PIC16F15344-E/SS - 8-bit MCU, 7KB Flash, 32MHz, 20-SSOP | Microchip
MPN: PIC16F15344-E/SS ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.21 | $1.21 |
| 10 | $1.16 | $11.60 |
| 100 | $1.05 | $105.00 |
| 500 | $0.95 | $475.00 |
| 1,000 | $0.87 | $870.00 |
PIC16F15344-E/SS Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash, SRAM, EEPROM), and programmable I/O peripherals. The PIC16F15344 belongs to Microchip's enhanced mid-range 8-bit core family with 49 instructions and 16 stack levels, executing most instructions in one instruction cycle. Within the broader taxonomy, it is an 8-bit MCU -> microcontroller -> embedded processor -> semiconductor device, designed for general-purpose and low-power embedded control.
Key features of the PIC16F15344-E/SS include four 10-bit PWM outputs, a 5-bit DAC, a comparator, a 10-bit ADC with computation (ADCC), four Configurable Logic Cells (CLC), a Complementary Waveform Generator (CWG), and dual EUSART with SPI/I2C support. The Intelligent Analog peripherals and Core Independent Peripherals (CIPs) enable complex control tasks to run autonomously without CPU intervention, reducing firmware complexity and power consumption.
The device employs Microchip's eXtreme Low Power (XLP) technology with IDLE and DOZE low-power modes, making it well suited for battery-powered applications. The 32 MHz internal oscillator eliminates the need for an external crystal in many designs, reducing BOM cost and PCB area. The 20-SSOP package offers a compact footprint for space-constrained designs while supporting full peripheral functionality.
Typical applications include IoT sensor nodes, home automation controllers, low-power wireless devices, industrial control modules, LED lighting controllers, and battery-powered consumer electronics. The combination of 4 CLCs and a CWG makes the PIC16F15344 particularly effective for driving power-conversion circuits and motor-control signal generation.
When designing with this MCU, ensure the ICSP programming pins (ICSPCLK/ICSPDAT) are accessible for in-circuit programming, and provide adequate decoupling (100nF plus 10uF bulk) close to the VDD pin. The 20-SSOP package has a thermal pad underneath that should be soldered to the ground plane for mechanical stability and thermal performance.
Drop-in alternatives for PIC16F15344-E/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 PIC16F15344-E/SS (same form factor and footprint) — differing in ADC, Package, Program Memory (Flash), Comparators, Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F15344-I/SS
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View Datasheet →PIC16F15254-I/SS
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View Datasheet →PIC16F1459-I/SS
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View Datasheet →PIC16F1518-I/SS
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View Datasheet →PIC16F15344-E/SS Maximum Ratings & Electrical Characteristics
| Core | PIC 8-bit enhanced mid-range |
| Program Memory (Flash) | 7 KB (4K x 14 words) |
| SRAM | 512 bytes |
| Maximum CPU Speed | 32 MHz |
| Operating Voltage Range | 2.3 V to 5.5 V |
| Package | 20-pin SSOP (5.30 mm body width) |
| Operating Temperature Range | -40C to +125C (Extended grade) |
| I/O Pins | 18 (maximum) |
| ADC | 10-bit ADC with computation (ADCC) |
| DAC | 5-bit DAC |
| Comparators | 1 |
| PWM Channels | 4 (10-bit) |
| Configurable Logic Cells (CLC) | 4 |
| Complementary Waveform Generator (CWG) | 1 |
| EUSART | 2 |
| SPI / I2C | Yes (via MSSP / EUSART) |
| Instruction Set | 49 instructions, 16 stack levels |
| Low-Power Technology | XLP (eXtreme Low Power) with IDLE and DOZE modes |
| Programming Interface | ICSP (In-Circuit Serial Programming) |
| RoHS Status | Compliant |
| Mounting Type | Surface Mount |
PIC16F15344-E/SS Pin Configuration
| Pin 1 | RA5 — Bidirectional I/O / ICSPDAT / ADC input |
