PIC16F15345T-I/SS - 8-Bit 32MHz 14KB Flash MCU | Microchip
MPN: PIC16F15345T-I/SS β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.85 | $1.85 |
| 10 | $1.66 | $16.60 |
| 100 | $1.39 | $139.00 |
| 500 | $1.18 | $590.00 |
| 1,000 | $1.04 | $1,040.00 |
PIC16F15345T-I/SS Overview
What is an 8-bit PIC microcontroller? An 8-bit PIC microcontroller is a programmable system-on-chip that integrates a CPU, Flash program memory, RAM, peripherals, and I/O on a single CMOS die. The PIC architecture (Peripheral Interface Controller) executes instructions on 8-bit data words, with separate program and data buses (Harvard architecture), enabling deterministic instruction timing. 8-bit MCUs belong to the broader category of microcontrollers (MCUs), which sit within embedded computing and semiconductor devices. The 'XLP' designation indicates eXtreme Low Power operating modes suitable for battery-powered and energy-harvesting designs.
Key features of the PIC16F15345T-I/SS include 18 I/O pins, four 10-bit PWM outputs, a 10-bit ADC with computation, two comparators, a 5-bit DAC, two EUSART modules, SPI and I2C interfaces, four Configurable Logic Cells (CLC), a Complementary Waveform Generator (CWG), and a wide 2.3V to 5.5V operating voltage range. The -I temperature grade supports -40C to +85C industrial operation.
Architecturally, the PIC16F15345 uses a 14-bit instruction word, four clock sources (HFINTOSC 16MHz selectable to 32MHz, LFINTOSC 31kHz, external crystal, external clock), and a 16-level hardware stack. The CIPs allow complex functions such as signal generation, waveform measurement, and motor control timing without CPU intervention. On-chip peripherals such as the Peripheral Module Disable (PMD) and Sleep with peripherals running enable nanoWatt XLP power consumption.
Typical applications include low-power IoT sensor nodes, consumer appliance controls, battery-powered handheld instruments, LED lighting controllers, and small motor-control loops using the CWG and PWM combination. The CLCs enable glue-logic replacement and custom interface generation, useful in space-constrained designs that previously required discrete logic.
When designing with the PIC16F15345T-I/SS, ensure decoupling capacitors (typically 100nF plus 10uF bulk) are placed close to VDD and VSS, follow the trace-length guidelines in the Microchip datasheet's Section 2.0 'Guidelines for Getting Started with PIC16(L)F153XX Microcontrollers', and verify the in-circuit serial programming (ICSP) connections for production-line firmware updates. The wide 2.3V-5.5V range allows direct 3.3V or 5V operation from a single-cell Li-ion or two AA batteries.
This page synthesizes distributor stock and pricing, drop-in alternatives within the PIC16F153xx family, application-specific design guidance, and side-by-side comparison parameters - engineering context not found on a standalone manufacturer product brief.
Drop-in alternatives for PIC16F15345T-I/SS β 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 PIC16F15345T-I/SS (same form factor and footprint) β differing in ADC, Package, Mounting Type, Program Memory (Flash), Data RAM.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
PIC16F15345-I/SS
β Drop-Inπ Reference alternative (not in catalog)
PIC16F15344T-I/SS
β Drop-Inπ Reference alternative (not in catalog)
PIC16F15325T-I/SL
β Drop-Inπ Reference alternative (not in catalog)
PIC16F18345T-I/SS
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
PIC16F15254-I/SS
β Drop-Inβ In Stock
$0.55 / Unit
View Datasheet βPIC16F1459-I/SS
β Drop-Inβ In Stock
$1.55 / Unit
View Datasheet βPIC16F15345T-I/SS Maximum Ratings & Electrical Characteristics
| Core Architecture | 8-bit PIC16 (Harvard, 14-bit instruction word) |
| Family | PIC16(L)F153xx (XLP, Core Independent Peripherals) |
| Maximum CPU Frequency | 32 MHz |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| Data RAM | 1 KB (1024 bytes) |
| I/O Pins | 18 |
| Operating Voltage Range | 2.3 V to 5.5 V |
| ADC | 10-bit, with computation |
| PWM Channels | 4 x 10-bit |
| Comparators | 2 |
| DAC | 5-bit |
| Configurable Logic Cells (CLC) | 4 |
| Complementary Waveform Generator (CWG) | 1 |
| EUSART Modules | 2 |
| SPI / I2C | 1 x SPI, 1 x I2C |
| Timers | 3 x 8/16-bit (TMR0/1/2) |
| Watchdog Timer | Yes (WDT with dedicated LFINTOSC) |
| Brown-Out Detect / Power-On Reset | Yes (BOR / POR) |
| Internal Oscillators | HFINTOSC (selectable up to 32 MHz), LFINTOSC (31 kHz) |
| Package | 20-pin SSOP (5.30 mm body, 0.65 mm pitch) |
| Mounting Type | Surface Mount (Tape & Reel) |
| Operating Temperature Range | -40 C to +85 C (Industrial, -I suffix) |
| MSL Level | 1 |
| RoHS Status | Compliant |
