PIC16LF1615T-I/SL - 8-bit XLP MCU 14KB Flash 32MHz | Microchip
MPN: PIC16LF1615T-I/SL ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.05 | $2.05 |
| 10 | $1.84 | $18.40 |
| 100 | $1.55 | $155.00 |
| 500 | $1.32 | $660.00 |
| 1,000 | $1.18 | $1,180.00 |
PIC16LF1615T-I/SL Overview
A microcontroller (MCU) is a single-chip computer containing a CPU, non-volatile program memory (Flash), volatile working memory (RAM), and configurable I/O peripherals. Within the broader semiconductor taxonomy, an MCU sits under microcontrollers -> embedded processors -> digital ICs -> integrated circuits. The 8-bit PIC16F family is among the longest-running and most widely deployed MCU architectures, used wherever deterministic low-cost control is required.
Key differentiating features include the XLP technology for battery-sleep currents below 1 uA, integrated 10-bit ADC and 8-bit DAC eliminating external conversion components, the configurable logic cell (CLC) and math accelerator (MathACC) blocks, and CIP (Core Independent Peripherals) that let the device react to hardware events without waking the CPU. The 14-SOIC package supports hand-solderable prototyping as well as automated assembly, making the part a flexible option for both small-batch and high-volume production.
In practice, the PIC16LF1615T-I/SL is used as the system controller in low-power sensor nodes, e-metering peripherals, automotive body modules operating up to 125C, white-goods user interface boards, and battery-powered IoT endpoints. The wide 1.8V-3.6V range allows direct connection to a single Li-ion / 2x AA cell stack without additional regulation.
Design tip: For lowest sleep current, disable the ADC, reference DAC core and any unused digital I/O before entering XLP sleep, and prefer the internal LFINTOSC over the 32MHz HFINTOSC whenever timing margins permit.
Drop-in alternatives for PIC16LF1615T-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 PIC16LF1615T-I/SL (same form factor and footprint) — differing in Package, ADC, Timers, Operating Temperature, MSL Level.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16LF1615-I/SL
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F1615T-I/SL
✅ Drop-In✓ In Stock
$0.7 / Unit
View Datasheet →PIC16F1615-I/SL
✅ Drop-In✓ In Stock
$1.12 / Unit
View Datasheet →PIC16LF1554T-I/SL
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16LF1554-I/SL
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16LF1575T-I/SL
✅ Drop-In✓ In Stock
$0.88 / Unit
View Datasheet →PIC16LF1503T-I/SL
✅ Drop-In✓ In Stock
$0.74 / Unit
View Datasheet →PIC16LF1615T-I/SL Maximum Ratings & Electrical Characteristics
| Core Processor | PIC16F |
| Core Size / Architecture | 8-bit |
| Maximum Clock Speed | 32 MHz |
| Program Memory Size | 14 KB (8K x 14) Flash |
| RAM Size | 1 KB (1K x 8) |
| Operating Voltage Range | 1.8 V to 3.6 V |
| I/O Pins | 12 |
| ADC | 8-channel x 10-bit |
| DAC | 1-channel x 8-bit |
| Package | 14-SOIC (SL) |
| Mounting Type | Surface Mount |
| Operating Temperature Range | -40 C to +85 C (I-suffix) |
| Low-Power Technology | XLP (eXtreme Low Power) |
| Connectivity Peripherals | I2C, SPI, UART |
| MSL Level | 1 |
| RoHS Status | Compliant |
PIC16LF1615T-I/SL Pin Configuration
| Pin 1 | VDD — Positive supply voltage (1.8-3.6V) |
| Pin 2 | RA5/ICSPDAT — Bidirectional I/O / ICSP data |
| Pin 3 | RA4/ICSPCLK — Bidirectional I/O / ICSP clock |
| Pin 4 | RA3/MCLR/VPP — Bidirectional I/O / Master Clear (reset) / programming voltage |
| Pin 5 | RA2/AN2 — Bidirectional I/O / analog input channel 2 |
| Pin 6 | RA1/AN1 — Bidirectional I/O / analog input channel 1 |
| Pin 7 | RA0/AN0 — Bidirectional I/O / analog input channel 0 |
| Pin 8 | VSS — Ground reference |
| Pin 9 | RC0/OSCI/CLKIN — I/O / oscillator input / external clock input |
| Pin 10 | RC1/OSCO/CLKOUT — I/O / oscillator output / clock output |
| Pin 11 | RC2/AN6 — Bidirectional I/O / analog input channel 6 |
| Pin 12 | RC3/SCK/SCL — I/O / SPI clock / I2C clock |
| Pin 13 | RC4/SDI/SDA — I/O / SPI data in / I2C data |
| Pin 14 | RC5/SDO — Bidirectional I/O / SPI data out |
Typical Applications
PIC16LF1615T-I/SL is suitable for 6 applications: Battery-Powered IoT Sensor Nodes, Smart Metering / Sub-Metering Peripherals, Automotive Cabin Body Modules, White Goods User Interface Boards, Portable Medical Wearables, HVAC Sensor and Actuator Nodes.