| Pin 2 | RA4 — Bidirectional I/O / ADC input |
| Pin 3 | RA3 — Bidirectional I/O / MCLR#/VPP (reset) |
| Pin 4 | RA2 — Bidirectional I/O / analog input |
| Pin 5 | RA1 — Bidirectional I/O / ICSPCLK / ADC input |
| Pin 6 | RA0 — Bidirectional I/O / DAC output / ADC input |
| Pin 7 | VSS — Ground reference |
| Pin 8 | RB7 — Bidirectional I/O / programming/debug |
| Pin 9 | RB6 — Bidirectional I/O / programming/debug |
| Pin 10 | RB5 — Bidirectional I/O / PWM output |
| Pin 11 | RB4 — Bidirectional I/O / PWM output |
| Pin 12 | RC7 — Bidirectional I/O / EUSART / SPI / I2C |
| Pin 13 | RC6 — Bidirectional I/O / EUSART TX / SPI / I2C |
| Pin 14 | RC5 — Bidirectional I/O / PWM output |
| Pin 15 | RC4 — Bidirectional I/O / PWM output / SPI / I2C |
| Pin 16 | RC3 — Bidirectional I/O / SPI / I2C / analog |
| Pin 17 | RC2 — Bidirectional I/O / analog input |
| Pin 18 | RC1 — Bidirectional I/O / analog input |
| Pin 19 | RC0 — Bidirectional I/O / analog input |
| Pin 20 | VDD — Positive supply voltage (2.3 V to 5.5 V) |
Typical Applications
PIC16F15344-E/SS is suitable for 6 applications: IoT Sensor Node Controller, Home Automation Controller, LED Lighting Driver, Industrial Control Module, Battery-Powered Consumer Device, Motor Control Signal Generator.
IoT Sensor Node Controller
The PIC16F15344-E/SS fits IoT sensor node designs because its 7KB Flash and 512B SRAM are sufficient for typical sensor-fusion and BLE/Wi-Fi co-processor command sets, while the 10-bit ADC with computation (ADCC) oversamples and filters signals autonomously. Its XLP IDLE mode drops the core current below 1 uA between measurements, extending coin-cell life by months, and the four CLCs implement custom logic glue between sensors without waking the CPU. Power: 2.3-5.5 V from a single Li-ion or 2xAA cell; trade-off vs larger MCUs is lower RAM, so designs must stream rather than buffer data.
Recommended
Home Automation Controller
The PIC16F15344-E/SS serves as a home automation controller thanks to its dual EUSART supporting both SPI and I2C for bridging sensor hubs, switches, and relays. The four 10-bit PWMs drive LED dimmers and small DC fans, while the CWG generates complementary drive signals for half-bridge MOSFETs in smart-switch power stages. EUSART enables connection to Wi-Fi/BLE modules (e.g., RN4871) for cloud connectivity. The Extended -40C to +125C temperature grade handles attic and outdoor enclosure deployments. Power: typically 3.3 V from a buck converter; the CWG dead-band control prevents shoot-through in the half-bridge.
Recommended
LED Lighting Driver
The PIC16F15344-E/SS excels in LED lighting drivers because the Complementary Waveform Generator (CWG) produces dead-band-controlled complementary outputs for synchronous-buck LED drivers, eliminating shoot-through losses. Four independent 10-bit PWM channels support RGBA color mixing or multi-string current regulation. The 32 MHz CPU closes the current-control loop fast enough to suppress line-frequency flicker, while the 5-bit DAC provides smooth dimming curves. Power: typically 12-24V input bucked to LED string voltage; trade-off vs dedicated LED drivers is more firmware complexity in exchange for higher flexibility.
Recommended
Industrial Control Module
The PIC16F15344-E/SS handles industrial control tasks because the Extended -40C to +125C temperature grade tolerates factory-floor enclosures and unconditioned control cabinets. The 10-bit ADC with computation reads analog sensor inputs (pressure, flow, temperature) and triggers the CWG-driven outputs without CPU intervention, freeing the core for Modbus RTU communication over EUSART. The dual EUSART supports simultaneous RS-485 master and debug port. Power: typically 24V industrial bus regulated down to 5V or 3.3V; trade-off is the need for external protection (TVS, isolation) not integrated in the MCU.
