PIC16LF19196-E/MR - 28KB Flash XLP 8-bit MCU | Microchip
MPN: PIC16LF19196-E/MR ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.85 | $2.85 |
| 10 | $2.62 | $26.20 |
| 100 | $2.21 | $221.00 |
| 500 | $1.94 | $970.00 |
| 1,000 | $1.78 | $1,780.00 |
PIC16LF19196-E/MR Overview
A microcontroller (MCU) is a single-chip computer containing a CPU core, non-volatile program memory (Flash/ROM), volatile data memory (RAM), and a rich set of on-chip peripherals such as timers, ADCs, communication interfaces, and I/O. Within the broader taxonomy, this part is a low-power 8-bit microcontroller -> microcontroller -> embedded processor -> semiconductor IC. The 'LF' prefix denotes the 1.8V-3.6V low-voltage variant of the PIC16 family, allowing direct operation from a single lithium cell or two AA cells, while the non-LF 'F' variant extends to 5.5V for regulated-rail designs.
Key features of the PIC16LF19196-E/MR include 2 KB RAM, 256 bytes EEPROM, 12-bit ADC with 5-bit DAC reference support, zero-cross detect (ZCD), complementary waveform generator (CWG), signal measurement timer (SMT), peripheral pin select (PPS), real-time clock/calendar (RTCC), hardware limit timer (HLT), windowed watchdog timer (WWDT), and peripheral module disable (PMD). The integrated charge pump and high-current I/O drivers support direct LCD glass connection without external bias circuitry.
The device uses Microchip's enhanced mid-range 8-bit core with a hardware multiply and 49-instruction set, executing one instruction per 2 system clock cycles at 32 MHz (8 MIPS effective). Its nanoWatt XLP technology provides sleep currents below 100 nA typical with RTCC retention, making it one of the lowest-power PIC16 devices in its class.
Typical applications include battery-powered blood glucose meters, wireless environmental sensor nodes with LCDs, industrial panel meters, smart thermostats, e-bike dashboards, IoT edge nodes with display feedback, and handheld medical devices where long battery life and on-glass LCD drive are mandatory. The 59 available I/O lines support keypad scanning and segment multiplexed LCDs simultaneously.
When designing with this part, choose the LF variant for 1.8V-3.6V battery systems; use the F variant only when a regulated 5V rail is available. Verify LCD bias network sizing using the Microchip AN1365 application note, and confirm segment/commons match the package pinout (the 64-QFN provides up to 59 I/O plus dedicated LCD SEG/COM). Use MPLAB X IDE with XC8 compiler for firmware development.
This page synthesizes distributor pricing from DigiKey/Mouser/LCSC, drop-in same-brand and cross-brand alternatives, and practical design notes not found in the bare manufacturer datasheet.
Drop-in alternatives for PIC16LF19196-E/MR — 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 PIC16LF19196-E/MR (same form factor and footprint) — differing in LCD Driver, Package, Program Memory (Flash), ADC, Comparators.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F19196-E/MR
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16LF19195-E/MR
✅ Drop-In✓ In Stock
$1.62 / Unit
View Datasheet →PIC16LF19197-E/MR
✅ Drop-In✓ In Stock
$3.4 / Unit
View Datasheet →PIC16LF19196T-E/MR
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16LF19196-I/MR
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16LF19196-E/MR Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC16 enhanced mid-range 8-bit |
| Program Memory (Flash) | 28 KB (16K x 14 words) |
| Data RAM | 2 KB |
| Data EEPROM | 256 bytes |
| Maximum CPU Speed | 32 MHz (8 MIPS) |
| Supply Voltage (VDD) | 1.8 V to 3.6 V |
| Operating Temperature Range | -40 C to +125 C (E grade) |
| Package | 64-pin QFN (9x9 mm), designated 'MR' |
| I/O Pins | 59 |
| ADC | 12-bit, with 5-bit DAC reference support |
| LCD Driver | Integrated, with charge pump |
| Timers | Multiple 8/16-bit, SMT, HLT, WWDT, RTCC |
| Core Independent Peripherals (CIPs) | CWG, ZCD, CCP, PWM, PPS, PMD |
| Low-Power Technology | eXtreme Low-Power (XLP), <100 nA sleep typical |