Battery-Powered IoT Sensor Nodes
The PIC16LF1615T-I/SL fits battery-powered IoT sensor nodes thanks to its 1.8-3.6V wide-voltage range, XLP sleep current under 1 uA with full RAM retention, and on-chip 10-bit ADC for direct sensor interface. Its 32MHz 8-bit PIC16F core handles protocol state machines (BLE/Zigbee through external radio) while the integrated 8-bit DAC can output a regulated bias for external analog front-ends. Placed on a 2-layer PCB between a coin cell and a sensor, it draws nanoamps in sleep and a few mA while transmitting. Engineers choose it over discrete low-power designs to shrink BOM and PCB footprint while still meeting multi-year battery-life targets in deployments like smart agriculture or environmental monitoring.
Recommended
Smart Metering / Sub-Metering Peripherals
The PIC16LF1615T-I/SL is well suited to smart-metering peripherals because its 8-channel 10-bit ADC reads multiple CT/PT sensor channels while the 8-bit DAC drives analog front-end bias or calibration offsets. The 14KB Flash fits 802.15.4/W-MBus/M-BusTrapper EUI-48 MAC handling plus run-time event rates for tamper and load monitoring. Its 1.8-3.6V input range interfaces directly with lithium-thionyl-chloride primary cells used in meter retrofit. Compared with ARM Cortex-M0+ alternatives, the PIC16LF1615T-I/SL offers lower active current per MHz and a faster interrupt response, which matters in Class B/C metering where events must be timestamped within microseconds.
Recommended
Automotive Cabin Body Modules
In automotive cabin body modules (window lifters, seat controllers, ambient lighting), the PIC16LF1615T-I/SL delivers LIN-slave capability via its UART, drives LED arrays through PWM outputs, and samples cabin buttons through the 10-bit ADC - all within the -40C to +85C industrial range. The integrated 8-bit DAC outputs a regulated VCC trim reference for the LED chain, eliminating a DAC IC and saving cost. Its 14-SOIC package survives -40C to +85C thermal cycling, A2 conformally-coated environments, and 12V jump-start transients through external TVS. Engineers prefer it over ARM Cortex-M0 in cost-sensitive LIN nodes where the 8-bit PIC instruction set is more compact and the eXtreme Low Power modes preserve battery during parking.
Recommended
White Goods User Interface Boards
The PIC16LF1615T-I/SL drives white-goods user-interface boards by scanning capacitive touch or matrix keypads via its 12 I/O, generating buzzer tones via PWM, and reading analog sensor signals (temperature, humidity, water level) through the 10-bit ADC. Its 1.8-3.6V VDD range accepts a 3V3 LDO drop from the appliance's rectified mains rail while its XLP sleep current keeps standby power below 0.5W, helping meet EU 2021 ErP ecodesign regulations. The on-chip 8-bit DAC can drive a VLED reference for an audio DAC used in voice feedback. Compared with ARM Cortex-M0 designs, the PIC16LF1615T-I/SL has shorter deterministic interrupt latency for real-time UI responsiveness under mains transients.
Recommended
Portable Medical Wearables
The PIC16LF1615T-I/SL fits portable medical wearables (glucose monitors, pulse oximeters, drug-delivery patches) because its XLP sleep under 1 uA with full RAM retention extends patch battery life from weeks to months. The on-chip 10-bit ADC reads pulse-oximeter photodiode currents through a transimpedance amplifier while the 8-bit DAC sets the LED driver bias, eliminating an external DAC. Its 14KB Flash stores algorithm state machines and FDA-traceable calibration constants. The 1.8-3.6V range accepts single CR2032 / Li-POOR LIPO cells directly. The 14-SOIC package suits 2-layer rigid-flex PCBs typical of disposable wearables.
