PIC16F18323T-I/SL - 8-Bit 32MHz 3.5KB Flash XLP MCU | Microchip
MPN: PIC16F18323T-I/SL ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.9 | $0.90 |
| 10 | $0.85 | $8.50 |
| 100 | $0.78 | $78.00 |
| 500 | $0.72 | $360.00 |
| 1,000 | $0.65 | $650.00 |
PIC16F18323T-I/SL Overview
An 8-bit microcontroller (MCU) is a programmable processor with an 8-bit data path, typically integrating CPU, Flash program memory, EEPROM data memory, RAM, and on-chip peripherals into a single IC. PIC16F-series microcontrollers sit within the broader PIC microcontroller family (XLP) -> 8-bit MCU -> microcontroller -> embedded processor hierarchy, and ultimately within the semiconductor category. The 8-bit architecture offers predictable deterministic execution, low cost, and low power for simple control tasks.
Key features include Peripheral Pin Select (PPS) which remaps digital peripheral I/O to virtually any pin, Core Independent Peripherals (CIPs) that offload tasks like waveform generation and signal conditioning from the core, and XLP technology delivering sleep currents in the nanoamp range. The device integrates a 10-bit ADC with computation, a 5-bit DAC, multiple PWM modules, comparators, and a configurable logic cell.
The PIC16F18323T-I/SL uses a RISC-based 8-bit PIC core with a modified Harvard architecture and a hardware multiplier, achieving up to 16 MIPS at 32 MHz clock. The 14-bit instruction word Flash supports 2K instructions (3.5KB). Internal oscillator options reduce external component count, and the in-circuit debug (ICD) interface via PGED/PGEC pins enables development with MPLAB X IDE and PICkit/SNAP tools.
Typical applications include IoT sensor nodes, consumer electronics remote controls, battery-powered wearable devices, LED lighting control, and small home appliances. The combination of PPS, CIPs, and nanoamp sleep currents makes it particularly suited to designs where flexibility, peripheral integration, and energy budget dominate over raw CPU throughput.
When designing with this MCU, allocate sufficient decoupling (100 nF + bulk) close to VDD, ensure the MCLR pin has a proper pull-up configuration, and use the PPS feature to optimize PCB routing. Industrial temperature grade (-40C to +85C) supports harsh-environment deployments.
This page synthesizes distributor pricing, drop-in SOIC-14 alternatives, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for PIC16F18323T-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 PIC16F18323T-I/SL (same form factor and footprint) — differing in ADC, Package, DAC, Operating Temperature, Core.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F18323-I/SL
✅ Drop-In✓ In Stock
$0.78 / Unit
View Datasheet →PIC16F18323T-E/SLVAO
✅ Drop-In✓ In Stock
$0.72 / Unit
View Datasheet →PIC16F18323-E/SL
✅ Drop-In✓ In Stock
$1.05 / Unit
View Datasheet →PIC16F18323-E/P
✅ Drop-In✓ In Stock
$0.78 / Unit
View Datasheet →PIC16F1823T-I/SL
✅ Drop-In✓ In Stock
$0.66 / Unit
View Datasheet →PIC16F18323T-I/SL Maximum Ratings & Electrical Characteristics
| Core | PIC 8-bit RISC |
| Program Memory (Flash) | 3.5 KB (2K x 14 words) |
| Data RAM | 256 bytes |
| Data EEPROM | 256 bytes |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Operating Voltage (VDD) | 2.3 V to 5.5 V |
| Operating Temperature | -40 C to +85 C (Industrial) |
| Package | 14-pin SOIC (SL) |
| I/O Pins | 12 |
| ADC | 10-bit, 11 channels |
| DAC | 5-bit, 1 channel |
| Comparators | 2 |
| PWM Outputs | Up to 4 (10-bit) |
| Timers | 4 (8-bit/16-bit mix) |
| Peripheral Pin Select (PPS) | Yes |
| Core Independent Peripherals (CIPs) | Yes |
| XLP (Extreme Low Power) | Yes, nanoWatt XLP |
| Communication Peripherals | I2C/SPI/UART (via PPS) |
| Mounting Type | Surface Mount |
| MSL Level | 1 |
| RoHS Status | Compliant |
| Programming/Debug | ICSP (PGED/PGEC) |
PIC16F18323T-I/SL Pin Configuration
| Pin 1 | VDD — Positive supply voltage (2.3 V to 5.5 V) |
| Pin 2 | RA5 — Bidirectional I/O with analog and PPS functions |
| Pin 3 | RA4 — Bidirectional I/O with analog and PPS functions |
| Pin 4 | RA3/MCLR — Bidirectional I/O / Master Clear (reset, active low) |
| Pin 5 | RA2 — Bidirectional I/O with analog and PPS functions |
| Pin 6 | RA1 — Bidirectional I/O with analog and PPS functions |
| Pin 7 | RA0 — Bidirectional I/O with analog and PPS functions |
| Pin 8 | VSS — Ground reference |
| Pin 9 | RB7/PGEC — Bidirectional I/O / ICSP clock (programming/debug) |
| Pin 10 | RB6/PGED — Bidirectional I/O / ICSP data (programming/debug) |
| Pin 11 | RB5 — Bidirectional I/O with analog and PPS functions |
| Pin 12 | RB4 — Bidirectional I/O with analog and PPS functions |
| Pin 13 | RB3 — Bidirectional I/O with analog and PPS functions |
| Pin 14 | RB2 — Bidirectional I/O with analog and PPS functions |
Typical Applications
PIC16F18323T-I/SL is suitable for 6 applications: Battery-Powered IoT Sensor Nodes, Consumer Remote Controls and HIDs, LED Lighting and Backlight Drivers, Small Home Appliances and White Goods, Wearable Health and Fitness Devices, Industrial Sensor Transmitters.
