PIC16LF88-I/SO - 8-bit 10MHz 7KB Flash MCU 18-SOIC | Microchip
Référence : PIC16LF88-I/SO ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $4.65 | $4,65 |
| 10 | $4.18 | $41,80 |
| 100 | $3.74 | $374,00 |
| 500 | $3.39 | $1 695,00 |
| 1 000 | $3.05 | $3 050,00 |
PIC16LF88-I/SO Présentation
A PIC16 microcontroller is an 8-bit RISC-based Harvard-architecture MCU from Microchip, belonging to the mid-range PIC16 family that sits between the baseline PIC10/12/16/17 families and the high-performance PIC18 family. PIC16F devices form one of the most broadly adopted 8-bit MCU families in industry and sit within the broader product hierarchy: 8-bit microcontroller -> RISC MCU -> embedded microcontroller -> semiconductor. They use a modified Harvard core with single-cycle instructions and are supported by a mature MPLAB X IDE toolchain plus MPLAB XC8 C compiler and PicKit/ICD programmers, with hundreds of free application notes and reference designs.
Key features of the PIC16LF88 include an internal 8 MHz RC oscillator (calibrated to within 1 percent), a 10-bit ADC with up to 7 channels, two 8-bit timers plus one 16-bit timer, a USART with RS-485 support, an SSP module for SPI/I2C master-slave operation, nanoWatt technology for low-power Sleep (typically under 1 uA), and 16 bidirectional digital I/O pins multiplexed with peripheral functions. The device also includes a Capture/Compare/PWM (CCP) module plus an Enhanced CCP (ECCP) module, an analog comparator with programmable reference, and an ICD (In-Circuit Debugger) port.
The device employs a 14-bit instruction word with 35 single-word instructions, most executing in a single instruction cycle (200 ns at 10 MHz). Its enhanced flash memory supports self-programming under firmware control, enabling bootloader designs and field-updateable products without external programmers. The wide 2.0-5.5 V supply range and nanoWatt power management make it suited to battery-powered sensor nodes that must sleep for long intervals between wake events.
Typical applications include industrial sensor nodes, HVAC controllers, low-power remote battery telemetry, motor control signal conditioning, and consumer appliances. The wide VDD range lets a single part number span both 3.3 V sensor ASICs and 5 V legacy logic, reducing BOM complexity for multi-rail designs.
When designing with the PIC16LF88, remember that the LF grade is specified for -40C to +85C, not -40C to +125C; for automotive AEC-Q100 or extended-temperature use, choose PIC16F88-I/SO (industrial) or migrate to the PIC16F1 enhanced mid-range family. Decoupling must follow Microchip's recommendation of a 0.1 uF ceramic capacitor placed within 5 mm of the VDD pin with a short trace to ground.
This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical design notes that go beyond the manufacturer datasheet, including the canonical cross-reference to PIC16F88-I/SO and the LF-grade VDD limits.
Alternatives de remplacement direct pour PIC16LF88-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 PIC16LF88-I/SO (même facteur de forme et même empreinte) — différant par Package, Operating Temperature, Internal Oscillator, ADC, Timers.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
PIC16F88-I/SO
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
PIC16F88-I/P
✅ Remplacement direct✓ En stock
$2.61 / unité
Voir la fiche technique →PIC16F88T-I/SO
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
PIC16F88-E/SO
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$3.05 / unité
Voir la fiche technique →PIC16LF88-I/P
✅ Remplacement direct✓ En stock
$2.41 / unité
Voir la fiche technique →PIC16LF88-I/SO Valeurs maximales et caractéristiques électriques
| Core Architecture | PIC 8-bit RISC (Harvard) |
| Instruction Set | 35 single-word instructions, 14-bit word |
| Program Memory (Flash) | 7 KB (4K x 14 words) |
| Data SRAM | 368 bytes |
| Data EEPROM | 256 bytes |
| Maximum CPU Speed | 10 MHz (10 MIPS) |
| Instruction Cycle | 200 ns at 10 MHz |
| Supply Voltage (VDD) | 2.0 V to 5.5 V |
| Digital I/O Pins | 16 bidirectional |
| ADC | 10-bit, up to 7 channels |
| Timers | 2 x 8-bit + 1 x 16-bit |
| Communication | USART (RS-485), SSP (SPI/I2C) |
| PWM Modules | 1 x CCP + 1 x ECCP |
| Internal Oscillator | 8 MHz RC, 1% calibrated |
| Température de fonctionnement | -40C to +85C (Industrial) |
| Boîtier | 18-pin SOIC (SO) |
| Type de montage | Surface Mount |
| Niveau MSL | 1 (unlimited) |
| Statut RoHS | Compliant |
| Low-Power Technology | nanoWatt Sleep <1 uA typical |
