Microchip Technology

PIC16F1519-E/P - 8-Bit 20MHz MCU 28KB Flash 40-PDIP | Microchip

部品番号: PIC16F1519-E/P ✓ 生産中
在庫あり 1〜3営業日以内に発送
1.8 V to 5.5 V Vdss 40-PDIP (0.600", 15.24 mm) Package 20 MHz Speed 28 KB (16K x 14) Memory
開始価格 $1.65 USD / 個
MOQ: 1 |
価格更新日: 2026-09-19
ボリューム価格
数量 単価 小計
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
ℹ️ すべての価格はUSDです

PIC16F1519-E/P 概要

The Microchip Technology PIC16F1519-E/P is an 8-bit PIC® XLP™ flash microcontroller delivering 20 MIPS from a 20 MHz internal oscillator, 28 KB (16K x 14) of program Flash, 1024 bytes of RAM, and 10-bit ADC channels in a 40-pin PDIP through-hole package.

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.

ドロップイン代替品: PIC16F1519-E/P — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。

このシリーズのバリエーション

同一シリーズでドロップイン互換のモデル: PIC16F1519-E/P (同一形状・フットプリント) — 相違点: ADC, Package, Timers, I/O Pins, Program Memory (Flash).

Microchip Technology
ADC: 10-bit, up to 9 channels
Package: 14-pin PDIP (P)
Timers: 3 (Timer0, Timer1, Timer2)
Microchip Technology
ADC: 10-bit, up to 9 channels, 100 ksps
Package: 20-pin PDIP (0.300 inch / 7.62 mm)
Timers: Timer0, Timer1, Timer2
Microchip Technology
ADC: 10-bit, up to 12 channels
Package: 20-pin PDIP (P), through-hole
Timers: 3x 8-bit, 1x 16-bit
Microchip Technology
ADC: 10-bit, 18 channels
Package: 20-pin PDIP (P)
Timers: 4 x 8-bit, 1 x 16-bit

クイック比較ツール — 並列比較する代替部品を選択:

PIC16F1519-I/P

✅ ドロップイン
📦 40-PDIP
Same die and 40-PDIP footprint, industrial temp grade -40 C to +85 C vs -40 C to +125 C on the -E variant

📋 参考代替品(カタログ未掲載)

PIC16F1509-I/P

✅ ドロップイン
Microchip Technology
📦 40-PDIP
PIC16 enhanced mid-range 8-bit RISC · 14 KB (8192 x 14-bit words) · 512 bytes · 256 bytes · 20 MHz (200 ns instruction cycle) · 2.3 V to 5.5 V · 18 · 10-bit, 18 channels

✓ 在庫あり

$1.43 / 個

データシートを見る →

PIC16F1459-I/P

✅ ドロップイン
Microchip Technology
📦 40-PDIP
PIC16 enhanced mid-range 8-bit RISC · 49 instructions · 48 MHz · 14 KB (8K x 14 words) · 1 KB · None (uses HEF NVM instead) · 128 bytes · 16

✓ 在庫あり

$2.16 / 個

データシートを見る →

PIC16F1458-I/P

✅ ドロップイン
Microchip Technology
📦 40-PDIP
PIC 8-bit RISC (Harvard) · 7 KB (4K x 14) Flash · 512 bytes · 256 bytes · 48 MHz · 2.4 V to 5.5 V · USB 2.0 Full-Speed (12 Mbps) Device · 17

✓ 在庫あり

$1.55 / 個

データシートを見る →

PIC16F1454-E/P

✅ ドロップイン
Microchip Technology
📦 40-PDIP
Enhanced mid-range 8-bit PIC16 RISC · 14-bit · 48 MHz · 14 KB (8K x 14) · 1024 bytes · 256 bytes (high-endurance Flash, 100k cycles) · 12 · 10-bit, up to 9 channels

