PIC16F1527-I/PT - 8-Bit 20MHz 28KB Flash MCU | Microchip
MPN: PIC16F1527-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.1 | $5.10 |
| 10 | $4.59 | $45.90 |
| 100 | $4.07 | $407.00 |
| 500 | $3.66 | $1,830.00 |
| 1,000 | $3.25 | $3,250.00 |
PIC16F1527-I/PT Overview
A microcontroller (MCU) is a single-chip computer containing a CPU, program and data memory, and a rich set of peripheral interfaces such as ADC, timers, UART, I/O ports, and comparators. Within the broader semiconductor taxonomy, MCUs sit below microprocessors and above discrete logic ICs; the PIC16 family occupies the 8-bit mid-range tier between baseline PIC10/12/16 and the 16-bit dsPIC/PIC24 families. XLP technology specifically targets nanoWatt sleep currents, enabling years of operation from a single coin cell.
Key features of the PIC16F1527 include 54 digital I/O pins, a 10-bit ADC with up to 30 channels, multiple Enhanced Universal Synchronous/Asynchronous Receiver/Transmitters (EUSART), SPI/I2C, up to 17 capture/compare/PWM (CCP/ECCP) channels, and a wide operating voltage range of 1.8 V to 5.5 V. The integrated 32 kHz internal oscillator and PLL-derived 32 MHz provide flexible clocking without external crystals, while nanoWatt XLP extends standby current into the sub-microamp range for sleep-dominant designs.
Typical applications span consumer white goods, HVAC control, industrial sensor nodes, portable medical devices, e-metering, USB peripherals (with the on-chip full-speed USB 2.0 transceiver), and automotive body electronics (in -I and -E temperature grades). Designers frequently choose the PIC16F1527 when the application needs more than 14 KB of code space than the smaller PIC16F1519 and fewer pins than the PIC16F1526 family, but the same XLP feature set.
Key design consideration: leverage XLP sleep modes aggressively, and use the internal 16 MHz HFINTOSC to eliminate the external crystal in cost-sensitive designs. Verify ADC acquisition time against source resistance using the formulas in the datasheet, especially when sampling above 100 ksps.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes drawn from the Microchip datasheet (DS40001682) plus community reference designs not found in any single source.
Drop-in alternatives for PIC16F1527-I/PT — 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 PIC16F1527-I/PT (same form factor and footprint) — differing in Package, Timers, ADC, Operating Temperature, Communication.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F1527T-I/PT
✅ Drop-In✓ In Stock
$3.16 / Unit
View Datasheet →PIC16F1526-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F1526T-I/PT
✅ Drop-In✓ In Stock
$2.21 / Unit
View Datasheet →PIC16F15276-I/PT
✅ Drop-In✓ In Stock
$1.2 / Unit
View Datasheet →PIC16F15274-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F1527-I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC 8-bit enhanced mid-range |
| CPU Speed | 20 MHz (200 ns instruction cycle) |
| Program Memory | 28 KB (16K x 14) Flash |
| Data EEPROM | 256 bytes |
| RAM | 1536 bytes |
| Operating Voltage | 1.8 V to 5.5 V |
| I/O Pins | 54 |
| ADC | 10-bit, up to 30 channels |