Configuration des broches de PIC16LF88-I/SO
| Broche 1 | RA2/AN2/CVREF/VREF- — PORTA bit 2 / ADC ch2 / comparator Vref |
| Broche 2 | RA3/AN3/VREF+ — PORTA bit 3 / ADC ch3 / Vref+ |
| Broche 3 | RA4/AN4/T0CKI/C1OUT — PORTA bit 4 / ADC ch4 / Timer0 clock / comparator out |
| Broche 4 | RA5/MCLR/VPP — PORTA bit 5 / Master Clear (reset) / programming Vpp |
| Broche 5 | VSS — Ground reference |
| Broche 6 | RB0/INT/CCP1 — PORTB bit 0 / external interrupt / CCP1 PWM |
| Broche 7 | RB1/SDI/SDA — PORTB bit 1 / SPI data in / I2C data |
| Broche 8 | RB2/SDO — PORTB bit 2 / SPI data out |
| Broche 9 | RB3/SCK/SCL — PORTB bit 3 / SPI clock / I2C clock |
| Broche 10 | RB4/PGM — PORTB bit 4 / LVP programming |
| Broche 11 | RB5/PGM — PORTB bit 5 / LVP programming |
| Broche 12 | RB6/PGC — PORTB bit 6 / ICD clock |
| Broche 13 | RB7/PGD — PORTB bit 7 / ICD data |
| Broche 14 | VDD — Positive supply (2.0-5.5 V) |
| Broche 15 | OSC1/CLKI/RA7 — Crystal input / external clock / PORTA bit 7 |
| Broche 16 | OSC2/CLKO/RA6 — Crystal output / clock out / PORTA bit 6 |
| Broche 17 | RC0/T1OSO/T1CKI — PORTC bit 0 / Timer1 oscillator out / clock in |
| Broche 18 | RC1/T1OSI/CCP2 — PORTC bit 1 / Timer1 oscillator in / CCP2 |
Applications typiques
PIC16LF88-I/SO convient pour 6 applications: Industrial Sensor Node, HVAC Controller, Battery-Powered Remote Telemetry, Motor Control Signal Conditioning, Consumer Appliance Control Board, Automotive Body Electronics (Non-Safety).
Industrial Sensor Node
The PIC16LF88-I/SO suits industrial 4-20 mA sensor nodes thanks to its 10-bit ADC with up to 7 channels and 2.0-5.5 V VDD range that accepts both 3.3 V sensor ASICs and 5 V loop power. Its nanoWatt Sleep current under 1 uA extends battery life in remote installations where duty-cycled wake-and-measure cycles dominate. Place a 0.1 uF decoupling capacitor within 5 mm of the VDD pin and route ADC inputs with a guard ring to minimize digital switching noise coupling into measurement results. Source: Microchip PIC16F88/LF88 datasheet 30487D and TB087 sensor signal-conditioning application note.
Recommandé
HVAC Controller
In HVAC thermostats and damper actuators, the PIC16LF88-I/SO's 16 digital I/O, 10-bit ADC, and USART with RS-485 support enable multi-zone temperature monitoring and Modbus communication. The 7 KB Flash accommodates lookup-table-based PID control loops plus a menu-driven user interface, while the ECCP module drives TRIAC phase-angle control for line-voltage heater elements. Operate from 24 VAC rectified to 5 VDC; add an MCLR pull-up and use the internal 8 MHz oscillator to minimize external components. Source: Microchip AN958 HVAC control application note.
Recommandé
Battery-Powered Remote Telemetry
The PIC16LF88-I/SO is ideal for battery-powered remote telemetry units that sleep for minutes between transmissions, drawing under 1 uA in nanoWatt Sleep and waking via interrupt to perform a measurement and transmit. The wide 2.0-5.5 V VDD accepts 2x AA cells (3.0 V nominal) down to 2.0 V end-of-life without regulator loss. Use Sleep mode with WDT wake-up for sub-100 uA average current on a duty-cycled transmit schedule. The internal 8 MHz calibrated oscillator eliminates an external crystal, reducing quiescent drain. Source: Microchip PIC16F88/LF88 nanoWatt technology section.
Recommandé
Motor Control Signal Conditioning
In low-power BLDC or stepper motor signal conditioning front-ends, the PIC16LF88-I/SO provides 10-bit ADC sampling for back-EMF zero-cross detection, ECCP PWM generation for reference waveforms, and USART communication to a master controller. The 10 MHz CPU executes zero-cross interrupts and commutation logic with sufficient headroom for closed-loop speed control firmware. Add an external gate driver IC between the MCU and the MOSFET half-bridges since the PIC16LF88 I/O cannot directly drive motor-phase FETs. Source: Microchip AN1078 sensorless BLDC control.
Recommandé
Consumer Appliance Control Board
The PIC16LF88-I/SO serves as the main controller in consumer appliances such as coffee makers, washing machines, and small kitchen devices, where its 7 KB Flash holds user-interface state machines plus the safety logic. The 16 I/O multiplex with the integrated ADC to read keypads and sensor inputs while driving LED indicators and TRIAC-controlled heaters via the ECCP module. Operate from 5 V derived from the mains via a capacitive dropper; ensure galvanic isolation on the mains side. Source: Microchip AN1229 appliance design guide.
