PIC16F15356T-I/SO - 8-Bit XLP MCU, 32MHz, 28KB Flash, 28-SOIC | Microchip
MPN: PIC16F15356T-I/SO ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.4 | $1.40 |
| 10 | $1.25 | $12.50 |
| 100 | $1.05 | $105.00 |
| 500 | $0.92 | $460.00 |
| 1,000 | $0.85 | $850.00 |
| 2,600 | $0.78 | $2,028.00 |
PIC16F15356T-I/SO Overview
An 8-bit PIC microcontroller is a microcontroller built around an 8-bit data path Harvard architecture, where program and data memories use separate buses to speed up fetch and execute cycles. PIC16F1 series parts add peripheral flexibility through CLCs, numerically controlled oscillators, and signal routing that let designers implement logic glue and waveform synthesis without external components. As a category, microcontrollers sit within the broader hierarchy of embedded controllers, microprocessors, and semiconductor ICs used to give products programmable intelligence.
Key features of this part include the CIPs block (CLC, CWG, NCO, DSM) for offloading timing-sensitive tasks from the CPU, four 10-bit PWMs for LED, motor, or power control, the 5-bit DAC plus comparator pair for analog signal conditioning, and the device's broad peripheral set that reduces external component count. With XLP sleep currents in the nanoampere range and a wide operating voltage window, the part is engineered for energy-harvesting and battery-backed designs.
The PIC16F15356T-I/SO architecture combines a 16-level hardware stack, an interrupt controller with context save, and the enhanced mid-range instruction set, providing re-entrant code compatibility with prior PIC16F1 generation tools while exposing new peripherals. The 28-SOIC package supports standard surface-mount assembly and gives 25 I/O for keypad, display, or sensor interface tasks.
Typical applications include IoT sensor nodes, home appliances with HMI displays, low-power wireless remote controls, battery management subsystems, LED lighting controllers, and industrial sensor interface boards. The combination of CLCs, CWG, and PWMs makes this MCU especially well suited to driving MOSFETs in low-end motor and lighting circuits.
When designing with this device, budget decoupling with a 100nF ceramic cap adjacent to each VDD pin, place a 10µF bulk capacitor at the regulator output, and reserve an ICSPCLK/ICSPDAT header for in-circuit programming. The internal 32MHz oscillator typically eliminates the need for an external crystal in cost-sensitive designs.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found on the manufacturer datasheet, helping engineers evaluate the PIC16F15356T-I/SO against PIC16F15355 and PIC16F15354 same-family variants in seconds.
Drop-in alternatives for PIC16F15356T-I/SO — 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 PIC16F15356T-I/SO (same form factor and footprint) — differing in ADC, DAC, Operating Temperature, Package, Program Memory (Flash).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F15356-I/SO
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F15355T-I/SO
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F15354T-I/SO
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F15355T-I/SS
✅ Drop-In✓ In Stock
$0.78 / Unit
View Datasheet →PIC16F15345T-I/SO
✅ Drop-In✓ In Stock
$1.1 / Unit
View Datasheet →PIC16F15356T-I/SO Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC 8-bit enhanced mid-range |
| Family | PIC® XLP™ 16F |
| CPU Speed | 32 MHz |
| Program Memory (Flash) | 28 KB (16K x 14) |
| Data RAM | 2 KB |
| Operating Voltage | 2.3 V to 5.5 V |
| I/O Pins | 25 |
| Package | 28-SOIC (7.50 mm) |
| ADC | 10-bit |
| DAC | 5-bit |
| PWM Channels | 4 (10-bit) |
| Communication | 2x EUSART, SPI, I2C |
| CIPs | CLC, CWG, NCO, DSM |
| Operating Temperature | -40 C to +85 C |
| RoHS Status | Compliant |
PIC16F15356T-I/SO Pin Configuration
| Pin 1 | RA5 — Digital I/O / analog input |
| Pin 2 | RA4 — Digital I/O / analog input |
| Pin 3 | RA3 — Digital I/O / analog input (MCLR also multiplexed) |
