PIC16F15323T-I/SL - 8-bit 32MHz XLP MCU, 3.5KB Flash | Microchip
MPN: PIC16F15323T-I/SL ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.2 | $1.20 |
| 10 | $1.08 | $10.80 |
| 100 | $0.95 | $95.00 |
| 500 | $0.84 | $420.00 |
| 1,000 | $0.74 | $740.00 |
| 2,600 | $0.66 | $1,716.00 |
PIC16F15323T-I/SL Overview
An 8-bit microcontroller (MCU) is a small, self-contained computer-on-a-chip that combines a CPU, program memory (Flash/ROM), working memory (SRAM), and peripherals on a single die. PIC microcontrollers use a modified Harvard RISC architecture with a 14-bit instruction word optimized for deterministic interrupt response and very low active/idle power, making them a workhorse of the 8-bit embedded market alongside the AVR and 8051 families.
Key features of the PIC16F15323T-I/SL include a 5-bit DAC, 10-bit ADC with computation, two comparators, four Configurable Logic Cells (CLC), a Complementary Waveform Generator (CWG), four PWM channels, and a 32 MHz internal oscillator. Communication is handled by EUSART, SPI, and I²C peripherals, while Core Independent Peripherals (CIPs) such as the CLC and CWG offload tasks from the CPU, lowering power and code size.
The device operates from 2.3 V to 5.5 V with a -40 °C to +85 °C industrial temperature range and is qualified to MSL Level 3 (168 hours). The XLP variants target nanoWatt sleep currents, making the part attractive for battery-powered sensor nodes, IoT endpoints, and always-on household appliances where sleep current dominates the energy budget.
Typical applications include low-power IoT sensor nodes, battery-powered home appliances, LED lighting control, motor control loops, and general-purpose logic replacement. Designers should consult Microchip's MPLAB X IDE and XC8 compiler toolchain and reference the CLC/CWG application notes from Microchip for hard real-time tasks.
When designing in the PIC16F15323T-I/SL, decouple VDD with a 100 nF ceramic capacitor placed within 5 mm of the pin and use the internal 32 MHz HFINTOSC to avoid external crystal pads on cost-sensitive boards. The CWG block can synthesize complementary gate-drive waveforms, but always verify dead-band timing against your MOSFET's input capacitance.
Drop-in alternatives for PIC16F15323T-I/SL — 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 PIC16F15323T-I/SL (same form factor and footprint) — differing in ADC, Package, Communication, DAC, Data SRAM.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F15323-I/SL
✅ Drop-In✓ In Stock
$0.84 / Unit
View Datasheet →PIC16F15323-E/SL
✅ Drop-In✓ In Stock
$0.74 / Unit
View Datasheet →PIC16F18323-I/SL
✅ Drop-In✓ In Stock
$0.78 / Unit
View Datasheet →ATtiny402-SSN
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F15323T-I/SL Maximum Ratings & Electrical Characteristics
| Product Family | PIC16(L)F153xx |
| CPU Core | PIC16 8-bit RISC |
| Max CPU Clock | 32 MHz |
| Program Memory (Flash) | 3.5 KB (2K x 14 words) |
| Data SRAM | 256 bytes |
| Operating Voltage | 2.3 V to 5.5 V |
| ADC | 10-bit ADC with computation |
| DAC | 5-bit DAC |
| Comparators | 2 |
| Configurable Logic Cells (CLC) | 4 |
| PWM Channels | 4 |
| Complementary Waveform Generator (CWG) | Yes |
| Communication | EUSART, SPI, I²C |
| Timers | 5 |
| Operating Temperature | -40 °C to +85 °C (Industrial) |
| Package | 14-SOIC (SL) |
| Mounting Type | Surface Mount |
| MSL Level | 3 (168 hours) |
| XLP Technology | Yes (nanoWatt) |
| RoHS Status | Compliant |
PIC16F15323T-I/SL Pin Configuration
| Pin 1 | RA5 — Bidirectional I/O / DAC output reference |
| Pin 2 | RA4 — Bidirectional I/O |
| Pin 3 | RA3 — Bidirectional I/O / MCLR |
| Pin 4 | RA2 — Bidirectional I/O |
| Pin 5 | RA1 — Bidirectional I/O / ICSPCLK |
| Pin 6 | RA0 — Bidirectional I/O / ICSPDAT |
| Pin 7 | VSS — Ground reference |
| Pin 8 | RC5 — Bidirectional I/O / PWM/CWG output |
| Pin 9 | RC4 — Bidirectional I/O / PWM output |
| Pin 10 | RC3 — Bidirectional I/O / PWM/CWG output |
| Pin 11 | RC2 — Bidirectional I/O / PWM output |
| Pin 12 | RC1 — Bidirectional I/O / EUSART/SPI/I²C |
| Pin 13 | RC0 — Bidirectional I/O / EUSART/SPI/I²C |
| Pin 14 | VDD — Positive supply voltage (2.3V to 5.5V) |
Typical Applications
PIC16F15323T-I/SL is suitable for 7 applications: Battery-Powered IoT Sensor Node, Complementary Motor Gate Drive (BLDC / PMSM), LED Lighting and Dimming Control, Home Appliance User Interface (HMI), Portable Medical and Wellness Wearables, Industrial Sensor Conditioning and Logic-Replacement, Automotive Body and Lighting Modules (Non-Safety).
