PIC16F506-E/SL - 8-Bit Flash MCU, 1.5KB | Microchip
MPN: PIC16F506-E/SL ✓ Hoạt độngPIC16F506-E/SL Tóm tắt
What is an 8-bit PIC microcontroller? An 8-bit PIC (Peripheral Interface Controller) is a RISC-based microcontroller belonging to the PIC16 mid-range family. It belongs to the broader hierarchy of microcontroller (MCU) -> embedded controller -> semiconductor device, executing one instruction per clock cycle from a small, deterministic instruction set. Flash-based variants like the PIC16F506 allow in-system re-programming via ICSP (In-Circuit Serial Programming), which reduces development time and supports field firmware updates. The PIC16F506 specifically sits in the cost-optimized 8/14-pin segment, balancing minimal footprint with sufficient peripherals (ADC, comparators, timers) for compact control tasks.
Key specifications include three channels of 8-bit ADC, two on-board comparators, a 33-instruction baseline core with 2 stack levels, and a 1.125ms Device Reset Timer (DRT). The internal 4 MHz or 8 MHz precision oscillator eliminates the need for an external crystal in many designs, reducing BOM cost. Watchdog Timer with on-chip RC oscillator, power-on reset, and brown-out detection provide robust supply supervision for unattended operation. The 12-bit-wide instruction word and single-cycle execution deliver deterministic throughput needed for real-time control loops.
The PIC16F506 architecture uses a Harvard bus topology with separate program and data paths, letting the CPU fetch instructions while simultaneously accessing SRAM. The baseline core (33 instructions) reduces code-density overhead and simplifies assembly programming while C compilers (MPLAB XC8) target the same ISA. The 8-bit datapath, 2-level hardware stack, and 12-bit instruction width limit absolute code size but provide responsive interrupt handling for simple real-time workloads.
Typical applications include LED driver controllers, small appliance controls, sensor signal conditioning, remote controls, and battery-powered devices with low pin-count requirements. Designers often choose the PIC16F506 for low-cost, high-volume products that need just enough compute and I/O without paying for unused peripherals.
Design consideration: ensure adequate decoupling (100nF + 10uF) close to VDD, and use an external pull-up on MCLR if hardware reset is desired. Take care with the I/O pin count - 12 I/O pins is the maximum assuming no oscillator or reset functions are shared.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
Bộ thay thế dễ dàng lắp đặt cho PIC16F506-E/SL — 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 PIC16F506-E/SL (cùng hình factor và footprint) — khác nhau ở ADC, Internal Oscillator, Operating Temperature, Package, Timers.
PIC16F506-I/SL
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16F506-E/P
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F506-E/MG
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F505-E/P
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F505-I/P
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F506-E/SL Tỷ lệ tối đa & tính chất điện
| Core Architecture | PIC16 (8-bit RISC, baseline) |
| Program Memory | 1.5 KB Flash |
| RAM | 67 bytes |
| Tần số xung maksimum | 20 MHz |
| Instruction Set | 33 instructions (baseline core) |
| Stack Levels | 2 (hardware) |
| Supply Voltage (VDD) | 4.5 V to 5.5 V |
| I/O Pins | 12 |
| ADC | 3 channels x 8-bit |
| Comparators | 2 on-board |
| Internal Oscillator | Precision 4 MHz / 8 MHz selectable |
| Device Reset Timer | 1.125 ms (DRT) |
| Hộp | 14-pin SOIC (SO-14, SL suffix) |
| Nhiệt độ hoạt động | -40C to +125C (extended, -E suffix) |
| Trạng thái RoHS | Compliant |
| Lead-Free | Yes |
Cấu hình chân PIC16F506-E/SL
| Chân 1 | VDD — Positive supply voltage (4.5V to 5.5V) |
| Chân 2 | RA5/OSC1 — I/O port RA5 / external oscillator input |
| Chân 3 | RA4/OSC2/CLKOUT — I/O port RA4 / external oscillator output / clock out |
| Chân 4 | RA3/MCLR/VPP — I/O port RA3 / Master Clear reset (active low) / programming voltage |
| Chân 5 | RC5 — I/O port RC5 |
| Chân 6 | RC4 — I/O port RC4 |
| Chân 7 | RC3 — I/O port RC3 |
| Chân 8 | RC2 — I/O port RC2 |
| Chân 9 | RC1 — I/O port RC1 |
| Chân 10 | RC0 — I/O port RC0 |
| Chân 11 | RA2 — I/O port RA2 |
| Chân 12 | RA1 — I/O port RA1 |
| Chân 13 | RA0 — I/O port RA0 |
| Chân 14 | VSS — Ground reference |
Ứng dụng tiêu biểu
PIC16F506-E/SL phù hợp cho 6 Áp dụngs: LED Strip / Driver Controllers, Battery-Powered Sensor Nodes, Compact Home Appliance Controls, Remote Control / IR Transmitter Keysets, Toy and Hobby Electronics, Industrial Supervisory Sensors.
LED Strip / Driver Controllers
The PIC16F506-E/SL fits LED driving controllers because its 3 ADC channels sense supply voltage and current feedback while its 12 I/O pins drive multiple PWM-controlled MOSFETs. The 20 MHz clock delivers 5 MIPS, sufficient for smooth dimming without dedicated PWM peripherals. Internal 8 MHz oscillator removes the need for an external crystal, saving BOM cost. Compared with a discrete logic design, the PIC integrates timing, ADC, and 33-instruction RISC control in a single SOIC-14 chip.
