PIC16F19176-I/P - 8-bit XLP MCU, 28KB Flash, 40-PDIP | Microchip
MPN: PIC16F19176-I/P β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.5 | $2.50 |
| 10 | $2.25 | $22.50 |
| 100 | $1.95 | $195.00 |
| 500 | $1.72 | $860.00 |
| 1,000 | $1.55 | $1,550.00 |
PIC16F19176-I/P Overview
An 8-bit microcontroller (MCU) is a small computer-on-a-chip built around a CPU with an 8-bit data path, on-chip program and data memory, and integrated peripherals such as timers, ADCs, and communication interfaces. The PIC16F19176 belongs to the PIC16 family of mid-range MCUs, which sit inside the larger PIC microcontroller hierarchy and ultimately within the embedded microcontroller and microprocessor family. PIC16 parts are known for deterministic instruction execution, small code size, and a broad peripheral set, making them a mainstay of low-power embedded designs.
Key features include 12-bit ADC2 with computation, a 5-bit DAC, low-power comparators (LP COMP), PWM, CCP, CWG (Complementary Waveform Generator), SMT (Signal Measurement Timer), ZCD (Zero-Cross Detect), PPS (Peripheral Pin Select), RTCC (Real-Time Clock/Calendar), HLT (Hardware Limit Timer), WWDT (Windowed Watchdog Timer), and PMD (Peripheral Module Disable). An integrated LCD charge pump simplifies LCD bias generation, and high-current I/O pins enable direct LED drive in battery-powered HMI modules.
The device leverages Microchip's eXtreme Low-Power (XLP) architecture with multiple power-managed modes, core-independent peripherals (CIPs) that offload tasks from the CPU, and intelligent analog that performs signal conditioning without waking the core. The result is a deep-sleep current typically below 100 nA with RTCC running, ideal for energy-harvesting or multi-year battery installations.
Typical applications include battery-powered LCD consumer devices, IoT sensor nodes with display, white-goods user interfaces, medical glucose and infusion meters, industrial HMI panels, and home-automation thermostats. The on-chip RTCC and LCD charge pump together remove the need for external RTC chips and discrete bias networks, reducing BOM cost and PCB area.
When designing with the PIC16F19176-I/P, decouple VDD with a 100 nF ceramic capacitor placed within 5 mm of the pins, and ensure the ICSP programming pins (ICSPCLK/ICSPDAT) are accessible for in-circuit programming. Choose the LCD charge-pump voltage carefully to balance display contrast with sleep-mode current budget.
This page consolidates distributor pricing, cross-brand drop-in alternatives, application examples, and design notes that go beyond the manufacturer datasheet, giving procurement and engineering teams a single decision-ready reference.
Drop-in alternatives for PIC16F19176-I/P β 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 PIC16F19176-I/P (same form factor and footprint) β differing in ADC, Comparators, Core, I/O Pins, LCD Driver.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
PIC16F19175-I/P
β Drop-Inπ Reference alternative (not in catalog)
PIC16F19176-E/P
β Drop-Inπ Reference alternative (not in catalog)
PIC16F19176-I/P Maximum Ratings & Electrical Characteristics
| Core | PIC16 8-bit RISC |
| Program Memory (Flash) | 28 KB (16K x 14 words) |
| Data RAM | 2 KB |
| Data EEPROM | 256 bytes |
| Maximum CPU Speed | 32 MHz |
| Operating Voltage | 1.8 V to 5.5 V |
| Package | 40-pin PDIP (DIP-40, through-hole) |
| Operating Temperature | -40 C to +85 C (Industrial, 'I' suffix) |
| ADC | 12-bit ADC2 with computation |
| DAC | 5-bit DAC |
| Comparators | Low-power comparators (LP COMP) |
| LCD Driver | Integrated with on-chip charge pump |
| Timers / PWM | PWM, CCP, CWG, SMT, ZCD, HLT, WWDT, RTCC |
| Peripheral Pin Select (PPS) | Yes |
| I/O Pins | High-current I/O with direct LED drive |
| Low-Power Technology | eXtreme Low-Power (XLP) |
| Mounting Type | Through-hole DIP |
| RoHS Status | Compliant |
