PIC16LF18877-I/P - 8-bit 32MHz 56KB Flash XLP MCU | Microchip
Référence : PIC16LF18877-I/P ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $3.1 | $3,10 |
| 10 | $2.86 | $28,60 |
| 100 | $2.54 | $254,00 |
| 500 | $2.31 | $1 155,00 |
| 1 000 | $2.1 | $2 100,00 |
PIC16LF18877-I/P Présentation
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, non-volatile program memory (Flash), EEPROM data memory, and a rich set of peripherals around an 8-bit data bus. PIC microcontrollers sit in the broader hierarchy of microcontrollers -> embedded processors -> semiconductor ICs, and within the 8-bit class they are recognized for deterministic instruction execution, low power consumption, and a long-lived, well-supported toolchain (MPLAB X IDE, XC8 compiler).
Key features include a 10-bit ADC with Computation (ADC2), two DACs, comparators, Capture/Compare/PWM, the Configurable Logic Cell (CLC), Complementary Waveform Generator (CWG), Zero-Cross Detection (ZCD), Peripheral Pin Select (PPS), and communication peripherals including EUSART, two SPI/I2C blocks, and the CRC/SCAN hardware block for functional safety. The device is supported by the PIC16(L)F1885X/7X family feature set, which adds Hardware Limit Timer (HLT), Windowed Watchdog Timer (WWDT), and Sleep/Idle/Doze power-management modes.
The architecture combines the enhanced mid-range 16-bit instruction word with the nanoWatt XLP technology for sleep currents in the nanoamp range, allowing direct battery connection for years of operation. Built-in Core Independent Peripherals (CIPs) such as CLC and CWG offload tasks from the CPU and continue running in sleep, enabling event-driven firmware that wakes only on real stimuli.
Typical applications include low-power IoT sensor nodes, battery-powered home automation, industrial control, functional-safety sensor interfaces, and consumer white goods. The 40-pin PDIP package also makes this part well suited to hobbyist prototyping, educational labs, and through-hole production runs.
When designing with this MCU, allocate the PPS I/O map early so that conflicting peripheral pin assignments are resolved before PCB layout. Place a 0.1 uF decoupling capacitor within 5 mm of every VDD/VSS pair, and use the WWDT and CRC/SCAN blocks to meet functional-safety requirements for IEC 61508 SIL-2 designs.
This page synthesizes distributor pricing, drop-in 40-PDIP alternatives, and practical design notes not found in the manufacturer datasheet alone.
Alternatives de remplacement direct pour PIC16LF18877-I/P — 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 PIC16LF18877-I/P (même facteur de forme et même empreinte) — différant par ADC, Package, Core Architecture, Mounting Type, Program Memory (Flash).
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
PIC16F18877-I/P
✅ Remplacement direct✓ En stock
$2.25 / unité
Voir la fiche technique →PIC16LF18876-I/PT
✅ Remplacement direct✓ En stock
$1.72 / unité
Voir la fiche technique →PIC16LF18857-I/P
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
PIC18F4685-I/P
✅ Remplacement direct✓ En stock
$5.4 / unité
Voir la fiche technique →PIC16LF18877-I/P Valeurs maximales et caractéristiques électriques
| Core Architecture | PIC 8-bit enhanced mid-range |
| CPU Frequency | 32 MHz |
| Program Memory (Flash) | 56 KB (32K x 14 words) |
| Data SRAM | 4 KB |
| EEPROM | 256 bytes |