| Timers | 8-bit / 16-bit, multiple |
| Communication | EUSART, SPI, I2C, USB 2.0 FS |
| PWM Channels | Up to 17 (CCP/ECCP) |
| Operating Temperature | -40C to +85C (Industrial) |
| Package | TQFP-64 (PT) 10x10 mm |
| Mounting Type | Surface Mount |
| MSL Level | 3 (per JEDEC J-STD-020) |
| RoHS Status | Compliant |
| XLP Technology | nanoWatt (sub-uA sleep currents) |
PIC16F1527-I/PT Pin Configuration
| Pin 1 | RE3/MCLR — Digital input / Master Clear (reset) |
| Pin 2 | RA0/AN0 — GPIO RA0 / ADC AN0 |
| Pin 3 | RA1/AN1 — GPIO RA1 / ADC AN1 |
| Pin 4 | RA2/AN2 — GPIO RA2 / ADC AN2 |
| Pin 5 | RA3/AN3 — GPIO RA3 / ADC AN3 |
| Pin 6 | RA4/AN4 — GPIO RA4 / ADC AN4 |
| Pin 7 | RA5/AN5 — GPIO RA5 / ADC AN5 |
| Pin 8 | RA6/OSC2 — GPIO RA6 / crystal out |
| Pin 9 | RA7/OSC1 — GPIO RA7 / crystal in |
| Pin 10 | Vdd — Positive supply (1.8 V to 5.5 V) |
| Pin 11 | Vss — Ground |
| Pin 12 | RB0/AN12 — GPIO RB0 / ADC AN12 |
| Pin 13 | RB1/AN10 — GPIO RB1 / ADC AN10 |
| Pin 14 | RB2/AN8 — GPIO RB2 / ADC AN8 |
| Pin 15 | RB3/AN9 — GPIO RB3 / ADC AN9 |
| Pin 16 | RB4/AN11 — GPIO RB4 / ADC AN11 |
| Pin 17 | RB5/AN13 — GPIO RB5 / ADC AN13 |
| Pin 18 | RB6/PGC — GPIO RB6 / ICSP clock |
| Pin 19 | RB7/PGD — GPIO RB7 / ICSP data |
| Pin 20 | Vdd — Positive supply |
| Pin 21 | Vss — Ground |
| Pin 22 | RC0/SOSCO — GPIO RC0 / SOSC crystal out |
| Pin 23 | RC1/SOSCI — GPIO RC1 / SOSC crystal in |
| Pin 24 | RC2/CCP1 — GPIO RC2 / CCP1 PWM |
| Pin 25 | RC3/SCL — GPIO RC3 / I2C SCL |
| Pin 26 | RC4/SDA — GPIO RC4 / I2C SDA |
| Pin 27 | RC5/SDO — GPIO RC5 / SPI SDO |
| Pin 28 | RC6/TX/CK — GPIO RC6 / EUSART TX |
| Pin 29 | RC7/RX/DT — GPIO RC7 / EUSART RX |
| Pin 30 | Vdd — Positive supply |
| Pin 31 | Vss — Ground |
| Pin 32 | RD0 — GPIO RD0 |
| Pin 33 | RD1 — GPIO RD1 |
| Pin 34 | RD2 — GPIO RD2 |
| Pin 35 | RD3 — GPIO RD3 |
| Pin 36 | RD4 — GPIO RD4 |
| Pin 37 | RD5 — GPIO RD5 |
| Pin 38 | RD6 — GPIO RD6 |
| Pin 39 | RD7 — GPIO RD7 |
| Pin 40 | Vdd — Positive supply |
| Pin 41 | Vss — Ground |
| Pin 42 | RE0/AN5 — GPIO RE0 / ADC AN5 |
| Pin 43 | RE1/AN6 — GPIO RE1 / ADC AN6 |
| Pin 44 | RE2/AN7 — GPIO RE2 / ADC AN7 |
| Pin 45 | RF0 — GPIO RF0 |
| Pin 46 | RF1/AN19 — GPIO RF1 / ADC AN19 |
| Pin 47 | RF2/AN20 — GPIO RF2 / ADC AN20 |
| Pin 48 | RF3/AN21 — GPIO RF3 / ADC AN21 |
| Pin 49 | RF4/AN22 — GPIO RF4 / ADC AN22 |
| Pin 50 | RF5/AN23 — GPIO RF5 / ADC AN23 |
| Pin 51 | RF6/AN24 — GPIO RF6 / ADC AN24 |
| Pin 52 | RF7/AN25 — GPIO RF7 / ADC AN25 |
| Pin 53 | RG0 — GPIO RG0 |
| Pin 54 | RG1 — GPIO RG1 |
| Pin 55 | RG2 — GPIO RG2 |
| Pin 56 | RG3 — GPIO RG3 |
| Pin 57 | RG4 — GPIO RG4 |
| Pin 58 | Vdd — Positive supply |
| Pin 59 | Vss — Ground |
| Pin 60 | D+/RB0 — USB D+ (alternate function) |
| Pin 61 | D-/RB1 — USB D- (alternate function) |
| Pin 62 | VBUS — USB VBUS detect |
| Pin 63 | RC4/SDA — GPIO RC4 / I2C SDA |
| Pin 64 | RC3/SCL — GPIO RC3 / I2C SCL |
Typical Applications
PIC16F1527-I/PT is suitable for 6 applications: USB HID / CDC Peripherals, Battery-Powered Sensor Nodes, Industrial Control / HVAC, Portable Medical Devices, Smart Home / IoT Edge, Consumer White Goods.