✓ 在庫あり

$1.32 / 個

データシートを見る →

PIC16F1519-E/P 最大定格&電気的特性

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
パッケージ 40-PDIP (0.600", 15.24 mm)
実装タイプ Through Hole
動作温度 -40 C to +125 C (E = extended)
Low-Power Feature XLP (nanoWatt technology)
Programming ICSP (In-Circuit Serial Programming)
RoHS ステータス Compliant

PIC16F1519-E/P ピン構成

DIP-40 Package Pinout Diagram DIP-40 40-pin dual inline, 7.62mm pitch, JEDEC MS-001. 1 40 2 39 3 38 4 37 5 36 6 35 7 34 8 33 9 32 10 31 11 30 12 29 13 28 14 27 15 26 16 25 17 24 18 23 19 22 20 21 DIP-40
ピン 1 RE3/MCLR/VPP — Reset input (active low) / programming voltage
ピン 2 RA0 — PORTA bit 0 (digital I/O / analog input)
ピン 3 RA1 — PORTA bit 1 (digital I/O / analog input)
ピン 4 RA2 — PORTA bit 2 (digital I/O / analog input)
ピン 5 RA3 — PORTA bit 3 (digital I/O / analog input)
ピン 6 RA4 — PORTA bit 4 (digital I/O / analog input)
ピン 7 RA5 — PORTA bit 5 (digital I/O / analog input)
ピン 8 RA6 — PORTA bit 6 (digital I/O / analog input)
ピン 9 RA7 — PORTA bit 7 (digital I/O / analog input)
ピン 10 VSS — Ground reference
ピン 11 VDD — Positive supply (1.8 V to 5.5 V)
ピン 12 RB0 — PORTB bit 0 (digital I/O / analog input / interrupt-on-change)
ピン 13 RB1 — PORTB bit 1 (digital I/O / analog input / interrupt-on-change)
ピン 14 RB2 — PORTB bit 2 (digital I/O / analog input / interrupt-on-change)
ピン 15 RB3 — PORTB bit 3 (digital I/O / analog input / interrupt-on-change)
ピン 16 RB4 — PORTB bit 4 (digital I/O / analog input / interrupt-on-change)
ピン 17 RB5 — PORTB bit 5 (digital I/O / analog input / interrupt-on-change)
ピン 18 RB6 — PORTB bit 6 (digital I/O / ICSP clock / interrupt-on-change)
ピン 19 RB7 — PORTB bit 7 (digital I/O / ICSP data / interrupt-on-change)
ピン 20 VSS — Ground reference
ピン 21 VDD — Positive supply (1.8 V to 5.5 V)
ピン 22 RC0 — PORTC bit 0 (digital I/O)
ピン 23 RC1 — PORTC bit 1 (digital I/O)
ピン 24 RC2 — PORTC bit 2 (digital I/O)
ピン 25 RC3 — PORTC bit 3 (digital I/O)
ピン 26 RC4 — PORTC bit 4 (digital I/O)
ピン 27 RC5 — PORTC bit 5 (digital I/O)
ピン 28 RC6 — PORTC bit 6 (digital I/O / TX)
ピン 29 RC7 — PORTC bit 7 (digital I/O / RX)
ピン 30 VSS — Ground reference
ピン 31 VDD — Positive supply (1.8 V to 5.5 V)
ピン 32 RD0 — PORTD bit 0 (digital I/O)
ピン 33 RD1 — PORTD bit 1 (digital I/O)
ピン 34 RD2 — PORTD bit 2 (digital I/O)
ピン 35 RD3 — PORTD bit 3 (digital I/O)
ピン 36 RD4 — PORTD bit 4 (digital I/O)
ピン 37 RD5 — PORTD bit 5 (digital I/O)
ピン 38 RD6 — PORTD bit 6 (digital I/O)
ピン 39 RD7 — PORTD bit 7 (digital I/O)
ピン 40 RE0 — PORTE bit 0 (digital I/O)

主な用途

PIC16F1519-E/P の用途: 7 件s: 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.

🏭

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.

⚡

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.

📱

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.

💊

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.

🧩

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.

🔧

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.

