PIC16F527T-I/SS - 8-bit PIC MCU, 1.5KB Flash, 20MHz | Microchip
MPN: PIC16F527T-I/SS ✓ Hoạt độngPIC16F527T-I/SS Tóm tắt
A microcontroller (MCU) is a single-chip computer that combines a CPU core, program and data memory, peripheral set, and I/O on one die. Within the broader semiconductor hierarchy, MCUs belong to the embedded processor class; PIC16F527 specifically sits inside Microchip's baseline PIC16 family using a 12-bit instruction word and 200 ns instruction execution, which sits under the 8-bit RISC umbrella and ultimately under embedded computing. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet alone.
Key features include 1.5KB (1K x 12) of self-programmable Flash, 68 bytes of RAM, an 8-bit A/D converter, two on-chip comparators, two operational amplifiers, an internal 8MHz RC oscillator (with 20MHz max instruction clock from external), and a wide 2.0-5.5V operating range. The /SS suffix denotes the SSOP-20 package, while the trailing T indicates tape-and-reel packaging for high-volume assembly.
Technically, the PIC16F527 uses a Harvard architecture with separate program and data buses, which lets it fetch instructions while simultaneously reading data. The integrated analog peripherals eliminate external op-amps and comparators, reducing PCB area and BOM cost for sensor-conditioning and closed-loop control designs.
Typical applications include sensor signal conditioning, battery-powered low-cost control, capacitive touch sensing, switch-mode power supply housekeeping, and consumer appliance control. The combination of on-chip analog + 8-bit core is uniquely suited to mixed-signal designs that must minimize external components.
When designing with the PIC16F527, remember the SSOP-20 footprint requires PCB layout that follows Microchip's recommended land pattern, and the internal oscillator accuracy (typically ±1% after calibration) may be inadequate for asynchronous serial communications without external crystal.
This page consolidates pricing tiers, drop-in same-package replacements, side-by-side comparison data, and engineering guidance tailored for design engineers evaluating this MCU for new designs or as a pin-compatible second source.
Bộ thay thế dễ dàng lắp đặt cho PIC16F527T-I/SS — 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 PIC16F527T-I/SS (cùng hình factor và footprint) — khác nhau ở Package, ADC, I/O Pins, Internal Oscillator, Core Architecture.
PIC16F527-I/SS
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16F527-E/SS
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC16F527-I/GZ
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F527T-I/SS Tỷ lệ tối đa & tính chất điện
| Core Architecture | PIC 8-bit RISC (Harvard) |
| Program Memory | 1.5 KB Flash (1K x 12 words) |
| Data Memory (RAM) | 68 bytes |
| Instruction Word Width | 12 bits |
| Instruction Execution Time | 200 ns (5 MHz instruction rate) at 20 MHz clock |
| Tần số xung maksimum | 20 MHz |
| Internal Oscillator | 8 MHz RC (±1% typical after calibration) |
| Operating Voltage Range | 2.0 V to 5.5 V |
| I/O Pins | 17 (approx., per 20-pin SSOP) |
| ADC | 8-bit, multi-channel |
| Comparators | 2 on-chip |
| Operational Amplifiers | 2 on-chip |
| Hộp | 20-pin SSOP (5.30 mm body width) |
| Khoảng nhiệt độ hoạt động | -40C to +85C (Industrial, /I suffix) |
| Packaging Form | Tape and Reel (T suffix) |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC16F527T-I/SS
| Chân 1 | RA0/AN0/C1IN+/OPA1IN+ — Digital I/O / ADC input / comparator input / op-amp input |
| Chân 2 | RA1/AN1/C1IN-/OPA1IN- — Digital I/O / ADC input / comparator input / op-amp input |
| Chân 3 | RA2/AN2/C2IN+/OPA2IN+ — Digital I/O / ADC input / comparator input / op-amp input |
| Chân 4 | RA3/AN3/C2IN-/OPA2IN- — Digital I/O / ADC input / comparator input / op-amp input |
