PIC16F716T-I/SO - 8-bit Flash MCU, 20MHz, 3.5KB | Microchip
MPN: PIC16F716T-I/SO β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.67 | $1.67 |
| 10 | $1.5 | $15.00 |
| 100 | $1.34 | $134.00 |
| 500 | $1.18 | $590.00 |
| 1,000 | $1.05 | $1,050.00 |
PIC16F716T-I/SO Overview
An 8-bit microcontroller (MCU) is a small computer-on-a-chip that combines a CPU, memory, and peripherals to execute embedded control tasks. PIC microcontrollers from Microchip use a RISC-based Harvard architecture where program and data memories are separate, enabling single-cycle instruction fetch and deterministic timing - a key reason PIC MCUs dominate cost-sensitive embedded designs.
Key features of the PIC16F716 include 4 channels of 8-bit A/D converter, an Enhanced Capture/Compare/PWM (ECCP) module, two 8-bit timers and one 16-bit timer, a Watchdog Timer with its own on-chip RC oscillator, and In-Circuit Serial Programming (ICSP) capability. The 18-pin SOIC form factor supports both through-hole-style prototyping and high-volume surface-mount assembly lines.
The PIC16F716 architecture is upwards compatible with PIC16C5X and PIC12FXXX devices, easing firmware migration. Its on-chip peripherals and nanoWatt-style power-saving features make it suitable for battery-aware designs where sleep current and wake-up timing matter.
Typical applications include appliance control, automotive interior modules (PIC16F716T-I/SOVAO variant), small motor control via ECCP PWM, sensor signal conditioning through the 8-bit ADC, white-goods user-interface boards, and LED lighting drivers. The 35-instruction RISC core also makes it a popular teaching platform for embedded systems courses.
When designing with this part, budget the 2.5V to 5.5V supply carefully: a single Li-ion cell plus boost converter, or a regulated 3.3V or 5V rail, both work. Note that the 8-bit ADC has a fixed input mux and needs an acquisition time dependent on source impedance - add a buffer op-amp when reading high-impedance sensors.
This page consolidates distributor pricing, pin-compatible drop-in alternatives, and practical design notes for the PIC16F716T-I/SO, providing engineering context not found in the standalone datasheet.
Drop-in alternatives for PIC16F716T-I/SO β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with PIC16F716T-I/SO (same form factor and footprint) β differing in Core Architecture, Package, ADC, Timers, Data EEPROM.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
PIC16F716-I/SO
β Drop-Inπ Reference alternative (not in catalog)
PIC16F716T-E/SO
β Drop-Inβ In Stock
$1.48 / Unit
View Datasheet βPIC16F716T-I/SOVAO
β Drop-Inπ Reference alternative (not in catalog)
PIC16F716T-I/SOG
β Drop-Inπ Reference alternative (not in catalog)
PIC16F716-I/SOVAO
β Drop-Inπ Reference alternative (not in catalog)
PIC16F716T-I/SO Maximum Ratings & Electrical Characteristics
| Core Architecture | 8-bit PIC RISC (Harvard) |
| Instruction Set Width | 14-bit (mid-range PIC16) |
| Number of Instructions | 35 single-word instructions |
| Instruction Execution Time | 200 ns at 20 MHz |
| Maximum Clock Speed | 20 MHz |
| Program Memory (Flash) | 3.5 KB (2K x 14) |
| Data RAM | 128 bytes |
| I/O Pins | 13 |
| ADC | 4 channels x 8-bit |
| Timers | 2 x 8-bit, 1 x 16-bit |
| Enhanced CCP (ECCP) Module | Yes (Capture/Compare/PWM) |
| Watchdog Timer | Yes (with dedicated on-chip RC oscillator) |
| In-Circuit Serial Programming | Yes (ICSP) |
| Supply Voltage | 2.5 V to 5.5 V |
| Operating Temperature | -40 C to +85 C (industrial, "I" grade) |
| Package | 18-pin SOIC (SO, 7.5 mil pitch) |
| Mounting Type | Surface Mount |
| MSL Level | 1 |
| RoHS Status | Compliant (Pb-free) |
PIC16F716T-I/SO Pin Configuration
| Pin 1 | RA0/AN0 β Digital I/O / analog input channel 0 |
| Pin 2 | RA1/AN1 β Digital I/O / analog input channel 1 |
| Pin 3 | RA2/AN2/VREF- β Digital I/O / analog input channel 2 / ADC negative reference |
| Pin 4 | RA3/AN3/VREF+ β Digital I/O / analog input channel 3 / ADC positive reference |
| Pin 5 | RA4/T0CKI β Digital I/O / Timer0 clock input |
| Pin 6 | RA5/SS/AN4 β Digital I/O / SPI slave select / analog input channel 4 |
| Pin 7 | VSS β Ground reference |
| Pin 8 | OSC1/CLKIN β Crystal oscillator input / external clock input |
| Pin 9 | OSC2/CLKOUT β Crystal oscillator output / clock output |
| Pin 10 | RC0/T1OSO/T1CKI β Digital I/O / Timer1 oscillator output / Timer1 clock input |
| Pin 11 | RC1/T1OSI/CCP2 β Digital I/O / Timer1 oscillator input / CCP2 output |
| Pin 12 | RC2/CCP1 β Digital I/O / Enhanced CCP1 PWM output |
| Pin 13 | RC3 β Digital I/O |
| Pin 14 | RC4 β Digital I/O |
| Pin 15 | RC5 β Digital I/O |
| Pin 16 | RC6 β Digital I/O |
| Pin 17 | RC7 β Digital I/O |
| Pin 18 | VDD β Positive supply (2.5 V to 5.5 V) |
Typical Applications
PIC16F716T-I/SO is suitable for 6 applications: White Goods Appliance Control, Automotive Interior Lighting (PIC16F716T-I/SOVAO), Sensor Signal Conditioning & 8-bit ADC Front-End, Small DC Motor Speed Control (ECCP PWM), Battery-Powered IoT Edge Sensor Node, LED Lighting Driver & Dimmer Control.
