PIC16F1768-E/SS - 8-Bit MCU, 7KB Flash, 32MHz, 20-SSOP | Microchip
MPN: PIC16F1768-E/SS β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.92 | $1.92 |
| 10 | $1.78 | $17.80 |
| 100 | $1.55 | $155.00 |
| 500 | $1.38 | $690.00 |
| 1,000 | $1.24 | $1,240.00 |
PIC16F1768-E/SS Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash/RAM/EEPROM), and programmable peripherals. The PIC16F1768 belongs to the 8-bit microcontroller class β a category optimized for low power, deterministic real-time control, and simple instruction sets. Within Microchip's hierarchy it sits under PIC16F (mid-range 8-bit) β 8-bit MCU β microcontroller β embedded processor β semiconductor. It targets applications requiring mixed analog/digital integration such as LED lighting, sensor conditioning, and power conversion feedback loops.
Key differentiating features include the 10-bit DAC with computation, two op-amps, a zero-cross detect module for TRIAC/SSR control, high-current I/O capable of sourcing/sinking higher than standard logic, and eXtreme Low Power (XLP) technology for battery-friendly operation. The device supports 1.8Vβ5.5V operation across -40C to +125C industrial temperatures and includes Core Independent Peripherals (CIPs) that offload timing-critical tasks from the CPU.
Architecturally the PIC16F1768 uses a 14-bit instruction word RISC core with a hardware stack and interrupt-driven CIPs. Internal 32MHz oscillator, 5-bit DAC, complementary output generators, and configurable logic cells are designed to reduce external component count in motor, lighting, and signal-conditioning designs.
Typical applications include LED lighting drivers, TRIAC-controlled dimmers, small DC motor and fan control, sensor signal conditioning, industrial control panels, and low-power IoT end nodes. Engineers frequently pair the PIC16F1768 with companion analog ICs for precision sensor front-ends.
When designing with the PIC16F1768, ensure adequate decoupling (100nF + 1uF) near VDD, route the high-current I/O traces with sufficient copper weight, and verify op-amp stability under load capacitance. The MSSP and EUSART modules enable I2C/SPI/UART expansion without external glue logic.
Drop-in alternatives for PIC16F1768-E/SS 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 PIC16F1768-E/SS (same form factor and footprint) β differing in ADC, Package, DAC, Data EEPROM, Core Architecture.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
PIC16F1765-I/SS
β Drop-Inπ Reference alternative (not in catalog)
PIC16F1764-I/SS
β Drop-Inπ Reference alternative (not in catalog)
PIC16F1764-E/SS
β Drop-Inπ Reference alternative (not in catalog)
PIC16F1713-I/SS
β Drop-Inπ Reference alternative (not in catalog)
PIC16F1713-E/SS
β Drop-Inβ In Stock
$1.05 / Unit
View Datasheet βPIC16F15354-I/SS
β Drop-Inπ Reference alternative (not in catalog)
PIC16F15344-I/SS
β Drop-Inβ In Stock
$0.79 / Unit
View Datasheet βPIC16F1618-E/SS
β Drop-Inβ In Stock
$0.85 / Unit
View Datasheet βPIC16F1768-E/SS Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC 8-bit Enhanced Mid-Range |
| Program Memory (Flash) | 7 KB (4K x 14 words) |
| Data RAM | 512 bytes |
| Data EEPROM | 256 bytes |
| Maximum CPU Speed | 32 MHz |
| Operating Voltage Range | 2.4 V to 5.5 V (F-version) |
| Operating Temperature Range | -40C to +125C |
| ADC | 10-bit, multiple channels |
| DAC | 10-bit |
| Operational Amplifiers | 2 on-chip |
| Zero-Cross Detect | Yes |
| High-Current I/O | Yes (source/sink enhanced) |
| Package | 20-pin SSOP |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| MSL Level | 1 |
| Number of I/O Pins | 17 |
| Instruction Set | 14-bit RISC |
PIC16F1768-E/SS Pin Configuration
| Pin 1 | Vpp/MCLR/RE3 β Programming voltage / Master Clear Reset / PORTE bit 3 |
| Pin 2 | RA0 β PORTA bit 0 (analog/digital I/O) |
| Pin 3 | RA1 β PORTA bit 1 (analog/digital I/O) |
| Pin 4 | RA2 β PORTA bit 2 (analog/digital I/O) |
| Pin 5 | RC0 β PORTC bit 0 (analog/digital I/O) |
| Pin 6 | RC1 β PORTC bit 1 (analog/digital I/O) |
| Pin 7 | RC2 β PORTC bit 2 (analog/digital I/O) |
| Pin 8 | RC3 β PORTC bit 3 (analog/digital I/O) |
| Pin 9 | RC4 β PORTC bit 4 (analog/digital I/O) |
| Pin 10 | RC5 β PORTC bit 5 (analog/digital I/O) |
| Pin 11 | VDD β Positive supply voltage |
| Pin 12 | VSS β Ground reference |
| Pin 13 | RC6 β PORTC bit 6 (analog/digital I/O) |
| Pin 14 | RC7 β PORTC bit 7 (analog/digital I/O) |
| Pin 15 | RA4 β PORTA bit 4 (analog/digital I/O) |
| Pin 16 | RA5 β PORTA bit 5 (analog/digital I/O) |
| Pin 17 | RA6 β PORTA bit 6 (analog/digital I/O) |
| Pin 18 | RA7 β PORTA bit 7 (analog/digital I/O) |
| Pin 19 | VSS β Ground reference (secondary) |
| Pin 20 | VDD β Positive supply voltage (secondary) |
Typical Applications
PIC16F1768-E/SS is suitable for 6 applications: LED Lighting Drivers, TRIAC-Based AC Dimmer Control, Sensor Signal Conditioning, Small DC Motor and Fan Control, Industrial Control Panel I/O, Low-Power IoT End Node.
