PIC16LF1503T-I/SL - 8-Bit MCU 20MHz 3.5KB Flash 14-SOIC
料号： PIC16LF1503T-I/SL ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $1.05 | $1.05 |
| 10 | $0.98 | $9.80 |
| 100 | $0.92 | $92.00 |
| 500 | $0.85 | $425.00 |
| 1,000 | $0.79 | $790.00 |
| 2,600 | $0.74 | $1,924.00 |
PIC16LF1503T-I/SL 概述
An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, integrating a CPU, volatile RAM, non-volatile program memory (Flash), and peripherals on one die. Within the broader hierarchy, this device belongs to PIC microcontrollers > 8-bit MCU > microcontroller > embedded processor > semiconductor. PIC16F/LF parts combine a RISC Harvard architecture with deterministic interrupt handling, making them a foundation for cost-sensitive and low-power embedded designs.
Key features include 20 MHz CPU speed with single-cycle instruction execution, 4 hardware timers (Timer0, Timer1, Timer2), a 10-bit ADC with multiple acquisition channels, CWG for complementary MOSFET drive, NCO for fine-frequency synthesis without a PLL, and CLC for combinational/sequential logic implementing glue functions in hardware. The 1.8V minimum supply supports battery-operated systems, and ultra-low power sleep modes preserve battery life.
The architecture uses a 14-bit instruction word with separate code and data buses (Harvard), enabling simultaneous instruction fetch and data access. The XLP technology delivers sub-uA sleep currents, supporting designs such as energy-harvesting nodes where the MCU spends most of its time in Sleep.
Typical applications include consumer appliance controls, LED lighting controllers, sensor signal conditioning nodes, low-cost IoT end nodes, and battery-powered handheld devices. The combination of NCO and CLC enables frequency generation and custom digital logic without external components.
When designing with this device, configure the ADC reference and acquisition time carefully; an inadequate acquisition time introduces nonlinearity. Use CLC and NCO to offload repetitive tasks from the CPU and reduce wake frequency, optimizing average power.
This page synthesizes distributor pricing, drop-in alternatives, application examples, and design notes beyond the manufacturer datasheet.
直接替换替代料： PIC16LF1503T-I/SL ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： PIC16LF1503T-I/SL （相同外形与封装尺寸） ——差异在于 Package, ADC, Core Architecture, Operating Temperature, Timers.
快速对比工具——选择替代料号进行并排对比：
PIC16LF1503-I/SL
✅ 直接替换📋 参考替代料（不在目录中）
PIC16LF1503-I/P
✅ 直接替换✓ 有现货
$0.66 / 个
查看数据手册 →PIC16LF1503-E/SL
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$0.62 / 个
查看数据手册 →PIC16LF1503T-E/SL
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
PIC16F1503-I/SL
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$0.59 / 个
查看数据手册 →PIC16LF1503T-I/SL 最大额定值与电气特性
| Core Architecture | 8-bit PIC |
| CPU Frequency | 20 MHz |
| Program Memory | 3.5 KB (2K x 14) Flash |
| RAM | 128 bytes |
| Operating Voltage Range | 1.8 V to 3.6 V |
| I/O Pins | 12 |
| ADC | 10-bit |
| Timers | 4 (Timer0, Timer1, Timer2, WDT) |
| Peripheral Modules | CLC, CWG, NCO |
| 封装 | 14-SOIC (0.150 inch) |
| 安装类型 | Surface Mount |
| 工作温度 | -40 C to +85 C |
| Packing Media | Tape and Reel (2600) |
| Lead Count | 14 |
| RoHS 状态 | Compliant |
PIC16LF1503T-I/SL 引脚配置
| 引脚 1 | RA5/!MCLR/VPP — RA5 GPIO / !MCLR reset / VPP programming voltage |
| 引脚 2 | RA0 — PORTA I/O; analog input |
| 引脚 3 | RA1 — PORTA I/O; analog input |
| 引脚 4 | RA2 — PORTA I/O; analog input |
| 引脚 5 | RA3 — PORTA I/O / !MCLR (alt mode); analog input |
| 引脚 6 | RA4 — PORTA I/O; analog input |
| 引脚 7 | VSS — Ground reference |
| 引脚 8 | RC0 — PORTC I/O |
| 引脚 9 | RC1 — PORTC I/O |
| 引脚 10 | RC2 — PORTC I/O |
| 引脚 11 | RC3 — PORTC I/O |
| 引脚 12 | RC4 — PORTC I/O |
| 引脚 13 | RC5 — PORTC I/O |
| 引脚 14 | VDD — Positive supply voltage (1.8V-3.6V) |
典型应用
PIC16LF1503T-I/SL 适用于 6 应用s: Consumer Appliance Control, LED Lighting Controller, IoT Sensor End Node, Battery-Powered Handheld Device, Sensor Signal Conditioning Node, Hobbyist/Educational MCU Board.
