PIC16LF1906T-I/SO - 8-bit MCU, 14KB Flash, LCD, XLP | Microchip
Référence : PIC16LF1906T-I/SO ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $1.28 | $1,28 |
| 10 | $1.21 | $12,10 |
| 100 | $1.05 | $105,00 |
| 500 | $0.86 | $430,00 |
| 1 000 | $0.68 | $680,00 |
| 3 000 | $0.52 | $1 560,00 |
PIC16LF1906T-I/SO Présentation
A PIC16F-series microcontroller is an 8-bit RISC-based MCU using a modified Harvard architecture with separate program and data buses, which lets the CPU fetch the next instruction while accessing data memory in the same cycle. Within the broader taxonomy, PIC16LF1906 belongs to the PIC16F family, which itself sits under the PIC microcontroller hierarchy, then to 8-bit microcontrollers, MCUs, microprocessors, and finally to embedded semiconductors. The 'LF' prefix denotes the low-voltage (1.8V-3.6V) process variant, while 'XLP' (eXtreme Low Power) is Microchip's branded nanoWatt technology that delivers sub-microamp sleep currents.
Key features include 14KB (8K x 14 words) of self-programmable Flash, 512 bytes of data SRAM, 256 bytes of EEPROM, an integrated segmented LCD driver with charge pump, a 10-bit ADC with up to 17 channels, and multiple serial interfaces (I2C/SPI, EUSART). The 'T' suffix designates a Tape & Reel packaging option for high-volume SMT assembly, while 'I' indicates the industrial -40C to +85C operating temperature range, and 'SO' specifies the 28-pin 7.50 mm wide SOIC package.
The architecture combines a 16-level hardware stack, 49 instructions, and a 31 kHz to 20 MHz internal oscillator that supports PLL operation. Peripherals include multiple 8-bit and 16-bit timers, comparators, a master synchronous serial port (MSSP) configurable as SPI or I2C, and an enhanced universal synchronous/asynchronous receiver/transmitter (EUSART). The integrated LCD driver supports up to 116 segments with variable contrast and a charge pump for low-voltage operation.
Typical applications include battery-powered consumer products such as thermostats and remote controls, industrial metering and sensor front-ends with on-glass LCD readouts, IoT edge nodes that sleep for years on a single cell, white-goods user interfaces, and portable medical monitoring devices. The wide -40C to +85C industrial temperature range and XLP nanoWatt sleep modes below 1 uA make it particularly attractive for always-on, energy-harvesting, or coin-cell powered designs.
When designing with this part, allocate PCB area for the ICSP/ICD programming/debug header because every PIC16LF1906 ships blank and requires Microchip's MPLAB X IDE plus a programmer (PICkit, ICD, or Snap) to load firmware. Plan decoupling: a 100 nF ceramic on VDD close to the pin, plus a bulk 1-10 uF on AVDD, is a safe baseline. Total Flash endurance is rated at 100K erase/write cycles, so reserve EEPROM for frequently-changed parameters.
This page synthesizes distributor pricing (Heisener, LCSC, DigiKey), drop-in package alternatives (28-SOIC), and practical design notes not found in the standalone manufacturer datasheet to help engineers evaluate the PIC16LF1906T-I/SO in days rather than weeks.
Alternatives de remplacement direct pour PIC16LF1906T-I/SO — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec PIC16LF1906T-I/SO (même facteur de forme et même empreinte) — différant par ADC, LCD Driver, Package, Maximum CPU Speed, Core Architecture.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
PIC16LF1906-I/SO
✅ Remplacement direct✓ En stock
$1.55 / unité
Voir la fiche technique →PIC16LF1906-E/SO
✅ Remplacement direct✓ En stock
$1.48 / unité
Voir la fiche technique →PIC16F1906T-I/SO
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
PIC16LF1906T-I/SS
✅ Remplacement direct✓ En stock
$1.21 / unité
Voir la fiche technique →PIC16LF1906T-I/SO Valeurs maximales et caractéristiques électriques
| Core Architecture | 8-bit PIC16 (modified Harvard, RISC) |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| Data SRAM | 512 bytes |
| Data EEPROM | 256 bytes |
| Maximum CPU Speed | 20 MHz (8 MIPS) |
| Supply Voltage (VDD) | 1.8 V to 3.6 V |
| Température de fonctionnement | -40C to +85C (industrial, 'I' suffix) |
| Boîtier | 28-SOIC (7.50 mm / 0.295" body width) |
| ADC | 10-bit, up to 17 channels |
| LCD Driver | Integrated segmented LCD, up to 116 segments |
| Timers | Multiple 8-/16-bit (Timer0, Timer1, Timer2, etc.) |
| Communication Interfaces | EUSART, MSSP (SPI / I2C) |
| Low-Power Technology | nanoWatt XLP (sleep current sub-uA) |
| Instruction Set | 49 instructions, 16-level hardware stack |
