PIC16LF1516-I/SP - 8-Bit 20MHz XLP MCU 14KB Flash 28-SPDIP | Microchip
MPN: PIC16LF1516-I/SP ✓ Hoạt độngPIC16LF1516-I/SP Tóm tắt
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory, data RAM, peripherals, and I/O on one die, optimized for deterministic real-time control with low power consumption and simple toolchains. PIC16F1xxx MCUs sit at the mid-range of Microchip's 8-bit portfolio (between baseline PIC10/12 and enhanced PIC18 families) and are widely used in cost-sensitive embedded control applications where low power and small footprint outweigh raw throughput.
Key features include the enhanced mid-range core with 49 instructions and 16 stack levels, an internal 16 MHz high-precision oscillator, programmable brown-out reset (BOR), and in-circuit serial programming (ICSP) plus in-circuit debug without a debug header. The 14 KB Flash supports 10,000 erase/write cycles typical, and the 512 B SRAM is suited to small data buffers and protocol stacks.
Architecturally, the PIC16LF1516 uses a Harvard RISC core with separate code and data buses, single-cycle instruction execution at 20 MHz (200 ns instruction time), and wide peripheral integration including 10-bit ADC, comparators, timers, and configurable logic cells. The LF suffix denotes the low-voltage 1.8-3.6 V variant; the F (PIC16F1516) variant runs 2.3-5.5 V.
Typical applications include battery-powered IoT sensor nodes, low-power remote controls, consumer appliances with simple HMI, and industrial sensor conditioning. The 28-SPDIP package simplifies breadboarding and hand-soldered prototypes, making this part a common choice for hobbyist and industrial designs.
When designing, ensure decoupling capacitors (100 nF and 10 uF typical) are placed close to VDD/VSS. For low-power apps, leverage the nanoWatt XLP sleep modes (down to sub-uA) and use the internal 16 MHz oscillator to minimize BOM cost. The device is supported by MPLAB X IDE and XC8 compiler.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes from the official PIC16(L)F1516/7/8/9 datasheet, going beyond what distributor listings alone provide.
Bộ thay thế dễ dàng lắp đặt cho PIC16LF1516-I/SP — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với PIC16LF1516-I/SP (cùng hình factor và footprint) — khác nhau ở Package, Core Architecture, Program Memory (Flash), ADC, I/O Pins.
PIC16F1516-I/SP
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16LF1516-I/SO
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16LF1516T-I/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16LF1516-E/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16LF1512-I/SP
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16LF1503-I/MV
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16LF1516-I/SP Tỷ lệ tối đa & tính chất điện
| Product Family | PIC16 (8-bit MCU, enhanced mid-range core) |
| CPU Core | PIC16 enhanced mid-range (49 instructions, 16 stack levels) |
| Bề rộng đường dữ liệu | 8 bit |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| Data RAM | 512 B |
| Maximum CPU Frequency | 20 MHz |
| Điện áp cung cấp hoạt động | 1.8 V to 3.6 V |
| ADC Resolution | 10 bit |
| Number of I/Os | 25 I/O |
| Number of ADC Channels | Up to 17 channels |
| Serial Interfaces | MI2C, SPI |
| Internal Oscillator | 16 MHz (factory calibrated) |
| Low-Power Technology | nanoWatt XLP |
| Brown-Out Reset | Programmable BOR |
| Programming/Debug | ICSP, in-circuit debug (no debug header required) |
| Hộp | 28-pin SPDIP (0.300 inch, 7.62 mm) |
| Kiểu lắp đặt | Through-Hole |
| Nhiệt độ hoạt động | -40 C to +85 C (Industrial, I grade) |
| Lead-Free / RoHS | Compliant |
| Cấp MSL | 1 (per through-hole JEDEC J-STD-020) |
Cấu hình chân PIC16LF1516-I/SP
| Chân 1 | RA3/AN3 — Port A bit 3 / Analog input 3 |
| Chân 2 | RA4/AN4 — Port A bit 4 / Analog input 4 |
| Chân 3 | RA5/AN5 — Port A bit 5 / Analog input 5 |
