PIC16F19195T-I/MR - 8-bit XLP MCU, 14KB Flash, 64-QFN | Microchip
MPN： PIC16F19195T-I/MR ✓ 啟用中PIC16F19195T-I/MR 概覽
An 8-bit PIC microcontroller (MCU) is a Harvard-architecture embedded controller that executes one byte-wide instruction per cycle from internal Flash, providing deterministic real-time response in cost-sensitive applications. Within the broader taxonomy it sits under microcontroller -> embedded controller -> semiconductor device, and is the workhorse of consumer appliances, industrial sensors, and battery-powered LCD products where low active current and deep-sleep nanoWatt XLP modes are essential.
Key features include operation from 1.8V to 5.5V, integrated charge pump for LCD bias generation, high-current I/O for directly driving LEDs and segment lines, and communication peripherals (I2C, SPI, UART/USART, LIN). The XLP technology delivers active currents in the microamp range and deep sleep currents below 100 nA typical, allowing multi-year coin-cell operation in metering and wearable products.
Architecturally, the PIC16F19195 uses a RISC-style 14-bit instruction word with a 16-level hardware stack and 49 instruction set optimized for compiled C code via Microchip's MPLAB XC8 toolchain. The CIP block (CLC, NCO, PWM, COG) offloads timing-critical tasks from the CPU, improving system-level power efficiency.
Typical applications include battery-powered LCD thermostats, household metering displays, IoT sensor nodes with segmented displays, medical glucose/peak-flow meters, and industrial HMI panels. The integrated charge pump eliminates external LCD bias components, reducing BOM cost by up to 30% versus discrete LCD-driver designs.
When designing with this device, ensure the exposed pad is soldered to a continuous ground copper pour of at least 25 mm squared to meet the 9x9 mm QFN thermal envelope. Use MPLAB Code Configurator (MCC) plugins to generate peripheral initialization code, which significantly reduces firmware development time for the CIP peripherals.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet alone.
直接替換替代品，適用於 PIC16F19195T-I/MR — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： PIC16F19195T-I/MR （相同外形與佔位） — 差異在於 Package, ADC, Core, Comparators, Operating Temperature Range.
PIC16F19196-I/MR
✅ 直接替換聯絡詢價
查看資料表 →PIC16F19197-I/MR
✅ 直接替換聯絡詢價
查看資料表 →PIC16F19195-I/MR
✅ 直接替換📋 參考替代品（不在目錄中）
PIC16F19195-E/MR
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →PIC16F19195T-E/MR
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
PIC16F19195T-I/MR 最大額定值與電氣特性
| Core | PIC 8-bit RISC |
| Program Memory | 14 KB Flash (8K x 14 words) |
| RAM | 1 KB |
| EEPROM | 256 bytes |
| Maximum CPU Speed | 32 MHz |
| Operating Voltage Range | 1.8 V to 5.5 V |
| 封裝 | 64-QFN (9x9 mm) with exposed pad |
| 安裝類型 | Surface Mount |
| Temperature Range (Industrial) | -40C to +85C |
| Communication Peripherals | I2C, SPI, UART/USART, LIN |
| Analog Peripherals | 12-bit ADC, DAC, low-power comparators |
| LCD Driver | Integrated with charge pump |
| XLP Technology | Yes (eXtreme Low Power) |
| Core Independent Peripherals | CLC, NCO, PWM, COG (CIP) |
| RoHS 狀態 | Compliant |
PIC16F19195T-I/MR 64-qfn (9x9 mm) with exposed pad 腳位配置指南
PIC16F19195T-I/MR（64-qfn (9x9 mm) with exposed pad 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： PIC16F19195T-I/MR.
請參閱 資料表 以查看完整腳位配置。
典型應用
PIC16F19195T-I/MR 適用於 6 應用s: Battery-Powered LCD Thermostat, Household Metering Display, IoT Sensor Node with Segmented Display, Medical Glucose / Peak-Flow Meter, Industrial HMI Panel with Status LCD, Wearable Fitness Band with Mini Display.