| ICSP/ICD Debug | Yes (In-Circuit Serial Programming + debug) |
| Statut RoHS | Compliant |
| Programming Toolchain | MPLAB X IDE, MPLAB XC8 compiler, PICkit/Snap/ICD |
| Packaging Form | Tape & Reel ('T' suffix) |
Configuration des broches de PIC16LF1906T-I/SO
| Broche 1 | RA7 — General-purpose I/O / SOSC / segment driver (per datasheet) |
| Broche 2 | VSS — Ground reference |
| Broche 3 | VDD — Positive supply voltage (1.8 V to 3.6 V) |
| Broche 4 | MCLR — Master Clear (reset) input, active low |
| Broche 5 | RA0 — General-purpose I/O / analog AN0 / segment driver |
| Broche 6 | RA1 — General-purpose I/O / analog AN1 / segment driver |
| Broche 7 | RA2 — General-purpose I/O / analog AN2 / segment driver |
| Broche 8 | RA3 — General-purpose I/O / analog AN3 / segment driver |
| Broche 9 | RA4 — General-purpose I/O / analog AN4 / segment driver |
| Broche 10 | RA5 — General-purpose I/O / analog AN5 / segment driver |
| Broche 11 | RC0 — General-purpose I/O / analog AN16 / segment driver |
| Broche 12 | RC1 — General-purpose I/O / analog AN17 / segment driver |
| Broche 13 | RC2 — General-purpose I/O / segment driver |
| Broche 14 | RC3 — General-purpose I/O / SCL (MSSP I2C) / segment driver |
| Broche 15 | RC4 — General-purpose I/O / SDA (MSSP I2C) / segment driver |
| Broche 16 | RC5 — General-purpose I/O / SDO (MSSP SPI) / segment driver |
| Broche 17 | RC6 — General-purpose I/O / TX (EUSART) / segment driver |
| Broche 18 | RC7 — General-purpose I/O / RX (EUSART) / segment driver |
| Broche 19 | RB0 — General-purpose I/O / interrupt-on-change / segment driver |
| Broche 20 | RB1 — General-purpose I/O / interrupt-on-change / segment driver |
| Broche 21 | RB2 — General-purpose I/O / interrupt-on-change / segment driver |
| Broche 22 | RB3 — General-purpose I/O / interrupt-on-change / segment driver |
| Broche 23 | RB4 — General-purpose I/O / interrupt-on-change / segment driver |
| Broche 24 | RB5 — General-purpose I/O / interrupt-on-change / segment driver |
| Broche 25 | RB6 — General-purpose I/O / ICSPCLK / segment driver |
| Broche 26 | RB7 — General-purpose I/O / ICSPDAT / segment driver |
| Broche 27 | RA6 — General-purpose I/O / OSCO / segment driver |
| Broche 28 | VSS — Ground reference |
Applications typiques
PIC16LF1906T-I/SO convient pour 6 applications: Battery-Powered Thermostat with LCD, Smart Electricity Meter / Sub-Meter, Industrial Sensor Front-End with Display, Remote Control / Home Appliance UI, Portable Medical Monitoring Device, IoT Edge Sensor Node (Coin Cell).
Battery-Powered Thermostat with LCD
The PIC16LF1906T-I/SO is well suited for wall-mount battery thermostats because it integrates a 116-segment segmented LCD driver with charge-pump, eliminating the need for an external LCD controller and saving both BOM cost and PCB area. Its 1.8 V to 3.6 V VDD range lets it run from two AA alkaline cells while the nanoWatt XLP sleep current below 1 uA allows multi-year battery life when the MCU wakes only every few seconds to read temperature and update the display. The 14 KB Flash and 512 byte SRAM comfortably fit a UI state machine plus a weekly scheduling algorithm, while the 10-bit ADC with up to 17 channels directly digitizes NTC thermistor inputs without a front-end amp.
Recommandé
Smart Electricity Meter / Sub-Meter
The PIC16LF1906T-I/SO fits AMI/sub-meter designs where an 8-bit MCU reads a current transformer, computes RMS power, and drives a segmented LCD read-out. The 14 KB Flash stores the energy accumulation algorithm and calibration tables, while the 256-byte EEPROM retains total kWh and tamper counters through power outages. The internal LCD driver supports up to 116 segments to render kWh, voltage, current, and tariff displays on a single glass, and the nanoWatt XLP sleep below 1 uA keeps quiescent draw within IEC 62053-21 standby budgets for line-powered meters.
Recommandé
Industrial Sensor Front-End with Display
For industrial 4-20 mA loop-powered or 24 V field transmitters, the PIC16LF1906T-I/SO provides the LCD UI, the ADC input for the sensor bridge, and the serial interface for HART or RS-485, all on a single chip. The -40C to +85C industrial temperature range covers outdoor and factory-floor deployment without de-rating, and the 20 MHz core delivers the MIPS headroom needed for linearization, PID compensation, and digital filtering of the sensor signal. Compared to a discrete MCU plus LCD controller, this integration reduces the BOM by 1 IC and shrinks the PCB footprint by roughly 30 percent.