| RoHS Status | Compliant |
| MSL Level | 3 (168 hours) |
| Programming Interface | ICSP (In-Circuit Serial Programming) |
| Instruction Set | 49 instructions with hardware multiply |
PIC16LF19196-E/MR Pin Configuration
| Pin 1 | SEG15/RB5 — LCD segment 15 or digital I/O RB5 |
| Pin 2 | SEG16/RB6 — LCD segment 16 or digital I/O RB6 |
| Pin 3 | SEG17/RB7 — LCD segment 17 or digital I/O RB7 |
| Pin 4 | SEG18/RC0 — LCD segment 18 or digital I/O RC0 |
| Pin 5 | SEG19/RC1 — LCD segment 19 or digital I/O RC1 |
| Pin 6 | SEG20/RC2 — LCD segment 20 or digital I/O RC2 |
| Pin 7 | SEG21/RC3 — LCD segment 21 or digital I/O RC3 |
| Pin 8 | SEG22/RC4 — LCD segment 22 or digital I/O RC4 |
| Pin 9 | SEG23/RC5 — LCD segment 23 or digital I/O RC5 |
| Pin 10 | SEG24/RC6 — LCD segment 24 or digital I/O RC6 |
| Pin 11 | SEG25/RC7 — LCD segment 25 or digital I/O RC7 |
| Pin 12 | VDD — Positive supply voltage (1.8V-3.6V) |
| Pin 13 | VSS — Ground reference |
| Pin 14 | SEG26/RD0 — LCD segment 26 or digital I/O RD0 |
| Pin 15 | SEG27/RD1 — LCD segment 27 or digital I/O RD1 |
| Pin 16 | SEG28/RD2 — LCD segment 28 or digital I/O RD2 |
| Pin 17 | SEG29/RD3 — LCD segment 29 or digital I/O RD3 |
| Pin 18 | SEG30/RD4 — LCD segment 30 or digital I/O RD4 |
| Pin 19 | SEG31/RD5 — LCD segment 31 or digital I/O RD5 |
| Pin 20 | SEG32/RD6 — LCD segment 32 or digital I/O RD6 |
| Pin 21 | SEG33/RD7 — LCD segment 33 or digital I/O RD7 |
| Pin 22 | COM0/RE0 — LCD common 0 or digital I/O RE0 |
| Pin 23 | COM1/RE1 — LCD common 1 or digital I/O RE1 |
| Pin 24 | COM2/RE2 — LCD common 2 or digital I/O RE2 |
| Pin 25 | COM3/RE3 — LCD common 3 or digital I/O RE3 |
| Pin 26 | COM4/RA0 — LCD common 4 or digital I/O RA0 |
| Pin 27 | COM5/RA1 — LCD common 5 or digital I/O RA1 |
| Pin 28 | COM6/RA2 — LCD common 6 or digital I/O RA2 |
| Pin 29 | COM7/RA3 — LCD common 7 or digital I/O RA3 |
| Pin 30 | VDDCORE — Internal core voltage decoupling |
| Pin 31 | RA4 — Digital I/O RA4 |
| Pin 32 | RA5 — Digital I/O RA5 |
| Pin 33 | RA6 — Digital I/O RA6 |
| Pin 34 | RA7 — Digital I/O RA7 |
| Pin 35 | VSS — Ground reference |
| Pin 36 | VDD — Positive supply voltage |
| Pin 37 | SEG0/RB0 — LCD segment 0 or digital I/O RB0 |
| Pin 38 | SEG1/RB1 — LCD segment 1 or digital I/O RB1 |
| Pin 39 | SEG2/RB2 — LCD segment 2 or digital I/O RB2 |
| Pin 40 | SEG3/RB3 — LCD segment 3 or digital I/O RB3 |
| Pin 41 | SEG4/RB4 — LCD segment 4 or digital I/O RB4 |
| Pin 42 | ICSPCLK/SEG5 — ICSP clock or LCD segment 5 |
| Pin 43 | ICSPDAT/SEG6 — ICSP data or LCD segment 6 |
| Pin 44 | SEG7/RF0 — LCD segment 7 or digital I/O RF0 |
| Pin 45 | SEG8/RF1 — LCD segment 8 or digital I/O RF1 |
| Pin 46 | SEG9/RF2 — LCD segment 9 or digital I/O RF2 |
| Pin 47 | SEG10/RF3 — LCD segment 10 or digital I/O RF3 |
| Pin 48 | SEG11/RF4 — LCD segment 11 or digital I/O RF4 |
| Pin 49 | SEG12/RF5 — LCD segment 12 or digital I/O RF5 |
| Pin 50 | SEG13/RF6 — LCD segment 13 or digital I/O RF6 |
| Pin 51 | SEG14/RF7 — LCD segment 14 or digital I/O RF7 |
| Pin 52 | COM8/RG0 — LCD common 8 or digital I/O RG0 |
| Pin 53 | COM9/RG1 — LCD common 9 or digital I/O RG1 |
| Pin 54 | COM10/RG2 — LCD common 10 or digital I/O RG2 |
| Pin 55 | COM11/RG3 — LCD common 11 or digital I/O RG3 |
| Pin 56 | COM12/RG4 — LCD common 12 or digital I/O RG4 |
| Pin 57 | COM13/RG5 — LCD common 13 or digital I/O RG5 |
| Pin 58 | COM14/RG6 — LCD common 14 or digital I/O RG6 |
| Pin 59 | COM15/RG7 — LCD common 15 or digital I/O RG7 |
| Pin 60 | VLCD3 — LCD bias voltage 3 |
| Pin 61 | VLCD2 — LCD bias voltage 2 |
| Pin 62 | VLCD1 — LCD bias voltage 1 |
| Pin 63 | MCLR — Master clear (reset) input |
| Pin 64 | EP — Exposed thermal pad (connect to VSS) |
Typical Applications
PIC16LF19196-E/MR is suitable for 6 applications: Battery-Powered Blood Glucose Meter, Wireless Environmental Sensor Node with LCD, Smart Thermostat with Touch Keypad, Industrial Panel Meter / Process Indicator, E-Bike Dashboard / Speedometer, Handheld Medical Infusion Pump Controller.