USB HID / CDC Peripherals
The PIC16F1527-I/PT is well suited for USB HID keyboards, mice, CDC virtual COM ports, and vendor-class peripherals because of its integrated USB 2.0 full-speed transceiver and SIE, which eliminate the external PHY BOM cost. With 28 KB Flash and 1536 bytes RAM it comfortably fits CDC + HID stacks and a vendor command interpreter in the same 64-pin TQFP package. The 1.8-5.5 V range supports bus-powered designs at 5 V without level shifters. Compared to PIC16F1455 (smaller 14-pin MCU), the PIC16F1527 adds abundant GPIO and ADC channels for combined USB + sensor designs.
Recommended
Battery-Powered Sensor Nodes
XLP nanoWatt technology makes the PIC16F1527-I/PT a natural fit for battery-driven wireless or wired sensor nodes that spend most of their time asleep. Sleep currents drop into the sub-microamp range while peripherals like ADC, comparators, and RTCC remain wake-up sources, enabling multi-year lifetimes on a CR2032. The 1.8 V minimum Vdd extends usable capacity below the lithium coin-cell cutoff. Internal 16 MHz HFINTOSC plus 32 kHz LFINTOSC allow the application to run at full speed, then drop to a low-frequency sleep wake without external crystals.
Recommended
Industrial Control / HVAC
The PIC16F1527-I/PT drives HVAC damper actuators, fan controllers, and small PLC signal conditioning thanks to 54 I/O lines, up to 17 PWM channels, and a 10-bit ADC with 30 analog inputs for thermistor / pressure feedback. Its industrial -40C to +85C temperature grade handles rooftop, boiler-room, and factory-floor environments. ECCP auto-shutdown features simplify motor-fault handling in 3-phase HVAC compressors. Compared to PIC16F1509 (20-pin), the PIC16F1527 integrates more PWM and ADC channels in a single 64-pin TQFP chip.
Recommended
Portable Medical Devices
Blood-pressure monitors, glucose meters, and pulse-oximeter front ends benefit from the PIC16F1527-I/PT combination of 10-bit ADC for analog sensor conditioning, on-chip USB for data upload to PCs, and low sleep current for patient-portable use. The 28 KB Flash is sufficient for Bluetooth HCI bridging plus application logic when paired with an external radio module. Wide Vdd (1.8-5.5 V) lets the design run from alkaline or Li-ion cells with the same firmware. Compared to PIC16F1454, the PIC16F1527 offers significantly more code space and I/O.
Recommended
Smart Home / IoT Edge
Edge IoT nodes handling sensor aggregation, local decision making, and link to a host gateway benefit from the PIC16F1527-I/PT's USB 2.0, EUSART, SPI, and I2C peripherals, which can simultaneously drive a Wi-Fi/BLE module and a wired sensor bus. The 54 I/O lines offer headroom for keypad, RGB LEDs, and relay drivers in a single chip. XLP technology keeps idle smart-switch and thermostat quiescent current under 1 uA for energy-star compliance. Compared to PIC16F1516 (smaller cousin), the PIC16F1527 adds USB and more ADC channels.
