PIC16LF1824-E/ST - 8-bit MCU, 7KB Flash, 32MHz XLP | Microchip
MPN: PIC16LF1824-E/ST ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.45 | $2.45 |
| 10 | $2.2 | $22.00 |
| 100 | $1.85 | $185.00 |
| 500 | $1.6 | $800.00 |
| 1,000 | $1.42 | $1,420.00 |
PIC16LF1824-E/ST Overview
An 8-bit PIC microcontroller is a Harvard-bus RISC CPU that executes one instruction per clock cycle (4 cycles for branches/jumps), typically running 200 ns instruction time at 20 MHz. Within the broader taxonomy, PIC16LF1824 belongs to the enhanced mid-range PIC16 family, which sits between base-line PIC10/12/16 and the high-performance PIC18/dsPIC33 architectures. PIC MCUs are commonly used where deterministic real-time control, low power, and a small footprint matter more than raw MIPS - for example, sensor nodes, user-interface logic, and motor-control glue logic.
Key features include eXtreme Low Power (XLP) technology with nanoWatt sleep currents, mTouch capacitive sensing peripherals, multiple communication interfaces (I2C/SPI/EUSART), 10-bit ADC with computation, 5-bit/8-bit/10-bit DAC, enhanced PWM modules, and on-chip 32 kHz oscillator for low-power RTCC operation. The device also integrates a configurable logic cell (CLC), complementary waveform generator (CWG), and numerically controlled oscillator (NCO) for advanced signal generation without external components.
The PIC16LF1824 uses an enhanced mid-range PIC16 core with a 14-bit instruction word and a hardware stack. Its instruction pipeline delivers up to 16 MIPS at 32 MHz, and the integrated 32 MHz HFINTOSC eliminates the need for an external crystal in many designs. The peripheral set is configured through Peripheral Pin Select (PPS) for flexible I/O mapping.
Typical applications include low-power IoT sensor nodes, capacitive touch user interfaces, battery-powered consumer electronics, motor and fan control, LED lighting controllers, and automotive body electronics where AEC-Q100-style qualification is desirable. Industrial automation modules and remote-control transmitters also benefit from its low sleep current and integrated peripherals.
When designing, ensure decoupling is placed close to VDD pins, follow Microchip's MPLAB X IDE and XC8 compiler toolchain, and review the device-specific silicon errata before committing to production. The TSSOP-14 package requires standard surface-mount reflow per JEDEC J-STD-020, with MSL1 (no dry-pack) moisture sensitivity.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for PIC16LF1824-E/ST — 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 PIC16LF1824-E/ST (same form factor and footprint) — differing in Package, ADC, I/O Pins, Core Architecture, Internal Oscillator.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F1824-I/ST
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F1824-E/ST
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16LF1824-I/ST
✅ Drop-In✓ In Stock
$1.17 / Unit
View Datasheet →PIC16F1825-I/ST
✅ Drop-In✓ In Stock
$1.32 / Unit
View Datasheet →PIC16LF1823-I/ST
✅ Drop-In✓ In Stock
$1.02 / Unit
View Datasheet →PIC16LF1824-E/SL
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$1.59 / Unit
View Datasheet →PIC16LF1824-E/P
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$1.67 / Unit
View Datasheet →PIC16LF1824-E/ML
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$1.05 / Unit
View Datasheet →PIC16LF1824-E/ST Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC16 enhanced mid-range (8-bit RISC, Harvard) |
| Program Memory (Flash) | 7 KB (4K x 14 words) |
| Data RAM | 256 bytes |
| Data EEPROM | 256 bytes |
| Maximum CPU Frequency | 32 MHz |
| Supply Voltage Range | 1.8 V to 3.6 V (full speed 2.5 V to 3.6 V at 32 MHz) |
| Operating Temperature Range | -40 C to +125 C (E grade) |
| I/O Pins | 11 (TSSOP-14) |
| ADC | 10-bit, up to 5 channels |
| DAC | 5-bit and 8-bit and 10-bit on peripherals |
| Communication Interfaces | I2C/SPI, EUSART with LIN |
| Package | 14-pin TSSOP (0.173 in / 4.40 mm body width) |
| Mounting Type | Surface Mount |
| MSL Level | MSL1 (per JEDEC J-STD-020) |
| RoHS Status | Compliant |
PIC16LF1824-E/ST Pin Configuration
| Pin 1 | RA5 — Port A bit 5 (digital I/O, analog input) |
| Pin 2 | RA4 — Port A bit 4 (digital I/O, analog input) |
| Pin 3 | RA3/MCLR — Port A bit 3 / Master Clear reset (input only) |
| Pin 4 | RC5 — Port C bit 5 (digital I/O) |
| Pin 5 | RC4 — Port C bit 4 (digital I/O) |
| Pin 6 | RC3 — Port C bit 3 (digital I/O, analog input) |
| Pin 7 | RC2 — Port C bit 2 (digital I/O, analog input) |
| Pin 8 | RC1 — Port C bit 1 (digital I/O, analog input) |
| Pin 9 | RC0 — Port C bit 0 (digital I/O, analog input) |
| Pin 10 | RB7 — Port B bit 7 (digital I/O, ICSPCLK) |
| Pin 11 | RB6 — Port B bit 6 (digital I/O, ICSPDAT) |
| Pin 12 | RB5 — Port B bit 5 (digital I/O, analog input, PWM) |
| Pin 13 | VDD — Positive supply voltage (1.8 V to 3.6 V) |
| Pin 14 | VSS — Ground reference |
Typical Applications
PIC16LF1824-E/ST is suitable for 6 applications: Low-Power IoT Sensor Node, Capacitive Touch User Interface, Battery-Powered Consumer Electronics, LED Lighting and Dimming Controllers, Industrial Sensor and Control Modules, Automotive Body Electronics.
