PIC16F527T-I/JP - 8-bit 20MHz MCU 1.5KB Flash 20-UQFN | Microchip
MPN: PIC16F527T-I/JP ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.62 | $1.62 |
| 10 | $1.49 | $14.90 |
| 100 | $1.32 | $132.00 |
| 500 | $1.18 | $590.00 |
| 1,000 | $1.05 | $1,050.00 |
PIC16F527T-I/JP Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), data memory (RAM), and a configurable set of peripheral blocks such as timers, ADC, comparators, and communication interfaces. Within the broader taxonomy, the PIC16F527 belongs to the 8-bit microcontroller -> microcontroller IC -> embedded controller -> semiconductor family. Its integrated analog peripherals distinguish it from purely digital MCUs, making it a hybrid MCU-plus-Analog device.
The PIC16F527 differentiates itself with integrated analog resources including an 8-bit ADC, two operational amplifiers, and two analog comparators. These on-chip analog blocks enable direct sensor conditioning and signal processing without external op-amps or analog front-end ICs. The 1.5KB Flash supports small in-application firmware upgrades, and the 64 bytes of data RAM provide working storage for sensor sampling loops. The 20MHz internal oscillator eliminates external crystal requirements in cost-sensitive designs.
Architecturally the PIC16F527 uses Microchip's enhanced mid-range 8-bit core with a 14-bit instruction word and a 12-bit program counter resolution, which is why memory is specified as 1K x 12 rather than 1K x 8. The Harvard architecture separates program and data buses for deterministic instruction throughput. The wide operating voltage range (typically 2.0V to 5.5V) and low-power sleep modes suit battery-powered sensor nodes.
Typical applications include consumer remote controls, IR transceivers, white-goods user-interface boards, low-cost motor control, battery chargers with analog feedback, and electronic toys. The integrated op-amps and comparators are particularly well matched to sensor signal-chain applications.
When designing with the PIC16F527, ensure the exposed thermal pad on the UQFN-20 is soldered to a sufficiently large copper pour for both thermal dissipation and mechanical reliability. Decouple VDD with a 100nF ceramic capacitor placed as close to the pin as possible. Use the ICSP header for in-circuit programming rather than relying on socketed programming.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a single reference for PIC16F527T-I/JP selection and procurement.
Drop-in alternatives for PIC16F527T-I/JP — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with PIC16F527T-I/JP (same form factor and footprint) — differing in Timers, ADC, Package, Core Architecture, I/O Pins.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F527-I/JP
✅ Drop-In ⚠️ 参数待验证📋 Reference alternative (not in catalog)
PIC16F527-E/JP
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$0.66 / Unit
View Datasheet →PIC16F527-I/P
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$0.86 / Unit
View Datasheet →PIC16F527-I/GZ
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$0.48 / Unit
View Datasheet →PIC16F526T-I/MG
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$0.78 / Unit
View Datasheet →PIC16F506-E/MG
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$0.74 / Unit
View Datasheet →PIC16F527T-I/JP Maximum Ratings & Electrical Characteristics
| Core Architecture | 8-bit PIC (Enhanced Mid-Range) |
| Instruction Word Width | 14-bit |
| Program Memory Type | Flash |
| Program Memory Size | 1.5 KB (1K x 14 instructions) |
| Data RAM | 64 bytes |
| Maximum CPU Frequency | 20 MHz |
| Operating Voltage Range | 2.0 V to 5.5 V (typical, see datasheet) |
| ADC | 8-bit integrated |
| Operational Amplifiers | 2 integrated |
| Analog Comparators | 2 integrated |
| Package | 20-pin UQFN (3x3 mm) with exposed pad |
| Mounting Type | Surface Mount |
| Operating Temperature Range | -40 C to +85 C (Industrial, I-grade) |
| Packaging Format | Tape and Reel (T-suffix) |
| RoHS Status | Compliant |
| Programming Interface | ICSP (In-Circuit Serial Programming) |
PIC16F527T-I/JP Pin Configuration
| Pin 1 | RA0/ICSPDAT — Bidirectional I/O / ICSP data |
| Pin 2 | RA1/ICSPCLK — Bidirectional I/O / ICSP clock |
| Pin 3 | RA2 — Bidirectional I/O |
| Pin 4 | RA3/MCLR — I/O / Master Clear (reset) |
| Pin 5 | RA4 — Bidirectional I/O |
| Pin 6 | RA5 — Bidirectional I/O |
| Pin 7 | VSS — Ground reference |
| Pin 8 | RB0 — Bidirectional I/O |
| Pin 9 | RB1 — Bidirectional I/O |
| Pin 10 | RB2 — Bidirectional I/O |
| Pin 11 | RB3 — Bidirectional I/O |
| Pin 12 | RB4 — Bidirectional I/O |
| Pin 13 | RB5 — Bidirectional I/O |
| Pin 14 | RB6 — Bidirectional I/O |
| Pin 15 | RB7 — Bidirectional I/O |
| Pin 16 | VDD — Positive supply voltage |
| Pin 17 | RA6 — Bidirectional I/O |
| Pin 18 | RA7 — Bidirectional I/O |
| Pin 19 | OSC1 — Oscillator input |
| Pin 20 | OSC2 — Oscillator output |
Typical Applications
PIC16F527T-I/JP is suitable for 6 applications: Consumer Remote Control / IR Transceiver, Battery Charger with Analog Feedback, White-Goods User Interface Board, Low-Cost Motor Control / Fan Driver, Electronic Toys and Educational Devices, Sensor Signal Conditioning Node.
