PIC16LC717T/SO - 8-bit MCU 3.5KB OTP 18-SOIC | Microchip
Référence : PIC16LC717T/SO ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $1.92 | $1,92 |
| 10 | $1.73 | $17,30 |
| 100 | $1.54 | $154,00 |
| 500 | $1.39 | $695,00 |
| 1 000 | $1.24 | $1 240,00 |
PIC16LC717T/SO Présentation
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, volatile data RAM, and a configurable set of peripheral modules. PIC microcontrollers from Microchip belong to the 8-bit RISC family, where the term RISC (Reduced Instruction Set Computer) describes an architecture that uses a small, orthogonal instruction set to enable deterministic single-cycle execution. Within Microchip's taxonomy, PIC16 devices sit between the baseline PIC10/12/16 small-pin parts and the PIC18 mid-range family, offering a balance of analog integration and I/O for cost-sensitive embedded designs.
Key features include the brown-out reset (BOR) circuit, power-on reset (POR), a programmable watchdog timer with its own on-chip RC oscillator, and In-Circuit Serial Programming (ICSP) through the PGD/PGC pins. The ADC supports up to 6 analog input channels, and the two comparators can be combined with a programmable voltage reference for sensor-conditioning front ends. The device offers typical and extended temperature grades, low-power SLEEP mode with wake-up-on-pin-change, and direct LED drive capability on most I/O pins.
Typical applications include consumer appliances, automotive subsystems, industrial sensors, and battery-powered handheld instruments where analog sensing, serial communication, and low-cost digital control are required. The 18-SOIC footprint is hand-solderable and compatible with standard 300-mil SOIC prototyping boards. Design considerations include ensuring the MCLR pin has a proper pull-up, observing the in-circuit programming timing specifications, and providing adequate decoupling near both VDD pins.
Alternatives de remplacement direct pour PIC16LC717T/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 PIC16LC717T/SO (même facteur de forme et même empreinte) — différant par Package, ADC, Core Architecture, Timers, Program Memory Size.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
PIC16LC717-I/SO
✅ Remplacement direct✓ En stock
$2.85 / unité
Voir la fiche technique →PIC16LC717-E/SO
✅ Remplacement direct✓ En stock
$1.94 / unité
Voir la fiche technique →PIC16C717T/SO
✅ Remplacement direct✓ En stock
$1.86 / unité
Voir la fiche technique →PIC16C717-I/SO
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$2.28 / unité
Voir la fiche technique →PIC16LC717T-I/SS
✅ Remplacement direct✓ En stock
$3.32 / unité
Voir la fiche technique →PIC16LC717-E/SS
✅ Remplacement direct✓ En stock
$4.1 / unité
Voir la fiche technique →PIC16LC717T/SO Valeurs maximales et caractéristiques électriques
| Core Architecture | PIC 8-bit RISC |
| Program Memory Type | OTP |
| Program Memory Size | 3.5 KB (2K x 14) |
| RAM Size | 256 bytes |
| EEPROM Data Memory | None (no on-chip EEPROM) |
| Maximum CPU Speed | 20 MHz |
| Instruction Cycle Time | 200 ns (at 20 MHz) |
| I/O Pins | 16 |
| Supply Voltage Range | 2.5 V to 5.5 V |
| ADC | 10-bit, up to 6 channels |
| Analog Comparators | 2 |
| Timers | 1x 16-bit + 1x 8-bit Timer/Counter |
| Communication Peripherals | USART |
| Boîtier | 18-pin SOIC (SO, 300-mil) |
| Type de montage | Surface Mount |
| Plage de température de fonctionnement | 0C to +70C (T suffix, commercial grade) |
| Watchdog Timer | Yes (independent on-chip RC) |
| In-Circuit Programming | ICSP via PGD/PGC |
| Statut RoHS | Compliant |
Configuration des broches de PIC16LC717T/SO
| Broche 1 | RA0/AN0 — Digital I/O / Analog input channel 0 |
| Broche 2 | RA1/AN1 — Digital I/O / Analog input channel 1 |
| Broche 3 | RA2/AN2/VREF- — Digital I/O / Analog input channel 2 / ADC negative reference |
| Broche 4 | RA3/AN3/VREF+ — Digital I/O / Analog input channel 3 / ADC positive reference |
