PIC16F1778-I/SP Microchip Integrated Circuit (Dual-In-Line Packages) In Stock
The PIC16F1778-I/SP is an 8-bit PIC microcontroller from Microchip with 28KB Flash and a 32MHz maximum clock in a 28-pin SPDIP package. It integrates ADC, DAC, and multiple PWM channels for mixed-signal embedded control. Suitable for motor control, power conversion, and sensor interfacing applications.
- Manufacturer
- Microchip
- Package
- Dual-In-Line Packages
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- PIC16F1778-I/SP Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.2300(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 28KB onboard Flash program memory with 32MHz max clock for capable 8-bit embedded control
- Integrated ADC and multi-channel DAC enable mixed-signal designs without external converters
- Multiple PWM output channels support motor drive, LED dimming, and power conversion topologies
- 28-pin SPDIP through-hole package simplifies prototyping and replacement in legacy system boards
Applications
The PIC16F1778-I/SP is used in power supply control, brushed DC motor drives, and multi-channel LED lighting systems where the integrated PWM, ADC, and DAC peripherals reduce external component count. Its 28KB Flash accommodates PID control loops, communication protocol drivers, and calibration tables within a single 8-bit device. The 28-pin SPDIP format supports both breadboard prototyping and cost-efficient production assembly with through-hole insertion.
Specifications
| Manufacturer Package Code | SPDIP-28 |
| Factory Lead Time | 6Weeks |
| YTEOL | 14 |
| Has ADC | YES |
| Bit Size | 8 |
| Boundary Scan | NO |
| CPU Family | PIC16 |
| Clock Frequency-Max | 32MHz |
| DAC Channels | YES |
| DMA Channels | NO |
| Format | FIXED POINT |
| Integrated Cache | NO |
| JESD-30 Code | R-PDIP-T28 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of External Interrupts | 1 |
| Number of I/O Lines | 25 |
| Number of Timers | 10 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP28,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| RAM (bytes) | 2048 |
| ROM (words) | 28672 |
| ROM Programmability | FLASH |
| Speed | 32MHz |
| Supply Current-Max | 250mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 3V |
| Supply Voltage-Nom | 3V |
| Surface Mount | NO |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| ## PIC16F1778-I/SP Alternates Showing results | Image |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PIC16F1778-I/SP:
suggested
suggested
suggested
7KB Flash, 512B RAM, HEF, HS Comp, 10b/5bDAC, OpAmp, COG, ZCD, PRG, CLC, HLT
RISC Microcontroller, 8-Bit, FLASH, PIC16 CPU, 32MHz, CMOS, PDIP28
28-pin, 28KB Flash, 2KB RAM, 256 EEPROM, 12-bit DAC, 5-bit DAC, PSMC, OPAmp,
4K Word Flash, 512B RAM, High-Speed Comp, 10-bit ADC, 2 OPAmp, 5 and 8 bit DAC,
RISC Microcontroller, 8-Bit, FLASH, PIC16 CPU, 32MHz, CMOS, PDIP28
RISC Microcontroller, 8-Bit, FLASH, PIC16 CPU, 32MHz, CMOS, PDIP28
Frequently Asked Questions
How much Flash memory does the PIC16F1778-I/SP include, and what tasks can comfortably fit within it?
The PIC16F1778-I/SP provides 28KB of Flash program memory, which is generous for an 8-bit microcontroller. It comfortably accommodates a PID control algorithm, a UART or SPI communication stack, lookup tables for linearizing sensor readings, and a simple state machine for power management, all within a single device without external program memory.
Which analog peripherals on the PIC16F1778-I/SP eliminate external components in a sensor-to-actuator design?
The PIC16F1778-I/SP integrates an ADC for reading analog sensor voltages, a DAC for generating reference or control output signals, and multiple PWM channels for driving actuators such as motors or switching power converters. Together, these 3 peripheral types replace discrete ADC, DAC, and PWM ICs, reducing BOM cost and PCB area in compact control board designs.
For a motor-drive application running at 32MHz, how does the PIC16F1778-I/SP compare to lower-clock 8-bit devices?
At 32MHz maximum clock, the PIC16F1778-I/SP executes up to 8 MIPS of single-cycle instructions, which is sufficient for real-time current sensing, PID loop updates at rates above 10kHz, and communication protocol handling simultaneously. Lower-clock 8-bit devices at 8MHz or 16MHz may not meet timing margins for fast inner control loops in brushed or stepper motor applications.
Is the 28-pin SPDIP package of the PIC16F1778-I/SP interchangeable with SOIC-28 for production board transitions?
The 28-pin SPDIP is a through-hole package with 2.54mm pitch, while SOIC-28 is a surface-mount package with 1.27mm pitch; they are not pin-for-pin footprint compatible on the same PCB. However, Microchip offers the PIC16F1778 in SOIC-28 and other SMD variants sharing the same firmware-compatible die, enabling a production board transition by updating only the PCB footprint and package variant in the BOM.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $3.2400 | $3.24 |
| 30+ | $2.9800 | $89.40 |
| 100+ | $2.6900 | $269.00 |
| 1000+ | $2.4900 | $2490.00 |
| 2505+ | $2.2400 | $5611.20 |
| 5010+ | $2.2300 | $11172.30 |
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