Low-Power IoT Sensor Node
The PIC16LF1824-E/ST fits battery-powered wireless sensor nodes because its 1.8 V to 3.6 V supply and XLP nanoWatt sleep currents (down to sub-uA) operate directly from a single Li-ion or 2xAA cell. Its 32 MHz HFINTOSC eliminates an external crystal, the 7 KB Flash holds a small RTOS or state-machine firmware, and 256 B RAM comfortably buffers sensor data. The integrated 10-bit ADC with computation (ADC2) handles analog sensor reads without an external ADC, and the EUSART/SPI interfaces connect to sub-GHz radios like the Microchip MRF89XA or LoRa modules. With sleep currents under 1 uA and wake-up in microseconds, duty-cycled designs can run for years on a single coin cell.
Recommended
Capacitive Touch User Interface
The on-chip mTouch capacitive sensing hardware makes PIC16LF1824-E/ST a strong fit for button-replacement or slider-style touch UIs in consumer appliances and industrial HMIs. The 10-bit ADC and CTMU peripheral measure capacitance without external components, supporting up to 11 touch channels across the 11 available I/O pins on the TSSOP-14 package. ActiveLowSleepFiltering with mTouch scanning in sleep mode lets the device wake only when a button is pressed, with standby currents in the tens of microamps. With 7 KB Flash, designers can implement debouncing, gesture recognition, and LED PWM feedback in a single MCU.
Recommended
Battery-Powered Consumer Electronics
For wearables, remote controls, toys, and personal care devices, the PIC16LF1824-E/ST's 1.8 V to 3.6 V operation and XLP nanoWatt technology minimize quiescent current to extend battery life. The 32 MHz internal oscillator (factory-calibrated ±1%) supports accurate UART/SPI timing, while the CLC (Configurable Logic Cell) and NCO peripherals can synthesize tones or PWM outputs in hardware without CPU intervention. The EUSART with LIN support provides automotive-grade protocol capability in a low-cost part, and the 10-bit DAC enables smooth analog setpoint control for motors or LEDs. Battery types include single Li-ion, 2xAA, coin cell CR2032, and even energy-harvested supply rails.
Recommended
LED Lighting and Dimming Controllers
The PIC16LF1824-E/ST drives LED lighting with its enhanced PWM module (up to four complementary PWM channels) and 10-bit DAC for analog dimming setpoints. Its 32 MHz core generates flicker-free PWM at typical LED switching frequencies (1 kHz to 20 kHz) without CPU overhead, and the CWG (Complementary Waveform Generator) simplifies half-bridge LED driver stages with dead-band control. With 256 B RAM and 256 B EEPROM, the part can store user calibration data such as dim curves, color temperature settings, and on-time counters. The wide 1.8 V to 3.6 V supply supports 3.3 V LED driver rails directly.
Recommended
Industrial Sensor and Control Modules
The PIC16LF1824-E/ST's -40 C to +125 C extended temperature grade and EUSART/SPI/I2C peripherals suit industrial sensor modules, simple PLC I/O expanders, and 4 mA to 20 mA loop-powered transmitters. The 10-bit ADC (with computation averaging) handles 4 mA to 20 mA loop current sensing, while the 5/8/10-bit DAC outputs can drive analog setpoint signals. With 7 KB Flash, firmware fits a complete sensor conditioning + linearization + Modbus RTU stack. The wide operating voltage also tolerates industrial 24 V rails after a simple linear regulator or buck converter to 3.3 V.
Recommended
Automotive Body Electronics
For non-safety automotive body applications (interior lighting, mirror control, simple body controllers), the PIC16LF1824-E/ST's -40 C to +125 C grade and EUSART with LIN bus support deliver automotive-grade functionality at low cost. The XLP nanoWatt technology extends quiescent drain in always-on body modules, important for parked vehicles. The PWM and CWG peripherals drive LED interior lighting with hardware-generated fade curves and complementary MOSFET control for half-bridge mirror actuators. With up to 11 usable I/O pins in the TSSOP-14 package, the part can read multiple switches and drive several loads simultaneously.
