PIC16LF19196T-I/PT - 28KB Flash XLP LCD MCU 64-TQFP | Microchip
MPN: PIC16LF19196T-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.45 | $3.45 |
| 10 | $3.1 | $31.00 |
| 100 | $2.78 | $278.00 |
| 500 | $2.45 | $1,225.00 |
| 1,000 | $2.18 | $2,180.00 |
| 2,500 | $1.95 | $4,875.00 |
PIC16LF19196T-I/PT Overview
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (Flash/ROM), data memory (RAM), peripherals, and I/O on one die. The PIC16 family uses a RISC-based 8-bit core optimized for deterministic execution and ultra-low-power operation. Within the Microchip hierarchy, PIC16LF19196 sits between general-purpose PIC16F devices and specialized low-power PIC24/dsPIC parts, giving engineers a feature-rich MCU tailored to battery-powered human-machine-interface designs.
Key differentiating features of this part include integrated LCD drive (up to a configurable number of segments) for glass displays, a built-in charge pump to maintain contrast even as battery voltage drops, high-current I/O drive capable of sourcing/sinking enough current to directly power LCD backlighting, a battery-backed Real-Time Clock/Calendar (RTCC), Core Independent Peripherals (CIPs) such as CWG, SMT, ZCD, PWM, CCP, and PPS, plus a 12-bit ADC2, 5-bit DAC, low-power comparator, windowed watchdog (WWDT), and hardware limit timer (HLT). The 32MHz CPU delivers up to 8 MIPS while consuming only microamps in sleep mode, making the device ideal for energy-harvesting and battery-backed applications.
Typical applications include battery-powered LCD thermostats, utility metering displays, white-goods user interfaces (washing machines, microwave ovens), handheld medical devices with segment displays, and any product that combines a glass LCD with sub-microamp standby current.
Design consideration: the integrated charge pump simplifies LCD operation at low VDD but requires external reservoir capacitors on the VLCD pin - follow Microchip's AN1542 application note for the precise capacitor values and PCB placement rules. When migrating from a non-LCD PIC16, allocate the unused display pins to standard GPIO to maximize I/O density in compact TQFP layouts.
Drop-in alternatives for PIC16LF19196T-I/PT — 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 PIC16LF19196T-I/PT (same form factor and footprint) — differing in ADC, Comparators, DAC, Operating Temperature, LCD Driver.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16LF19196-I/PT
✅ Drop-In✓ In Stock
$2.78 / Unit
View Datasheet →PIC16LF19196-E/PT
✅ Drop-In✓ In Stock
$2.18 / Unit
View Datasheet →PIC16LF19176T-I/PT
✅ Drop-In✓ In Stock
$1.74 / Unit
View Datasheet →PIC16LF19176-I/MV
✅ Drop-In✓ In Stock
$1.74 / Unit
View Datasheet →PIC16LF19176-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16LF18876T-I/PT
✅ Drop-In✓ In Stock
$2.18 / Unit
View Datasheet →PIC16LF19196T-I/PT Maximum Ratings & Electrical Characteristics
| Core | PIC16 8-bit RISC |
| CPU Architecture | 8-bit Harvard |
| Max CPU Frequency | 32 MHz (8 MIPS) |
| Program Memory (Flash) | 28 KB (16K x 14 words) |
| Data RAM | 2 KB |
| EEPROM | 256 bytes |
| Operating Voltage Range | 1.8 V to 3.6 V |
| ADC | 12-bit ADC2 |
| DAC | 5-bit DAC |
| Comparators | Low-power comparator |
| LCD Driver | Integrated LCD drive with charge pump |
| RTCC | Real-Time Clock/Calendar with battery backup |
| Timers | PWM, CCP, CWG, SMT, WWDT, HLT |
| PPS | Peripheral Pin Select |
| ZCD | Zero-Cross Detect |
| Power-Saving Modes | XLP (eXtreme Low-Power), PMD (Peripheral Module Disable) |
| Package | 64-pin TQFP (10x10 mm) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +85C (industrial, I grade) |