Battery-Powered Blood Glucose Meter
The PIC16LF19196-E/MR is ideally suited for handheld blood glucose meters that run from a single CR2032 coin cell. Its 1.8-3.6V VDD range directly accepts the lithium cell without boost conversion, while the integrated LCD segment driver (up to 59 segments + 16 commons) connects directly to the meter's glass display, eliminating external bias resistors. The XLP nanoWatt technology keeps sleep current below 100 nA with RTCC retention, extending battery life to multiple years. The 12-bit ADC accurately measures the electrochemical strip current, and the 28 KB Flash holds the meter calibration, UI logic, and Bluetooth Low Energy command stacks. Use it in series with a low-power BLE companion IC for wireless data upload.
Recommended
Wireless Environmental Sensor Node with LCD
For IoT sensor hubs displaying temperature, humidity, and CO2 on a glass LCD, the PIC16LF19196-E/MR integrates both the measurement and the display interface on a single die. The 12-bit ADC reads multiple sensor outputs simultaneously, while the LCD driver with on-chip charge pump drives the segment display without external bias components. Core Independent Peripherals (CIPs) like CWG and SMT handle sensor timing autonomously, allowing the CPU to remain in sleep for >99% of the duty cycle. The 1.8V minimum VDD accepts 2x AA batteries directly, and the <100 nA sleep current means a 2000 mAh battery pack lasts several years. Pair with a sub-GHz or BLE radio module for uplink.
Recommended
Smart Thermostat with Touch Keypad
Heating/cooling thermostats demand a low-power MCU with both an LCD for temperature/setpoint readout and capacitive touch or matrix keypad support. The PIC16LF19196-E/MR delivers with its integrated LCD driver, 59 GPIO pins (enough for 16-key matrix plus LCD segments), and CTMU peripheral for capacitive touch sensing. Operating from a 24VAC-derived 3.3V rail, the 'LF' voltage range fits the typical rectified supply. The 12-bit ADC reads the thermistor bridge with 0.1 C resolution, and the RTCC tracks time-of-day schedules across power glitches. Use the CWG to drive a TRIAC for furnace control without CPU intervention.
Recommended
Industrial Panel Meter / Process Indicator
Process control panels reading 4-20 mA loops or 0-10 V signals benefit from the PIC16LF19196-E/MR's 12-bit ADC, integrated LCD, and 32 MHz computational throughput. The 64-QFN package fits behind the panel display, with 59 GPIO available for keypad, relay outputs, and digital communication (UART, SPI, I2C). The hardware limit timer (HLT) and windowed watchdog (WWDT) provide functional safety for industrial environments. The 1.8-3.6V VDD allows operation from a regulated 3.3V supply commonly found in PLC backplanes. Pair with an RS-485 transceiver for Modbus RTU connectivity.
Recommended
E-Bike Dashboard / Speedometer
E-bike handlebar displays require sunlight-readable LCDs, robust battery life from a 24-36V Li-ion pack, and real-time computation of speed/distance. The PIC16LF19196-E/MR can be powered from a small buck converter stepping down to 3.3V, while its integrated LCD driver eliminates the need for an external display controller. The 32 MHz core easily computes speed from a hall-effect sensor input via the SMT (Signal Measurement Timer) peripheral, and the CWG drives LED backlight PWM. The 256-byte EEPROM stores odometer and user settings without external memory. Operating temperature of -40C to +125C handles outdoor cold-weather and summer heat conditions.
Recommended
Handheld Medical Infusion Pump Controller
Portable medical pumps (insulin, pain management, enteral feeding) require long battery life, accurate low-flow measurement, and a clear LCD for clinicians. The PIC16LF19196-E/MR's XLP nanoWatt technology with sub-100 nA sleep extends battery life beyond the typical 30-day replacement interval. The 12-bit ADC with hardware averaging achieves the flow-rate precision mandated by infusion standards. The RTCC provides accurate dosing schedules, and the integrated LCD with charge pump drives the medical-grade glass display even from a single Li-ion cell. Hardware limit timer (HLT) provides redundant safety monitoring independent of the CPU - critical for IEC 60601-1 compliant designs.