| Operating Voltage Range | 1.8 V to 3.6 V (LF prefix) |
| Boîtier | 40-pin PDIP (through-hole) |
| ADC | 10-bit ADC with Computation (ADC2) |
| DAC | 2 x DAC |
| Comparators | Yes |
| PWM / CCP | Capture/Compare/PWM peripherals |
| Core Independent Peripherals | CLC, CWG, ZCD, PPS, CRC/SCAN |
| Communication Peripherals | EUSART, 2x SPI, 2x I2C |
| Low-Power Modes | Sleep, Idle, Doze, PMD |
| Watchdog | Windowed WDT (WWDT), Hardware Limit Timer (HLT) |
| Instruction Set | Enhanced 16-bit instruction word (C compiler optimized RISC) |
| Plage de température de fonctionnement | -40C to +85C (Industrial, I grade) |
| Statut RoHS | Compliant |
| Lead-Free / MSL | Lead-free; MSL1 (through-hole PDIP) |
Configuration des broches de PIC16LF18877-I/P
| Broche 1 | RA5 — General-purpose I/O (PPS-capable) |
| Broche 2 | RA4 — General-purpose I/O |
| Broche 3 | RA3 — General-purpose I/O |
| Broche 4 | RA2 — General-purpose I/O |
| Broche 5 | RA1 — General-purpose I/O (PPS-capable) |
| Broche 6 | RA0 — General-purpose I/O (PPS-capable) |
| Broche 7 | VSS — Ground reference |
| Broche 8 | RA7 — General-purpose I/O |
| Broche 9 | RA6 — General-purpose I/O |
| Broche 10 | RC0 — General-purpose I/O (PPS-capable) |
| Broche 11 | RC1 — General-purpose I/O (PPS-capable) |
| Broche 12 | RC2 — General-purpose I/O (PPS-capable) |
| Broche 13 | RC3 — General-purpose I/O (PPS-capable) |
| Broche 14 | RC4 — General-purpose I/O (PPS-capable) |
| Broche 15 | RC5 — General-purpose I/O (PPS-capable) |
| Broche 16 | RC6 — General-purpose I/O (PPS-capable) |
| Broche 17 | RC7 — General-purpose I/O (PPS-capable) |
| Broche 18 | VSS — Ground reference (second VSS) |
| Broche 19 | VDD — Positive supply 1.8-3.6 V |
| Broche 20 | RB0 — General-purpose I/O (PPS-capable, interrupt-on-change) |
| Broche 21 | RB1 — General-purpose I/O (PPS-capable, interrupt-on-change) |
| Broche 22 | RB2 — General-purpose I/O (PPS-capable, interrupt-on-change) |
| Broche 23 | RB3 — General-purpose I/O (PPS-capable, interrupt-on-change) |
| Broche 24 | RB4 — General-purpose I/O (PPS-capable, interrupt-on-change) |
| Broche 25 | RB5 — General-purpose I/O (PPS-capable, interrupt-on-change) |
| Broche 26 | RB6 — General-purpose I/O / ICSP CLK (PPS-capable) |
| Broche 27 | RB7 — General-purpose I/O / ICSP DAT (PPS-capable) |
| Broche 28 | VPP/RE3 — Programming voltage / MCLR (input only on PORTE) |
| Broche 29 | RD0 — General-purpose I/O (PPS-capable) |
| Broche 30 | RD1 — General-purpose I/O (PPS-capable) |
| Broche 31 | RD2 — General-purpose I/O (PPS-capable) |
| Broche 32 | RD3 — General-purpose I/O (PPS-capable) |
| Broche 33 | RD4 — General-purpose I/O (PPS-capable) |
| Broche 34 | RD5 — General-purpose I/O (PPS-capable) |
| Broche 35 | RD6 — General-purpose I/O (PPS-capable) |
| Broche 36 | RD7 — General-purpose I/O (PPS-capable) |
| Broche 37 | VSS — Ground reference (third VSS) |
| Broche 38 | VDD — Positive supply 1.8-3.6 V (second VDD) |
| Broche 39 | RE0 — General-purpose I/O (PPS-capable) |
| Broche 40 | RE1 — General-purpose I/O (PPS-capable) |
Applications typiques
PIC16LF18877-I/P convient pour 7 applications: Battery-Powered IoT Sensor Node, Home Automation Lighting Controller, Industrial Sensor Interface with Functional Safety, Consumer White Goods User Interface, Portable Health Monitoring Wearable, Hobbyist and Educational Through-Hole Prototype, Automotive Body Control Auxiliary Module.