Battery-Powered IoT Sensor Node
The PIC16F15323T-I/SL's XLP nanoWatt sleep currents (under 50 nA typical) and 2.3-5.5 V supply make it ideal for coin-cell and 2xAAA sensor nodes transmitting temperature, humidity, or motion events every few minutes. Its integrated 10-bit ADC with computation oversamples autonomously, waking the CPU briefly only when a threshold fires, which extends battery life from months to years. The EUSART and I²C peripherals handle sub-GHz radio modules such as the MRF89XA, while the CLC block can debounce mechanical switches without software.
Recommended
Complementary Motor Gate Drive (BLDC / PMSM)
The Complementary Waveform Generator (CWG) peripheral produces hardware-timed complementary PWM outputs with programmable dead-band, eliminating software jitter and freeing the CPU for commutation and current sensing. The PIC16F15323T-I/SL pairs this with four independent PWM channels and two comparators that trip on overcurrent, enabling sensorless BLDC fan or pump control from a single chip. With 32 MHz execution, 10-bit ADC conversions fit inside a single PWM period at 25 kHz switching frequency.
Recommended
LED Lighting and Dimming Control
The PIC16F15323T-I/SL's four PWM channels drive RGB or tunable-white LED strings with 10-bit resolution, while the CLC block implements zero-cross detection to support TRIAC-dimmable retrofit bulbs without external logic. Its 1.8 V typical minimum operating voltage extends dimming deep into the TRIAC hold-current range. The 5-bit DAC provides a low-cost reference for closed-loop current regulation, and XLP sleep currents keep standby power below 100 mW to meet ENERGY STAR and EU Ecodesign requirements.
Recommended
Home Appliance User Interface (HMI)
For microwave ovens, washing machines, and coffee makers, the PIC16F15323T-I/SL replaces discrete logic with CLC-driven capacitive-touch decoding, PWM backlight control, and EUSART communication to the main controller. The 256-byte SRAM is sufficient for menu state machines, while the 3.5 KB Flash holds look-up tables for cooking profiles. Industrial-grade -40 to +85 °C operation tolerates the thermal environment behind an oven fascia, and the 14-SOIC package fits beneath a 7-segment or TFT daughter-board.
Recommended
Portable Medical and Wellness Wearables
The PIC16F15323T-I/SL's nanoWatt sleep modes and integrated peripherals suit wearable heart-rate, pulse-oximetry, and step-counter designs where the MCU spends 99% of the time sleeping. The 10-bit ADC samples photodiode currents from a pulse-ox sensor, while the 5-bit DAC biases the LED driver. With 14-SOIC footprint and a small external analog chain, the total BOM can fit on a 10 mm × 10 mm PCB. Hardware CIPs run the PPG algorithm core independently of the CPU, lowering average current draw.
Recommended
Industrial Sensor Conditioning and Logic-Replacement
In factory automation panels, the PIC16F15323T-I/SL serves as a programmable logic-replacement IC that combines timing, ADC, comparators, and CLC-based decision logic in a single 14-SOIC. Engineers replace banks of 555 timers, op-amps, and discrete logic with one MCU, cutting board area by up to 60%. Its 32 MHz CPU and 8 MIPS execution speed close PID loops on temperature or pressure in software while the CLC handles safety interlocks in hardware. Industrial -40 to +85 °C rating covers most cabinet environments.