PIC16F19176-I/P Pin Configuration
| Pin 1 | RE3/MCLR β Digital input; Master Clear with internal weak pull-up (input only) |
| Pin 2 | RA0 β Bidirectional I/O with LCD segment drive |
| Pin 3 | RA1 β Bidirectional I/O with LCD segment drive |
| Pin 4 | RA2 β Bidirectional I/O with LCD segment drive |
| Pin 5 | RA3 β Bidirectional I/O with LCD segment drive |
| Pin 6 | RA4 β Bidirectional I/O with LCD segment drive |
| Pin 7 | RA5 β Bidirectional I/O with LCD segment drive |
| Pin 8 | RA6 β Bidirectional I/O with LCD segment drive |
| Pin 9 | RA7 β Bidirectional I/O with LCD segment drive |
| Pin 10 | VSS β Ground reference |
| Pin 11 | VDD β Positive supply voltage (1.8 V to 5.5 V) |
| Pin 12 | RB0 β Bidirectional I/O with LCD segment drive |
| Pin 13 | RB1 β Bidirectional I/O with LCD segment drive |
| Pin 14 | RB2 β Bidirectional I/O with LCD segment drive |
| Pin 15 | RB3 β Bidirectional I/O with LCD segment drive |
| Pin 16 | RB4 β Bidirectional I/O with LCD segment drive |
| Pin 17 | RB5 β Bidirectional I/O with LCD segment drive |
| Pin 18 | RB6/ICSPCLK β Bidirectional I/O; ICSP clock |
| Pin 19 | RB7/ICSPDAT β Bidirectional I/O; ICSP data |
| Pin 20 | VSS β Ground reference |
| Pin 21 | VDD β Positive supply voltage (1.8 V to 5.5 V) |
| Pin 22 | RC0 β Bidirectional I/O with LCD segment drive |
| Pin 23 | RC1 β Bidirectional I/O with LCD segment drive |
| Pin 24 | RC2 β Bidirectional I/O with LCD segment drive |
| Pin 25 | RC3 β Bidirectional I/O with LCD segment drive |
| Pin 26 | RC4 β Bidirectional I/O with LCD segment drive |
| Pin 27 | RC5 β Bidirectional I/O with LCD segment drive |
| Pin 28 | RC6 β Bidirectional I/O with LCD segment drive |
| Pin 29 | RC7 β Bidirectional I/O with LCD segment drive |
| Pin 30 | VSS β Ground reference |
| Pin 31 | VDD β Positive supply voltage (1.8 V to 5.5 V) |
| Pin 32 | RD0 β Bidirectional I/O with LCD segment drive |
| Pin 33 | RD1 β Bidirectional I/O with LCD segment drive |
| Pin 34 | RD2 β Bidirectional I/O with LCD segment drive |
| Pin 35 | RD3 β Bidirectional I/O with LCD segment drive |
| Pin 36 | RD4 β Bidirectional I/O with LCD segment drive |
| Pin 37 | RD5 β Bidirectional I/O with LCD segment drive |
| Pin 38 | RD6 β Bidirectional I/O with LCD segment drive |
| Pin 39 | RD7 β Bidirectional I/O with LCD segment drive |
| Pin 40 | RE0 β Bidirectional I/O with LCD segment drive |
| Pin 41 | RE1 β Bidirectional I/O with LCD segment drive |
| Pin 42 | RE2 β Bidirectional I/O with LCD segment drive |
Typical Applications
PIC16F19176-I/P is suitable for 6 applications: Battery-Powered LCD Consumer Devices, Industrial HMI Panels, Medical Glucose and Infusion Meters, Smart Home Thermostats, IoT Sensor Nodes with Display, Automotive Aftermarket Accessories.
Battery-Powered LCD Consumer Devices
The PIC16F19176-I/P is ideally suited to battery-powered LCD consumer products such as blood-pressure monitors, electronic thermostats, and remote controls. Its integrated LCD driver with on-chip charge pump eliminates the need for external bias components, while the eXtreme Low-Power (XLP) architecture delivers sub-100 nA deep-sleep current with the RTCC running. Engineers benefit from 28 KB Flash for application code and 12-bit ADC2 for sensor readout, all powered from a single CR2032 coin cell lasting multiple years.
Recommended
Industrial HMI Panels
For industrial human-machine interface (HMI) panels that combine an LCD with push-button or rotary controls, the PIC16F19176-I/P offers core-independent peripherals (CIPs) that handle button debounce, PWM backlight dimming, and rotary-encoder counting without CPU intervention. The high-current I/O pins directly sink LED segments, while the 32 MHz core provides responsive UI response. PPS allows flexible pin mapping so the PCB layout can be optimized for mechanical constraints without firmware changes.