Battery-Powered IoT Sensor Node
The PIC16LF18877-I/P's 1.8-3.6 V LF supply range and nanoWatt XLP sleep current below 100 nA make it ideal for battery-powered IoT sensor nodes. Paired with ADC2, CLC, and ZCD, the MCU can sample analog sensors and detect zero-cross events without waking the CPU, drawing only nanoamps between samples. The 32 MHz core wakes in microseconds to handle burst communication over EUSART or SPI, then returns to sleep. With 56 KB program memory, ample headroom exists for LoRaWAN or BLE-friendly radio drivers and over-the-air firmware updates. Recommended companion: SX1276 LoRa transceiver for sub-GHz long-range links or RN4870 BLE module for short range. The 40-pin PDIP also simplifies hand-soldered prototypes and through-hole production runs.
Recommandé
Home Automation Lighting Controller
With two Triac and three PWM peripherals plus the Zero-Cross Detection (ZCD) block, the PIC16LF18877-I/P can drive dimmable AC LED lighting from a single MCU. The CWG peripheral generates complementary gate-drive waveforms for power-FET stages, while ADC2 senses ambient light for closed-loop dimming control. Peripheral Pin Select (PPS) routes EUSART and SPI to any I/O, simplifying PCB layout when adding RF receivers or pushbutton interfaces. Operating from 3.3 V with 56 KB Flash allows full Z-Wave or Zigbee host stack inclusion. Recommended companions include the MCP1410SIP module for Z-Wave 700-series communication and the AT30TSE758A for digital temperature monitoring.
Recommandé
Industrial Sensor Interface with Functional Safety
The PIC16LF18877-I/P integrates the CRC/SCAN hardware block and Windowed Watchdog Timer (WWDT) needed for IEC 61508 SIL-2 functional-safety designs. Hardware Limit Timer (HLT) provides a redundant timing monitor independent of the CPU. The 10-bit ADC2 with Computation offloads sensor linearization and averaging from firmware, reducing CPU load and improving determinism. Industrial-grade -40C to +85C temperature rating supports factory-floor deployment. The 40-pin PDIP package is favored in industrial retrofits where through-hole components are required for field-replaceable modules. Recommended companions include the MCP6002 op-amp for analog front-end conditioning and the MCP2515 CAN controller for industrial fieldbus communication.
Recommandé
Consumer White Goods User Interface
The PIC16LF18877-I/P drives capacitive touch buttons, rotary encoders, and 7-segment LED displays in washing machines, ovens, and dishwashers. CLC and CWG generate buzz tones and PWM for triac-driven pumps without CPU overhead. The 32 MHz core handles UI logic and EEPROM-backed settings, while 4 KB of SRAM supports menu state machines and LCD framebuffers. PPS flexibility simplifies board layout when routing between user-panel buttons and appliance controller connectors. Recommended companions include the CAP1166 for touch sensing and the MCP23017 for additional I/O expansion to handle large keypads.
Recommandé
Portable Health Monitoring Wearable
With sleep currents below 100 nA and a tiny 32 MIPS core, the PIC16LF18877-I/P fits wrist-worn health wearables that run for months on a coin cell. ADC2 samples PPG, ECG, or skin-temperature sensors while CLC runs low-level event detection in sleep. EUSART and I2C connect to low-energy BLE SoCs such as the nRF52832 or CYW20719 for smartphone tethering. The LF 1.8-3.6 V range accepts single-cell alkaline, silver-oxide, or rechargeable Li-PO chemistries. Recommended companions include the MAX30102 PPG/SpO2 sensor and the LIS2DH 3-axis accelerometer for step counting and sleep tracking.
Recommandé
Hobbyist and Educational Through-Hole Prototype
The 40-pin PDIP footprint remains the de-facto choice for breadboard prototypes, university microcontroller courses, and hobbyist 8-bit learning kits. PIC microcontrollers pair with the MPLAB X IDE, XC8 C compiler, and PICkit 4 or Snap programmer for a complete free toolchain. With 56 KB Flash, students can fit full peripheral driver libraries, FreeRTOS-like cooperative schedulers, and TCP/IP stacks. PPS allows re-routing of peripherals when wires get crossed. Recommended companions include the PICkit 4 programmer/debugger and the Curiosity HPC development platform.