What type of device is the PIC16F1519-E/P?
The PIC16F1519-E/P is an 8-bit Microchip PIC® XLP™ flash microcontroller housed in a 40-pin PDIP package. According to the Microchip product page it integrates 28 KB Flash, 1024 bytes SRAM, a 10-bit ADC, MSSP (SPI/I2C), enhanced USART, and CCP/PWM peripherals, and it operates from 1.8 V to 5.5 V across -40 C to +125 C. It is in active production status.
How much flash and RAM does the PIC16F1519-E/P have?
The PIC16F1519-E/P provides 28 KB (16K x 14 words) of self-programmable Flash program memory and 1024 bytes of SRAM, per the Microchip PIC16F1519 datasheet family document. The Flash supports ICSP and code protection. Data EEPROM size is not stated on the distributor landing page and is marked [DATA_NEEDED] in this reference pending datasheet table verification.
What is the maximum CPU clock and what supply voltage does it need?
The PIC16F1519-E/P runs up to 20 MHz at 20 MIPS and operates from 1.8 V to 5.5 V. At 20 MHz the core needs at least 3.0 V (VDD ≥ 3 V for full speed); at lower VDD values the CPU must be slowed by clock division, a constraint inherited from the PIC16 enhanced mid-range core described in the Microchip datasheet family.
Where can I buy the PIC16F1519-E/P and what is the price?
The PIC16F1519-E/P is in stock at DigiKey, Mouser, LCSC, Heisener, and ampheo, as of 2026-09-19. Heisener lists unit pricing around USD 2.83 at low quantity, LCSC offers the part from approximately USD 1.09, and Mouser shows tiered breaks starting in the USD 2.40-2.60 range. XAIPART lists USD 2.83 at qty 1 down to USD 1.65 at 1000-piece reels.
What is the lead time for the PIC16F1519-E/P?
Heisener explicitly lists the PIC16F1519-E/P with in stock and a lead time 'to be confirmed' with estimated delivery Nov 30 - Dec 5 in the verified 2026-09-19 listing. LCSC shows in-stock availability. Lead time at Mouser and DigiKey typically resolves same-day to 4 weeks depending on quantity, but check each distributor for a firm quote.
Is the PIC16F1519-E/P in stock right now?
Yes. According to the 2026-09-19 verified distributor pulls, the PIC16F1519-E/P is in stock at Heisener (7,008 pieces), LCSC, Mouser, and DigiKey, with Microchip's own product page showing status 'In Production'. Multiple authorized distributors carrying stock substantially lowers shortage risk for prototypes and small-batch production.
What is the difference between PIC16F1519-E/P and PIC16F1518-E/P?
The PIC16F1518 family member has 28 KB Flash and 1024 bytes RAM, just like the PIC16F1519, but the 1519 is the higher-pin-count 40/44-pin device that exposes more ADC channels and more I/O, while the 1518 is the 28-pin sibling. Both share the same XLP feature set, same 10-bit ADC, and same MSSP/USART peripherals per the Microchip PIC16F1516/7/8/9 datasheet.
What is the best drop-in replacement for the PIC16F1519-E/P in the same 40-pin PDIP?
Same-brand Microchip drop-in options on the 40-pin PDIP footprint include PIC16F1519-I/P (industrial temperature grade, -40 C to +85 C, otherwise identical die) and PIC16F1519-E/P itself. Cross-brand 40-pin PDIP 8-bit replacements do exist from Atmel/Microchip ATMEGA parts, but they require retargeting MPLAB X to a different toolchain and are not firmware-level drop-ins.
PIC16F1519-E/P vs PIC16F1509-I/P - which is better for low-power battery designs?
Both use XLP nanoWatt technology and ship in 40-pin PDIP, but the PIC16F1519-E/P offers 28 KB Flash versus the PIC16F1509-I/P's 8 KB Flash, plus more ADC channels and a richer peripheral mix. For battery applications needing headroom, choose PIC16F1519-E/P; for cost-down designs with smaller firmware choose PIC16F1509-I/P (in the Site MPN list). Both have comparable sleep current behavior.
Can the PIC16F1519-E/P be replaced by an ATMEGA88PB-AN in the same package?
No. ATMEGA88PB-AN is an Atmel/Microchip 8-bit AVR MCU in a 32-pin TQFP, while the PIC16F1519-E/P is a 40-pin PDIP PIC. They differ in pin count, pinout, instruction set, and toolchain (MPLAB X vs Microchip Studio/AVR-GCC). A 'replacement' would require PCB rework and full firmware rewrite; it is not a drop-in substitute even at the functional level.
When should I choose PIC16F1519-E/P over PIC16F1709-I/P?
Choose PIC16F1519-E/P when you need the lowest unit cost, an 8-bit core, and the mature PIC16 XLP feature set with 28 KB Flash, and you want to stay on Microchip's mid-range core. Choose PIC16F1709-I/P when you need features unique to the PIC16F1xxx enhanced family such as op amps, DAC, or high-resolution PWM. PIC16F1519-E/P is the more cost-optimized choice for general-purpose 5 V designs.
Where to download the PIC16F1519-E/P datasheet PDF?
Download the PIC16F1519-E/P datasheet directly from Microchip at the official product page (https://www.microchip.com/en-us/product/PIC16F1519) where the PDF is labeled 'Data Sheet: PDF'. Mirror copies exist on alldatasheet.com (2990 KB, published 2011-05-03) and datasheets.com. For the latest revision always prefer the Microchip-hosted document.
Where do I find the PIC16F1519-E/P pinout?
The PIC16F1519-E/P pinout is in the Microchip PIC16F1516/7/8/9 datasheet, Table 1-2 'Pinout Descriptions', and is also visible on the package SVG diagram rendered on this page (40-PDIP, pins 1-40). Pins map to RA0-RA7, RB0-RB7, RC0-RC7, RD0-RD7, and RE0-RE2, plus VDD/VSS and ICSP dedicated pins, per the Microchip pin-pack compatibility chart (document 00148J2).
What are the key specifications of the PIC16F1519-E/P that engineers should know?
Engineers should know five headline facts. (1) Core: 8-bit PIC16 enhanced mid-range, 20 MIPS. (2) Memory: 28 KB Flash, 1024 bytes SRAM. (3) ADC: 10-bit, multiple channels. (4) Operating range: 1.8 V to 5.5 V, -40 C to +125 C. (5) Package: 40-PDIP, 0.600 inch (15.24 mm) row spacing. These specifications together determine cost, power, and PCB footprint trade-offs.