| Chân 5 | RA4/AN4/C1OUT/OPA1OUT — Digital I/O / ADC input / comparator output / op-amp output |
| Chân 6 | RA5/AN5/C2OUT/OPA2OUT — Digital I/O / ADC input / comparator output / op-amp output |
| Chân 7 | VSS — Ground reference |
| Chân 8 | RB0/ICSPDAT — Digital I/O / ICSP data |
| Chân 9 | RB1/ICSPCLK — Digital I/O / ICSP clock |
| Chân 10 | RB2 — Digital I/O |
| Chân 11 | RB3/MCLR — Digital I/O / Master Clear (reset) |
| Chân 12 | RB4 — Digital I/O |
| Chân 13 | RB5 — Digital I/O |
| Chân 14 | RB6/AN6 — Digital I/O / ADC input |
| Chân 15 | RB7/AN7 — Digital I/O / ADC input |
| Chân 16 | VDD — Positive supply voltage |
| Chân 17 | RC0 — Digital I/O |
| Chân 18 | RC1 — Digital I/O |
| Chân 19 | RC2 — Digital I/O |
| Chân 20 | RC3 — Digital I/O |
Ứng dụng tiêu biểu
PIC16F527T-I/SS phù hợp cho 6 Áp dụngs: Battery-Powered Sensor Conditioning, Capacitive Touch Sensing, SMPS Housekeeping & Monitoring, Consumer Appliance Control, LED Lighting Driver Control, Automotive Body Electronics (Non-Safety).
Battery-Powered Sensor Conditioning
The PIC16F527T-I/SS is uniquely suited to battery-powered sensor nodes because its two on-chip op-amps eliminate the external signal-conditioning circuitry that would otherwise drain quiescent current. Operating from 2.0V to 5.5V, it runs directly from a single Li-ion or 2xAA cell stack with no LDO required for low VIN rails. The integrated 8-bit ADC samples the conditioned sensor signal at the 20 MHz instruction rate, while the 8 MHz internal RC oscillator provides the timing reference without external crystals. Compared to a discrete op-amp + external ADC + 8-bit MCU approach, this single-chip solution cuts BOM by 3-4 components and total quiescent current by 30-50%. The SSOP-20 footprint suits compact wearable and IoT sensor PCBs.
Được đề xuất
Capacitive Touch Sensing
The PIC16F527T-I/SS implements capacitive touch sensing by using its on-chip comparators and op-amps to detect small capacitance changes on sense electrodes without dedicated touch hardware. The 200 ns instruction execution supports fast charge/discharge cycle measurements across multiple touch pads, while the 17 I/O pins accommodate up to 8-12 touch channels plus LED feedback. The wide 2.0-5.5V operating range enables both 3.3V and 5V touch panel designs from a single MCU. Compared to discrete touch-IC + MCU solutions, this integrated approach reduces PCB area and BOM cost while leveraging Microchip's mTouch software library.
Được đề xuất
SMPS Housekeeping & Monitoring
Switch-mode power supplies benefit from the PIC16F527T-I/SS as a low-cost housekeeping controller that monitors output voltage, current, and temperature via its 8-bit ADC and dual comparators. The two integrated op-amps can implement current-sense amplification and soft-start ramp generation, replacing external analog ICs. The 20 MHz instruction rate handles digital control loops at typical switching frequencies up to 100 kHz. The SSOP-20 package fits secondary-side housekeeping PCBs in AC-DC and DC-DC converters. Compared to using a dedicated analog controller, this approach adds digital communication and telemetry capability at minimal incremental cost.
Được đề xuất
Consumer Appliance Control
The PIC16F527T-I/SS targets low-to-mid complexity consumer appliances - small kitchen appliances, personal care devices, and simple HVAC controls - where its integrated analog reduces external component count. The 1.5KB Flash holds typical appliance state machines, while the 8-bit ADC reads temperature sensors, potentiometers, or current shunts. The dual comparators implement over-current and over-temperature protection without external supervisor ICs. Industrial temperature grade (-40C to +85C) handles appliance thermal environments. Compared to higher-pin-count PIC16F1xxx parts, this MCU minimizes PCB area and per-unit cost in cost-sensitive consumer designs.
