PIC16F737-I/SS - 8-Bit 20MHz 7KB Flash MCU 28-SSOP | Microchip
N.º da peça: PIC16F737-I/SS ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $6.2 | $6,20 |
| 10 | $5.55 | $55,50 |
| 100 | $4.72 | $472,00 |
| 500 | $4.2 | $2.100,00 |
| 1.000 | $3.78 | $3.780,00 |
PIC16F737-I/SS Visão geral
What is an 8-bit flash microcontroller? An 8-bit flash microcontroller is a single-chip computer built around an 8-bit data-path CPU, with non-volatile Flash program memory that can be re-programmed in-circuit. The PIC16F737 belongs to the PIC16F family of microcontrollers, which itself is a sub-family of the broader microcontroller category that sits within the semiconductor and embedded computing hierarchy. These devices are used wherever a low-power, deterministic, low-cost processor is needed to read sensors, drive actuators, and exchange data over standard serial interfaces.
Key features of the PIC16F737-I/SS include nanoWatt power management for sleep-mode currents as low as the manufacturer-specified low-nA range, a wide 2.0 V to 5.5 V operating voltage range, 25 I/O pins with high-current sink/source capability, an internal oscillator option to reduce external component count, and in-circuit serial programming (ICSP) for field updates. The 10-bit ADC and three CCP modules make the part particularly suitable for closed-loop control.
The PIC16F737 uses Microchip's enhanced mid-range 8-bit core with a hardware multiplier and 14-bit instruction word, supporting 35 instructions including hardware multiply. The 28-pin SSOP package exposes 25 digital I/O lines that can be multiplexed with the analog inputs, CCP outputs, and serial peripheral pins, giving designers significant board-level flexibility in a compact 5.30 mm body.
Typical applications include consumer appliance control, industrial sensor interfaces, low-end motor control via CCP/PWM, battery-powered measurement instruments that benefit from nanoWatt sleep modes, and automotive body-electronics sub-modules (PIC16F737, not the -Q1 grade, which is the AEC-Q100 variant). The USART and SSP peripherals also enable bridging to RS-232/RS-485 networks and SPI/I2C sensor chains.
When designing with the PIC16F737-I/SS, ensure that decoupling (a 100 nF ceramic placed within 5 mm of VDD and a bulk capacitor on the board) is provided, that unused I/O pins are configured as outputs to minimize sleep current, and that the MCLR pin is pulled high through the recommended 10 kohm resistor for normal operation. The internal oscillator can be selected at 8 MHz or lower to reduce BOM cost in cost-sensitive designs.
This page synthesizes distributor pricing, drop-in and same-package alternatives, and practical design notes that are not compiled in a single place on the manufacturer datasheet or distributor product pages.
Alternativas drop-in para PIC16F737-I/SS — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com PIC16F737-I/SS (mesmo formato e footprint) — diferindo em Package, Serial Interfaces, ADC, Operating Temperature Range, Core Architecture.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
PIC16F737-E/SS
✅ Drop-In✓ Em estoque
$3.51 / unidade
Ver ficha técnica →PIC16F737-I/SP
✅ Drop-In✓ Em estoque
$3.34 / unidade
Ver ficha técnica →PIC16F737-I/ML
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC16F737-I/SO