White Goods Appliance Control
The PIC16F716T-I/SO fits appliance control boards because its 3.5 KB Flash holds typical washing-machine or dishwasher state-machine code, 13 I/O drives relays and triac optocouplers, and the 4-channel 8-bit ADC reads thermistor or water-level sensors. The Enhanced CCP (ECCP) module generates zero-cross triac firing pulses, replacing a dedicated timer IC. Operating from 2.5 V to 5.5 V allows direct connection to a rectified 5 V rail. Industrial -40C to +85C operation handles under-sink and garage installs.
Recommended
Automotive Interior Lighting (PIC16F716T-I/SOVAO)
The PIC16F716T-I/SOVAO (automotive PPAP variant) drives interior RGB ambient lighting in instrument panels and door trim. Its ECCP PWM channels mix three LED strings without external driver ICs, and the 8-bit ADC reads ambient-light sensors for adaptive brightness. AEC-Q100 screening and -40C to +125C temperature grade clear automotive qualification gates. The 18-pin SOIC survives engine-bay adjacent thermal zones and supports automated pick-and-place for high-volume lines.
Recommended
Sensor Signal Conditioning & 8-bit ADC Front-End
In cost-sensitive industrial sensor transmitters, the PIC16F716T-I/SO conditions and digitizes bridge, thermistor, or 4-20 mA inputs through its 4-channel 8-bit ADC and Timer1-driven PWM-DAC outputs. The 35-instruction core is fast enough for moving-average filters at 1 kHz sample rates. The 20 MHz clock and 200 ns instruction execution handle both digital housekeeping (HMI buttons, relay drivers) and the analog signal chain on one chip, saving BOM cost versus separate ADC + MCU architectures.
Recommended
Small DC Motor Speed Control (ECCP PWM)
The Enhanced CCP module in the PIC16F716T-I/SO generates complementary PWM outputs with programmable dead-band delay, ideal for half-bridge or full-bridge motor drivers up to 24 V / 2 A. Hall-sensor or back-EMF inputs feed the Capture register for closed-loop speed measurement. The 16-bit Timer1 acts as the speed-control timebase while the 8-bit Timer0 services the user-interface pushbuttons - one chip replaces a typical 555-timer-plus-logic discrete design with firmware-driven tuning.
Recommended
Battery-Powered IoT Edge Sensor Node
For wireless sensor end-nodes powered by 2xAA or CR2032 cells, the PIC16F716T-I/SO offers 2.5 V minimum supply that works directly from a partially-depleted cell stack. Sleep current is well under 1 uA with the Watchdog Timer on the dedicated internal RC oscillator, freeing the main 20 MHz oscillator during sleep. The 13 I/O pins interface to SPI temperature sensors, I2C EEPROMs, and a sub-GHz transmitter like the CC1101, all while maintaining a sub-$1.50 unit cost at 100-piece volume.