| Chân 4 | RA6/OSC2 — Port A bit 6 / Oscillator output |
| Chân 5 | RA7/OSC1 — Port A bit 7 / Oscillator input |
| Chân 6 | VDD — Positive supply voltage (1.8 V to 3.6 V) |
| Chân 7 | VSS — Ground reference |
| Chân 8 | RB0/AN12 — Port B bit 0 / Analog input 12 |
| Chân 9 | RB1/AN10 — Port B bit 1 / Analog input 10 |
| Chân 10 | RB2/AN8 — Port B bit 2 / Analog input 8 |
| Chân 11 | RB3/AN9 — Port B bit 3 / Analog input 9 |
| Chân 12 | RB4/AN11 — Port B bit 4 / Analog input 11 |
| Chân 13 | RB5/AN13 — Port B bit 5 / Analog input 13 |
| Chân 14 | RB6/ICSPCLK — Port B bit 6 / ICD clock |
| Chân 15 | RB7/ICSPDAT — Port B bit 7 / ICD data |
| Chân 16 | RC0/SOSCO — Port C bit 0 / SOSC oscillator output |
| Chân 17 | RC1/SOSCI — Port C bit 1 / SOSC oscillator input |
| Chân 18 | RC2 — Port C bit 2 |
| Chân 19 | RC3 — Port C bit 3 |
| Chân 20 | RC4 — Port C bit 4 |
| Chân 21 | RC5 — Port C bit 5 |
| Chân 22 | RC6 — Port C bit 6 |
| Chân 23 | RC7 — Port C bit 7 |
| Chân 24 | RA0/AN0 — Port A bit 0 / Analog input 0 |
| Chân 25 | RA1/AN1 — Port A bit 1 / Analog input 1 |
| Chân 26 | RA2/AN2 — Port A bit 2 / Analog input 2 |
| Chân 27 | MCLR/VPP — Reset input / Programming voltage |
| Chân 28 | VDD — Positive supply voltage (1.8 V to 3.6 V) |
Ứng dụng tiêu biểu
PIC16LF1516-I/SP phù hợp cho 6 Áp dụngs: Battery-Powered IoT Sensor Nodes, Low-Power Remote Controls, Consumer Appliance HMI Controllers, Industrial Sensor Conditioning, Hobbyist and Educational MCU Projects, HVAC and Building Automation.
Battery-Powered IoT Sensor Nodes
The PIC16LF1516-I/SP is well suited to battery-powered IoT sensor nodes thanks to its 1.8 V to 3.6 V supply range and nanoWatt XLP sleep modes drawing sub-microamp current, allowing multi-year operation on two AA cells. The 14 KB Flash accommodates small C-based sensor stacks (e.g., SHT3x temperature/humidity polling via MI2C) and the 17-channel 10-bit ADC handles multiple analog sensors without external multiplexing. The internal 16 MHz oscillator eliminates external crystal cost. Trade-off: 512 B RAM limits buffer depth for high-rate sensor streaming, so design buffering around this constraint.
Được đề xuất
Low-Power Remote Controls
Remote controls for consumer electronics benefit from the PIC16LF1516-I/SP's XLP sleep currents and MI2C/SPI interfaces for keypad scanning and IR LED modulation. The 25 I/O pins handle matrix keypads (e.g., 4x4 = 8 I/O) plus indicator LEDs and IR transmit drivers, while the 14 KB Flash fits button debounce, IR protocol stacks (NEC, RC5), and wake-on-interrupt routines. Industrial -40C to +85C temperature grade covers indoor and automotive cabin use. Power budget: typical IR transmit at 3 V draws tens of mA, but average current drops to microamps in sleep.
Được đề xuất
Consumer Appliance HMI Controllers
Small consumer appliances (coffee makers, fans, kitchen scales) integrate the PIC16LF1516-I/SP for front-panel control loops, button inputs, and LED/PWM outputs. The 10-bit ADC reads load-cell sensors or potentiometers accurately enough for appliance-class applications, and the 25 I/O drive LED arrays, seven-segment displays, or simple character LCDs without external drivers. The 28-SPDIP through-hole package simplifies hand-assembly and rework for low-to-mid volume products.
Được đề xuất
Industrial Sensor Conditioning
Industrial sensors requiring galvanic isolation or signal conditioning leverage the PIC16LF1516-I/SP's 10-bit ADC, MI2C, and SPI peripherals for bridge-sensor excitation, amplification control, and digital output formatting. The 28-SPDIP package suits industrial enclosure assembly where through-hole parts withstand vibration better than SMD. Programmable BOR ensures clean resets in noisy industrial environments, while XLP sleep modes enable field-mounted wireless sensor nodes. -40C to +85C industrial temp range covers most factory and outdoor installations.
