 10-bit ADC, two 8-bit timers and one 16-bit timer, a master synchronous/asynchronous serial port (MSSP) configurable as SPI or I2C, an enhanced USART, four capture/compare/PWM modules (CCP), two 10-bit PWMs, an on-chip voltage reference, and an extended watchdog timer. The XLP variants add nanoWatt XLP sleep currents measured in tens of nanoamps and a wide 1.8 V to 5.5 V operating range, making the part a fit for battery-powered and energy-harvesting products.
The PIC16F1519-E/P uses Microchip's enhanced mid-range core with a hardware multiplier, a single-cycle instruction decoder, and a deep interrupt controller. The 40-pin PDIP package exposes 36 I/O pins across multiple ports (RA, RB, RC, RD, RE), supports in-circuit serial programming (ICSP) via two dedicated pins, and integrates a precision 32 kHz oscillator source for low-power timing. Power management includes multiple sleep modes, brown-out reset (BOR), low-voltage detect, and an ultra-low-power watchdog that together allow idle current budgets well under 1 µA.
Typical applications include industrial sensor nodes and process monitoring, white-goods and appliance control panels, low-cost medical consumables such as glucose meters, consumer remote controls and HMI boards, battery-powered metering, HVAC blower and damper control, and general-purpose 5 V logic-replacement designs migrating from 8-bit legacy controllers to a modern, flash-friendly MCU with USB-free communication. The wide operating voltage and robust peripheral mix also make the PIC16F1519 a popular choice in educational and maker platforms.
When designing with this device, budget decoupling: place a 100 nF ceramic VDD bypass close to every VDD/SS pair, add a bulk 10 µF tantalum or aluminum polymer cap at the regulator output, and tie unused I/O pins to defined logic levels to avoid shoot-through current. For noise-sensitive ADC readings, average multiple samples and route analog and digital ground returns back to a single star point.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found on the standalone manufacturer datasheet, giving procurement and engineering teams a single decision-ready reference.
Drop-in alternatives for PIC16F1519-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 PIC16F1519-E/P (same form factor and footprint) — differing in ADC, Package, Timers, I/O Pins, Program Memory (Flash).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F1519-I/P
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F1509-I/P
✅ Drop-In✓ In Stock
$1.43 / Unit
View Datasheet →PIC16F1459-I/P
✅ Drop-In✓ In Stock
$2.16 / Unit
View Datasheet →PIC16F1458-I/P
✅ Drop-In✓ In Stock
$1.55 / Unit
View Datasheet →PIC16F1454-E/P
✅ Drop-In✓ In Stock
$1.32 / Unit
View Datasheet →PIC16F1519-E/P Maximum Ratings & Electrical Characteristics
| Core | PIC16 (enhanced mid-range, 8-bit) |
| Instruction Set | RISC, 35 instructions, 14-bit word |
| Program Memory (Flash) | 28 KB (16K x 14) |
| SRAM | 1024 bytes |
| Maximum CPU Speed | 20 MHz |
| MIPS | 20 MIPS |
| Operating Voltage | 1.8 V to 5.5 V |
| ADC | 10-bit, multiple channels (see datasheet) |
| I/O Pins | 36 |
| Timers | Two 8-bit, one 16-bit |
| Communication | MSSP (SPI/I2C), Enhanced USART |
| PWM | CCP modules plus 10-bit PWM outputs |
| Package | 40-PDIP (0.600", 15.24 mm) |
| Mounting Type | Through Hole |
| Operating Temperature | -40 C to +125 C (E = extended) |
| Low-Power Feature | XLP (nanoWatt technology) |