Recommended
Consumer White Goods
Washing machines, dishwashers, and induction-cooktop user interfaces use the PIC16F1527-I/PT for driving segment LCD, capacitive-touch pads, and triac-controlled heaters through the 54 I/O lines. The internal 16 MHz oscillator and PLL eliminate external crystals, reducing BOM cost. Built-in ECCP with auto-shutdown protects motor and heater loads from overcurrent and zero-cross faults. Compared to PIC16F88 (legacy), the PIC16F1527 offers more PWM channels and modern peripherals in the same 64-pin TQFP package.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F1527-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1527T-I/PT | PIC16F1526-I/PT | PIC16F1526T-I/PT | PIC16F15276-I/PT | PIC16F15274-I/PT |
|---|---|---|---|---|---|---|
| Package | TQFP-64 (PT) 10x10 mm | TQFP-64 (PT) 10x10 mm - same | TQFP-64 (PT) 10x10 mm - same | TQFP-64 (PT) 10x10 mm - same | TQFP-64 (PT) 10x10 mm - same | TQFP-64 (PT) 10x10 mm - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Flash | 28 KB | 28 KB | 56 KB | 56 KB | 28 KB | 14 KB |
| RAM | 1536 bytes | 1536 bytes | 1536 bytes | 1536 bytes | 1536 bytes | 1024 bytes |
| CPU Speed | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| I/O Pins | 54 | 54 | 54 | 54 | 54 | 54 |
| USB 2.0 FS | Yes (on-chip) | Yes | Yes | Yes | Yes | Yes |
| Operating Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| Temperature Grade | Industrial -40C to +85C | Industrial -40C to +85C | Industrial -40C to +85C | Industrial -40C to +85C | Industrial -40C to +85C | Industrial -40C to +85C |
| Approx. Price (qty 1000) | $3.25 | $3.25 | $3.80 | $3.80 | $3.30 | $2.90 |
Key Differentiators
- On-chip USB 2.0 full-speed transceiver (vs PIC16F1519)
- Doubles the Flash vs smaller sibling (vs PIC16F15274-I/PT)
- Larger peripheral mix at same pin count (vs PIC16F1526-I/PT)
- XLP nanoWatt sleep for battery designs (vs Legacy PIC16F88)
Design Notes
PIC16F1527-I/PT operates from 1.8 V to 5.5 V; tie all Vdd pins (10, 20, 30, 40, 58) to the regulated supply and all Vss pins (11, 21, 31, 41, 59) to ground with short traces. Use a 100 nF ceramic decoupling cap on each Vdd/Vss pair and a 10 uF bulk cap near the IC. For USB applications add a 100 uF bulk cap on Vbus, per the USB 2.0 section of Microchip datasheet DS40001682.
MCLR/RE3 must be tied to Vdd through a 10 kohm pull-up for normal operation; leaving it floating causes intermittent reset. When using ICSP, isolate the MCLR pull-up from the programmer with a series resistor or Schottky to avoid contention. RB6/PGC and RB7/PGD require careful isolation from the application load, otherwise in-circuit debugging fails. Confirm PICKit/MPLAB Snap connections before first programming.
The on-chip USB 2.0 full-speed transceiver requires a 90 ohm differential impedance on the D+/D- traces to the USB connector; route them parallel, length-matched, and as short as practical. Add 47 pF capacitors on D+ and D- to ground when using bus-powered designs per the USB 2.0 specification referenced in datasheet DS40001682. Internal weak pull-ups on D+/D- must be enabled in firmware.
Route the 32 kHz crystal traces symmetrically with ground guarding to minimize noise injection. Avoid running PWM signals adjacent to analog ADC inputs; if unavoidable, use ground-fill isolation. Place the ADC reference decoupling capacitor (0.1 uF ceramic) within 5 mm of the AVdd/AVss pins to preserve 10-bit ADC accuracy at high sampling rates.
Compliance Information
RoHS compliant per Microchip product page. Not AEC-Q100 qualified; choose automotive-grade AEC-Q100 variants for vehicle applications.