✅ Drop-In✓ Em estoque
$3.89 / unidade
Ver ficha técnica →PIC16F737T-I/SS
✅ Drop-In✓ Em estoque
$2.2 / unidade
Ver ficha técnica →PIC16F767-I/SS
✅ Drop-In✓ Em estoque
$2.18 / unidade
Ver ficha técnica →PIC16F737-I/SS Classificações máximas e características elétricas
| Core Processor | PIC (8-bit, enhanced mid-range) |
| Core Size | 8-bit |
| Maximum CPU Speed | 20 MHz |
| Program Memory (Flash) | 7 KB (4K x 14 words) |
| Data RAM | 368 bytes |
| Data EEPROM | 256 bytes |
| Number of I/O Pins | 25 |
| ADC | 11 channels x 10-bit |
| Timers | 3 (Timer0, Timer1, Timer2) |
| CCP/ECCP Modules | 3 Capture/Compare/PWM |
| Serial Interfaces | 1x SSP (SPI/I2C), 1x AUSART (USART) |
| Supply Voltage (VDD) | 2.0 V to 5.5 V |
| Faixa de temperatura de operação | -40 C to +85 C (industrial, -I suffix) |
| Encapsulamento | 28-pin SSOP (5.30 mm body) |
| Tipo de montagem | Surface Mount |
| Programming | ICSP (In-Circuit Serial Programming) |
| Oscillator | Internal + external crystal support |
| Power-Saving Modes | nanoWatt Technology (sleep modes) |
| Status RoHS | Compliant |
| Lead-Free | Yes |
Configuração de pinos do PIC16F737-I/SS
| Pino 1 | RA0/AN0 — Bidirectional I/O / Analog input channel 0 |
| Pino 2 | RA1/AN1 — Bidirectional I/O / Analog input channel 1 |
| Pino 3 | RA2/AN2/VREF- — Bidirectional I/O / Analog input 2 / ADC negative reference |
| Pino 4 | RA3/AN3/VREF+ — Bidirectional I/O / Analog input 3 / ADC positive reference |
| Pino 5 | RA4/AN4/T0CKI — Bidirectional I/O / Analog input 4 / Timer0 clock input |
| Pino 6 | RA5/AN5/SS — Bidirectional I/O / Analog input 5 / SPI slave select |
| Pino 7 | VSS — Ground reference |
| Pino 8 | OSC1/CLKI — Crystal oscillator input / external clock input |
| Pino 9 | OSC2/CLKO — Crystal oscillator output / clock output |
| Pino 10 | RC0/T1OSO/T1CKI — Bidirectional I/O / Timer1 oscillator output / Timer1 clock input |
| Pino 11 | RC1/T1OSI/CCP2 — Bidirectional I/O / Timer1 oscillator input / CCP2 output |
| Pino 12 | RC2/CCP1 — Bidirectional I/O / CCP1 output |
| Pino 13 | RC3/SCK/SCL — Bidirectional I/O / SPI clock / I2C clock |
| Pino 14 | RC4/SDI/SDA — Bidirectional I/O / SPI data in / I2C data |
| Pino 15 | RC5/SDO — Bidirectional I/O / SPI data out |
| Pino 16 | RC6/TX/CK — Bidirectional I/O / AUSART TX / clock |
| Pino 17 | RC7/RX/DT — Bidirectional I/O / AUSART RX / data |
| Pino 18 | VSS — Ground reference (second VSS pin) |
| Pino 19 | VDD — Positive supply voltage |
| Pino 20 | RB0/INT — Bidirectional I/O / external interrupt |
| Pino 21 | RB1 — Bidirectional I/O |
| Pino 22 | RB2 — Bidirectional I/O |
| Pino 23 | RB3/PGM — Bidirectional I/O / ICSP programming pin |
| Pino 24 | RB4 — Bidirectional I/O |
| Pino 25 | RB5 — Bidirectional I/O |
| Pino 26 | RB6/PGC — Bidirectional I/O / ICSP clock |
| Pino 27 | RB7/PGD — Bidirectional I/O / ICSP data |
| Pino 28 | MCLR/VPP/RE3 — Master clear (reset) / programming voltage / I/O |
Aplicações típicas
PIC16F737-I/SS é adequado para 7 aplicaçãos: Industrial Sensor Interface Hub, Consumer Appliance Control Board, Battery-Powered Measurement Instrument, HVAC Fan and Blower Motor Controller, Automotive Body Electronics Sub-Module (Non-AEC-Q100), Educational and Hobby Development Platform, LED Lighting Dimmer and Color Controller.