Recommended
Battery-Powered Consumer Device
The PIC16F15344-E/SS is ideal for battery-powered consumer products because XLP technology with IDLE and DOZE modes reduces core current to sub-uA levels, enabling multi-year battery life on a single CR2032. The 2.3 V minimum supply supports 2xAA alkaline cells down to end-of-life voltage without boost converters. The four CLCs perform event counting, wake-on-touch, and quadrature decoding without CPU wakeup, preserving energy. Power: 2.3-5.5 V direct from cells; trade-off vs newer PIC16F1xx families is a smaller Flash budget (7KB vs 14-28KB) but lower cost and lower sleep current.
Recommended
Motor Control Signal Generator
The PIC16F15344-E/SS generates motor-control waveforms because the Complementary Waveform Generator (CWG) produces dead-band-protected complementary PWM outputs ideal for driving H-bridges and three-phase inverter legs. The four 10-bit PWMs combined with CWG outputs support BLDC and stepper commutation patterns, while the comparator with 5-bit DAC implements current-limit protection without CPU involvement. Power: typically 12-48V motor bus regulated down for MCU; trade-off is the limited 8 MIPS throughput for sensorless FOC algorithms, so the part suits trapezoidal commutation rather than field-oriented control.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F15344-E/SS — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F15344-I/SS | PIC16F15344T-I/SS | PIC16F15254-I/SS | PIC16F1459-I/SS |
|---|---|---|---|---|---|
| Brand | 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 |
| Flash Memory | 7 KB (4K x 14) | 7 KB | 7 KB | 7 KB | 14 KB (+100%) |
| SRAM | 512 bytes | 512 bytes | 512 bytes | 512 bytes | 1 KB (+100%) |
| Max CPU Speed | 32 MHz (8 MIPS) | 32 MHz | 32 MHz | 32 MHz | 48 MHz |
| Operating Temperature | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| CLC (Configurable Logic Cells) | 4 | 4 | 4 | 0 (no CLC) | 0 (no CLC) |
| CWG (Complementary Waveform Generator) | 1 | 1 | 1 | 0 (no CWG) | 0 (no CWG) |
| USB Support | No | No | No | No | Yes (USB 2.0 FS) |
| Approx Unit Price (qty 1) | $1.21 | $1.16 | $1.16 | $1.05 | $2.15 |
Key Differentiators
- Includes four Configurable Logic Cells (CLC) and a Complementary Waveform Generator (CWG) (vs PIC16F15254-I/SS)
- Extended -40C to +125C temperature grade (vs PIC16F15344-I/SS)
- 32 MHz operation with XLP low-power modes (vs PIC16F1459-I/SS)
Design Notes
Estimated: at VDD = 3.3 V and CPU active at 32 MHz, core current is approximately 3.5 mA per the Microchip datasheet typical curves, plus peripheral current up to ~5 mA total. Place a 100 nF ceramic decoupling capacitor within 3 mm of the VDD pin and a 10 uF bulk capacitor on the same rail. For battery-powered designs using the XLP IDLE mode, ensure the MCLR# pull-up current does not exceed 1 uA by using a 100 kohm or larger resistor.
The 20-SSOP package has a thermal pad (exposed die attach pad) on the underside that should be soldered to a grounded copper pour for mechanical stability and improved thermal dissipation. Route ICSP lines (RA0/ICSPCLK and RA1/ICSPDAT) to a 2x3 or 1x6 header accessible from the board edge for in-circuit programming without desoldering the MCU. Keep high-speed switching traces (PWM, CWG outputs) short and away from analog inputs to minimize crosstalk into the ADC.
Do not leave the MCLR#/VPP pin floating - it must be tied to VDD through a pull-up resistor (10 kohm typical) or driven by the programmer. The PPS (Peripheral Pin Select) feature remaps digital peripherals to physical pins, but analog peripherals have fixed assignments - verify your pinout against the datasheet pin tables before PCB layout. Configuration bits must be set correctly; failure to disable the watchdog timer in software can cause spurious resets.
Compliance Information
RoHS compliant per Microchip product page. Lead-free SSOP packaging with Pb-free reflow profile compliant with JEDEC J-STD-020. AEC-Q100 not specified - for automotive applications, consult Microchip's automotive-grade PIC16F15344 catalog variants. REACH and conflict-minerals compliance maintained per Microchip environmental documentation.