Recommended
LED Lighting Driver & Dimmer Control
The PIC16F716T-I/SO drives constant-current LED strings via its ECCP PWM and feedback loop reading the ADC channel. Front-panel potentiometer or pushbutton inputs feed the digital I/O pins and are read through the 8-bit ADC for logarithmic dimming curves that match human-eye perception. Operating from 2.5 V to 5.5 V means a single buck-converter stage plus this MCU is enough for 12 V / 24 V LED tape drivers. ICSP allows firmware updates for tunable white or RGB color-mixing algorithms without hardware changes.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F716T-I/SO β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F716-I/SO | PIC16F716T-E/SO | PIC16F716T-I/SOVAO | PIC16F716T-I/SOG | PIC16F716-I/SOVAO |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | SOIC-18 (SO, 7.5 mm) | SOIC-18 (same) | SOIC-18 (same) | SOIC-18 (same) | SOIC-18 (same) | SOIC-18 (same) |
| Operating Temperature | -40 C to +85 C (Industrial, "I") | -40 C to +85 C (same) | -40 C to +125 C (Extended, "E") | -40 C to +85 C + AEC-Q100 automotive | -40 C to +85 C (same) | -40 C to +85 C + AEC-Q100 automotive |
| Packaging Media | Tape & Reel (T suffix) | Tube (no T suffix) | Tape & Reel | Tape & Reel | Tape & Reel | Tube (no T suffix) |
| Automotive Qualification | No | No | No | Yes (PPAP + AEC-Q100) | No | Yes (PPAP + AEC-Q100) |
| Lead Finish | Matte-Tin (Pb-free) | Matte-Tin (Pb-free) | Matte-Tin (Pb-free) | Matte-Tin (Pb-free) | Matte-Tin (Pb-free, G suffix) | Matte-Tin (Pb-free) |
| Core / Flash / RAM | PIC16 8-bit / 3.5 KB / 128 B | PIC16 8-bit / 3.5 KB / 128 B (identical die) | PIC16 8-bit / 3.5 KB / 128 B (identical die) | PIC16 8-bit / 3.5 KB / 128 B (identical die) | PIC16 8-bit / 3.5 KB / 128 B (identical die) | PIC16 8-bit / 3.5 KB / 128 B (identical die) |
| Max Clock / ADC Channels | 20 MHz / 4 ch x 8-bit | 20 MHz / 4 ch x 8-bit (same) | 20 MHz / 4 ch x 8-bit (same) | 20 MHz / 4 ch x 8-bit (same) | 20 MHz / 4 ch x 8-bit (same) | 20 MHz / 4 ch x 8-bit (same) |
Key Differentiators
- Industrial -40C to +85C temperature grade in tape-and-reel packaging (vs PIC16F716T-E/SO)
- 35-instruction mid-range RISC core with single-cycle execution (vs PIC16F716T-I/SS (SSOP-20))
- Enhanced CCP (ECCP) module with programmable dead-band delay (vs PIC16F716T-I/SOVAO (automotive VAO))
Design Notes
Place a 100 nF decoupling capacitor as close as possible to the VDD pin (pin 18) and a 10 uF bulk capacitor at the board-level supply entry. The PIC16F716T-I/SO has no internal voltage regulator; for designs above 5.5 V, add an external LDO like MCP1700 before VDD. A 10 kohm pull-up on /MCLR (pin 4) is mandatory for normal operation; do not leave /MCLR floating.
Configuration-word bits (FOSC, WDTE, PWRTE, BOREN, LVP) must be set correctly in the C source code before programming. LVP (Low-Voltage Programming) defaults to enabled on unprogrammed devices and conflicts with RB4 as a digital I/O; disable LVP if pin RB4 is used in the application. Brown-out Reset (BOR) is recommended for any line-powered design to avoid corrupted EEPROM/Flash at low VDD.
When using a high-speed crystal (>4 MHz) on OSC1/OSC2 (pins 8-9), place the load capacitors within 3 mm of the oscillator pins and keep traces short and symmetric. The 18-pin SOIC has 7.5 mm body width and 1.27 mm pin pitch - allow 0.4 mm clearance between adjacent SOIC pads and adjacent signal traces to prevent solder bridges during reflow.
The 8-bit ADC requires a minimum acquisition time that depends on the source impedance: T_ACQ = 2 us + (1.25kohm + R_SOURCE) * 56 pF. For high-impedance sensors (R_SOURCE > 10 kohm), buffer with an op-amp (e.g. MCP6002) before the ADC input. Use the VREF+ pin (RA3) for an external reference when reading low-voltage sensors where VDD noise would otherwise couple into the ADC result.
The PIC16F716T-I/SO dissipates under 50 mW even at full 20 MHz operation, so thermal management is rarely required. In a sealed automotive under-hood enclosure, however, ambient can exceed +85 C, so use the -E (Extended) variant instead of the -I (Industrial). The 18-pin SOIC theta_JA is approximately 70 C/W on a 2-layer JEDEC test board - derate accordingly if using a small footprint with limited copper pour.
Compliance Information
RoHS-compliant Pb-free matte-tin finish. Industrial -I grade is not AEC-Q100 qualified - select PIC16F716T-I/SOVAO for automotive PPAP. REACH SVHC below 0.1% w/w threshold per Microchip Material Declaration Sheet. Halogen-free status not explicitly listed in the manufacturer datasheet - see Microchip environmental compliance page for the latest statement.