Industrial Sensor Interface Hub
The PIC16F737-I/SS fits industrial sensor interface hubs because its 11-channel 10-bit ADC delivers simultaneous monitoring of multiple analog sensors such as temperature, pressure, and strain gauges in a single MCU. Operating from 2.0 V to 5.5 V, it accepts both 3.3 V and 5 V transducer outputs without level shifting. The AUSART enables Modbus RTU over RS-485 for factory-floor networks, and the SSP supports I2C EEPROM for calibration logging. At 20 MHz the core samples, filters, and transmits sensor data within the typical 10 ms industrial control loop.
Recomendado
Consumer Appliance Control Board
In consumer appliance control boards such as washing machines, dishwashers, and small kitchen appliances, the PIC16F737-I/SS provides three CCP/PWM channels for driving brushless DC motors, triac-fired heater elements, and solenoid valves from a single MCU. Its 7 KB Flash accommodates state-machine control firmware plus a simple user-interface menu. The 25 I/O pins handle keypad scanning, LED indicators, and seven-segment displays. The nanoWatt sleep modes keep standby power below typical energy-star limits when the appliance is idle but plugged in.
Recomendado
Battery-Powered Measurement Instrument
The PIC16F737-I/SS is well-suited for handheld battery-powered measurement instruments because its nanoWatt technology provides low sleep current for multi-year battery life, while the 20 MHz core wakes quickly to perform ADC sampling and computation. The 11-channel ADC supports multi-range measurements (voltage, current, temperature) from a single MCU. The wide 2.0 V to 5.5 V operating range allows direct operation from two or three alkaline cells or a single Li-ion cell. The ICSP interface allows field firmware upgrades without opening the instrument enclosure.
Recomendado
HVAC Fan and Blower Motor Controller
The PIC16F737-I/SS controls HVAC fan and blower motors using its three CCP/PWM channels to generate variable-frequency or variable-duty-cycle drive signals, with feedback from Hall-effect sensors read through the 10-bit ADC for closed-loop speed regulation. The AUSART communicates with the main thermostat or building-management system over a 2-wire RS-485 link. Its 25 I/O lines accept commands from wall thermostats, drive triac outputs, and read safety interlocks (door switch, over-temperature sensor). Operating up to +85 C industrial range suits equipment-room enclosures.
Recomendado
Automotive Body Electronics Sub-Module (Non-AEC-Q100)
For non-safety automotive body electronics such as interior lighting controllers, seat-position memories, or accessory modules, the PIC16F737-I/SS provides sufficient processing and I/O. Three PWM channels drive LED dimmers or small DC motors, the SSP interfaces with SPI/I2C sensors (ambient light, position), and the USART links to the body control module. Note: this is the industrial-grade -I variant; safety-critical or under-hood applications require the AEC-Q100 qualified PIC16F737-Q1 equivalent. The -40 C to +85 C industrial temperature range suits cabin environments.
Recomendado
Educational and Hobby Development Platform
The PIC16F737-I/SS is a strong choice for educational and hobbyist microcontroller courses because the 28-pin SSOP is breadboard-friendly with a breakout PCB, the PICkit programmer provides low-cost ICSP debugging, and Microchip's MPLAB X IDE with XC8 compiler offers a free toolchain. The 7 KB Flash accommodates textbook exercises covering GPIO, ADC, PWM, I2C, SPI, and UART, while 368 bytes RAM is sufficient for typical lab projects. The internal 8 MHz oscillator eliminates external crystal wiring for beginners.