Recommended
Recommended Products Summary
Engineering reference data for PIC16LF1824-E/ST — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1824-I/ST | PIC16F1824-E/ST | PIC16LF1824-I/ST | PIC16F1825-I/ST | PIC16LF1823-I/ST |
|---|---|---|---|---|---|---|
| Package | 14-TSSOP (/ST) | 14-TSSOP (/ST) - same | 14-TSSOP (/ST) - same | 14-TSSOP (/ST) - same | 14-TSSOP (/ST) - same | 14-TSSOP (/ST) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 7 KB | 7 KB | 7 KB | 7 KB | 14 KB | 3.5 KB |
| RAM | 256 B | 256 B | 256 B | 256 B | 1 KB | 128 B |
| Supply Voltage | 1.8 V to 3.6 V (LF) | 1.8 V to 5.5 V (F) | 1.8 V to 5.5 V (F) | 1.8 V to 3.6 V (LF) | 1.8 V to 5.5 V (F) | 1.8 V to 3.6 V (LF) |
| Temperature Grade | E: -40 to +125 C | I: -40 to +85 C | E: -40 to +125 C | I: -40 to +85 C | I: -40 to +85 C | I: -40 to +85 C |
| Maximum Frequency | 32 MHz (8 MIPS) | 32 MHz (8 MIPS) | 32 MHz (8 MIPS) | 32 MHz (8 MIPS) | 32 MHz (8 MIPS) | 32 MHz (8 MIPS) |
| Enable Pin / MCLR | RA3/MCLR (input only) | RA3/MCLR | RA3/MCLR | RA3/MCLR | RA3/MCLR | RA3/MCLR |
| Approx. Unit Price (qty 1000) | $1.42 | $1.35 | $1.45 | $1.30 | $1.65 | $1.15 |
Key Differentiators
- Lower voltage ceiling than PIC16F1824 family (vs PIC16F1824-I/ST)
- Higher temperature grade than I-grade PIC16LF1824 (vs PIC16LF1824-I/ST)
- Twice the Flash and RAM of the lower-cost sibling (vs PIC16LF1823-I/ST)
- Smaller 14-TSSOP footprint compared to QFN/PDIP variants (vs PIC16LF1824-E/ML (QFN-16))
Design Notes
Power design for PIC16LF1824-E/ST starts with a 100 nF X7R decoupling capacitor placed within 5 mm of the VDD pin (TSSOP-14 pin 13), with a bulk 1 uF to 10 uF X5R ceramic on the same rail for switching loads. The 'LF' core draws about 5 mA at 32 MHz and 3.3 V, so a simple LDO such as MCP1700-3302E is sufficient. For battery designs, route the LF core voltage directly from the cell and use sleep modes (XLP, ~50 nA typical) with wake-on-pin-change or RTCC to minimize average current.
TSSOP-14 has a 0.65 mm pitch and 4.40 mm body width per JEDEC MO-153. Recommended land pattern pads are 1.0 mm wide x 0.5 mm long with 0.4 mm solder mask expansion. The exposed thermal pad (if any) is not present on TSSOP-14 - thermal dissipation is via the leads only. Reflow profile should follow JEDEC J-STD-020 MSL1 (no dry-pack required) with peak temperature 260 C for lead-free SAC305 alloy.
Common pitfalls include: (1) confusing 'LF' (1.8-3.6V) with 'F' (1.8-5.5V) - the PIC16LF1824 will be damaged above 3.6 V; (2) leaving MCLR floating - tie to VDD via 10 kohm resistor or use internal MCLR via configuration bits; (3) forgetting to disable peripherals on unused pins to avoid parasitic current; (4) using the wrong configuration word settings for oscillator selection; (5) ignoring silicon errata - always check the latest PIC16LF1824 errata document before production; (6) using RB6/RB7 for general I/O without disabling the ICD function - ICSP programming pins are multiplexed here.
Place the ICSP connector (PICkit 3/4 or ICD header) close to the TSSOP-14 to keep ICSP/PGD (RB7/ICSPDAT) and ICSP/PGC (RB6/ICSPCLK) traces under 50 mm. For capacitive touch (mTouch) layouts, guard the touch electrodes with a ground pour but avoid solid ground under the touch pad - keep at least 0.5 mm clearance. Analog traces from the ADC inputs should be guarded and kept short to avoid digital noise pickup on the 10-bit ADC.
Compliance Information
RoHS and REACH compliant per Microchip product declaration. The 'E' temperature grade (-40 to +125C) is not the same as AEC-Q100 automotive qualification - PIC16LF1824-E/ST does not carry AEC-Q100 certification. For AEC-Q100 qualified PIC16, refer to PIC16F1824-E/ST-Q1 or PIC16LF1824-E/ST-Q1 suffixes. Lead-free matte tin finish per Microchip material declaration.