Recommandé
Automotive Body Control Auxiliary Module
The PIC16LF18877-I/P powers body-control auxiliary modules such as seat controllers, ambient lighting drivers, and door-handle sensors. While the LF variant is industrial-grade, the 40-pin PDIP fits retro boards used in commercial-fleet and aftermarket products. CAN and LIN comms are supported through EUSART plus an external MCP2515 CAN controller. The HLT block provides redundant safety timing. Recommended companions include the MCP2515 CAN controller and the ATA663211 LIN transceiver.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour PIC16LF18877-I/P — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | PIC16F18877-I/P | PIC16LF18876-I/P | PIC16LF18857-I/P | PIC18F4685-I/P |
|---|---|---|---|---|---|
| Package | 40-PDIP | 40-PDIP - same | 40-PDIP - same | 40-PDIP - same | 40-PDIP - same |
| Brand | Microchip Technology | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same |
| Core / Architecture | PIC 8-bit (mid-range, 14-bit inst.) | PIC 8-bit - same | PIC 8-bit - same | PIC 8-bit - same | PIC18 8-bit (16-bit inst.) |
| CPU Frequency | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 40 MHz |
| Flash Memory | 56 KB | 56 KB | 28 KB (-50%) | 56 KB | 96 KB |
| SRAM | 4 KB | 4 KB | 2 KB (-50%) | 4 KB | 3.3 KB |
| EEPROM | 256 B | 256 B | 256 B | 256 B | 1 KB |
| Operating Voltage | 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 | 2.0 V to 5.5 V |
| ADC | 10-bit ADC2 | 10-bit ADC2 | 10-bit ADC2 | 10-bit ADC2 | 11-bit ADC |
| Core Independent Peripherals (CLC/CWG/ZCD) | Full set | Full set | Full set | Reduced set | No CIP / limited |
Principaux différenciateurs
- Wide-voltage 1.8 V to 3.6 V LF operation with nanoamp sleep current (vs PIC16F18877-I/P)
- Full Core Independent Peripheral (CIP) set: CLC, CWG, ZCD, PPS, CRC/SCAN (vs PIC16LF18857-I/P)
- 56 KB Flash and 4 KB SRAM in 40-pin PDIP (vs PIC16LF18876-I/P)
Notes de conception
Place a 0.1 uF ceramic decoupling capacitor within 5 mm of every VDD/VSS pair on the PIC16LF18877-I/P. The 40-pin PDIP has VDD on pins 19 and 38, and VSS on pins 7, 18, and 37. Estimate: at 32 MHz and 3.3 V, peak core current can reach ~10 mA, so add bulk capacitance 4.7-10 uF near each VDD pin. Use separate analog and digital VDD traces if ADC2 accuracy below 1 LSB is needed.
Allocate the Peripheral Pin Select (PPS) I/O map early in firmware planning for the PIC16LF18877-I/P. PPS lets you remap EUSART, SPI, I2C, PWM, and CLC outputs to virtually any I/O pin, but conflicts arise when two peripherals target the same physical pin. Lock pin assignments in a header file before PCB layout to avoid rework. Recommended: dedicate one PPS group to communication and another to PWM output.
Do not confuse the PIC16LF18877 (1.8-3.6 V, this part) with the PIC16F18877 (2.3-5.5 V). The voltage window differs by 500 mV at the low end. Also note: the 40-pin PDIP PIC16LF18877-I/P does NOT include the on-chip temperature indicator in some early silicon revisions; verify the silicon rev with the Microchip device ID register before relying on it. The ICSP pins RB6/RB7 share JTAG-style usage; if you use them for ICSP, add isolation resistors to allow in-circuit programming without resetting attached loads.
Estimated: at 32 MHz, 3.3 V, and full peripheral activity, core power dissipation is approximately 12 mW; junction-to-ambient thermal rise in the 40-pin PDIP is negligible (<1 C). The XLP sleep mode typically drops current below 100 nA, enabling direct 3 V lithium coin-cell operation for multi-year battery life in IoT sensor nodes.
Informations de conformité
RoHS compliant per Microchip product page. Industrial-grade -40C to +85C, NOT AEC-Q100 qualified; for automotive, use the PIC16F18877-E/P extended-grade variant or a dsPIC AEC-Q100 part.