Được đề xuất
LED Lighting Driver Control
LED driver applications use the PIC16F527T-I/SS as a digital controller for dimming, color mixing, and thermal management of LED arrays. The two on-chip op-amps can implement constant-current driver feedback loops, while the dual comparators enable PWM dimming and over-temperature shutdown. The 8-bit ADC samples light sensor and temperature inputs for closed-loop brightness control. Compared to dedicated LED driver ICs, this MCU-based approach enables dynamic lighting effects, remote control, and smart-home integration at minimal additional cost. The SSOP-20 package fits compact driver PCB form factors used in architectural and accent lighting.
Được đề xuất
Automotive Body Electronics (Non-Safety)
Non-safety automotive body electronics - interior lighting controllers, seat position sensors, mirror adjusters, and accessory modules - benefit from the PIC16F527T-I/SS industrial-grade temperature range and integrated analog. The on-chip op-amps condition position-sensor signals, while the ADC reads switch inputs and potentiometers. Although this part is not AEC-Q100 qualified, designers can use it for non-safety automotive subsystems where the industrial -40C to +85C range meets under-dash thermal requirements. Compared to automotive-qualified PIC16F1xxx parts, this MCU offers cost savings in non-safety body electronics applications.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16F527T-I/SS — 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 | PIC16F527-I/SS | PIC16F527-E/SS | PIC16F527-I/GZ |
|---|---|---|---|---|
| Package | SSOP-20 (5.30 mm) | SSOP-20 (5.30 mm) - same | SSOP-20 (5.30 mm) - same | SSOP-20 (5.30 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory | 1.5 KB Flash | 1.5 KB Flash | 1.5 KB Flash | 1.5 KB Flash |
| RAM | 68 bytes | 68 bytes | 68 bytes | 68 bytes |
| Maximum Clock | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Operating Voltage | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V |
| Temperature Range | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) |
| Integrated Op-Amps | 2 | 2 | 2 | 2 |
| Packaging Form | Tape and Reel (T) | Tube | Tube or Tape (variant) | Tube or Tape (GZ suffix) |
| Approx. Unit Price (1 pc) | $1.18 | ~$1.18 | ~$1.30 | ~$1.20 |
Bảo phân biệt quan trọng
- Two integrated operational amplifiers on-chip (vsPIC16F526T-I/MG)
- Integrated analog (ADC + comparators + op-amps) in a single MCU (vsPIC10F200 baseline PIC)
- 12-bit instruction word baseline architecture with Flash (vsPIC16C505 OTP baseline)
Ghi chú thiết kế
The PIC16F527T-I/SS operates from 2.0-5.5V and draws typical active current in the low-mA range at 20 MHz. For battery-powered designs, leverage the SLEEP/IDLE modes to drop quiescent current to the datasheet-specified sleep value. Decouple VDD with a 100 nF ceramic capacitor placed within 5 mm of the VDD pin, plus a bulk 1-10 uF capacitor if the supply rail is shared with switching loads. The internal 8 MHz RC oscillator eliminates the external crystal and its associated quiescent current.
For the SSOP-20 package, follow Microchip's recommended land pattern with thermal pad stitching if high GPIO toggle rates are used. Route the ICSPDAT and ICSPCLK lines (RB0/RB1) away from switching power traces to prevent programming/debugging interference. Place analog inputs (RA0-RA5) on inner PCB layers if possible to reduce coupled noise from digital I/O; add a ground guard ring around sensitive analog traces.
Do not assume the internal 8 MHz RC oscillator is accurate enough for UART baud rates without calibration - perform OSCTUNE calibration in firmware or use an external crystal. The 12-bit instruction word means each Flash word is 12 bits (not 14 or 16 like mid-range PIC), so ensure your C compiler / assembler is configured for baseline PIC16F devices. The MCLR pin (RB3) must be pulled high via a 10 kohm resistor for normal operation; leaving it floating causes intermittent resets.
At 20 MHz and 5.5V VDD, the PIC16F527T-I/SS dissipation is typically under 50 mW, well within SSOP-20 thermal limits without forced cooling. Estimated: SSOP-20 theta_JA is approximately 100 C/W on a 4-layer JEDEC test board, yielding a 5 C rise above ambient at full-clock operation. Industrial -40C to +85C temperature range is achievable without derating under standard conditions.
Thông tin tuân thủ
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified - choose PIC16F1xxx AEC-Q100 parts for automotive safety applications.
