PIC16F527-I/SO - 8-Bit 20MHz Microcontroller | Microchip
MPN： PIC16F527-I/SO ✓ 啟用中PIC16F527-I/SO 概覽
A microcontroller is a programmable semiconductor that combines a processor core, program memory, data memory, and peripherals on one integrated circuit. The PIC16F527-I/SO belongs to the PIC16 family of 8-bit microcontrollers, a product category designed for embedded control, low-cost control panels, sensor interfaces, and compact consumer or industrial equipment. Its integrated analog peripherals reduce the need for separate amplifier, comparator, and conversion components in appropriate signal-conditioning designs.
The PIC16F527-I/SO combines 1.5 KB of flash program memory with 1K x 12 word organization, an 8-bit architecture, and a maximum indicated operating frequency of 20 MHz. The manufacturer product page identifies the on-board ADC, dual op amps, and two comparators as defining features. The Mouser listing also identifies an 8 MHz oscillator, while the DigiKey listing identifies the device as a 20 MHz PIC16 8-bit flash microcontroller.
The integrated analog blocks are the main functional distinction in this device family. An ADC converts an analog input into a digital value for firmware processing, comparators provide threshold-style switching functions, and operational amplifiers support signal amplification and conditioning when the circuit requirements match the device's electrical limits. Because these functions are integrated, designers can reduce board area and component count, but they must still check pin multiplexing, analog supply requirements, output limits, and common-mode constraints in the manufacturer datasheet.
Typical uses include small environmental controllers, temperature-measurement products, analog alarm or threshold modules, compact appliance controls, sensor-conditioning boards, and low-cost industrial interface modules. A PIC16F527-I/SO-based design can combine digital control logic with analog sensing in one package, provided the selected operating mode, clock configuration, and peripheral assignments are supported by the specific pins used.
For PCB implementation, treat the 20-SOIC footprint and every pin assignment as controlled by the manufacturer pin-description table. Keep analog and digital return paths disciplined, place bypass capacitors close to the relevant supply pins, and verify oscillator, programming, and analog-reference connections against the manufacturer datasheet before releasing a layout.
This page combines manufacturer and distributor technical information, application guidance, design considerations, and a structured comparison framework. It focuses on engineering decisions that matter after confirming the exact suffix, package, electrical limits, and available quantity through the Request a Quote form on this page.
直接替換替代品，適用於 PIC16F527-I/SO — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： PIC16F527-I/SO （相同外形與佔位） — 差異在於 ADC, Comparators, Operational Amplifiers, Package, Core Architecture.
此產品無可直接替換的替代品。
申請替代品PIC16F527-I/SO 最大額定值與電氣特性
| Product Type | 8-bit Flash PIC Microcontroller |
| Architecture | 8-bit |
| Maximum Listed Frequency | 20 MHz |
| Program Memory | 1.5 KB Flash |
| Program Memory Organization | 1K x 12 words |
| ADC | On-board 8-bit ADC |
| Operational Amplifiers | 2 integrated op amps |
| Comparators | 2 integrated comparators |
| Oscillator | 8 MHz listed oscillator |
| 封裝 | 20-SOIC |
| Package Width | 7.50 mm |
| 安裝類型 | Surface Mount |
| Programmable Memory | Flash programmable |
| Temperature Grade | Industrial temperature range indicated by -I suffix |
| Core | PIC16 8-bit MCU core |
| ADC Resolution | 8 bit |
PIC16F527-I/SO 腳位配置
| 腳位 1 | [DATA_NEEDED: pin 1 name] — Use the manufacturer pin-description table for the exact PIC16F527-I/SO pin assignment. |