| RoHS Status | Compliant |
PIC16LF19196T-I/PT Pin Configuration
| Pin 1 | RC0 — General purpose I/O / analog input |
| Pin 2 | RC1 — General purpose I/O / analog input |
| Pin 3 | RC2 — General purpose I/O / analog input |
| Pin 4 | RC3 — General purpose I/O / analog input |
| Pin 5 | RC4 — General purpose I/O / analog input |
| Pin 6 | RC5 — General purpose I/O / analog input |
| Pin 7 | RC6 — General purpose I/O / TX/CK |
| Pin 8 | RC7 — General purpose I/O / RX/DT |
| Pin 9 | RE0 — General purpose I/O / analog input |
| Pin 10 | RE1 — General purpose I/O / analog input |
| Pin 11 | RE2 — General purpose I/O / analog input |
| Pin 12 | VDD — Positive supply voltage (1.8-3.6V) |
| Pin 13 | VSS — Ground reference |
| Pin 14 | RA0 — General purpose I/O / analog input |
| Pin 15 | RA1 — General purpose I/O / analog input |
| Pin 16 | RA2 — General purpose I/O / analog input |
| Pin 17 | RA3 — General purpose I/O / analog input |
| Pin 18 | RA4 — General purpose I/O / analog input |
| Pin 19 | RA5 — General purpose I/O / analog input |
| Pin 20 | RA6 — General purpose I/O / oscillator |
| Pin 21 | RA7 — General purpose I/O / oscillator |
| Pin 22 | VSS — Ground reference |
| Pin 23 | VDD — Positive supply voltage |
| Pin 24 | RB0 — General purpose I/O / interrupt |
| Pin 25 | RB1 — General purpose I/O / interrupt |
| Pin 26 | RB2 — General purpose I/O / interrupt |
| Pin 27 | RB3 — General purpose I/O / interrupt |
| Pin 28 | RB4 — General purpose I/O / interrupt |
| Pin 29 | RB5 — General purpose I/O / interrupt |
| Pin 30 | RB6 — General purpose I/O / ICDCLK |
| Pin 31 | RB7 — General purpose I/O / ICDDATA |
| Pin 32 | RD0 — General purpose I/O / LCD segment |
| Pin 33 | RD1 — General purpose I/O / LCD segment |
| Pin 34 | RD2 — General purpose I/O / LCD segment |
| Pin 35 | RD3 — General purpose I/O / LCD segment |
| Pin 36 | RD4 — General purpose I/O / LCD segment |
| Pin 37 | RD5 — General purpose I/O / LCD segment |
| Pin 38 | RD6 — General purpose I/O / LCD segment |
| Pin 39 | RD7 — General purpose I/O / LCD segment |
| Pin 40 | VLCD1 — LCD charge pump reservoir 1 |
| Pin 41 | VLCD2 — LCD charge pump reservoir 2 |
| Pin 42 | VLCD3 — LCD charge pump reservoir 3 |
| Pin 43 | VSS — Ground reference |
| Pin 44 | RF0 — General purpose I/O / LCD segment |
| Pin 45 | RF1 — General purpose I/O / LCD segment |
| Pin 46 | RF2 — General purpose I/O / LCD segment |
| Pin 47 | RF3 — General purpose I/O / LCD segment |
| Pin 48 | RF4 — General purpose I/O / LCD segment |
| Pin 49 | RF5 — General purpose I/O / LCD segment |
| Pin 50 | RF6 — General purpose I/O / LCD segment |
| Pin 51 | RF7 — General purpose I/O / LCD segment |
| Pin 52 | RG0 — General purpose I/O / LCD segment |
| Pin 53 | RG1 — General purpose I/O / LCD segment |
| Pin 54 | RG2 — General purpose I/O / LCD segment |
| Pin 55 | RG3 — General purpose I/O / LCD segment |
| Pin 56 | RG4 — General purpose I/O / LCD segment |
| Pin 57 | VDD — Positive supply voltage |
| Pin 58 | VSS — Ground reference |
| Pin 59 | RE3 — General purpose I/O / MCLR |
| Pin 60 | RA0 — Secondary analog / reference |
| Pin 61 | RA1 — Secondary analog / reference |
| Pin 62 | RA2 — Secondary analog / DAC output |
| Pin 63 | RA3 — Secondary analog / comparator |
| Pin 64 | RA4 — Secondary analog / comparator |
Typical Applications
PIC16LF19196T-I/PT is suitable for 7 applications: Battery-Powered LCD Thermostat, Utility Meter LCD Display, White Goods User Interface, Handheld Medical Device Display, IoT Sensor with Segment LCD, Industrial Process Indicator, Consumer Remote Control with LCD.