LED Lighting Drivers
The PIC16F1768-E/SS is well suited for LED lighting driver applications because it integrates a 10-bit DAC, two on-chip op-amps, and zero-cross detect for AC mains dimming feedback. The 32MHz CPU at 8 MIPS provides real-time PWM generation for constant-current control, while the high-current I/O can directly drive MOSFET gate drivers without external buffers. With 7KB Flash it accommodates complex dimming curves and DMX/RDM protocol stacks. Compared with a PIC16F1507, the PIC16F1768 offers integrated analog for closed-loop current sensing β reducing BOM by one op-amp IC. Place 100nF decoupling near VDD (pin 11) and route the op-amp output traces away from switching nodes to avoid PWM injection.
Recommended
TRIAC-Based AC Dimmer Control
The PIC16F1768-E/SS excels in TRIAC-based AC dimmer modules because its zero-cross detect peripheral times mains zero-crossings accurately without CPU intervention, freeing the core for phase-angle calculation. The two on-chip op-amps can condition the AC sense signal and provide feedback for leading-edge or trailing-edge dimming. At 32MHz the device easily handles 60Hz/50Hz phase delays with sub-100us resolution. Per Microchip's PIC16F176x application notes, this part replaces discrete zero-cross circuits and external comparator ICs. Choose the SSOP package for compact wall-dimmer form factors; consider adding a heatsink calculation for TRIAC tab when used in >2A dimmers.
Recommended
Sensor Signal Conditioning
The PIC16F1768-E/SS is ideal for sensor signal conditioning because the two integrated op-amps can amplify low-level bridge sensor outputs (e.g., load cells, pressure sensors) directly at the MCU pins, while the 10-bit ADC digitizes the result with on-chip reference. The 10-bit DAC enables sensor excitation and bias generation, eliminating separate analog front-end ICs. With 7KB Flash the MCU can run calibration, linearization, and digital filtering algorithms. According to the Microchip datasheet, the op-amps have configurable gain/power modes and share pins with PORTC, simplifying PCB layout. A typical bridge sensor conditioning application requires 4-layer PCB and 100nF VDD decoupling within 5mm of the MCU.
Recommended
Small DC Motor and Fan Control
The PIC16F1768-E/SS handles small DC motor and fan control because its 32MHz CPU and high-current I/O can drive N-FET half-bridges directly while the 10-bit ADC samples back-EMF or current shunt for closed-loop speed control. The enhanced PWM module supports complementary outputs with dead-band generation, useful for brushless DC motors. With 512 bytes of RAM and 7KB Flash, the device can store multiple speed profiles and PID constants. Per Microchip documentation, the device also supports encoder input via CCP/CWG peripherals. Match this MCU against a PIC16F1719 when you need more PWM channels; otherwise PIC16F1768's integrated analog simplifies compact BLDC designs.
Recommended
Industrial Control Panel I/O
The PIC16F1768-E/SS is well matched for industrial control panel I/O expansion because it offers 17 I/O pins, an EUSART for RS-485 link, an MSSP for SPI/I2C peripherals, and -40C to +125C industrial temperature rating. The 7KB Flash and 256 bytes of EEPROM allow on-module configuration storage without external memory. According to Microchip's PIC16F176x family documentation, the high-current I/O can drive relays and small solenoids directly. Compared with a PIC16F1716, the PIC16F1768 adds zero-cross detect and 10-bit DAC, enabling panel-mount AC/DC hybrid designs. Use proper isolation and TVS protection on exposed I/O pins.