Consumer Appliance Control
Low-cost 8-bit MCU with 3.5 KB Flash, 128 B RAM, and 12 GPIO handles user-input scanning, sensor acquisition, and PID-driven heater or motor control. Operating from 1.8V to 3.6V, it supports single-cell Li-ion or DC rectified supplies and XLP sleep currents below 1 uA. Used in kitchen timers, water heaters, and small appliance HMI.
推荐
LED Lighting Controller
The CWG outputs drive complementary MOSFETs for LED strings, while the 10-bit ADC handles analog dimming through a sense resistor. A/D conversions plus CLC-accomplished PWM correction remove external gate driver ICs, and XLP sleep adds energy-harvesting compatibility. The 14-SOIC 0.150 inch package fits compact bulb form factors.
推荐
IoT Sensor End Node
Three GPIO-free timers and 128 B RAM cover periodic sensor reads with sub-uA sleep, well-matched to coin-cell remote controls, PIR-driven sensors, and RF wake-link front-ends. The NCO generates 16-kHz wake ticks without waking the CPU, and the 10-bit ADC supports voltage-, RTD-, or thermistor-based measurements.
推荐
Battery-Powered Handheld Device
The 1.8V minimum supply and XLP sleep support multi-year coin-cell runtime in remote controls or asset tags. The CLC plus NCO deliver chirp and wake signals without external parts, allowing low BOM cost. The 14-SOIC 0.150 inch package streams cleanly through wave/solder reflow.
推荐
Sensor Signal Conditioning Node
Twelve GPIO plus 10-bit ADC read resistive, voltage, and temperature sensors. The NCO synthesizes excitation signals for AC-bridge conditioning, while the CLC implements digital filters in hardware. This pairing reduces the BOM compared with op-amp + external logic designs in industrial and metering applications.
推荐
Hobbyist/Educational MCU Board
With 14 GPIO and 20 MHz, the PIC16LF1503T-I/SL is well-suited as an entry-level MCU on breadboard modules. Its instruction-set compatibility with PICkit and MPLAB X IDE lowers learning barriers, and its 14-SOIC 0.150 inch package fits DIP-adapter boards. Embedded-systems learners use it for timer interrupts, ADC, and CLC exercises.
推荐
推荐产品汇总
工程参考数据： PIC16LF1503T-I/SL ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | PIC16LF1503-I/SL | PIC16LF1503-I/P | PIC16LF1503-E/SL | PIC16LF1503T-E/SL | PIC16F1503-I/SL |
|---|---|---|---|---|---|---|
| Package | 14-SOIC (0.150 in) | 14-SOIC (same) | 14-SOIC (same) | 14-SOIC (same) | 14-SOIC (same) | 14-SOIC (same) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory | 3.5 KB Flash | 3.5 KB Flash | 3.5 KB Flash | 3.5 KB Flash | 3.5 KB Flash | 3.5 KB Flash |
| Operating Voltage | 1.8V to 3.6V | 1.8V to 3.6V | 1.8V to 3.6V | 1.8V to 3.6V | 1.8V to 3.6V | 1.8V to 5.5V (wider) |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +125C (extended) | -40C to +125C (extended) | -40C to +85C |
| Packing Media | Tape and Reel (2600) | Tube (no 'T') | Tube / PDIP | Tube | Tape and Reel | Tube / SOIC |
| GPIO Count | 12 | 12 | 12 | 12 | 12 | 12 |
| XLP Low-Power | Yes (1.8V min) | Yes | Yes | Yes | Yes | No (5.5V max) |
关键差异点
- Same-brand drop-in alternative with industrial -40C to +125C rating （对比 PIC16LF1503-E/SL)
- Lowest-voltage variant in the family （对比 PIC16F1503-I/SL)
- Tape-and-reel packing for high-volume assembly （对比 PIC16LF1503-I/SL)
设计说明
Place VDD/VSS decoupling as close to pins 14 and 7 of the 14-SOIC as practical. Estimated: a 100 nF X7R ceramic bypass reduces digital-switching voltage excursions. Add a bulk capacitor of at least 1 uF near VDD if the supply is shared with motor or LED drivers.
For battery-operated designs, drive the device from a 1.8V LDO rather than a switching regulator. Estimated: an LDO paired with the XLP sleep-mode current keeps quiescent draw below 2 uA over a 3.3V cell. Use !MCLR tied to VDD via 10 kohm resistor for clean reset edge.
Ensure the !MCLR/VPP pin configuration is correct; using !MCLR as GPIO requires configuration-word changes that may lock out in-circuit programming. Avoid using the PIC16F1503 as a cross-package substitute; verify the package suffix (-SL, -ST, -P, -MG) before substitution.
合规信息
RoHS and lead-free compliant per Microchip product page. Country of origin: Thailand. AEC-Q100 not applicable (not the -Q1 automotive suffix).