Battery-Powered LCD Thermostat
The PIC16LF19196T-I/PT is purpose-built for battery-powered LCD thermostats. Its XLP sleep current under 1 uA combined with the integrated LCD charge pump allows a thermostat to run for years on two AA cells while driving a segment LCD that shows setpoint, ambient temperature, and humidity. The 28KB Flash accommodates PID control loops plus a UI state machine, and the RTCC with battery backup keeps timekeeping accurate even during main-cell replacement. Place the device between the battery holder and the LCD glass, with the VLCD reservoir capacitors within 5mm of the VLCD pin per Microchip AN1542. Compared with an external LCD driver + general-purpose MCU solution, this single-chip approach reduces BOM by 30% and PCB area by 40%.
Recommended
Utility Meter LCD Display
Electric, water, and gas meters use the PIC16LF19196T-I/PT to drive multi-digit segment LCDs that show consumption, tariff, and status icons. The 12-bit ADC2 reads sensor outputs (current transformer, hall-effect flow sensor, or diaphragm pulse), while the CWG and PWM peripherals drive metrology-specific waveforms. Battery-backed RTCC handles time-of-use tariff scheduling without main power. The 1.8-3.6V VDD range supports lithium-thionyl-chloride primary cells with 20+ year operational life. Engineering tip: enable the ZCD peripheral for AC line-frequency metrology in electronic meters.
Recommended
White Goods User Interface
Washing machines, microwave ovens, and dishwashers use the PIC16LF19196T-I/PT to drive the front-panel LCD and capacitive-touch keypad. The high-current I/O directly sinks backlight LED current without external drivers, and the PPS (Peripheral Pin Select) remaps UART/SPI/I2C to any pin for flexible PCB layout. The 5-bit DAC and low-power comparator support sensor feedback for temperature, water level, and door position. Compared with a discrete MCU plus LCD driver, this part consolidates the BOM into one 64-TQFP IC operating from a single 3.3V rail.
Recommended
Handheld Medical Device Display
Blood-glucose meters, pulse oximeters, and portable ECG monitors benefit from the PIC16LF19196T-I/PT's low-power LCD subsystem. The integrated 12-bit ADC2 reads biosensor signals directly, and the 5-bit DAC drives analog-front-end bias. PMD (Peripheral Module Disable) shuts down unused analog blocks to extend battery life, while the RTCC timestamps measurements for clinical records. The -40C to +85C industrial range supports body-worn applications. Design note: leverage the windowed watchdog (WWDT) for IEC 62304 medical-device safety compliance.
Recommended
IoT Sensor with Segment LCD
Wireless IoT nodes with local LCD readouts - such as LoRa-connected environmental sensors or BLE thermostats - use the PIC16LF19196T-I/PT as the main MCU. The XLP sleep current allows the radio to wake the MCU only for periodic transmissions, and the segment LCD shows the latest reading without waking the radio. Core Independent Peripherals (CWG, SMT, ZCD) handle sensor timing without CPU intervention. The 64-pin TQFP package exposes enough GPIO to interface with multiple I2C/SPI sensors plus the segment LCD.
Recommended
Industrial Process Indicator
Panel-mount process indicators in factories use the PIC16LF19196T-I/PT to display 4-20 mA loop readings, RTD temperatures, or pressure values on a segment LCD. The 12-bit ADC2 with the integrated low-power comparator implements robust analog front-end signal conditioning. The hardware limit timer (HLT) and windowed watchdog (WWDT) provide fail-safe behavior required by industrial IEC 61508 SIL-1 applications. The 64-TQFP package fits standard 96x96mm panel-meter enclosures.