Consumer Remote Control / IR Transceiver
The PIC16F527T-I/JP is well suited for consumer IR remote controls because its 20MHz 8-bit core delivers deterministic timing for IR carrier generation (typically 36-40 kHz) while the integrated op-amps can directly condition the IR receiver's photodiode signal. The 1.5KB Flash accommodates common protocols (RC5, NEC, SIRC) and vendor-specific command sets, and the 64B RAM is sufficient for a button-scanning state machine. Industrial -40C to +85C temp grade handles kitchen-appliance and HVAC remote environments. Low-power sleep mode plus the small 3x3 mm UQFN package enable multi-year battery life in a hand-held form factor, while ICSP allows post-assembly firmware customization.
Recommended
Battery Charger with Analog Feedback
The PIC16F527T-I/JP's integrated dual op-amps and dual comparators make it an ideal control core for low-power linear or switch-mode battery chargers. One op-amp buffers the current-sense shunt amplifier, the other implements constant-voltage regulation via a MOSFET gate driver, while the comparators detect end-of-charge and over-current conditions. The 8-bit ADC monitors battery voltage and temperature for charge-termination logic. The 20MHz instruction throughput handles CV/CC loop timing at typical PWM frequencies (50-100 kHz). The 20-UQFN package fits compact charger bricks, and 1.5KB Flash supports multi-chemistry profiles (Li-ion, NiMH) with user-selectable parameters.
Recommended
White-Goods User Interface Board
Front-panel control boards for washing machines, dishwashers, and microwave ovens benefit from the PIC16F527T-I/JP's integrated analog peripherals that handle capacitive-touch sensing via the on-chip comparators and direct LED-driver PWM. The 1.5KB Flash supports rotary-encoder decoding, button debouncing, and 7-segment display multiplexing without external logic. The industrial -40C to +85C temp grade is essential for appliance environments with high ambient humidity and temperature. The 20-UQFN (3x3 mm) package fits behind display modules, and ICSP allows last-minute firmware updates for model variants without retooling.
Recommended
Low-Cost Motor Control / Fan Driver
Small BLDC or brushed-DC motor controllers benefit from the PIC16F527T-I/JP's 20MHz instruction rate, dual comparators for back-EMF zero-crossing detection, and op-amps for current sensing. The 8-bit ADC samples motor current and supply voltage for closed-loop speed regulation, while PWM outputs drive MOSFET gate drivers. The 1.5KB Flash stores commutation tables and soft-start profiles; the 64B RAM handles the rotor-position state machine. The 20-UQFN package's exposed pad provides thermal relief for the MCU during continuous motor drive, and the industrial temp grade supports attic-fan and HVAC-blower environments.
Recommended
Electronic Toys and Educational Devices
Cost-sensitive toy and STEM-education products leverage the PIC16F527T-I/JP for under-USD-2 BOM cost combined with sufficient peripherals to drive motors, LEDs, sound, and sensors. The integrated op-amps interface directly with microphone or piezo sensors, while the comparators detect switch closures without external pull-ups. The 1.5KB Flash supports small game logic and motor-control sequences, and ICSP enables per-toy customization at production. The 20-UQFN (3x3 mm) package fits inside miniature enclosures; the -40C to +85C industrial grade tolerates children's-play environments. The PIC16F527 is also Microchip's recommended successor for legacy PIC12/PIC16 designs.