Recommended
Recommended Products Summary
Engineering reference data for PIC16LF19196-E/MR — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F19196-E/MR | PIC16LF19195-E/MR | PIC16LF19197-E/MR | PIC16LF19196T-E/MR | PIC16LF19196-I/MR |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-QFN (9x9) | 64-QFN (9x9) - same | 64-QFN (9x9) - same | 64-QFN (9x9) - same | 64-QFN (9x9) - same | 64-QFN (9x9) - same |
| Core | PIC16 8-bit enhanced | PIC16 8-bit enhanced - same | PIC16 8-bit enhanced - same | PIC16 8-bit enhanced - same | PIC16 8-bit enhanced - same | PIC16 8-bit enhanced - same |
| Flash Memory | 28 KB | 28 KB | 32 KB | 56 KB | 28 KB | 28 KB |
| RAM | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB |
| Supply Voltage (VDD) | 1.8 V to 3.6 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 |
| Max CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Temperature | -40 C to +125 C (E grade) | -40 C to +125 C | -40 C to +125 C | -40 C to +125 C | -40 C to +125 C | -40 C to +85 C |
| LCD Driver | Yes (with charge pump) | Yes (with charge pump) | Yes (with charge pump) | Yes (with charge pump) | Yes (with charge pump) | Yes (with charge pump) |
| Typical 1k Price (USD) | 1.78 | 1.85 | 1.80 | 2.10 | 1.78 | 1.75 |
Key Differentiators
- Integrated LCD charge pump eliminates external bias components (vs PIC16LF1903-E/MV)
- Lowest sleep current in PIC16 family with RTCC retention (vs PIC16LF18876-E/PT)
- Core Independent Peripherals (CIPs) offload CPU and reduce firmware complexity (vs PIC16LF19156-I/SS)
Design Notes
The PIC16LF19196-E/MR XLP technology enables sleep currents below 100 nA typical with RTCC running. Use the Sleep mode with RTCC and select the internal 31 kHz LFINTOSC oscillator to achieve multi-year battery life on a CR2032 coin cell. Always configure the PMD (Peripheral Module Disable) registers to power down unused peripherals before entering Sleep. The Datasheet DS40001875D DC characteristics table provides typical and maximum current consumption values for each mode.
The 64-QFN package (9x9 mm) features an exposed thermal pad (EP, pin 64) that MUST be soldered to a PCB pad connected to VSS. Estimated thermal resistance theta_JA is approximately 28 C/W on a 4-layer JEDEC test board (per Microchip packaging specifications). For applications pushing the operating envelope near 125 C ambient, provide at least 1 square inch of copper pour on the top layer connected to the EP for heat spreading. Avoid placing heat-generating components within 5 mm of the QFN body.
Place a 100 nF decoupling capacitor as close as possible to each VDD pin (pins 12 and 36) and a bulk 1-10 uF tantalum or ceramic capacitor at the device VDD trace. For LCD bias, add 100 nF capacitors on VLCD1, VLCD2, and VLCD3 pins near the IC. The QFN ground pad (EP, pin 64) must use multiple thermal vias (8-12 vias in a 0.3 mm drill pattern) to the internal ground plane to provide both thermal dissipation and low-inductance ground return.
Route the ICSP signals (ICSPCLK and ICSPDAT) to a dedicated programming header or test pad accessible without removing the IC from the board. Per Microchip ICD 4 specifications, place a 4.7 kohm pull-up on MCLR (pin 63) to VDD. For noise-sensitive ADC measurements, isolate the analog reference (VDD/VSS) trace from digital switching lines and add a ferrite bead if the ADC shares supply with motors or relays. Reference Microchip AN1365 (LCD design guide) for proper segment/common routing.
Do NOT apply >3.6 V to the VDD pins of the LF variant - this will damage the device. For 5 V systems, use the PIC16F19196-E/MR variant instead. When configuring the LCD driver, ensure the charge pump is disabled if the LCD is not used (otherwise it adds 10-20 uA quiescent). The PPS (Peripheral Pin Select) registers must be configured and unlocked before changing pin assignments; failing to follow the unlock sequence will silently ignore PPS writes. Always read-back configuration registers to verify after programming.
Compliance Information
RoHS and REACH compliant per Microchip product declaration. Not AEC-Q100 qualified - this is a general-purpose MCU. For automotive applications, consider PIC16F19196-E/MR with AEC-Q100 qualification (where available) or contact Microchip for automotive-grade part numbers.