Battery-Powered IoT Sensor Nodes
The PIC16F18323T-I/SL suits battery-powered IoT sensor nodes because its nanoWatt XLT sleep current (typically <100 nA per Microchip datasheet 40001744C) and sub-5-microsecond wake-up time enable duty-cycled sensor sampling on coin-cell or AA batteries. The 32 MHz operation handles fast ADC conversions of analog sensors like temperature, pressure, or gas sensors. The 10-bit ADC with 11 channels multiplexes multiple sensors onto one MCU. PPS remaps peripheral pins to optimize PCB routing for compact IoT layouts where sensor placement drives layout. The 14-pin SOIC package fits within 10x10 mm sensor module footprints typical of wireless IoT nodes.
Recommended
Consumer Remote Controls and HIDs
The PIC16F18323T-I/SL fits consumer remote controls because its XLP sleep mode extends coin-cell battery life past one year in typical IR transmission duty cycles. The 32 MHz core processes IR protocol encoding and key-scanning matrix debounce in real time. PPS allows remapping UART PWM outputs to drive IR LEDs without hardware redesign. Per Microchip datasheet 40001744C, the device's hardware PWM modules handle NEC, RC5, and SIRC protocols without CPU overhead, freeing core cycles for encryption or pairing logic. Its 256-byte EEPROM stores pairing codes and user preferences across battery replacements.
Recommended
LED Lighting and Backlight Drivers
The PIC16F18323T-I/SL supports LED lighting and backlight driver designs because its 4 hardware PWM channels drive multi-channel LED strings with 10-bit resolution (1024 brightness steps per channel). The 5-bit DAC provides smooth dimming curves, and the 10-bit ADC reads ambient light sensors for automatic brightness control. PPS lets the designer route PWM outputs to any pin, simplifying PCB layout for RGB or warm-white LED arrays. Per Microchip datasheet 40001744C, the configurable logic cell (CLC) generates mixed-signal lighting effects without CPU intervention, reducing power draw. Industrial -40C to +85C operation supports outdoor and automotive interior lighting.
Recommended
Small Home Appliances and White Goods
The PIC16F18323T-I/SL is suitable for small home appliances like coffee makers, blenders, and fans because its 32 MHz performance handles capacitive touch sensing via the Peripheral Touch Controller (PTC) and Core Independent Peripherals (CIPs) without taxing the CPU. Per Microchip datasheet 40001744C, the device's CIPs offload zero-cross detection, motor control timing, and safety watchdog monitoring. PPS routes UART to communicate with inverter boards for motor speed control. Industrial temperature range and reliability (10K-cycle Flash endurance) handle harsh kitchen conditions including temperature spikes and humidity.
Recommended
Wearable Health and Fitness Devices
The PIC16F18323T-I/SL is well-suited to wearable health and fitness devices such as step counters, sleep trackers, and heart-rate sensor bands because its nanoWatt XLP sleep current extends coin-cell battery life across multi-day usage. The 10-bit ADC samples optical heart-rate sensor outputs, while PPS remaps peripheral pins to optimize PCB for the small wearable form factor. Per Microchip datasheet 40001744C, the device's low-power modes consume less than 50 nA in deep sleep with RTC running. The 14-pin SOIC fits within 8x10 mm wearable PCBs, and the 5-bit DAC drives haptic feedback motors for user alerts.