| Instruction Set | Enhanced Mid-Range (49 instructions, 16-level hardware stack) |
PIC16F15345T-I/SS Pin Configuration
| Pin 1 | RA0/ICSPDAT β Bidirectional I/O; ICSP data; analog input |
| Pin 2 | RA1/ICSPCLK β Bidirectional I/O; ICSP clock; analog input |
| Pin 3 | RA2 β Bidirectional I/O; analog input |
| Pin 4 | RA3/MCLR β Bidirectional I/O; Master Clear reset (active low) |
| Pin 5 | RA4 β Bidirectional I/O; analog input |
| Pin 6 | RA5 β Bidirectional I/O; analog input |
| Pin 7 | RA6 β Bidirectional I/O |
| Pin 8 | RA7 β Bidirectional I/O |
| Pin 9 | VSS β Ground reference |
| Pin 10 | RB0 β Bidirectional I/O; analog input; interrupt-on-change |
| Pin 11 | RB1 β Bidirectional I/O; analog input; interrupt-on-change |
| Pin 12 | RB2 β Bidirectional I/O; analog input |
| Pin 13 | RB3 β Bidirectional I/O; analog input |
| Pin 14 | RB4 β Bidirectional I/O; interrupt-on-change |
| Pin 15 | RB5 β Bidirectional I/O; interrupt-on-change |
| Pin 16 | RB6 β Bidirectional I/O; interrupt-on-change |
| Pin 17 | RB7 β Bidirectional I/O; interrupt-on-change; ICSP clock alternate |
| Pin 18 | VDD β Positive supply voltage (2.3V to 5.5V) |
| Pin 19 | VSS β Ground reference (or AVSS) |
| Pin 20 | VDD β Positive supply voltage (or AVDD) |
Typical Applications
PIC16F15345T-I/SS is suitable for 8 applications: Battery-Powered IoT Sensor Node, Consumer Appliance Control Board, LED Lighting and Backlight Controller, Low-Power Handheld Instrument, Small Motor-Control Loop (Fan/Pump), Industrial Sensor Hub / Remote I/O, Automotive Body Electronics (Non-Safety), Educational / Hobbyist Prototyping Board.
Battery-Powered IoT Sensor Node
The PIC16F15345T-I/SS suits battery-powered IoT sensor nodes because of its XLP nanoWatt Sleep modes with peripheral activity, where the ADC and comparators can wake the CPU on threshold events. The 32MHz CPU supports 8 MIPS processing, while 14KB Flash accommodates BLE/Zigbee/LoRaWAN MAC stacks. The 2.3V to 5.5V range allows single-cell Li-ion or 2x AA operation. Designers place a 100nF decoupling cap within 3mm of VDD and use Sleep mode with RTCC running for years of battery life.
Recommended
Consumer Appliance Control Board
The PIC16F15345T-I/SS fits consumer appliance controls (washing machines, dishwashers, microwave ovens) due to its 18 GPIO, 4 PWM channels, and 2 comparators supporting user interfaces, motor drivers, and sensor feedback. The 5-bit DAC and 10-bit ADC with computation simplify temperature and current sensing. The 32MHz performance handles real-time user-interface refresh without jitter, while the 20-pin SSOP enables compact PCB layouts under the keypad.
Recommended
LED Lighting and Backlight Controller
The PIC16F15345T-I/SS serves LED lighting controllers using its Complementary Waveform Generator (CWG) for dead-band-controlled half-bridge LED driving and 4 PWM channels for multi-channel dimming. The CLCs allow custom PWM dithering and fade logic without CPU intervention, lowering power consumption. The wide 2.3V to 5.5V range simplifies direct 3.3V/5V rail operation, while 14KB Flash stores lighting profiles, DMX512 address tables, and color-mixing curves.
Recommended
Low-Power Handheld Instrument
The PIC16F15345T-I/SS fits handheld measurement instruments such as multimeters, thermometers, and IR thermometers due to its 10-bit ADC with computation, two comparators for window detection, and 5-bit DAC for sensor excitation. The 32MHz performance supports real-time averaging and calibration routines, while the XLP Sleep with RTCC keeps battery life to multi-year ranges. The 20-pin SSOP package supports compact handheld enclosures with limited PCB area.
Recommended
Small Motor-Control Loop (Fan/Pump)
The PIC16F15345T-I/SS handles small brushed-DC or PWM-driven BLDC fan and pump controllers using its CWG for dead-band generation, 4 PWM channels for closed-loop speed control, and 10-bit ADC for current/voltage sensing. The CLCs implement hardware-tachometer edge detection, offloading the CPU. The 32MHz MIPS rate sustains PID loops at kHz rates, while the -I temperature grade supports industrial environments under enclosed motor housings.
Recommended
Industrial Sensor Hub / Remote I/O
The PIC16F15345T-I/SS serves industrial sensor hubs (Modbus RTU, CAN-bus interfaces, 4-20mA sensor aggregators) using its 2 EUSART modules, SPI and I2C for multi-protocol sensor aggregation, and 18 GPIO for digital inputs. The 14KB Flash hosts Modbus/CANopen stack, while 1KB RAM holds configuration tables and I/O maps. The CLCs implement hardware debouncing and pulse counting, reducing CPU interrupt load. Industrial -40C to +85C operation matches factory floor requirements.