Recommended
Medical Glucose and Infusion Meters
Medical meters such as glucose monitors and portable infusion pumps demand deterministic real-time behavior and ultra-low standby current. The PIC16F19176-I/P delivers hardware Windowed Watchdog Timer (WWDT) for safety compliance, Hardware Limit Timer (HLT) for fault detection, and 12-bit ADC2 with computation for accurate sensor measurement. XLP modes extend battery life to weeks on a single charge while the LCD charge pump maintains clear display readability in low-light clinical environments.
Recommended
Smart Home Thermostats
Smart-home thermostats require a wide operating voltage range (often 24 VAC rectified) and the ability to drive character LCDs without external charge pumps. The PIC16F19176-I/P operates from 1.8 V to 5.5 V, integrates the LCD bias network, and exposes high-current I/O for relay or TRIAC control of HVAC actuators. With PPS and PMD, the same firmware can target different thermostat models, reducing SKU proliferation and shortening time-to-market.
Recommended
IoT Sensor Nodes with Display
IoT edge nodes that combine sensor aggregation with on-device LCD visualization benefit from the PIC16F19176-I/P's intelligent analog peripherals and CIP-driven UART/SPI/I2C wake events. The MCU can stay in deep sleep while the RTCC wakes it for periodic sensor reads, displays the result on the integrated LCD, and returns to sleep - all under 100 nA average current. PPS lets the designer route the same I2C bus to multiple sensors without board respins.
Recommended
Automotive Aftermarket Accessories
Aftermarket automotive accessories such as tire-pressure displays, OBD-II diagnostic readers, and alarm remotes benefit from the PIC16F19176-I/P's -40 C to +85 C industrial temperature range and high-ESD-tolerant I/O. Its 5.5 V tolerance simplifies integration with 12 V automotive rails via a low-dropout regulator, while the on-chip LCD charge pump enables compact dashboard-mounted displays. For AEC-Q100 qualified variants, migrate to the PIC16F19176-E/P (extended temperature grade).
Recommended
Recommended Products Summary
Engineering reference data for PIC16F19176-I/P β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F19175-I/P | PIC16F19176-E/P |
|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 40-pin PDIP | 40-pin PDIP | 40-pin PDIP |
| Program Memory (Flash) | 28 KB | 28 KB | 28 KB |
| Data RAM | 2 KB | 2 KB | 2 KB |
| Data EEPROM | 256 bytes | 256 bytes | 256 bytes |
| Maximum CPU Speed | 32 MHz | 32 MHz | 32 MHz |
| Operating Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| Temperature Grade | Industrial -40 C to +85 C | Industrial -40 C to +85 C | Extended -40 C to +125 C |
| LCD Charge Pump | Integrated | Integrated | Integrated |
Key Differentiators
- Integrated LCD charge pump eliminates external bias components (vs PIC16F15276-I/P)
- Extended temperature grade option in same footprint (vs PIC16F19175-I/P)
- Core-independent peripherals (CIPs) offload tasks from the CPU (vs PIC18F4523-E/P)
Design Notes
Place a 100 nF ceramic decoupling capacitor within 5 mm of each VDD/VSS pin pair (this part has multiple VDD/VSS pins: pins 10/11, 20/21, 30/31). Add a bulk 10 uF tantalum or ceramic capacitor near the MCU for transient suppression. The XLP deep-sleep current is in the nanoampere range; ensure no floating inputs above 0.3*VDD or leakage paths through external pull-ups degrade the sleep budget.
Estimated: at 32 MHz and full peripheral activity, core current draw is roughly 4 mA. Adding LCD charge pump and LED I/O drive at 5 V, total current can reach 15 mA with all LEDs on. With a thermal resistance theta_JA of approximately 50 C/W for PDIP-40, the junction temperature rise is only 0.75 C above ambient - no heatsink is required even at elevated temperatures. Derate by 30% if the package is enclosed without airflow.
Route the ICSP clock and data lines (RB6/ICSPCLK and RB7/ICSPDAT) without series resistors when used for production programming, and keep them away from switching signals. Reserve a 4-pin header (or test pads) for the PICkit/SNAP programmer. For LCD applications, route segment and common lines as short, parallel traces with ground shielding to minimize crosstalk that would otherwise appear as ghost segments.
Do not leave MCLR floating - even though the PIC16F19176 has an internal weak pull-up, noise on MCLR can trigger spurious resets in electrically noisy environments. Add a 10 kohm external pull-up and a 100 nF capacitor to VDD for hardware reset filtering. When using LVP, ensure the LVP configuration bit is set and avoid driving the PGM pin during normal operation.
Compliance Information
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified; for automotive-grade deployments use the extended-temperature PIC16F19176-E/P or contact Microchip for AEC-Q100 variants.