Được đề xuất
Hobbyist and Educational MCU Projects
The PIC16LF1516-I/SP is a popular 8-bit MCU for hobbyists and educators because the 28-SPDIP package drops directly into breadboards and through-hole stripboard, eliminating soldering for learning. 14 KB Flash supports moderately complex C projects, and MPLAB X IDE plus XC8 compiler are free for non-commercial use. The PICkit 3 / Snap programmer enables in-circuit debug without a separate debug header, making this a low-friction learning platform for embedded systems courses and DIY makers.
Được đề xuất
HVAC and Building Automation
HVAC zone controllers and building automation subsystems use the PIC16LF1516-I/SP to interface with thermistors (via 10-bit ADC), damper actuators (via PWM), and HVAC bus networks (via MI2C). The 14 KB Flash fits small Modbus/Modbus-RTU or BACnet stack fragments, and the 1.8-3.6 V range supports 3.3 V system rails directly. Programmable BOR ensures stable operation across brown-out events common in legacy building electrical systems. Industrial -40C to +85C operating range handles mechanical rooms and rooftop units.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16LF1516-I/SP — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | PIC16F1516-I/SP | PIC16LF1516-I/SO | PIC16LF1516T-I/SO | PIC16LF1516-E/SO | PIC16LF1512-I/SP |
|---|---|---|---|---|---|---|
| Package | 28-SPDIP (TH) | 28-SPDIP (TH) - same | 28-SOIC (SMD) - same pinout, SMD | 28-SOIC (SMD, T&R) - same pinout | 28-SOIC (SMD) - same pinout, extended temp | 28-SPDIP (TH) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Supply Voltage | 1.8 V to 3.6 V | 2.3 V to 5.5 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| Flash Memory | 14 KB | 14 KB | 14 KB | 14 KB | 14 KB | 8 KB |
| RAM | 512 B | 512 B | 512 B | 512 B | 512 B | 256 B |
| CPU Clock | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Temperature Grade | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) |
| ADC Resolution | 10 bit | 10 bit | 10 bit | 10 bit | 10 bit | 10 bit |
Bảo phân biệt quan trọng
- 1.8 V to 3.6 V low-voltage operation vs F variant 2.3-5.5 V (vsPIC16F1516-I/SP)
- Through-hole SPDIP for hand-soldering and breadboards (vsPIC16LF1516-I/SO)
- Larger Flash and RAM than cost-optimized sibling (vsPIC16LF1512-I/SP)
Ghi chú thiết kế
Decoupling: place a 100 nF ceramic capacitor as close as possible to each VDD/VSS pin pair (pin 6/7 and pin 28/27 on 28-SPDIP) plus a bulk 10 uF tantalum or ceramic on the main VDD rail. For battery applications using the 1.8 V to 3.6 V LF range, keep VDD ramp monotonic on power-up to avoid BOR-induced resets; Microchip datasheet recommends a rise time of 0.05 V/ms to 1.5 V/ms. For noise-sensitive ADC readings, add a small ferrite bead or 10 ohm resistor in series with AVdd if separated from Vdd.
Layout for 28-SPDIP: route the ICSP pins (RB6/RB7 = pins 14/15) close to the ICSP header pads to keep programming cables short and avoid stubs. Place the 32.768 kHz SOSC crystal (pins 16/17) within 5 mm of RC0/RC1 with a ground guard trace to minimize stray capacitance. Keep ADC analog traces (RA0-RA7, RB0-RB5) away from switching digital traces to preserve 10-bit ADC accuracy; the datasheet shows typical INL/DNL of +/- 1 LSB.
Common pitfalls with the PIC16LF1516-I/SP: (1) MCLR (pin 27) must NOT be left floating - tie to VDD through a 10 kohm pull-up, or to a proper reset circuit. (2) When using the internal 16 MHz oscillator, ensure OSCCON is correctly configured for HFINTOSC and the PLL is disabled to stay within the 1.8-3.6 V spec. (3) The LF (low-voltage) variant cannot be operated at 5 V - if 5 V is needed, switch to PIC16F1516-I/SP. (4) 512 B RAM is shared with stack; deep call chains can overflow RAM.
Thông tin tuân thủ
RoHS and lead-free per Microchip product page and DigiKey listing. AEC-Q100 not applicable - this is an industrial-grade MCU, not automotive-qualified. Halogen-free status not specified in verified data.
