PIC16F15356-I/SS - 8-Bit 32MHz 28KB Flash MCU | Microchip
MPN: PIC16F15356-I/SS ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.11 | $2.11 |
| 10 | $1.97 | $19.70 |
| 100 | $1.79 | $179.00 |
| 500 | $1.62 | $810.00 |
| 1,000 | $1.45 | $1,450.00 |
PIC16F15356-I/SS Overview
A microcontroller (MCU) is an integrated circuit containing a CPU, memory (Flash, RAM, EEPROM), and configurable peripherals on a single die. The 8-bit PIC family uses a Harvard RISC architecture optimized for deterministic real-time control, distinguishing it from 32-bit Cortex-M parts by lower cost, simpler toolchain, and lower active power in many duty-cycled applications. Within the hierarchy, PIC16F15356 belongs to microcontrollers > 8-bit MCUs > PIC16 family > PIC16F153xx sub-family.
Key features include 2KB RAM, 4 PWMs, a hardware Comparator, 5-bit/10-bit DAC, 10-bit ADC, Complementary Waveform Generator (CWG), 4 Configurable Logic Cells (CLC), 2 EUSART, SPI/I2C interfaces, and 16 KB of Flash usable for non-volatile data via Memory Access Partition (MAP). The wide 2.3V to 5.5V operating range, low-power XLP modes (down to nanoWatt), and industrial temperature rating of -40C to +85C make it suitable for battery-powered and harsh-environment deployments.
Architecturally, the PIC16F15356 uses the enhanced mid-range 8-bit core with a 14-bit instruction word and hardware multiply/divide, providing single-cycle I/O access and predictable interrupt latency. CIPs like CLC and CWG execute logic and waveform generation autonomously without CPU intervention, freeing the core for higher-level tasks and reducing firmware complexity.
Typical applications include IoT sensor nodes, home appliances, motor control signal conditioning, LED lighting controllers, and battery-powered instrumentation. The wide peripheral set makes it especially well suited for low-cost mixed-signal products where the analog front-end and logic glue must live alongside the control loop.
When designing with this MCU, allocate at least one CLC for wake-up logic to maximize XLP savings, and ensure the configuration bits match the chosen debug mode (MPLAB ICD) to avoid lock-out. The CWG must be tied to a timer source for proper dead-band control in half-bridge drive.
This page synthesizes distributor pricing, drop-in alternative MPNs, and practical design considerations not found in the manufacturer datasheet alone, optimized for engineers evaluating PIC16F15356-I/SS for new designs or replacement sourcing.
Drop-in alternatives for PIC16F15356-I/SS — 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 PIC16F15356-I/SS (same form factor and footprint) — differing in Package, ADC, Comparators, DAC, Program Memory (Flash).
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Request AlternativesPIC16F15356-I/SS Maximum Ratings & Electrical Characteristics
| Core Architecture | 8-bit PIC16 enhanced mid-range |
| Program Memory (Flash) | 28 KB (16K x 14 words) |
| Data Memory (RAM) | 2 KB |
| CPU Speed | 32 MHz maximum |
| Operating Voltage Range | 2.3 V to 5.5 V (down to 2.5 V at full speed) |
| Industrial Temperature Range | -40 C to +85 C |
| Package | 28-pin SSOP (5.3 mm x 10.2 mm, 0.65 mm pitch) |
| ADC | 10-bit |
| DAC | 5-bit and 10-bit options |
| Comparators | 1 (with configurable hysteresis) |
| PWM Channels | 4 |
| CWG | Complementary Waveform Generator |
| CLC | 4 Configurable Logic Cells |
| EUSART | 2 |
| I2C / SPI | 1 I2C, 1 SPI |
| XLP Low-Power Modes | Yes (Sleep, Idle, Doze, nanoWatt) |
| RoHS Status | Compliant |
| Lead-Free | Yes |
PIC16F15356-I/SS Pin Configuration
| Pin 1 | RA0 — PORTA bit 0 / analog input / CLC input |
| Pin 2 | RA1 — PORTA bit 1 / analog input / CLC input |
| Pin 3 | RA2 — PORTA bit 2 / analog input / DAC output reference |
| Pin 4 | RA3 — PORTA bit 3 / analog input / CLC input (input-only) |
| Pin 5 | RA4 — PORTA bit 4 / analog input / CLC input / timer clock |
| Pin 6 | RA5 — PORTA bit 5 / analog input / CLC input |
| Pin 7 | RA6 — PORTA bit 6 / analog input / CLC input / oscillator |
| Pin 8 | RA7 — PORTA bit 7 / analog input / CLC input / oscillator |
| Pin 9 | VSS — Ground reference |
| Pin 10 | RB0 — PORTB bit 0 / analog input / CLC input / IOC |
| Pin 11 | RB1 — PORTB bit 1 / analog input / CLC input / IOC |
| Pin 12 | RB2 — PORTB bit 2 / analog input / CLC input / IOC |
| Pin 13 | RB3 — PORTB bit 3 / analog input / CLC input / IOC |
| Pin 14 | RB4 — PORTB bit 4 / analog input / CLC input / IOC |
| Pin 15 | RB5 — PORTB bit 5 / analog input / CLC input / IOC |
| Pin 16 | RB6 — PORTB bit 6 / ICSPCLK / IOC |
| Pin 17 | RB7 — PORTB bit 7 / ICSPDAT / IOC |
| Pin 18 | VSS — Ground reference |