Recommandé
Automotive Body Electronics (Non-Safety)
For non-safety automotive body electronics such as interior lighting controllers, seat-position memory modules, or accessory multiplexers, the PIC16LF88-I/SO handles LIN-bus-style communication via its USART plus PWM-driven LED or motor outputs. Note that the LF88's -40C to +85C industrial range excludes under-hood applications; the AEC-Q100-qualified PIC16F88-E/SO (extended temperature grade) is required for engine-bay use. Source: Microchip automotive product qualification guidelines.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour PIC16LF88-I/SO — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | PIC16F88-I/SO | PIC16F88-I/P | PIC16F88T-I/SO | PIC16F88-E/SO | PIC16LF88-I/P |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 18-SOIC | 18-SOIC - same | 18-PDIP (through-hole, same pinout) | 18-SOIC - same | 18-SOIC - same | 18-PDIP (through-hole, same pinout) |
| VDD Range | 2.0 V to 5.5 V | 4.0 V to 5.5 V | 4.0 V to 5.5 V | 4.0 V to 5.5 V | 4.0 V to 5.5 V | 2.0 V to 5.5 V |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +125C (extended) | -40C to +85C |
| Flash / RAM / EEPROM | 7 KB / 368 B / 256 B | 7 KB / 368 B / 256 B | 7 KB / 368 B / 256 B | 7 KB / 368 B / 256 B | 7 KB / 368 B / 256 B | 7 KB / 368 B / 256 B |
| CPU Speed | 10 MHz / 10 MIPS | 10 MHz / 10 MIPS | 10 MHz / 10 MIPS | 10 MHz / 10 MIPS | 10 MHz / 10 MIPS | 10 MHz / 10 MIPS |
| ADC | 10-bit, 7 ch | 10-bit, 7 ch | 10-bit, 7 ch | 10-bit, 7 ch | 10-bit, 7 ch | 10-bit, 7 ch |
| Mounting Type | Surface Mount | Surface Mount | Through-hole (PDIP) | Surface Mount (T&R) | Surface Mount | Through-hole (PDIP) |
Principaux différenciateurs
- Wide 2.0-5.5 V VDD range (vs PIC16F88-I/SO)
- Same SOIC-18 footprint as the F88 family (vs PIC16F88T-I/SO)
- Industrial -40C to +85C qualification (vs PIC16F88-E/SO (extended temp))
Notes de conception
Place a 0.1 uF ceramic decoupling capacitor within 5 mm of the VDD pin (pin 14) with a short, wide trace to the VSS pin (pin 5). For designs operating across the full 2.0-5.5 V range, add a 10 uF bulk capacitor at the MCU power input to suppress transient drops when the ADC and USART peripherals switch simultaneously. The nanoWatt Sleep mode reduces current to under 1 uA but wake-up events still cause a brief current spike of several mA. Source: Microchip PIC16F88/LF88 datasheet section on power-supply design.
Route the MCLR/RA5/VPP pin (pin 4) with a 10 kohm pull-up resistor to VDD for normal operation; direct connection to VDD disables the reset function. For In-Circuit Serial Programming (ICSP), bring out the PGC (pin 12), PGD (pin 13), and VPP/MCLR (pin 4) signals to an ICSP header footprint even if not populated, enabling field firmware updates without rework. Keep the ICSP traces short and away from switching power or high-current traces to avoid programming errors.
Do not assume the PIC16F88 and PIC16LF88 share the same minimum VDD: the standard F88 requires 4.0 V minimum while the LF88 operates down to 2.0 V. Designing at 3.3 V with the F88 will cause brown-out resets or unreliable flash programming. Also note that the LF88's -40C to +85C industrial grade excludes under-hood automotive use; for AEC-Q100 or extended-temperature environments, migrate to the PIC16F88-E/SO (extended grade) or the PIC16F1 enhanced mid-range family. Source: Microchip PIC16F88/LF88 datasheet ordering information.
Keep the analog inputs (RA0-RA5 / AN0-AN4) physically separated from digital switching traces and the USART lines to minimize ADC noise coupling. Use a ground guard ring around the ADC input pins and connect the analog ground and digital ground at a single point near the VSS pin. The internal 8 MHz oscillator is calibrated to within 1 percent at 25C but can shift up to 2 percent across the full -40C to +85C range; for UART baud-rate-sensitive links, verify timing across temperature or switch to an external crystal.
Informations de conformité
RoHS and lead-free compliant per Microchip product page. Not AEC-Q100 qualified - for automotive applications requiring AEC-Q100, migrate to PIC16F88-E/SO extended-temp variant or PIC16F1 enhanced mid-range family.