Recommended
Low-Power IoT End Node
The PIC16F1768-E/SS works as a low-power IoT end node because its XLP (eXtreme Low Power) technology supports deep-sleep currents in the nA range with peripheral wake-up via zero-cross detect, ADC threshold, or op-amp comparator. At 2.4V minimum VDD the MCU runs directly from a single Li-ion cell or two AA batteries. The 32MHz wake-up time is sub-10us from sleep, enabling duty-cycled sensing applications. Per Microchip's XLP documentation, the PIC16F1768's integrated op-amps can also serve as wake-up comparators, removing external components. Compared with a PIC16F1716, the PIC16F1768's lower sleep current and integrated analog save 1-2 ICs in a battery-powered sensor node.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F1768-E/SS β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1765-I/SS | PIC16F1764-I/SS | PIC16F1713-I/SS | PIC16F15354-I/SS |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 20-SSOP | 20-SSOP - same | 20-SSOP - same | 20-SSOP - same | 20-SSOP - same |
| Flash Memory | 7 KB | 7 KB | 4 KB (-43%) | 7 KB | 7 KB |
| RAM | 512 bytes | 512 bytes | 512 bytes | 512 bytes | 512 bytes |
| EEPROM | 256 bytes | 256 bytes | 256 bytes | 256 bytes | 256 bytes |
| On-chip Op-Amps | 2 | 0 (-100%) | 2 | 1 (-50%) | 1 (-50%) |
| Zero-Cross Detect | Yes | Yes | Yes | No | No |
| 10-bit DAC | Yes | Yes | Yes | Yes | Yes |
| Maximum CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Voltage Range | 2.4V to 5.5V | 2.4V to 5.5V | 2.4V to 5.5V | 2.4V to 5.5V | 2.4V to 5.5V |
Key Differentiators
- Largest Flash memory in the PIC16F176x family at 7KB (vs PIC16F1764-I/SS)
- Two on-chip op-amps reduce external analog IC count (vs PIC16F1713-I/SS)
- Integrated zero-cross detect for AC dimming (vs PIC16F15354-I/SS)
- 10-bit DAC enables analog output without external IC (vs PIC16F1618-E/SS)
Design Notes
Place a 100nF ceramic decoupling capacitor within 5mm of VDD (pin 11) and a bulk 1uF-10uF capacitor near the MCU power pins. For battery-powered designs using XLP sleep modes, add a 100kohm external MCLR pull-up to avoid leakage through the internal pull-up. The 2.4V minimum VDD requires a boost converter or two AA cells in series when operating below 2.4V. Decoupling effectiveness should be verified with a near-field probe or by checking the ADC SNR floor during op-amp operation.
The PIC16F1768-E/SS in 20-SSOP dissipates less than 100mW under normal operation. In high-current I/O applications driving 25mA per pin, total die power rises proportionally. Estimate: with 4 pins at 25mA sourcing, additional power is ~150mW at 5V, raising junction temperature by approximately 30C above ambient per Microchip's thermal model. Use copper pours on VDD/GND and consider thermal vias under the exposed pad (none on this SSOP). Keep ambient temperature below 85C for reliable continuous high-current operation.
Route the high-current I/O traces (RA0-RA2, RA4-RA7) with 0.5mm-1mm copper width for 100-200mA loads, separating analog and digital grounds to avoid ADC noise coupling. Place the 20-SSOP on a 0.65mm pitch land pattern with thermal relief spokes for hand soldering or hot-air rework. According to Microchip's analog design guidelines, keep the on-chip op-amp input traces short and shielded with ground pours to avoid switching noise injection. For mixed-signal designs, use a single ground plane with strategic partitioning at the ADC reference pin.
Do not leave MCLR floating: configure it as RE3 in the configuration word or tie to VDD through a 10kohm resistor to avoid unintended resets. The on-chip op-amps share pins with PORTC, so enabling an op-amp disables the corresponding digital I/O. According to Microchip's PIC16F176x errata and family documentation, the DAC output is not buffered when driving high-capacitance loads β add an external buffer for >1nF loads. Always clear the CCP and PWM interrupts before entering sleep to avoid false wake-ups.
Route the ICSPDAT/ICSPCLK signals on dedicated test pads away from high-current traces to allow in-circuit programming without isolation. The zero-cross detect input should be AC-coupled and clamped to within VDD/GND with a high-impedance resistor divider. According to Microchip's development tool documentation, leave a 6-pin header footprint for PICkit 4 / MPLAB Snap debuggers. For SSOP packages, use a fine-pitch stencil (0.15mm thickness) for reflow assembly to prevent solder bridges on adjacent pins.
Compliance Information
RoHS and lead-free per Microchip product page. AEC-Q100 not qualified (use automotive-grade PIC part numbers for vehicle applications). Halogen-free status not specified in provided data.