| Pin 19 | VDD — Positive supply voltage (2.3-5.5 V) |
| Pin 20 | RC0 — PORTC bit 0 / analog input / CLC input |
| Pin 21 | RC1 — PORTC bit 1 / analog input / CLC input |
| Pin 22 | RC2 — PORTC bit 2 / analog input / CLC input |
| Pin 23 | RC3 — PORTC bit 3 / analog input / CLC input / SCL |
| Pin 24 | RC4 — PORTC bit 4 / analog input / CLC input / SDA |
| Pin 25 | RC5 — PORTC bit 5 / analog input / CLC input |
| Pin 26 | RC6 — PORTC bit 6 / analog input / CLC input / TX |
| Pin 27 | RC7 — PORTC bit 7 / analog input / CLC input / RX |
| Pin 28 | VDD — Positive supply voltage (2.3-5.5 V) |
Typical Applications
PIC16F15356-I/SS is suitable for 6 applications: IoT Sensor Nodes, Home Appliance Control, LED Lighting Controllers, Battery-Powered Instrumentation, Motor Control Signal Conditioning, Consumer Electronics Interface.
IoT Sensor Nodes
The PIC16F15356-I/SS fits battery-powered IoT sensor nodes through three specific alignments. First, the nanoWatt XLP sleep mode reduces quiescent current to single-digit microamps, enabling years of operation from two AA cells - a direct match for door/window sensors, water meters, and environmental monitors. Second, the 10-bit ADC with internal channel selection supports direct thermistor, photodiode, or battery-voltage sensing without external amplifiers. Third, the 4 PWMs drive actuators like buzzers or LED dimming. With 28 KB Flash and 2 KB RAM, the device can host a small LoRaWAN or Sub-GHz stack alongside local processing. Compared to discrete analog solutions, integration cuts BOM cost roughly 30% while the CLCs enable wake-on-signal logic without external glue chips.
Recommended
Home Appliance Control
The PIC16F15356-I/SS is a strong fit for home appliances such as coffee makers, washing machines, and induction cooktops. The 28 KB Flash supports full UI menus and sensor-fusion algorithms, while the 32 MHz CPU executes control loops in under 5 us - fast enough for safety-critical interlocks. The CWG hardware generates dead-band-controlled complementary PWM for half-bridge motor drives up to 25 kHz without software overhead. The 10-bit DAC supports slope-compensated current-mode control for switch-mode power supplies within the appliance, while the integrated Comparator handles zero-crossing detection for triac dimming. Compared to a discrete analog controller, this MCU consolidates timer, ADC, PWM, and logic functions into one chip, reducing PCB area and BOM cost by roughly 40%.
Recommended
LED Lighting Controllers
The PIC16F15356-I/SS drives digital LED lighting systems through its 4 PWM channels and high-resolution timing. The 32 MHz clock allows PWM frequencies above 1 MHz, eliminating audible noise from the driver inductors while supporting 16-bit dimming resolution. The CWG module generates accurate complementary drive signals for synchronous buck topologies used in high-brightness LED strings. Built-in 10-bit ADC reads photodiode feedback for closed-loop lumen control, and the EUSART interfaces with DMX512 or DALI lighting protocols. Compared to a discrete analog driver, the PIC16F15356 enables firmware-tunable color temperature and dimming curves while reducing BOM count by 25-30%.
Recommended
Battery-Powered Instrumentation
The PIC16F15356-I/SS supports handheld test equipment and portable measurement instruments. Its wide 2.3-5.5 V input range accepts single-cell Li-ion, two-AA, or USB supplies directly. The XLP sleep modes draw under 1 uA, extending battery life in intermittent-use products like clamp meters or thermal cameras. The 10-bit ADC and integrated DAC enable direct sensor readout and stimulus generation, while the CLCs implement signal conditioning such as pulse-stretching and glitch filtering in hardware. The 28 KB Flash accommodates firmware for calibration tables and linearization math. Compared to discrete analog front-ends, the integrated approach reduces power consumption by 50-60% and shrinks PCB footprint to under 1 square inch.
Recommended
Motor Control Signal Conditioning
The PIC16F15356-I/SS serves as a low-cost companion MCU for motor control subsystems where a main controller handles the FOC loop and this device handles housekeeping. Its 4 PWMs and CWG drive status LEDs, brake resistors, and cooling fans. The hardware Comparator monitors back-EMF for stall detection, while the 10-bit ADC reads current-sense amplifiers for fault detection. The wide voltage range and 85 C industrial temperature rating suit under-hood automotive and industrial environments. Compared to a dedicated motor-control DSP, the PIC16F15356 reduces system cost by 60-70% while consuming less than 30 mW during full operation.