Recommended
Sensor Signal Conditioning Node
Industrial and IoT sensor nodes that need local analog conditioning before wireless transmission benefit from the PIC16F527T-I/JP's integrated op-amps, comparators, and 8-bit ADC. The op-amps amplify low-level signals (thermocouples, photodiodes, strain gauges) without external instrumentation amplifiers, while comparators trigger threshold alerts. The 1.5KB Flash supports linearization tables and calibration coefficients, and ICSP allows in-field sensor-module re-tuning. The 20-UQFN package plus low-power sleep modes suit battery-powered wireless sensor nodes; pair with a sub-GHz or BLE transceiver module for complete sensor-to-cloud connectivity.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F527T-I/JP — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F527-I/JP | PIC16F527-E/JP | PIC16F527-I/P | PIC16F527-I/GZ |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 20-UQFN (3x3 mm) | 20-UQFN (3x3 mm) - same | 20-UQFN (3x3 mm) - same | PDIP-20 - through-hole variant | 20-UQFN (3x3 mm) - same |
| Program Memory | 1.5 KB Flash | 1.5 KB Flash | 1.5 KB Flash | 1.5 KB Flash | 1.5 KB Flash |
| Maximum CPU Frequency | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Data RAM | 64 bytes | 64 bytes | 64 bytes | 64 bytes | 64 bytes |
| Integrated Op-Amps | 2 | 2 | 2 | 2 | 2 |
| Analog Comparators | 2 | 2 | 2 | 2 | 2 |
| Temperature Grade | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| Packaging Format | Tape & Reel | Tray | Tray | Tube (PDIP) | Tray |
Key Differentiators
- Integrated dual op-amps and dual comparators (vs PIC16F505-I/P)
- Compact 20-UQFN (3x3 mm) package (vs PIC16F527-I/P (PDIP-20))
- 20MHz instruction throughput at low power (vs PIC16F527-E/JP (extended temp))
Design Notes
The 20-UQFN (3x3 mm) package has an exposed thermal pad on the underside that MUST be soldered to a ground pour for both thermal dissipation and mechanical reliability. Per Microchip UQFN package guidelines, the pad should connect to a copper area of at least 5x5 mm with multiple thermal vias to the inner ground plane. Skipping this step risks lifted pads during reflow and reduced mechanical endurance under thermal cycling. Place a 100nF ceramic decoupling capacitor within 3 mm of the VDD pin (pin 16) and route the ground return directly to the central pad.
The PIC16F527T-I/JP operates over a typical supply range of 2.0V to 5.5V; use a low-dropout regulator such as MCP1700 or direct battery connection for portable designs. Brown-out detection should be enabled in firmware to prevent Flash corruption during supply droops. The internal op-amps share VDD as their positive rail, so analog signal swings must remain within VSS to VDD. For ADC accuracy, add a 10uF bulk capacitor near the MCU plus a 100nF ceramic bypass capacitor directly across the VDD pin.
Route the ICSP interface signals (ICSPDAT on RA0, ICSPCLK on RA1, MCLR on RA3) to a programming-header footprint with ESD protection. Keep ICSP traces short and isolated from analog signal paths to avoid programming glitches from capacitive coupling. The MCLR pin requires a 10k pull-up to VDD and a 100nF capacitor to ground for in-circuit reset reliability. Avoid routing high-frequency switching signals near the analog op-amp inputs to preserve SNR.
Common pitfalls when designing with the PIC16F527T-I/JP include: (1) forgetting to configure the analog peripherals via the ANSEL and CMxCON registers before use; (2) leaving the MCLR pin floating (always tie through 10k pull-up); (3) exceeding the absolute maximum VDD of 6.5V during battery hot-swap transients; (4) using the internal oscillator without enabling the OSCCON stability wait loop, causing erratic behavior at power-up; (5) neglecting to read the device ID bits to verify correct silicon revision in production.
Compliance Information
RoHS and lead-free per Microchip product page; AEC-Q100 not applicable for non-automotive MCU grade. Conflict-minerals declaration compliant per Microchip policy.