| Programming | ICSP (In-Circuit Serial Programming) |
| RoHS Status | Compliant |
PIC16F1519-E/P Pin Configuration
| Pin 1 | RE3/MCLR/VPP — Reset input (active low) / programming voltage |
| Pin 2 | RA0 — PORTA bit 0 (digital I/O / analog input) |
| Pin 3 | RA1 — PORTA bit 1 (digital I/O / analog input) |
| Pin 4 | RA2 — PORTA bit 2 (digital I/O / analog input) |
| Pin 5 | RA3 — PORTA bit 3 (digital I/O / analog input) |
| Pin 6 | RA4 — PORTA bit 4 (digital I/O / analog input) |
| Pin 7 | RA5 — PORTA bit 5 (digital I/O / analog input) |
| Pin 8 | RA6 — PORTA bit 6 (digital I/O / analog input) |
| Pin 9 | RA7 — PORTA bit 7 (digital I/O / analog input) |
| Pin 10 | VSS — Ground reference |
| Pin 11 | VDD — Positive supply (1.8 V to 5.5 V) |
| Pin 12 | RB0 — PORTB bit 0 (digital I/O / analog input / interrupt-on-change) |
| Pin 13 | RB1 — PORTB bit 1 (digital I/O / analog input / interrupt-on-change) |
| Pin 14 | RB2 — PORTB bit 2 (digital I/O / analog input / interrupt-on-change) |
| Pin 15 | RB3 — PORTB bit 3 (digital I/O / analog input / interrupt-on-change) |
| Pin 16 | RB4 — PORTB bit 4 (digital I/O / analog input / interrupt-on-change) |
| Pin 17 | RB5 — PORTB bit 5 (digital I/O / analog input / interrupt-on-change) |
| Pin 18 | RB6 — PORTB bit 6 (digital I/O / ICSP clock / interrupt-on-change) |
| Pin 19 | RB7 — PORTB bit 7 (digital I/O / ICSP data / interrupt-on-change) |
| Pin 20 | VSS — Ground reference |
| Pin 21 | VDD — Positive supply (1.8 V to 5.5 V) |
| Pin 22 | RC0 — PORTC bit 0 (digital I/O) |
| Pin 23 | RC1 — PORTC bit 1 (digital I/O) |
| Pin 24 | RC2 — PORTC bit 2 (digital I/O) |
| Pin 25 | RC3 — PORTC bit 3 (digital I/O) |
| Pin 26 | RC4 — PORTC bit 4 (digital I/O) |
| Pin 27 | RC5 — PORTC bit 5 (digital I/O) |
| Pin 28 | RC6 — PORTC bit 6 (digital I/O / TX) |
| Pin 29 | RC7 — PORTC bit 7 (digital I/O / RX) |
| Pin 30 | VSS — Ground reference |
| Pin 31 | VDD — Positive supply (1.8 V to 5.5 V) |
| Pin 32 | RD0 — PORTD bit 0 (digital I/O) |
| Pin 33 | RD1 — PORTD bit 1 (digital I/O) |
| Pin 34 | RD2 — PORTD bit 2 (digital I/O) |
| Pin 35 | RD3 — PORTD bit 3 (digital I/O) |
| Pin 36 | RD4 — PORTD bit 4 (digital I/O) |
| Pin 37 | RD5 — PORTD bit 5 (digital I/O) |
| Pin 38 | RD6 — PORTD bit 6 (digital I/O) |
| Pin 39 | RD7 — PORTD bit 7 (digital I/O) |
| Pin 40 | RE0 — PORTE bit 0 (digital I/O) |
Typical Applications
PIC16F1519-E/P is suitable for 7 applications: Industrial Sensor Node and Process Monitoring, White-Goods and Appliance Control Panels, Battery-Powered Metering and Energy Harvesting, Consumer Remote Control and HMI Boards, Low-Cost Medical Consumables (Glucose Meters, Peak Flow Meters), Educational and Maker Platforms, General-Purpose 5V Logic Replacement and Legacy Migration.
Industrial Sensor Node and Process Monitoring
The PIC16F1519-E/P fits industrial sensor nodes because of its 1.8 V to 5.5 V wide supply range, -40 C to +125 C extended temperature grade, and 10-bit ADC with multiple input channels. The XLP feature set holds sleep current in the tens of nanoamps, which is critical for 4-20 mA loop-powered or battery-backed transmitters that must run for years on a primary cell. The 28 KB Flash accommodates MODBUS or custom protocol stacks plus calibration tables. Place the MCU between the sensor bridge (e.g., RTD or strain gauge) and the isolated RS-485 link, averaging ADC samples and waking only on timer interrupt.