Recommended
HVAC Sensor and Actuator Nodes
The PIC16LF1615T-I/SL is deployed in HVAC sensor and actuator nodes (thermostat remotes, damper controllers, air-quality monitors) because its 8-channel 10-bit ADC reads thermistor, NTC/thermistor, CO2, and VOC sensor outputs while its UART or SPI interfaces with a wired Modbus/RS-485 transceiver. Its 1.8-3.6V range accepts 24VAC half-sensed thermal probe rails through an external rectifier+LDO. The XLP sleep modes keep battery-powered remotes asleep for years. The integrated 8-bit DAC can output a 0-3V3 proportional damper-actuator control signal, eliminating a separate DAC IC. Compared with ARM Cortex-M0 designs, the PIC16LF1615T-I/SL is a lower-cost option with deterministic interrupt response that improves HVAC loop stability.
Recommended
Recommended Products Summary
Engineering reference data for PIC16LF1615T-I/SL — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16LF1615-I/SL | PIC16F1615T-I/SL | PIC16F1615-I/SL | PIC16LF1554T-I/SL | PIC16LF1554-I/SL | PIC16LF1575T-I/SL | PIC16LF1503T-I/SL |
|---|---|---|---|---|---|---|---|---|
| Package | 14-SOIC (3.9 mm body) | 14-SOIC - same | 14-SOIC - same | 14-SOIC - same | 14-SOIC - same | 14-SOIC - same | 14-SOIC - same | 14-SOIC - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / Architecture | 8-bit PIC16F | 8-bit PIC16F | 8-bit PIC16F | 8-bit PIC16F | 8-bit PIC16F | 8-bit PIC16F | 8-bit PIC16F | 8-bit PIC16F |
| Operating Voltage Range | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| Flash Program Memory | 14 KB (8K x 14) | 14 KB | 14 KB | 14 KB | 7 KB (-50%) | 7 KB (-50%) | 14 KB | 3.5 KB (-75%) |
| Maximum Clock Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| I/O Pins | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
| ADC / DAC | 8-ch x 10-bit ADC + 1-ch x 8-bit DAC | Same as target | Same as target | Same as target | 8-ch x 10-bit ADC, no DAC | 8-ch x 10-bit ADC, no DAC | 10-ch x 10-bit ADC + 1-ch x 8-bit DAC | 8-ch x 10-bit ADC, no DAC |
| Packaging Form | Tape & Reel (T suffix) | Tube | Tape & Reel | Tube | Tape & Reel | Tube | Tape & Reel | Tape & Reel |
Key Differentiators
- Lowest 1.8V VDD operation in 14-SOIC 8-bit PIC16F family (vs PIC16F1615T-I/SL)
- Integrated 8-bit DAC alongside 10-bit ADC (vs PIC16LF1554T-I/SL)
- Larger 14KB Flash with same 14-SOIC pinout (vs PIC16LF1503T-I/SL)
Design Notes
Estimated: For sleep-mode current under 1 uA with full RAM retention on a 14-SOIC PIC16LF1615T-I/SL, disable the ADC, reference DAC core, and any unused digital I/O before issuing the SLEEP instruction. Configure all unused I/O as outputs driven low to prevent floating-pin leakage. The LFINTOSC at 31 kHz provides lower sleep current than the 32MHz HFINTOSC; switch back to HFOSC only when active processing requires it. Place a 100 nF X7R decoupling cap within 5 mm of VDD (pin 1) and a 10 uF bulk cap near the IC for transient handling.
The 14-SOIC footprint requires a 1.27 mm pitch SOIC land length of 1.0-1.2 mm and width of 0.55-0.75 mm. Place a continuous ground plane under the device for thermal dissipation and EMI control. Keep the MCLR/RA3 trace short to avoid noise-induced resets; add a 10 kohm pull-up to VDD on MCLR per the datasheet. Provide a 100 nF decoupling capacitor as close as possible (under 5 mm trace) to pin 1 (VDD) and pin 8 (VSS).
Common pitfalls when designing with PIC16LF1615T-I/SL: (1) Do not exceed VDD > 3.6V absolute maximum - the LF variant is not 5V tolerant even though the F-variant PIC16F1615T-I/SL is; (2) Avoid leaving ICSPDAT/ICSPCLK floating during run mode if ICSP is not used - either pull them up or configure them as outputs; (3) When migrating code from PIC16F1614 (4KB Flash), verify that the firmware still fits within the larger 14KB Flash footprint of PIC16LF1615 before assuming drop-in compatibility; (4) The 8-bit DAC output buffer must be enabled separately in software before driving external circuitry.
Compliance Information
RoHS and REACH compliance per Microchip product page. Not AEC-Q100 qualified; the I-suffix industrial temperature range is -40C to +85C. For automotive AEC-Q100 needs, select the automotive-grade equivalent.