| Broche 5 | RA4/T0CKI — Digital I/O / Timer0 clock input |
| Broche 6 | RA5/SS/AN4 — Digital I/O / SPI slave select / Analog input channel 4 |
| Broche 7 | OSC1/CLKIN — Crystal oscillator input / external clock input |
| Broche 8 | OSC2/CLKOUT — Crystal oscillator output / clock output |
| Broche 9 | VSS — Ground |
| Broche 10 | VDD — Positive supply voltage |
| Broche 11 | RC0/T1OSO/T1CKI — Digital I/O / Timer1 oscillator output / Timer1 clock input |
| Broche 12 | RC1/T1OSI/CCP2 — Digital I/O / Timer1 oscillator input / CCP2 PWM output |
| Broche 13 | RC2/CCP1 — Digital I/O / CCP1 PWM output |
| Broche 14 | RC3/SCK/SCL — Digital I/O / SPI clock / I2C clock |
| Broche 15 | RC4/SDI/SDA — Digital I/O / SPI data in / I2C data |
| Broche 16 | RC5/SDO — Digital I/O / SPI data out |
| Broche 17 | RC6/TX/CK — Digital I/O / USART TX / USART clock |
| Broche 18 | RC7/RX/DT — Digital I/O / USART RX / USART data |
Applications typiques
PIC16LC717T/SO convient pour 6 applications: Consumer Appliance Control, Automotive Body Electronics, Industrial Sensor Interfaces, Battery-Powered Handheld Instruments, LED Lighting Control, Security and Access Control Panels.
Consumer Appliance Control
The PIC16LC717T/SO's 3.5 KB OTP, 16 I/O lines, and integrated 10-bit ADC make it well suited for consumer appliance control boards such as coffee makers, rice cookers, washing machines, and microwave ovens. The MCU reads sensor inputs (temperature, water level, motor current) through the ADC and comparators, drives relays and triacs via the 16-bit CCP PWM module, and communicates with the user interface over the USART. The 2.5 V to 5.5 V supply range allows direct connection to 3.3 V or 5 V power rails commonly found in these appliances. Low-power SLEEP mode with wake-up-on-pin-change cuts standby consumption, which is important for ENERGY STAR compliance.
Recommandé
Automotive Body Electronics
Inside automotive body modules such as seat controllers, mirror adjusters, and lighting drivers, the PIC16LC717T/SO provides the precise PWM generation and analog sensing needed for H-bridge motor control and ambient-light feedback. The 16-bit CCP module generates the PWM drive signal, while the two analog comparators monitor motor current with cycle-by-cycle overcurrent protection. Although automotive designs typically specify the -I (industrial) or AEC-Q100 grade parts, the PIC16LC717T/SO is widely used in non-safety automotive accessories where the 0C to +70C range is acceptable. The 18-SOIC package is hand-solderable, which simplifies service-repair workflows in dealer workshops.
Recommandé
Industrial Sensor Interfaces
For 4-20 mA loop-powered transmitters, photoelectric sensors, and process control peripherals, the PIC16LC717T/SO's 10-bit ADC and two analog comparators provide the analog front end, while the USART outputs RS-232, RS-485, or LIN-bus data to a master controller. The PIC16LC717T/SO is also used in HVAC sensor modules where it digitizes thermistor or RTD inputs and transmits them over a wired field bus. The on-chip voltage reference for the comparators reduces external component count, lowering BOM cost in cost-sensitive industrial designs. Brown-out reset ensures the MCU recovers cleanly from voltage drops on long cable runs.
Recommandé
Battery-Powered Handheld Instruments
The wide 2.5 V to 5.5 V operating range of the PIC16LC717T/SO allows it to run directly from two alkaline AA cells (which decline from 3.2 V to 2.0 V over life), eliminating the need for a boost converter in portable test equipment, digital calipers, and handheld medical instruments. The MCU's 5 MIPS throughput handles user-interface scanning, ADC sampling, and LCD driving while keeping average current draw low. Sleep mode with peripheral clock gating lets the device draw microamp-level standby current between measurements, extending battery life to months or years. The 18-SOIC footprint is small enough for handheld enclosures yet large enough for rework.