Recomendado
LED Lighting Dimmer and Color Controller
The PIC16F737-I/SS drives LED lighting dimmers and color-mixing controllers using its three CCP/PWM channels to generate independent dim signals for red, green, and blue LEDs or for warm-white/cool-white tunable strips. The 11-channel ADC reads ambient-light sensors and user potentiometers for feedback. The I2C peripheral connects to WS2811-style or I2C LED driver ICs for addressable strips. Operating at 2.0-5.5 V, the same MCU works for both 3.3 V logic-level strips and 5 V analog LED strings, with nanoWatt sleep keeping standby power negligible when the lights are off.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para PIC16F737-I/SS — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | PIC16F737-E/SS | PIC16F737-I/SP | PIC16F737-I/ML | PIC16F737-I/SO | PIC16F767-I/SS |
|---|---|---|---|---|---|---|
| Package | SSOP-28 (5.30 mm) | SSOP-28 (5.30 mm) - same | SSOP-28 (5.30 mm) - same die, SPDIP-28 | SSOP-28 (5.30 mm) - same die, QFN-28 | SSOP-28 (5.30 mm) - same die, SOIC-28 | SSOP-28 (5.30 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 7 KB | 7 KB | 7 KB | 7 KB | 7 KB | 14 KB |
| Data RAM | 368 bytes | 368 bytes | 368 bytes | 368 bytes | 368 bytes | 368 bytes |
| Maximum CPU Speed | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| ADC Channels x Resolution | 11 x 10-bit | 11 x 10-bit | 11 x 10-bit | 11 x 10-bit | 11 x 10-bit | 11 x 10-bit |
| CCP/PWM Modules | 3 | 3 | 3 | 3 | 3 | 3 |
| Operating Temperature | -40 C to +85 C (industrial) | -40 C to +125 C (extended) | -40 C to +85 C (industrial) | -40 C to +85 C (industrial) | -40 C to +85 C (industrial) | -40 C to +85 C (industrial) |
| Voltage Range (VDD) | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V |
Principais diferenciais
- Largest Flash memory in 28-pin PIC16F7xx family with 11 ADC channels (vs PIC16F727-I/SS)
- Extended-temperature drop-in option exists in same SSOP-28 package (vs PIC16F737-E/SS)
- Three CCP/PWM modules vs typical two in smaller PIC16F devices (vs PIC16F688-I/SL)
Notas de projeto
Place a 100 nF ceramic decoupling capacitor within 5 mm of the VDD pin (pin 19) and a bulk capacitor (4.7 uF to 10 uF) on the board VDD rail. Add a second 100 nF cap near the AVdd/AVss pair if the analog supply is separated. Decoupling must be present before power is applied; missing decoupling can cause ADC noise and erratic resets via the internal brown-out detector.
Configure unused I/O pins as outputs with low-level output rather than leaving them as inputs; floating inputs can draw 100-200 uA each through the CMOS input stage and destroy nanoWatt sleep-current budgets. Tie MCLR (pin 28) high through a 10 kohm resistor and to VDD directly in production, but expose it on the ICSP header so the PICkit can drive it low for programming.
Keep the 28-pin SSOP trace lengths to the crystal pins (OSC1/OSC2) under 10 mm and shield them with a ground pour to reduce EMI pickup on the oscillator. For low-EMI designs, use the internal 8 MHz oscillator (INTOSC) instead of an external crystal; this eliminates two clock pins and reduces the BOM. If an external crystal is required, choose a parallel-resonant type with appropriate load capacitors (typically 15-33 pF).
Estimated: with the internal 20 MHz oscillator and 25 pF pin capacitance on each port, maximum toggle rate per pin is approximately 10 MHz before signal integrity degrades on long traces. For high-speed SPI at 10 MHz, keep MISO/MOSI/SCK traces under 50 mm and add 22-33 ohm series-termination resistors at the driver end. Add ground-return vias every 25 mm along long parallel traces to control crosstalk.
Informações de conformidade
RoHS and REACH compliant per Microchip product page; lead-free SSOP package confirmed. The PIC16F737 -I/SS is industrial grade (-40 C to +85 C), not AEC-Q100 qualified; for automotive designs use the PIC16F737 -Q1 grade. Halogen-free status not explicitly stated in the provided web data.