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Battery-Powered Sensor Nodes
The PIC16F506-E/SL is suited to battery-powered sensor modules because its 8-bit baseline core, 67 bytes RAM, and 1.5 KB Flash minimize active-mode power while leaving headroom for ADC sampling and threshold detection. The extended -40C to +125C temperature range is ideal for outdoor or industrial sensor placements. Sleep mode current is in the microamp range, supporting coin-cell or lithium-thionyl chloride operation for years. The 12 I/O allow connection to multiple analog sensor outputs simultaneously.
Được đề xuất
Compact Home Appliance Controls
The PIC16F506-E/SL handles small appliance controls (coffee makers, humidifiers, fan controllers) thanks to its 3 ADC channels for thermistor sensing, 2 on-chip comparators for over-temperature cutoff, and 12 I/O for relay, button, and LED matrix interfacing. The 33-instruction baseline core keeps firmware simple, and the SOIC-14 package is friendly to hand-soldered prototypes and low-cost SMT assembly lines. Extended temperature rating supports kitchen and laundry environments where heat spikes to 100C+ near heating elements.
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Remote Control / IR Transmitter Keysets
For handheld remote controls, the PIC16F506-E/SL provides reliable wake-from-sleep response, 1.5 KB Flash for protocol tables, and 33-instruction RISC core for low-latency button debouncing. The 14-pin SOIC fits slim keyset enclosures, and the internal 4/8 MHz oscillator removes mechanical-vibration-sensitive crystals. Compared with application-specific encoder ICs, the PIC16F506 lets OEMs upgrade IR protocols by reflashing Flash without hardware changes.
Được đề xuất
Toy and Hobby Electronics
Toy designers choose the PIC16F506-E/SL because its $0.54 unit price at qty 1000 keeps bill-of-materials cost low while delivering 12 I/O to drive LEDs, motors, and sound modules. The Flash memory supports easy firmware updates, and the 2-level hardware stack is sufficient for straightforward sequencing tasks. The extended temperature grade covers outdoor and summer-temperature toy use. Internal oscillator eliminates external components, simplifying toy-grade PCBs and assembly.
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Industrial Supervisory Sensors
In factory automation nodes, the PIC16F506-E/SL's -40C to +125C extended temperature grade is a key fit for cabinets and motor-adjacent installations. Its three 8-bit ADC channels monitor supply rail, motor current shunt, and thermistor simultaneously, while the on-chip comparators provide fast hardware threshold detection for overcurrent events. With 1.5 KB Flash and 67 bytes RAM, the part handles periodic sensor polling and Modbus-like ASCII protocol generation in master/slave daisy chains.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16F506-E/SL — 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 | PIC16F506-I/SL | PIC16F506-E/P | PIC16F506-E/MG | PIC16F505-E/P | PIC16F505-I/P |
|---|---|---|---|---|---|---|
| Package | 14-pin SOIC (SL) | 14-pin SOIC (SL) - same SOIC-14 footprint | 14-pin PDIP (P) - through-hole DIP-14 | 14-pin MSOP/DFN (MG) - smaller SMD | 14-pin PDIP (P) - through-hole DIP-14 | 14-pin PDIP (P) - through-hole DIP-14 |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 1.5 KB | 1.5 KB | 1.5 KB | 1.5 KB | 1.5 KB | 1.5 KB |
| RAM | 67 bytes | 67 bytes | 67 bytes | 67 bytes | 72 bytes | 72 bytes |
| ADC Channels | 3 x 8-bit | 3 x 8-bit | 3 x 8-bit | 3 x 8-bit | 0 (no ADC) | 0 (no ADC) |
| Temperature Range | -40C to +125C (E extended) | -40C to +85C (I industrial) | -40C to +125C (E extended) | -40C to +125C (E extended) | -40C to +125C (E extended) | -40C to +85C (I industrial) |
| Operating Voltage | 4.5V to 5.5V | 4.5V to 5.5V | 4.5V to 5.5V | 4.5V to 5.5V | 4.5V to 5.5V | 4.5V to 5.5V |
Bảo phân biệt quan trọng
- Industrial -E extended temperature grade -40C to +125C (vsPIC16F506-I/SL)
- On-chip 3-channel 8-bit ADC for analog sensing (vsPIC16F505-E/P)
- SOIC-14 surface-mount package for high-density assembly (vsPIC16F506-E/P)
Ghi chú thiết kế
Place a 100nF decoupling capacitor as close as physically possible to the VDD pin (pin 1) to suppress high-frequency switching noise from the internal oscillator. For best ADC performance, add a 10uF tantalum or ceramic bulk capacitor in parallel - the ADC's sample-and-hold accuracy degrades if VDD ripple exceeds 50mV during conversion. A low-ESR ceramic on VSS further reduces digital switching noise coupling into analog references.
Route the MCLR/VPP pin (pin 4) carefully during layout. If you disable external reset (by tying MCLR to VDD), you must still preserve in-circuit serial programming (ICSP) access through dedicated test pads - placing the pads near pin 1 and pin 4 lets a programming fixture reach the chip. If you enable external reset with a brown-out detector, add a 10k-100k pull-up to VDD and a 100nF decoupling cap on MCLR to prevent false resets from ringing.
Avoid using RA4 as a digital output for driving loads above 5mA in open-drain applications without an external pull-up: RA4 is a true open-drain output (no internal pull-up) on most PIC16 baseline parts. RA5 is a regular CMOS I/O. Also, the 2-level hardware stack has no overflow indicator - deeply nested subroutines will silently corrupt the program counter. Use assembly-level CALL/RETURN carefully and prefer linear code for safety-critical paths.
Thông tin tuân thủ
RoHS compliant per Microchip product page. -E suffix denotes extended temperature grade, NOT AEC-Q100 automotive qualification. For automotive designs, use PIC16F15324 or other AEC-Q100-qualified PICs.