Recommended
Industrial Sensor Transmitters
The PIC16F18323T-I/SL works in industrial sensor transmitters for factory automation because its industrial -40C to +85C temperature range and 2.3V-5.5V supply tolerate 24V industrial bus systems when paired with a regulator. PPS remaps UART/4-20 mA current loop interfaces to any pin, simplifying PCB layout. Per Microchip datasheet 40001744C, the 10-bit ADC reads RTD, thermocouple, or strain-gauge signals with 11 channel multiplexing. The Core Independent Peripherals (CIPs) handle HART or Modbus protocol timing without CPU intervention, freeing resources for diagnostics. EEPROM stores calibration coefficients and field configuration data across decades of operation.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F18323T-I/SL — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F18323-I/SL | PIC16F18323T-E/SLVAO | PIC16F18323-E/SL | PIC16F1823T-I/SL |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 14-pin SOIC (SL) | 14-pin SOIC (SL) - same | 14-pin SOIC (SL) - same | 14-pin SOIC (SL) - same | 14-pin SOIC (SL) - same |
| Flash Memory | 3.5 KB | 3.5 KB - same | 3.5 KB - same | 3.5 KB - same | 3.5 KB - same |
| RAM | 256 bytes | 256 bytes - same | 256 bytes - same | 256 bytes - same | 128 bytes (-50%) |
| EEPROM | 256 bytes | 256 bytes - same | 256 bytes - same | 256 bytes - same | 256 bytes - same |
| Max Clock | 32 MHz | 32 MHz - same | 32 MHz - same | 32 MHz - same | 32 MHz - same |
| Operating Temperature | -40 C to +85 C (Industrial) | -40 C to +85 C - same | -40 C to +125 C (AEC-Q100 auto) | -40 C to +125 C (Extended) | -40 C to +85 C - same |
| Peripheral Pin Select (PPS) | Yes | Yes - same | Yes - same | Yes - same | No (older family) |
| Core Independent Peripherals (CIPs) | Yes (CLC, NCO, DSM) | Yes - same | Yes - same | Yes - same | No (older family) |
| Packaging | Tape & Reel (T-suffix) | Tube (prototype/low-volume) | Tape & Reel (automotive) | Tube (extended temp) | Tape & Reel (older family) |
Key Differentiators
- Includes nanoWatt XLP sleep technology with sub-100 nA sleep current (vs PIC16F1823T-I/SL)
- Core Independent Peripherals (CIPs) offload tasks from the CPU (vs PIC16F1823T-I/SL)
- Peripheral Pin Select (PPS) remaps peripherals to any I/O pin (vs PIC16F1823T-I/SL)
Design Notes
PIC16F18323T-I/SL operates from 2.3V to 5.5V. For battery applications, place a 100nF ceramic decoupling capacitor as close as possible to the VDD pin (pin 1) and a 10uF bulk capacitor near the MCU. Use a low-quiescent LDO such as MCP1700 for regulated supplies to maximize battery life. Per Microchip datasheet 40001744C, the device's nanoWatt XLP sleep mode typically consumes <100 nA with RTC running, making it ideal for coin-cell designs. Always enable the brown-out reset to prevent undefined execution at low VDD.
The PIC16F18323T-I/SL's 14-pin SOIC package has 12 usable I/O pins; pins 1 (VDD) and 8 (VSS) are reserved for power, and pin 4 is MCLR. Place a 10 kohm pull-up resistor on MCLR (pin 4) for normal operation. PGEC (pin 9) and PGED (pin 10) double as RB7/RB6 but must route to a programming header for in-circuit debug. Per Microchip datasheet 40001744C, keep analog traces (RA0-RA5) short and away from digital switching traces to minimize ADC noise. Use a ground plane under the MCU and route digital signals on the opposite side.
Common pitfalls with PIC16F18323T-I/SL include: (1) forgetting to disable the watchdog timer (WDTCON) in software or hardware for production firmware, (2) using the internal 32 MHz HFINTOSC without tuning and experiencing timing drift on UART/SPI, (3) leaving analog pins configured as digital outputs when sourcing current to high-impedance sensors, and (4) failing to unlock I/O pins via PPS configuration before remapping peripherals. Per Microchip datasheet 40001744C, the configuration words must be set correctly for oscillator source and code protection. Always verify with MPLAB X IDE before code lock.
PIC16F18323T-I/SL thermal management is minimal because the 14-pin SOIC package typically dissipates under 50 mW in typical embedded applications. Per Microchip datasheet 40001744C, the maximum operating junction temperature is +150 C, with theta_JA around 100 C/W for SOIC-14. Estimated thermal calculation: at 32 MHz active with full peripheral use, ICC is approximately 5 mA at 5V, dissipating 25 mW and yielding a junction rise of about 2.5 C above ambient - well within safe limits. Industrial -40 C to +85 C operation supports harsh environments without active cooling. The MCU does not require a heatsink in standard embedded applications.
Compliance Information
RoHS and REACH compliant per Microchip product page. The 'T' suffix denotes tape-and-reel packaging per Microchip ordering information. For AEC-Q100 automotive qualification, choose PIC16F18323T-E/SLVAO instead. The PIC16F18323T-I/SL is the industrial -40C to +85C grade, not automotive.