Battery-Powered LCD Thermostat
The PIC16F19195T-I/MR's integrated LCD charge pump and 96-segment driver enable direct connection to a custom segment LCD without external bias components. With XLP nanoWatt sleep current of 50 nA typical and 1.8 uA RTC active current per Microchip datasheet DS40001953, the MCU can run a thermostat display from two AA batteries for over 5 years. The 12-bit ADC and low-power comparator support NTC thermistor sensing, while the CLC peripheral implements hysteresis logic without CPU intervention. Use the 1.8V-5.5V operating range to power directly from alkaline cells. Choose PIC16F19196 if you need more than 96 LCD segments.
推薦
Household Metering Display
The PIC16F19195T-I/MR is engineered for water, gas, and electricity meters that demand multi-year battery life and segment LCD readouts. Its XLP technology delivers 50 nA typical sleep and the integrated charge pump supports up to 96 LCD segments at low contrast, eliminating external voltage-doubler circuits. The 32 MHz core and 14 KB Flash can host IEC 62056-21 meter protocols. Per Microchip datasheet DS40001953, the 12-bit ADC and DAC enable precise sensor signal conditioning, while UART/USART plus LIN bus simplify AMR connectivity. The 64-QFN (9x9 mm) footprint suits compact meter enclosures.
推薦
IoT Sensor Node with Segmented Display
The PIC16F19195T-I/MR's XLP technology and on-chip CIP peripherals make it ideal for battery-powered IoT sensor nodes that display readings on a small segment LCD. The CLC, NCO, and PWM Core Independent Peripherals handle sensor pulse counting, PWM-driven LED dimming, and tone generation without CPU wake-up, reducing average current by 60-70 percent versus polled designs. Per Microchip datasheet DS40001953, the device supports 1.8V-5.5V supply and includes I2C/SPI/UART for wireless module connectivity, while the 256-byte EEPROM stores calibration data across power cycles.
推薦
Medical Glucose / Peak-Flow Meter
The PIC16F19195T-I/MR powers handheld medical meters where regulatory traceability, low BOM cost, and battery longevity are non-negotiable. Its 14 KB Flash and 1 KB RAM host glucose-curve lookup tables and result-history buffering, while the integrated LCD charge pump drives 96-segment numeric displays without external components. Per Microchip datasheet DS40001953, the 12-bit ADC with internal reference provides accurate photometric glucose-strip readout, and the low-power comparator detects strip insertion. XLP nanoWatt sleep extends coin-cell life to over 1000 measurements, supporting IEC 60601-1 portable medical designs.
推薦
Industrial HMI Panel with Status LCD
The PIC16F19195T-I/MR delivers industrial-grade -40C to +85C operation, 14 KB Flash for Modbus or CANopen stack, and a 96-segment LCD driver for status panels on machinery. The UART/USART plus LIN bus enable simple fieldbus integration, while the 12-bit ADC reads analog sensor inputs directly. Per Microchip datasheet DS40001953, the 32 MHz core supports real-time Modbus RTU response, and the 64-QFN (9x9 mm) package fits behind a compact 96-segment LCD. Choose PIC16F19195T-E/MR for extended -40C to +125C operation in harsh industrial environments.
推薦
Wearable Fitness Band with Mini Display
The PIC16F19195T-I/MR is suited to wearable fitness bands that combine heart-rate sensing, step counting, and a small status LCD on a single coin-cell battery. Its XLP nanoWatt sleep current of 50 nA typical per Microchip datasheet DS40001953, combined with the CLC-implemented step-counter peripheral, keeps active current under 5 uA average. The integrated charge pump drives 96-segment LCDs for time/date display, while the 12-bit ADC reads photoplethysmography (PPG) sensor output. The 64-QFN (9x9 mm) package occupies under 50 mm squared of PCB, ideal for thin wristbands.