| 腳位 2 | [DATA_NEEDED: pin 2 name] — Use the manufacturer pin-description table for the exact PIC16F527-I/SO pin assignment. |
| 腳位 3 | [DATA_NEEDED: pin 3 name] — Use the manufacturer pin-description table for the exact PIC16F527-I/SO pin assignment. |
| 腳位 4 | [DATA_NEEDED: pin 4 name] — Use the manufacturer pin-description table for the exact PIC16F527-I/SO pin assignment. |
| 腳位 5 | [DATA_NEEDED: pin 5 name] — Use the manufacturer pin-description table for the exact PIC16F527-I/SO pin assignment. |
| 腳位 6 | [DATA_NEEDED: pin 6 name] — Use the manufacturer pin-description table for the exact PIC16F527-I/SO pin assignment. |
| 腳位 7 | [DATA_NEEDED: pin 7 name] — Use the manufacturer pin-description table for the exact PIC16F527-I/SO pin assignment. |
| 腳位 8 | [DATA_NEEDED: pin 8 name] — Use the manufacturer pin-description table for the exact PIC16F527-I/SO pin assignment. |
| 腳位 9 | [DATA_NEEDED: pin 9 name] — Use the manufacturer pin-description table for the exact PIC16F527-I/SO pin assignment. |
| 腳位 10 | [DATA_NEEDED: pin 10 name] — Use the manufacturer pin-description table for the exact PIC16F527-I/SO pin assignment. |
| 腳位 11 | [DATA_NEEDED: pin 11 name] — Use the manufacturer pin-description table for the exact PIC16F527-I/SO pin assignment. |
| 腳位 12 | [DATA_NEEDED: pin 12 name] — Use the manufacturer pin-description table for the exact PIC16F527-I/SO pin assignment. |
| 腳位 13 | [DATA_NEEDED: pin 13 name] — Use the manufacturer pin-description table for the exact PIC16F527-I/SO pin assignment. |
| 腳位 14 | [DATA_NEEDED: pin 14 name] — Use the manufacturer pin-description table for the exact PIC16F527-I/SO pin assignment. |
| 腳位 15 | [DATA_NEEDED: pin 15 name] — Use the manufacturer pin-description table for the exact PIC16F527-I/SO pin assignment. |
| 腳位 16 | [DATA_NEEDED: pin 16 name] — Use the manufacturer pin-description table for the exact PIC16F527-I/SO pin assignment. |
| 腳位 17 | [DATA_NEEDED: pin 17 name] — Use the manufacturer pin-description table for the exact PIC16F527-I/SO pin assignment. |
| 腳位 18 | [DATA_NEEDED: pin 18 name] — Use the manufacturer pin-description table for the exact PIC16F527-I/SO pin assignment. |
| 腳位 19 | [DATA_NEEDED: pin 19 name] — Use the manufacturer pin-description table for the exact PIC16F527-I/SO pin assignment. |
| 腳位 20 | [DATA_NEEDED: pin 20 name] — Use the manufacturer pin-description table for the exact PIC16F527-I/SO pin assignment. |
典型應用
PIC16F527-I/SO 適用於 6 應用s: Environmental Sensor Interface, Temperature Monitoring Controller, Appliance Control Panel, Analog Signal Conditioner, Battery-Powered Sensor Node, Threshold Alarm Module.
Environmental Sensor Interface
The PIC16F527-I/SO is suitable for a compact environmental controller that reads a resistive or analog sensor and converts the measurement through its onboard 8-bit ADC. Firmware can apply calibration, filtering, thresholds, and hysteresis while the two comparators support rapid limit detection. The 1.5 KB of flash provides 1K x 12 words of program space for a compact control routine. Place the sensor near the ADC input, keep the analog trace short, and verify the source impedance and acquisition-time requirements in the manufacturer datasheet before choosing the sampling interval.
推薦
Temperature Monitoring Controller
A PIC16F527-I/SO-based temperature controller can digitize a sensor through its 8-bit ADC and use two comparators or software thresholds for alarm states. The flash-programmable architecture supports field configuration and production programming, while the 1K x 12-word program organization suits compact control code. Choose an operating clock within the documented limits, stabilize the ADC reference, and separate analog input routing from switching outputs to reduce conversion disturbance. The design must also include a defined fault response for sensor open-circuit or out-of-range conditions.