| Pin 4 | RA2 — Digital I/O / analog input |
| Pin 5 | RA1 — Digital I/O / analog input / DAC1OUT |
| Pin 6 | RA0 — Digital I/O / analog input / DAC2OUT |
| Pin 7 | VSS — Ground reference |
| Pin 8 | RA7 — Digital I/O / analog input |
| Pin 9 | RA6 — Digital I/O / analog input / OSC2 |
| Pin 10 | RC0 — Digital I/O |
| Pin 11 | RC1 — Digital I/O |
| Pin 12 | RC2 — Digital I/O |
| Pin 13 | RC3 — Digital I/O / SCL |
| Pin 14 | RC4 — Digital I/O / SDA |
| Pin 15 | RC5 — Digital I/O |
| Pin 16 | RC6 — Digital I/O / TX |
| Pin 17 | RC7 — Digital I/O / RX |
| Pin 18 | VSS — Ground reference |
| Pin 19 | VDD — Positive power supply |
| Pin 20 | RB0 — Digital I/O / interrupt-on-change |
| Pin 21 | RB1 — Digital I/O / interrupt-on-change |
| Pin 22 | RB2 — Digital I/O / interrupt-on-change |
| Pin 23 | RB3 — Digital I/O / interrupt-on-change |
| Pin 24 | RB4 — Digital I/O / interrupt-on-change |
| Pin 25 | RB5 — Digital I/O / interrupt-on-change |
| Pin 26 | RB6 — Digital I/O / ICSPCLK |
| Pin 27 | RB7 — Digital I/O / ICSPDAT |
| Pin 28 | VDD — Positive power supply |
Typical Applications
PIC16F15356T-I/SO is suitable for 6 applications: IoT Sensor Node, Home Appliance HMI Controller, Battery Management Subsystem, LED Lighting Controller, Industrial Sensor Interface Board, Low-Power Wireless Remote Control.
IoT Sensor Node
The PIC16F15356T-I/SO is well suited for battery-powered IoT sensor nodes thanks to its eXtreme Low-Power (XLP) sleep currents in the nanoampere range, 2.3V to 5.5V operating range, and four CLCs that wake the CPU only when sensor thresholds trip. Its 10-bit ADC and 5-bit DAC pair with the integrated comparators to interface thermistors, photodiodes, and analog front-ends without external signal conditioning. The 28KB Flash and 2KB RAM hold LoRaWAN or BLE provisioning stacks and periodic firmware updates. Compared with discrete ADC plus MCU solutions, the integrated CIPs shrink the BOM and reduce quiescent current on the 3V coin-cell rail.
Recommended
Home Appliance HMI Controller
In washing machines, induction cooktops, and microwave ovens, the PIC16F15356T-I/SO drives keypads, character LCDs, and rotary encoders via its 25 I/O pins. The four 10-bit PWMs and CWG (Complementary Waveform Generator) directly drive TRIAC gates and tri-color LED indicators without external logic ICs. Its 2KB RAM handles UI state machines while 28KB Flash stores multilingual firmware and OTA hooks. The CLCs implement custom debounce and capacitive touch timing, reducing firmware CPU load. Industrial-grade EMI tolerance from the 5.5V operating ceiling suits noisy motor environments.
Recommended
Battery Management Subsystem
The PIC16F15356T-I/SO's 5-bit DAC plus comparators form a precision battery monitor with cell balancing control for 1S to 4S Li-ion packs. Its 10-bit ADC reads cell voltage, current sense amplifier output, and NTC temperature at periodic intervals while the CLC generates hardware-level overcurrent protection independent of firmware execution. The 28KB Flash holds fuel-gauging lookup tables and SMBus protocols, while the wide 2.3V to 5.5V supply lets the MCU operate directly from a 4.2V Li-ion cell without a regulator. EUSART and I2C interfaces communicate with charger ICs and host SoCs.
Recommended
LED Lighting Controller
For architectural and stage lighting, the PIC16F15356T-I/SO drives RGBW LED strips via its four 10-bit PWMs and CWG complementary outputs, enabling smooth color mixing and dimming down to 0.1% duty cycle resolution. The Numerically Controlled Oscillator (NCO) plus DSM synthesize precise frequencies for DALI or 0-10V dimming protocols without crystal oscillators. The CLCs implement hardware-level fault detection for open-circuit and short-circuit LED strings within microseconds, faster than firmware polling. With 28KB Flash storing multiple DMX personalities and the 2KB RAM handling 512-channel buffer, this MCU replaces larger ARM Cortex-M0 designs.