Recommended
White-Goods and Appliance Control Panels
The PIC16F1519-E/P is a strong match for washing-machine, dishwasher, and HVAC control panels because of its 36 I/O pins (driving LED arrays, keypads, relays, and seven-segment displays), 28 KB Flash for state-machine firmware, and enhanced USART for the inverter/display board link. The 40-pin PDIP is easy to hand-solder or socket for field service. Compared with surface-mount 8-bit alternatives, the through-hole PDIP simplifies prototyping. Use two CCP/PWM channels for triac firing and one 16-bit timer for tachometer feedback from the motor.
Recommended
Battery-Powered Metering and Energy Harvesting
XLP nanoWatt technology makes the PIC16F1519-E/P attractive for battery-powered metering (water, gas, electric submeter) and energy-harvesting wireless sensor nodes. Sleep currents in the tens of nanoamps combined with a wide 1.8 V to 5.5 V operating range let a single coin cell run the part for years. The 28 KB Flash hosts a metering algorithm and a wireless protocol (e.g., a simple sub-GHz stack), and the 10-bit ADC digitizes the front-end sensor signal. Place the MCU between the analog front end and the radio module, sleeping 99% of the time and waking on RTC or external interrupt.
Recommended
Consumer Remote Control and HMI Boards
The PIC16F1519-E/P suits universal remote controls, IR/RF transmitters, and small human-machine-interface boards because of its 36 I/O, MSSP for SPI display drivers, and 28 KB Flash for protocol lookup tables. The 5.5 V tolerance allows direct LED driving without level shifters. The 40-pin PDIP supports legacy through-hole designs and educational kits. Use the enhanced USART for an optional USB-to-UART bridge during development, and the 10-bit ADC for joystick or capacitive touch sensing.
Recommended
Low-Cost Medical Consumables (Glucose Meters, Peak Flow Meters)
The PIC16F1519-E/P is appropriate for single-use or short-life medical consumables where unit cost matters but reliability does not. The 28 KB Flash fits an electrochemical-strip impedance-sensing algorithm plus a small display driver, and the 10-bit ADC is sufficient for the front-end signal chain. The 1.8 V to 5.5 V range accepts a single coin cell directly, and XLP keeps standby current in nanoamps so shelf life tracks battery self-discharge. Choose -E extended-temperature grade for storage in cold-chain logistics.
Recommended
Educational and Maker Platforms
The PIC16F1519-E/P is a popular choice for educational boards and maker kits because of its through-hole 40-pin PDIP, which fits a 0.600 inch DIP socket and is trivial to breadboard. The 28 KB Flash hosts a full MPLAB X project, and ICSP allows programming without removing the chip from the board. The PIC16F1519-E/P's 10-bit ADC and CCP/PWM peripherals cover the standard introductory syllabus: digital I/O, timers, ADC sampling, PWM motor control, and UART/I2C/SPI communication. Pick the -E (extended) grade for the widest lab operating-temperature envelope.
Recommended
General-Purpose 5V Logic Replacement and Legacy Migration
The PIC16F1519-E/P is ideal for replacing legacy 8051 and PIC17 designs that need modern peripherals, more Flash, and lower power. The 40-pin PDIP lets you drop it into an existing 8051 socket layout with a small adapter PCB, and the 5.5 V tolerance preserves direct 5 V GPIO interfacing without level shifters. 28 KB Flash and 1024 bytes RAM support modern firmware patterns (RTOS-lite, structured state machines) while the PIC16 enhanced mid-range core keeps code density high. Migrate firmware gradually using ICSP without removing the chip from the board.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F1519-E/P — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1519-I/P | PIC16F1509-I/P | PIC16F1459-I/P | PIC16F1458-I/P | PIC16F1454-E/P |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 40-PDIP | 40-PDIP - same | 40-PDIP - same | 40-PDIP - same | 40-PDIP - same | 40-PDIP - same |