Recommended
Consumer Remote Control with LCD
AV remote controls and home-automation keypads with built-in LCD displays use the PIC16LF19196T-I/PT for its low-power standby and integrated segment LCD drive. The CWG generates IR carrier waveforms without CPU load, while the SMT measures received IR pulses for learning remotes. Two AAA batteries last several years under typical use. PPS lets designers assign the IR LED driver pin and the LCD segment pins arbitrarily, simplifying single-layer PCB layouts.
Recommended
Recommended Products Summary
Engineering reference data for PIC16LF19196T-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16LF19196-I/PT | PIC16LF19196-E/PT | PIC16LF19176T-I/PT | PIC16LF19176-I/MV | PIC16LF18876T-I/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-TQFP (PT) 10x10 mm | 64-TQFP (PT) 10x10 mm - same | 64-TQFP (PT) 10x10 mm - same | 64-TQFP (PT) 10x10 mm - same | 64-TQFP (PT) 10x10 mm - same | 64-TQFP (PT) 10x10 mm - same |
| Operating Voltage | 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 | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| Max CPU Frequency | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Temperature | -40C to +85C (I grade) | -40C to +85C | -40C to +125C (E grade) | -40C to +85C | -40C to +85C | -40C to +85C |
| LCD Charge Pump | Yes | Yes | Yes | Yes | Yes | Yes |
| Core Independent Peripherals (CIPs) | CWG, SMT, ZCD, CCP, PWM | CWG, SMT, ZCD, CCP, PWM | CWG, SMT, ZCD, CCP, PWM | Subset - no CWG/SMT | Subset - no CWG/SMT | Subset - older generation |
| Packaging | Tape & Reel | Tray | Tray | Tape & Reel | Tray | Tape & Reel |
Key Differentiators
- Integrated LCD charge pump eliminates external boost IC (vs PIC16LF18876T-I/PT)
- Newer CIPs (CWG, SMT) extend hardware autonomy (vs PIC16LF19176T-I/PT)
- Same 64-TQFP package across the family enables PCB reuse (vs PIC16LF19196-I/PT (tray variant))
Design Notes
The PIC16LF19196T-I/PT integrates an LCD charge pump that requires external reservoir capacitors on VLCD1, VLCD2, and VLCD3 pins. Per Microchip application note AN1542, place 1uF X7R ceramic capacitors within 5mm of each VLCD pin and a 100nF bypass cap adjacent to VDD. The charge pump maintains LCD bias even as VDD drops from 3.6V to 1.8V, eliminating the need for external boost circuitry and enabling direct battery operation from a single Li coin cell.
For 64-pin TQFP (10x10mm) layout, allocate a continuous ground pour on the top layer under the IC body to minimize thermal resistance and provide a low-impedance return path for the LCD segment drivers. Keep all VLCD traces short and isolated from digital switching signals - the charge-pump switching noise can couple into sensitive analog ADC inputs if traces run parallel for more than 10mm.
Do not enable unused peripherals - the PMD (Peripheral Module Disable) register lets you switch off individual peripherals to save quiescent current. A common mistake is leaving the ADC2, DAC, or unused CIPs enabled during sleep, which can add 100-500 uA to standby current and reduce battery life by 30%. Also ensure the RTCC is configured to use an external 32.768 kHz crystal for timekeeping accuracy - internal LF oscillator drift can exceed 5% over temperature.
The high-current I/O pins on PORTE and PORTF can sink/source up to 100 mA total for direct backlight LED drive, but doing so creates ground-bounce that can corrupt ADC readings. Decouple the backlight return path with a ferrite bead or 10-ohm resistor, and add 100us software delays after backlight switching before initiating ADC conversions to allow transient settling.
Compliance Information
RoHS and REACH compliance per Microchip product page and DigiKey listing. Not AEC-Q100 qualified - this is an industrial-grade part. For automotive applications, consult Microchip's automotive-grade PIC16 portfolio separately.