推薦
推薦產品摘要
工程參考資料，適用於 PIC16F19195T-I/MR — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | PIC16F19196-I/MR | PIC16F19197-I/MR | PIC16F19195-I/MR | PIC16F19195-E/MR | PIC16F19195T-E/MR |
|---|---|---|---|---|---|---|
| Package | 64-QFN (9x9 mm) | 64-QFN (9x9 mm) - same | 64-QFN (9x9 mm) - same | 64-QFN (9x9 mm) - same | 64-QFN (9x9 mm) - same | 64-QFN (9x9 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core | 8-bit PIC16 | 8-bit PIC16 | 8-bit PIC16 | 8-bit PIC16 | 8-bit PIC16 | 8-bit PIC16 |
| Flash / RAM / EEPROM | 14 KB / 1 KB / 256 B | 14 KB / 1 KB / 256 B | 14 KB / 1 KB / 256 B | 14 KB / 1 KB / 256 B | 14 KB / 1 KB / 256 B | 14 KB / 1 KB / 256 B |
| Maximum CPU Speed | 32 MHz / 8 MIPS | 32 MHz / 8 MIPS | 32 MHz / 8 MIPS | 32 MHz / 8 MIPS | 32 MHz / 8 MIPS | 32 MHz / 8 MIPS |
| LCD Segments | 96 | 192 (+96) | 320 (+224) | 96 (same) | 96 (same) | 96 (same) |
| CTMU (Touch Sensing) | No | Yes | Yes | No | No | No |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +125C (Extended) | -40C to +125C (Extended) |
| Operating Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
主要差異化特點
- Only 64-QFN family member at qty-1 price tier (對比PIC16F19196-I/MR)
- Industrial temperature grade vs extended grade alternatives (對比PIC16F19195-E/MR)
- Tape-and-reel vs tube packaging (對比PIC16F19195-I/MR)
設計說明
The 64-QFN (9x9 mm) package has an exposed thermal pad (EP) that MUST be soldered to a continuous ground copper pour of at least 25 mm squared on the top and bottom layers. Estimated: with EP properly soldered, theta_JA is approximately 25 C/W; without EP soldering it rises to over 60 C/W and the device may exceed its +85C industrial limit at full 32 MHz / 5.5V operation. Use at least four 0.4 mm thermal vias in the EP land pattern to conduct heat into inner ground planes.
Place a 100 nF decoupling capacitor within 3 mm of each VDD pin (multiple VDD pins on 64-QFN) and a single 4.7 uF bulk capacitor near the package. Add a 10 uF bulk capacitor on the LCD charge-pump output (VLCD pin) if using high-segment-count displays. Per Microchip datasheet DS40001953, all VSS pins must be connected to the ground plane, and trace lengths from VDD/VSS to capacitors must be minimized to reduce switching noise coupling into the ADC reference.
Do not leave MCLR floating - tie to VDD through a 10 kohm pull-up or drive from a microcontroller supervisor for production designs, as floating MCLR can cause spurious resets. When migrating from PIC16F19155/PIC16F19156 to PIC16F19195, verify the LCD pin assignments - PIC16F19195 has more LCD segment pins than earlier PIC16F1xxx families. Use the MPLAB Code Configurator (MCC) to regenerate peripheral setup code and avoid register-name mismatches. Always configure unused I/O pins as outputs driving low to minimize sleep current.
Keep the 32 MHz oscillator traces (OSC1/OSC2) or the external crystal within 5 mm of the MCU and surrounded by a ground guard ring. For ADC accuracy, route analog signals (ANx) away from the LCD segment lines and charge-pump switching traces; the LCD charge pump generates up to 3Vpp ripple that can couple into sensitive analog channels if routing is not separated by at least 5 mm or a ground trace.
合規資訊
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified - this is an industrial/consumer MCU, not automotive grade. Lead-free and halogen-free packaging standard.