| Core | PIC16 enhanced mid-range, 8-bit | PIC16 enhanced mid-range, 8-bit | PIC16 enhanced mid-range, 8-bit | PIC16 enhanced mid-range, 8-bit | PIC16 enhanced mid-range, 8-bit | PIC16 enhanced mid-range, 8-bit |
| Max CPU Speed | 20 MHz | 20 MHz | 20 MHz | 48 MHz | 48 MHz | 48 MHz |
| Flash | 28 KB | 28 KB | 8 KB | 14 KB | 7 KB | 14 KB |
| RAM | 1024 bytes | 1024 bytes | 1024 bytes | 1024 bytes | 512 bytes | 1024 bytes |
| USB | No | No | No | Yes (USB 2.0 FS) | Yes (USB 2.0 FS) | Yes (USB 2.0 FS) |
| 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 | 1.8 V to 5.5 V |
| Temperature Grade | -40 C to +125 C (E) | -40 C to +85 C (I) | -40 C to +85 C (I) | -40 C to +85 C (I) | -40 C to +85 C (I) | -40 C to +125 C (E) |
| Low-Power Feature | XLP (nanoWatt) | XLP (nanoWatt) | XLP (nanoWatt) | XLP (nanoWatt) | XLP (nanoWatt) | XLP (nanoWatt) |
Key Differentiators
- Highest Flash density in the 40-pin PDIP PIC16F1xxx family (vs PIC16F1509-I/P)
- Extended temperature grade for industrial environments (vs PIC16F1519-I/P)
- No USB controller overhead - leaner firmware (vs PIC16F1459-I/P)
- Through-hole PDIP simplifies prototyping and field service (vs PIC16F1516-I/SO)
- Larger SRAM than smaller-flash siblings (vs PIC16F1458-I/P)
Design Notes
Place a 100 nF ceramic decoupling capacitor as close as physically possible to every VDD/VSS pair on the PIC16F1519-E/P (pins 11/10, 21/20, 31/30). Add a single bulk 10 µF tantalum or aluminum-polymer cap at the regulator output. For battery-powered designs using XLP sleep, ensure that the LDO quiescent current is below the MCU's deep-sleep current budget (tens of nA), otherwise the regulator becomes the dominant idle load. Always tie unused I/O pins to a defined logic level (VDD or VSS) to prevent CMOS input shoot-through.
The PIC16F1519-E/P's RE3/MCLR pin is an input-only pin and must not be left floating; if not used as MCLR it must be tied to VDD through a 10 kΩ pull-up. ICSP requires RB6 (ICSPCLK) and RB7 (ICSDAT) to remain in their default state during programming; avoid external circuitry that drives these pins during reset. Brown-out reset (BOR) is enabled by configuration fuse and should match the application's minimum VDD. Forgetting to set the configuration bits correctly is the single most common cause of 'dead MCU' prototypes.
Estimated: at the maximum 20 MHz CPU clock and 5.5 V supply, the PIC16F1519-E/P core current is approximately 5-7 mA, yielding about 30 mW dissipation - negligible for the 40-PDIP package's thermal resistance. At low clock rates and 3.3 V supply the current drops well below 1 mA. The thermal envelope is therefore dominated by I/O pin drive strength rather than core activity, and a careful I/O loading analysis is more important than heatsink design for this MCU class.
For the 40-PDIP package, route all VDD/VSS pairs to a wide ground/power plane on the top and bottom layers, and place all decoupling within 3 mm of the relevant pin. Use the ICSP header footprint that matches Microchip's recommended 6-pin RJ-11 layout (or the 5-pin Microchip ICD header). Keep the analog signal traces short and away from digital switching lines; on the 10-bit ADC this is essential for stable conversions. Plan a star-ground topology if the design mixes high-current relays and low-level analog.
The PIC16F1519-E/P's 10-bit ADC reaches its noise floor only with careful PCB design: add a small RC (1 kΩ + 100 nF) on the analog input to limit bandwidth, take at least 16 samples and average in software, and switch the MCU to a lower CPU clock during sensitive conversions. The MSSP SPI peripheral can operate up to FOSC/2; keep the SPI bus traces short and add a series resistor near the master to dampen ringing. The enhanced USART supports asynchronous mode up to several hundred kbps without issues if the trace impedance is controlled.
Compliance Information
RoHS and REACH compliance inferred from Microchip product page and the findic.us entry dated 2011-05-03. AEC-Q100 is not applicable to this part; the part is graded for industrial and consumer use, not automotive. Halogen-free status was not stated in the verified data and is recorded as unknown.