Recommended
Automotive Body Electronics (Non-Safety)
The PIC16F15345T-I/SS is suited for non-safety automotive body electronics such as ambient lighting controllers, seat-position switches, and rain-sensor interfaces. Its 32MHz CPU drives LIN-bus stacks, while the 4 PWM channels support RGB ambient lighting via MOSFET drivers. The wide 2.3V to 5.5V range handles load-dump-tolerant 5V rails after external TVS protection. Note: the -I grade (85C) is NOT AEC-Q100 qualified; for safety-relevant applications select PIC16F15345-E or automotive-grade variants.
Recommended
Educational / Hobbyist Prototyping Board
The PIC16F15345T-I/SS is well matched to low-cost PIC development boards (PICkit-compatible headers, Curiosity development platform) used for teaching mid-range microcontroller concepts. The 14KB Flash hosts sample C projects for ADC, PWM, CLC, and EUSART, while the 20-pin SSOP footprint exposes all 18 I/O to breadboard-friendly headers. The 32MHz performance supports introductory RTOS demonstrations (FreeRTOS-PIC16 port), and the XLP modes illustrate power-aware embedded design.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F15345T-I/SS β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F15345-I/SS | PIC16F15344T-I/SS | PIC16F18345T-I/SS | PIC16F15254-I/SS | PIC16F1459-I/SS |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 20-SSOP | 20-SSOP - same | 20-SSOP - same | 20-SSOP - same | 20-SSOP - same | 20-SSOP - same |
| Program Memory (Flash) | 14 KB | 14 KB | 7 KB | 14 KB | 7 KB | 14 KB |
| Data RAM | 1 KB | 1 KB | 1 KB | 1 KB | 512 B | 1 KB |
| Maximum CPU Frequency | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 20 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 | 18 | 18 | 18 | 18 | 18 | 18 |
| CLC (Configurable Logic Cells) | 4 | 4 | 4 | 4 | 0 | 0 |
| USB Support | No | No | No | No | No | Yes (USB 2.0 FS) |
| Temperature Grade | -40 C to +85 C (Industrial) | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
Key Differentiators
- 4 CLCs + CWG for hardware glue-logic replacement (vs PIC16F15254-I/SS)
- 32MHz maximum frequency vs 20MHz on PIC16F1459 (vs PIC16F1459-I/SS)
- 14KB Flash vs 7KB on PIC16F15344 (vs PIC16F15344T-I/SS)
- Tape-and-reel packaging optimized for SMT lines (vs PIC16F15345-I/SS)
Design Notes
Place a 100nF decoupling capacitor within 3mm of VDD (pin 18) and a bulk 10uF tantalum or ceramic near the VDD/VSS pair. For battery-powered designs, leverage the XLP Sleep mode with RTCC running: typical Sleep current is <1uA with full RAM retention and RTCC wake events every 1 second. The internal HFINTOSC can be switched to 32kHz LFINTOSC for ultra-low-power ADC conversions where high frequency is not required.
The 20-pin SSOP has 0.65mm pin pitch; route 8-10mil traces with 8-10mil clearances. Use a 4-layer board with continuous ground plane on layer 2 directly under the MCU. Keep the ICSP lines (RA0/ICSPDAT, RA1/ICSPCLK) trace lengths under 50mm to avoid programmer communication failures. Place the MCLR pull-up (typically 10kohm) close to pin 4; do not omit this resistor or the device may fail to start cleanly.
Common pitfalls: (1) Do not exceed 5.5V on VDD - the F-variant is not rated for high-voltage operation; use the HV (high-voltage) PIC16F variants if you need 12V or 24V direct supply. (2) The MCLR pin must NOT be left floating; tie through 10kohm to VDD or it will reset intermittently. (3) When using the internal HFINTOSC at 32MHz with ADC, set OSCTUNE and the ADFM/ADCS bits per the datasheet's Section 30 'ADC' to achieve +/- 1 LSB accuracy. (4) The CLC inputs must be configured with their correct trigger sources or the CLC will output a constant logic level.
For designs using SPI at high speeds (>8MHz), keep SPI clock and data traces matched in length within 5mm, and add 22-33ohm series-termination resistors near the source pins. I2C lines require 4.7kohm pull-ups (or lower for higher speeds) on SCL and SDA; if using I2C with multi-master, verify the bus idle detection (BIF) handling per datasheet Section 31. For EUSART RS-485 communication, add 120ohm termination only at the cable ends, not at stub nodes.
Compliance Information
RoHS and REACH compliant per Microchip product page. -I grade is NOT AEC-Q100 qualified; for automotive safety applications select automotive-grade variants (e.g., PIC16F15345-E/VAO with -40C to +125C automotive screening). Lead-free and halogen-free per MSL-1 JEDEC J-STD-020 reflow rating.