Recommended
Consumer Electronics Interface
The PIC16F15356-I/SS provides user-interface glue logic in consumer products such as smart speakers, gaming peripherals, and remote controls. Its 28 KB Flash supports USB HID stacks, button-mapping logic, and RGB lighting effects. The 4 Configurable Logic Cells implement custom button de-bouncing, encoder quadrature decoding, and capacitive-touch sensing without external ICs. The EUSART interfaces with Bluetooth/Wi-Fi modules for wireless products. The 2 KB RAM accommodates USB descriptors and protocol buffers. Compared to a discrete 555-timer plus logic-gate approach, the PIC16F15356 integrates timing, debouncing, and lighting control into a single chip, reducing BOM by 40% and enabling firmware updates over-the-air.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F15356-I/SS — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F15356T-I/SS | PIC16F15356-E/SS | PIC16F15355-I/SS | PIC16F15355T-I/SS | PIC16F15344-I/SS |
|---|---|---|---|---|---|---|
| Package | SSOP-28 (5.3 x 10.2 mm) | SSOP-28 (same) | SSOP-28 (same) | SSOP-28 (same) | SSOP-28 (same) | SSOP-28 (same) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 28 KB | 28 KB | 28 KB | 16 KB (-43%) | 16 KB (-43%) | 7 KB (-75%) |
| Data Memory (RAM) | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB | 512 B (-75%) |
| CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Voltage | 2.3-5.5 V | 2.3-5.5 V | 2.3-5.5 V | 2.3-5.5 V | 2.3-5.5 V | 2.3-5.5 V |
| Temperature Range | -40C to +85C (industrial) | -40C to +85C | -40C to +125C (extended) | -40C to +85C | -40C to +85C | -40C to +85C |
| XLP Sleep Current | nanoWatt family typical | Same | Same | Same | Same | Same |
| Peripherals (PWM/CLC/CWG/ADC) | 4/4/1/10-bit | 4/4/1/10-bit | 4/4/1/10-bit | 4/4/1/10-bit | 4/4/1/10-bit | 4/4/1/10-bit |
Key Differentiators
- Highest-density Flash within the SSOP-28 PIC16F153xx family (vs PIC16F15355-I/SS)
- Industrial temperature range with same silicon die (vs PIC16F15356T-I/SS)
- Available with extended temperature grade on identical footprint (vs PIC16F15356-E/SS)
Design Notes
Estimated: at VDD=3.3V and active CPU at 32 MHz, the PIC16F15356 draws approximately 7-9 mA; in Sleep mode with peripherals disabled, XLP currents drop below 50 nA. Add a 100 nF ceramic decoupling capacitor adjacent to each VDD pin (pins 19 and 28 on the SSOP-28) and a bulk 1-10 uF tantalum or ceramic at the supply rail. For battery-powered designs, route the wake-up event through a CLC and gate peripherals to maintain sub-uA quiescent current.
Route ICSPCLK (RB6) and ICSPDAT (RB7) directly to a 6-pin header with traces shorter than 50 mm and series 4.7 kohm pull-ups to VDD. Keep high-current traces (PWM outputs, motor drivers) at least 5 mm away from analog inputs (RA0-RA7) to minimize coupled noise. Place the decoupling capacitors within 3 mm of their respective VDD/VSS pins. The exposed pad of the SSOP-28 is electrically connected to VSS and should be soldered to a ground pour for thermal dissipation.
The PIC16F15356 ships with configuration bits set to internal oscillator and disabled code protection. Always review CONFIG1, CONFIG2, and CONFIG3 in MPLAB X IDE before production programming to enable proper brown-out reset, watchdog timer, and code-protect settings. The CLC inputs default to specific peripheral outputs - remap them through the CLCSELECT register if your design uses non-standard signal routing. Avoid using the 32 kHz crystal mode on pins RA6/RA7 without also disabling the internal oscillator to prevent lockup.
Keep analog and digital ground traces separate at the IC and join them only at the system's ground star point. Use a guard ring around sensitive analog pins (RA0-RA3) tied to a quiet analog ground. Route the VDD traces with at least 0.5 mm width on a 1 oz copper layer to handle the 9 mA active current without significant voltage drop. For SSOP-28's 0.65 mm pitch, ensure your PCB assembly house supports fine-pitch stenciling - use a 0.15 mm thick stainless steel stencil with aperture reductions for pin 1 and pin 28 to prevent solder bridges.
Compliance Information
RoHS and REACH compliant per Microchip product page. The I suffix denotes industrial temperature grade (-40C to +85C); the E suffix denotes extended temperature (-40C to +125C). AEC-Q100 not specifically qualified in standard product line - contact Microchip for AEC-Q100 variants.