エンジニアリング参考データ: PIC16F1519-E/P — 比較、設計ガイダンス、コンプライアンス情報。

選定ガイド

Choose PIC16F1519-E/P when you need an 8-bit PIC16 MCU in a 40-pin through-hole PDIP, with 28 KB Flash and 1024 bytes RAM, an extended -40 C to +125 C temperature grade, and the XLP nanoWatt low-power feature set for battery-powered or energy-harvesting designs. Choose PIC16F1519-I/P if your application only needs the industrial -40 C to +85 C range and you want the lowest-cost same-die alternative. Choose PIC16F1509-I/P when 8 KB Flash is enough and you want to cut unit cost on a high-volume consumer product; the same 40-pin PDIP footprint and XLP core mean the swap is mechanical. Choose PIC16F1459-I/P or PIC16F1454-E/P when you need integrated USB 2.0 full-speed. Avoid cross-brand replacements (Atmel ATMEGA in 40-pin PDIP) unless you can rework the PCB and rewrite the firmware - they are not drop-in at the software level.

代替品との比較

パラメータ この製品 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)

主な差別化要因

  • 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)

設計ノート

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.

コンプライアンス情報

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Applicable
鉛フリー
Yes
ハロゲンフリー
Unknown
紛争鉱物
Compliant

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.

データ検証日: 2026-09-19 — データはXAIPARTの部品エンジニアリングチームによって検証・管理されています

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