Recommandé
Remote Control / Home Appliance UI
The PIC16LF1906T-I/SO is a strong fit for white-goods user-interface panels such as washing-machine, dishwasher, and microwave control boards. Its integrated LCD driver displays time, mode, and status on a custom glass, while its PWM outputs and timers drive buzzer, triac-fired load, and rotary encoder inputs. The 14 KB Flash comfortably holds menu trees and fault diagnostics, and 256 byte EEPROM preserves user preferences (spin cycle, language) across power cycles. Industrial -40C to +85C operation handles kitchen environments where temperature swings are common.
Recommandé
Portable Medical Monitoring Device
Battery-powered portable medical devices such as pulse oximeters, glucose meters, and handheld spirometers benefit from the PIC16LF1906T-I/SO's combination of low 1.8 V operation, sub-uA sleep current, integrated 10-bit ADC for analog sensor front-ends, and integrated LCD driver for the read-out. The wide -40C to +85C range supports both home and clinical environments, and the EUSART plus MSSP interfaces make it straightforward to add a Bluetooth LE module or wired USB-CDC bridge. Total quiescent current under 1 uA in XLP sleep helps medical devices meet IEC 60601-1 battery-life requirements.
Recommandé
IoT Edge Sensor Node (Coin Cell)
The PIC16LF1906T-I/SO is ideal for coin-cell powered IoT edge nodes that sense a parameter every few seconds, transmit briefly, and return to deep sleep. The nanoWatt XLP technology delivers typical sleep currents around 50 nA, so a 220 mAh CR2032 can power a duty-cycled node for 5-10 years. The 1.8 V to 3.6 V supply range matches a single lithium coin cell directly, while the EUSART and MSSP connect to low-power radio modules such as the MRF89XA sub-GHz transceiver. With 14 KB Flash, the firmware can implement a full protocol stack plus local filtering on a low-cost 8-bit core.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour PIC16LF1906T-I/SO — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | PIC16LF1906-I/SO | PIC16LF1906-E/SO | PIC16F1906T-I/SO | PIC16LF1906T-I/SS |
|---|---|---|---|---|---|
| Package | 28-SOIC (7.50mm) | 28-SOIC (7.50mm) - same | 28-SOIC (7.50mm) - same | 28-SOIC (7.50mm) - same | 28-SSOP (5.30mm) - smaller footprint |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 14 KB | 14 KB | 14 KB | 14 KB | 14 KB |
| Data SRAM | 512 bytes | 512 bytes | 512 bytes | 512 bytes | 512 bytes |
| VDD Range | 1.8 V to 3.6 V (LF) | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 5.5 V (F variant) | 1.8 V to 3.6 V |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C | -40C to +125C (extended) | -40C to +85C | -40C to +85C |
| Packaging Form | Tape & Reel (T) | Tray (no T) | Tube (extended grade) | Tape & Reel | Tape & Reel |
Principaux différenciateurs
- Integrated 116-segment LCD driver eliminates external controller IC (vs PIC16LF1906T-I/SS)
- Industrial -40C to +85C rating covers most commercial and field deployments (vs PIC16LF1906-E/SO)
- NanoWatt XLP sleep current below 1 uA enables multi-year coin-cell operation (vs PIC16F1906T-I/SO)
Notes de conception
Place a 100 nF X7R decoupling capacitor as close as physically possible to the VDD pin (pin 3) of the PIC16LF1906T-I/SO, with a 1 uF to 10 uF bulk cap on the same node. For battery designs running from a single CR2032, also place a 100 nF cap on AVDD if the ADC is used, since any ripple on the analog supply directly couples into the ADC's last 2-3 LSBs. The XLP nanoWatt sleep current is specified with both VDD and AVDD stable - a missing bulk cap can keep the device in a higher-current mid-power state.
Every PIC16LF1906 ships from the factory with Flash erased and configuration bits blank. A PIC16LF1906T-I/SO will not boot into application code until the configuration words (oscillator selection, watchdog, code protection, brown-out voltage) are programmed and the application Flash is loaded via ICSP using MPLAB X IDE plus a PICkit, MPLAB Snap, or ICD programmer. Plan a 2x5 or 1x6 header on the PCB for ICSP access - leaving it out forces rework on every engineering build.
Keep the LCD glass connector traces short and guarded by a ground ring on the same side, since the segmented LCD driver pins are multiplexed at low frequency and pick up noise easily. Route the SOSC crystal traces (if used instead of the internal oscillator) symmetrically, length-matched, and surrounded by ground copper to keep them below 10 pF of stray capacitance. Avoid routing digital switching signals parallel to the LCD segment traces - cross only at 90 degrees if needed.
Informations de conformité
RoHS and REACH compliance per Microchip product page; the part is lead-free and halogen-free. PIC16LF1906T-I/SO is not AEC-Q100 qualified - for automotive designs, contact Microchip about AEC-Q100 grade variants in the PIC16F1906 family.
