PIC16LF1933-I/SO Microchip Integrated Circuit (Small Outline Packages) In Stock
The PIC16LF1933-I/SO is an 8-bit PIC microcontroller with 4KB Flash and 256B RAM in a SOIC-28 package. It integrates an LCD driver and operates from 1.8V to 5.5V at up to 20 MHz. Available from Microchip with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- PIC16LF1933-I/SO Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.5500(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
- 8-bit PIC16 CPU core running up to 20 MHz clock frequency
- Integrated LCD driver for direct display interfacing without external components
- Ultra-low-voltage operation from 1.8V minimum supply for battery-powered designs
- 4KB Flash program memory with 256B RAM and EEPROM data storage
- Built-in ADC and multiple communication peripherals in SOIC-28 package
Applications
The PIC16LF1933-I/SO suits portable consumer electronics requiring LCD display control with minimal external components, such as handheld meters and remote controls. Its 1.8V minimum supply makes it ideal for battery-operated IoT nodes and low-power sensor interfaces. Industrial control panels and home automation devices benefit from its integrated peripherals and compact SOIC-28 footprint.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-28 |
| Factory Lead Time | 5Weeks |
| YTEOL | 9 |
| Has ADC | YES |
| Additional Feature | ALSO OPERATES AT 1.8V MINIMUM SUPPLY FOR 16 MHZ |
| Bit Size | 8 |
| Boundary Scan | NO |
| CPU Family | PIC16 |
| Clock Frequency-Max | 20MHz |
| DAC Channels | YES |
| DMA Channels | NO |
| Format | FIXED POINT |
| Integrated Cache | NO |
| JESD-30 Code | R-PDSO-G28 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of External Interrupts | 1 |
| Number of I/O Lines | 25 |
| Number of Serial I/Os | 1 |
| Number of Timers | 7 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 14 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP28,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 256 |
| ROM (words) | 4096 |
| ROM Programmability | FLASH |
| Screening Level | TS 16949 |
| Speed | 32MHz |
| Supply Current-Max | 5.6mA |
| Supply Voltage-Max | 3.6V |
| Supply Voltage-Min | 2.5V |
| Supply Voltage-Nom | 3.3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the minimum supply voltage for PIC16LF1933-I/SO and why does it matter for battery designs?
The PIC16LF1933-I/SO operates from a 1.8V minimum supply voltage up to 5.5V, enabling direct use with a single lithium cell or two alkaline cells. This 1.8V floor extends battery runtime significantly in portable devices running at up to 20 MHz, reducing the need for boost converters and saving board space.
How many Flash and RAM bytes does the PIC16LF1933-I/SO provide for embedded firmware?
The device includes 4KB of Flash program memory and 256B of RAM data memory, along with EEPROM for non-volatile storage. This capacity supports moderately complex firmware including LCD menu logic, sensor averaging routines, and 8-bit PIC16 instruction processing at up to 20 MHz.
Which display-driven applications benefit most from the integrated LCD driver in PIC16LF1933-I/SO?
Handheld multimeters, utility meters, and thermostat panels are strong fits because the on-chip LCD driver eliminates an external driver IC, reducing BOM cost and PCB area. The SOIC-28 package provides sufficient pins for LCD segment lines, ADC inputs, and UART or I2C communication simultaneously.
When should a designer choose PIC16LF1933-I/SO over a PIC16F1933 without the L designation?
Choose the L-variant when the application must operate below 2.5V, since PIC16LF1933 extends down to 1.8V while the standard PIC16F1933 requires a higher minimum supply. Both run at up to 20 MHz and share the same SOIC-28 pinout, so switching is a drop-in substitution for low-voltage projects.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.5500 | $0.55 |
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