Recommandé
LED Lighting Control
Architectural and stage lighting controllers use the PIC16LC717T/SO to drive constant-current LED drivers through the 16-bit CCP PWM, while the ADC reads back dimming feedback or ambient-light sensors for closed-loop brightness control. The two analog comparators enable current-limit and over-temperature protection without an external supervisory IC. The PIC16LC717T/SO's 5 MIPS performance easily handles DMX-512 or DALI receive parsing on the USART alongside PWM generation, and the 256-byte RAM accommodates short command buffers. ICSP allows firmware updates through the same programming pins used for final test.
Recommandé
Security and Access Control Panels
Security alarm panels, RFID readers, and electronic door locks employ the PIC16LC717T/SO to scan keypads or Wiegand card readers, validate codes, and drive relays that control door strikes. The integrated ADC reads tamper switches and battery voltage, while the USART connects to upstream concentrators or GSM modules for remote monitoring. Brown-out reset and the watchdog timer ensure the panel recovers from voltage glitches and firmware lockups, which are critical for security applications. The OTP memory prevents firmware extraction even with physical access to the chip, satisfying many commercial-grade anti-tamper requirements.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour PIC16LC717T/SO — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | PIC16LC717-I/SO | PIC16LC717-E/SO | PIC16C717T/SO | PIC16C717-I/SO | PIC16LC717T-I/SS | PIC16LC717-E/SS |
|---|---|---|---|---|---|---|---|
| Package | 18-SOIC | 18-SOIC - same | 18-SOIC - same | 18-SOIC - same | 18-SOIC - same | 20-SSOP | 20-SSOP |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory | 3.5 KB OTP | 3.5 KB OTP | 3.5 KB OTP | 3.5 KB OTP | 3.5 KB OTP | 3.5 KB OTP | 3.5 KB OTP |
| RAM Size | 256 bytes | 256 bytes | 256 bytes | 256 bytes | 256 bytes | 256 bytes | 256 bytes |
| Operating Voltage | 2.5 V to 5.5 V | 2.5 V to 5.5 V | 2.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 2.5 V to 5.5 V | 2.5 V to 5.5 V |
| Max CPU Speed | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Temperature Grade | 0C to +70C (commercial) | -40C to +85C (industrial) | -40C to +125C (extended) | 0C to +70C (commercial) | -40C to +85C (industrial) | -40C to +85C (industrial) | -40C to +125C (extended) |
| RoHS Status | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
Principaux différenciateurs
- Wide 2.5 V to 5.5 V supply range vs 5 V-only on the C variant (vs PIC16C717T/SO)
- Industrial temperature grade with identical peripherals and pinout (vs PIC16LC717-I/SO)
- 20-pin SSOP option for higher-density boards (vs PIC16LC717T-I/SS)
Notes de conception
Place a 100 nF decoupling capacitor as close as possible to the VDD pin (pin 10) of the PIC16LC717T/SO, and add a bulk 10 uF capacitor on the same supply rail within 1 cm of the chip. The MCU's 16 I/O pins can source or sink up to 25 mA each (with proper thermal derating), but simultaneous high-current switching will cause VDD droops; adequate decoupling prevents brown-out reset events during PWM transitions.
Route the OSC1/OSC2 traces short and symmetrically. For a 20 MHz crystal, keep the traces under 5 mm and place the load capacitors within 2 mm of the oscillator pins. Keep the oscillator section away from switching signals like the PWM outputs on RC1/RC2 to avoid jitter or injection of switching noise into the clock. A ground pour under and around the oscillator section also reduces EMI.
The MCLR pin (not bonded out on 18-SOIC, but internally pulled) requires careful configuration in the CONFIG register; disabling MCLR in config makes RA5 a general-purpose I/O, but then ICSP cannot reset the device normally. Always reserve the ICSP PGD/PGC pins (RB7/RB6 on PIC18, or PGD/PGC equivalent on PIC16) - these are RC4/RC5 on the LC717 - and route them to a header for in-circuit programming access during prototype bring-up.
Informations de conformité
RoHS compliant per Microchip product page. Not AEC-Q100 qualified - the -I temperature grade is industrial, not automotive-qualified. Halogen-free status not explicitly listed in provided data; refer to Microchip environmental compliance documents for confirmation.