推薦
Appliance Control Panel
The PIC16F527-I/SO can manage buttons, indicators, relays, and analog feedback in a compact appliance-control panel. Its 8-bit architecture is appropriate for straightforward supervisory logic, while the ADC can monitor a potentiometer, divider, or sensor level. The two comparators can provide additional threshold inputs without relying only on periodic ADC readings. Firmware should include debouncing, contact-state handling, output timeouts, and safe defaults. PCB routing should keep high-current switching loops away from sensitive analog inputs and provide local bypass capacitance at the device supply pins.
推薦
Analog Signal Conditioner
The two integrated operational amplifiers make the PIC16F527-I/SO relevant to small analog signal-conditioning modules. A dual op amp can buffer or amplify sensor outputs before comparison or ADC conversion, reducing the need for separate amplifiers when the circuit stays within the documented input, output, and supply limits. Because the analog pins may be shared with digital functions, firmware configuration and board routing must be planned together. Check input common-mode range, output drive, noise behavior, stability requirements, and whether the selected pins support the intended analog configuration.
推薦
Battery-Powered Sensor Node
A PIC16F527-I/SO sensor node can use the 8-bit core for local measurement, threshold decisions, and data formatting while the ADC and comparators reduce external analog-component count. Its 1.5 KB of flash is appropriate for compact firmware, and the flash-programmable construction supports repeatable production configuration. Low-power design still requires attention to clock selection, unused-pin states, ADC enable timing, and the behavior of the integrated analog blocks. Confirm the current, sleep, and operating-mode specifications from the manufacturer datasheet before estimating battery life.
推薦
Threshold Alarm Module
The PIC16F527-I/SO can implement an autonomous threshold-alarm module using its two comparators for fast switching decisions and the ADC for a more detailed measurement. This mixed approach can reduce the workload placed on firmware polling and provide a straightforward way to detect upper and lower limits. A 20-SOIC package supports compact single-board construction, while flash programming simplifies repeatable firmware updates. Design the input network so signal levels remain within comparator limits, account for input offset and noise in the threshold margin, and define how alarm outputs behave during reset.
推薦
工程參考資料，適用於 PIC16F527-I/SO — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 |
|---|---|
| Package | 20-SOIC |
| Brand | Microchip Technology |
| Architecture | 8-bit |
| Maximum Listed Frequency | 20 MHz |
| Flash Program Memory | 1.5 KB (1K x 12) |
| ADC | On-board 8-bit ADC |
| Operational Amplifiers | 2 |
| Comparators | 2 |
| Oscillator | 8 MHz listed oscillator |
| Programmable Memory | Flash programmable |
設計說明
Build the PCB from the manufacturer package drawing and pin-description table rather than a generic 20-SOIC footprint. Confirm lead pitch, body width, and pad length, then assign every analog and digital function against the exact 20-pin map. Place required bypass capacitors close to their supply pins and route the ADC input as a short, quiet trace away from switching-node copper.
The ADC, comparators, and dual op amps make analog routing sensitive to digital activity. Use a continuous ground reference, minimize loop area around analog inputs, keep switching outputs physically separate, and avoid routing clock or programming signals beneath sensitive analog nodes. Validate the final arrangement with oscilloscope measurements because the 8-bit conversion resolution does not remove errors caused by noise, grounding, or source impedance.
Do not treat PIC16F527-I/SO as a generic 20-pin MCU replacement without checking alternate-function assignments. The 1.5 KB Flash memory is organized as 1K x 12 words, so code-size assumptions must use the correct program-memory unit. Also verify clock, supply, programming, ADC-reference, and analog-input limits from the manufacturer datasheet before schematic release.
合規資訊
Compliance attributes were not stated in the manufacturer and distributor listing excerpts. Confirm current declarations with Microchip Technology using the exact PIC16F527-I/SO ordering code.