Recommended
Industrial Sensor Interface Board
The PIC16F15356T-I/SO interfaces industrial 4-20mA analog sensors and Modbus RTU slaves via its two EUSARTs, 10-bit ADC, and 5-bit DAC. Its 32MHz core executes Modbus transaction handlers within tight poll windows, while the CLCs implement hardware-level CRC16 calculation offloading the CPU. The 28-SOIC package's wide -40C to +85C operating range suits factory floor installations. CWG and NCO generate excitation signals for bridge sensors, replacing dedicated signal-conditioning ASICs. Combined with 28KB Flash storing calibration tables, this MCU replaces PLC analog input modules at a fraction of the cost.
Recommended
Low-Power Wireless Remote Control
The PIC16F15356T-I/SO drives sub-GHz ISM-band remote controls, pairing with an external RF transceiver such as the MRF89XA via SPI. Its XLP sleep currents extend coin-cell battery life beyond three years, while hardware-level CIPs wake the MCU on button press via the CLC interrupt-on-change block. The 28KB Flash stores multiple RF protocol profiles (LoRa, FSK, OOK), and the 2KB RAM buffers transmission buffers and encryption keys. The integrated 32MHz internal oscillator eliminates external crystals, keeping BOM count low. The same part also supports IR remote transmission via the NCO and DSM peripherals.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F15356T-I/SO — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F15356-I/SO | PIC16F15355T-I/SO | PIC16F15354T-I/SO | PIC16F15355T-I/SS | PIC16F15345T-I/SO |
|---|---|---|---|---|---|---|
| Package | 28-SOIC | 28-SOIC - same | 28-SOIC - same | 28-SOIC - same | 28-SSOP - thinner | 28-SOIC - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 28 KB | 28 KB | 14 KB | 7 KB | 14 KB | 14 KB |
| Data RAM | 2 KB | 2 KB | 1 KB | 512 B | 1 KB | 1 KB |
| CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Voltage | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V |
| I/O Pins | 25 | 25 | 25 | 25 | 25 | 25 |
| PWM Channels | 4 (10-bit) | 4 (10-bit) | 4 (10-bit) | 4 (10-bit) | 4 (10-bit) | 4 (10-bit) |
| Unit Price @ 1000 | $0.85 | $0.85 | $0.78 | $0.72 | $0.78 | $0.78 |
Key Differentiators
- Largest memory in the PIC16F153xx family at this pin count (vs PIC16F15355T-I/SO)
- Active lifecycle with high availability (vs Discontinued PIC16F886 in legacy designs)
- Four CLCs plus CWG plus NCO CIPs integration (vs PIC16F1825T-I/SO)
Design Notes
Place a 100nF ceramic decoupling capacitor adjacent to each VDD pin (pins 19 and 28) and a single 10uF bulk capacitor at the regulator output. The internal voltage regulator requires a minimum 1uF low-ESR cap at the VCAP pin to maintain core LDO stability. Estimated: at 32MHz core clock and full 25 I/O load, the MCU draws approximately 7mA active and drops below 50nA in XLP sleep.
Reserve a 2-pin 0.1" header connected to ICSPCLK (RB6) and ICSPDAT (RB7) for in-circuit serial programming - production boards without this header cannot be reprogrammed after assembly. Keep the ICSP traces short and away from high-frequency PWM outputs to avoid programming glitches. The MCLR pin (RA3) needs a 10kOhm pull-up and a 100nF cap to ground for clean reset transitions.
Do not exceed 5.5V on VDD or apply reverse polarity - the PIC16F15356T-I/SO does not include reverse-voltage protection. Configure the CONFIG register bits FEXTOSC and RSTOSC for the desired clock source before code lock; once programmed, only a high-voltage parallel programmer can change them. When using the ADC, allow at least 1us acquisition time (Tacq) before triggering conversion - shorter times degrade linearity.
Compliance Information
RoHS3 compliant per Microchip product page and ICS-Embedded distributor listing. Not AEC-Q100 qualified - for automotive-grade options use PIC16F15356-E/SO equivalent variants or higher-spec PIC18F family parts.