Recommended
Automotive Body and Lighting Modules (Non-Safety)
Although the PIC16F15323T-I/SL is not AEC-Q100 qualified, it is widely used in non-safety automotive body modules such as ambient lighting, puddle lamps, and convenience electronics where industrial-grade -40 to +85 °C operation suffices. Its CWG peripheral generates complementary MOSFET gate signals for LED drivers, while the comparators monitor battery voltage for brown-out detection. Designers needing AEC-Q100 should consider the PIC16F15323-E/SL extended-temperature variant or upgrade to the PIC16F18855 family.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F15323T-I/SL — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F15323-I/SL | PIC16F15323-E/SL | PIC16F18323-I/SL | ATtiny402-SSN |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology (Atmel line) |
| Package | 14-SOIC (SL) | 14-SOIC (SL) - same | 14-SOIC (SL) - same | 14-SOIC (SL) - same | 14-SOIC (SL) - same |
| CPU Core | PIC16 8-bit (32 MHz) | PIC16 8-bit (32 MHz) | PIC16 8-bit (32 MHz) | PIC16 8-bit (32 MHz) | AVR 8-bit (20 MHz) |
| Program Memory (Flash) | 3.5 KB | 3.5 KB | 3.5 KB | 3.5 KB | 4 KB |
| Data SRAM | 256 bytes | 256 bytes | 256 bytes | 256 bytes | 256 bytes |
| 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 | 1.8 V to 5.5 V |
| Operating Temperature | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +125 °C | -40 °C to +85 °C | -40 °C to +125 °C |
| CLC (Configurable Logic Cells) | 4 | 4 | 4 | 0 (no CLC) | Custom Logic equivalent |
| CWG (Complementary Waveform Generator) | Yes | Yes | Yes | No | No |
| Packaging Format | Tape & Reel | Tube | Tube / T&R | Tube | Tube / T&R |
Key Differentiators
- Includes Complementary Waveform Generator (CWG) and 4 CLCs as Core Independent Peripherals (vs PIC16F18323-I/SL)
- 14-pin SOIC industrial-grade with extended family upgrade path (vs ATtiny402-SSN)
- Tape-and-reel packaging for SMT production lines (vs PIC16F15323-I/SL)
Design Notes
Place a 100 nF decoupling capacitor within 5 mm of the VDD pin and a 10 µF bulk capacitor near the supply rail. Use the internal HFINTOSC to avoid external crystal leakage; if you must use an external crystal, follow Microchip's AN1288 PCB layout guidelines to keep the trace between OSC1 and OSC2 short and guarded by a ground pour. Estimated: total BOM cost adds $0.02-0.05 in passives but ensures clean ADC readings.
The 14-SOIC package has a theta_JA of approximately 80 °C/W, which is more than sufficient for the PIC16F15323's typical 5 mA active / 30 nA sleep currents. No heatsink is required in normal operation. If the application runs the CPU at 32 MHz with all peripherals active continuously, junction temperature rise remains under 5 °C, leaving ample headroom inside the industrial -40 to +85 °C window.
Route MCLR separately and pull it high with a 10 kΩ resistor when using the internal oscillator. If using ICSP, add the standard Microchip 5-pin header footprint even in production to allow field firmware updates. Keep ADC traces short and away from PWM/CWG switching signals to avoid coupling into the 10-bit ADC's reference voltage.
Do not confuse the PIC16F15323 (3.5 KB Flash) with the PIC16F15324 (7 KB Flash)—they share a 14-SOIC pinout but different code-memory sizes. Also, the 'T' suffix denotes Tape & Reel, while '-I' is industrial temperature grade; verify both ordering codes before placing the production order. Finally, the ATtiny402 is pin-compatible only at the 14-SOIC level, but requires code rewrite for AVR core.
When using the CWG to drive MOSFET gates, place a 100 Ω series resistor within 5 mm of the MCU pin to dampen ringing, and keep gate traces short and matched. For SPI bus speeds above 4 MHz, add 22-33 Ω series resistors and keep clock and data traces the same length on the PCB to maintain signal integrity. Use a ground guard via fence around high-speed signals.
Compliance Information
RoHS compliant per Microchip product page; not AEC-Q100 qualified. Industrial -40 to +85 °C operating range. MSL Level 3 (168 hours). XLP technology certified by Microchip's nanoWatt branding.
