PIC16LC54C-04/SO Microchip Integrated Circuit (Small Outline Packages) In Stock
8-bit PIC16 microcontroller with 768 bytes of program flash, 25 bytes of RAM, 12 I/O pins, and 4 MHz maximum clock frequency in an 18-pin SOIC package. Low-voltage CMOS design with no ADC or DMA, targeting simple control tasks and cost-sensitive embedded applications. Suitable for appliance timers, keypad controllers, and basic sequential logic replacement in low-power 3.3 V systems.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 18
- Lifecycle
- NOT RECOMMENDED
- Datasheet
- PIC16LC54C-04/SO Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.1300(MOQ 336)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 8-bit PIC16 core running up to 4 MHz
- 768 bytes program flash memory
- 25 bytes SRAM for small data storage
- 12 configurable I/O pins
- Low-voltage CMOS operation for 3.3 V systems
- 18-pin SOIC package for easy PCB placement
- Simple instruction set with 33 single-word instructions
Applications
The PIC16LC54C-04/SO suits cost-sensitive, simple control applications such as appliance timers, LED sequencers, motor on/off controllers, and keypad decoders where only 12 I/O pins and 4 MHz processing are needed. Its low-voltage CMOS design and 18-pin SOIC package make it attractive for battery-operated consumer products and portable handheld devices requiring minimal firmware logic. Industrial sensor signal conditioning and basic relay control boards also use it as a low-cost programmable logic replacement.
Specifications
| Pbfree Code | Yes |
| Factory Lead Time | 111Weeks |
| YTEOL | 3 |
| Has ADC | NO |
| Bit Size | 8 |
| Boundary Scan | NO |
| CPU Family | PIC16 |
| Clock Frequency-Max | 4MHz |
| DAC Channels | NO |
| DMA Channels | NO |
| Format | FIXED POINT |
| Integrated Cache | NO |
| JESD-30 Code | R-PDSO-G18 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of I/O Lines | 12 |
| Number of Timers | 1 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 12 |
| PWM Channels | NO |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP18,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Qualification Status | Not Qualified |
| RAM (bytes) | 25 |
| ROM (words) | 512 |
| ROM Programmability | OTPROM |
| Speed | 20MHz |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 5V |
| Supply Voltage-Nom | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| 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
How much program memory and RAM does PIC16LC54C-04/SO provide, and what application complexity does this support?
The PIC16LC54C-04/SO offers 768 bytes of program flash and 25 bytes of SRAM, sufficient for simple state machines, timer-based control loops, and 12-pin I/O sequencing tasks running at up to 4 MHz, but not suitable for applications requiring floating-point math, communication stacks, or large lookup tables.
For a battery-powered LED sequencer running at 3.3 V, how does the PIC16LC54C-04/SO's low-voltage CMOS design help extend battery life?
The low-voltage CMOS architecture of the PIC16LC54C-04/SO reduces dynamic current consumption at 4 MHz compared to standard 5 V NMOS designs, and the 18-pin SOIC package supports minimal external component count, allowing the total circuit to run from a single CR2032 or AA cell for extended periods in standby-heavy duty cycles.
What I/O count does PIC16LC54C-04/SO offer, and is it sufficient for controlling a 3x4 matrix keypad?
The device provides 12 configurable I/O pins, which is exactly sufficient to drive a 3-column by 4-row keypad matrix using 7 pins while reserving the remaining 5 pins for output indicators or a serial communication line, making it a tight but viable fit for simple keypad entry panels in consumer appliances.
When should a designer choose PIC16LC54C-04/SO over a PIC16F series device with ADC for a new design?
The PIC16LC54C-04/SO is appropriate when the application requires only digital I/O control with no analog signal measurement, the firmware logic fits within 768 bytes of flash and 25 bytes of RAM, and the lowest possible unit cost at 4 MHz is the primary constraint, whereas a PIC16F with built-in 10-bit ADC channels would be chosen when analog sensor inputs are needed.
Related Guides
CL31A107MQHNNNE 1206 100 uF MLCC Selection Guide
How to choose CL31A107MQHNNNE and related 1206 MLCCs for low-voltage bulk capacitance and regulator stability.
Jul 2, 2026
CL05B103KB5NNNC 0402 10 nF X7R MLCC Selection Guide
How to choose CL05B103KB5NNNC and related 0402 MLCCs for bypassing, filtering, voltage derating, and sourcing.
Jul 2, 2026
ADAQ7768-1 Design Guide for Precision Vibration and Dynamic Signal Measurement
Design ADAQ7768-1 precision data acquisition channels for vibration and dynamic sensing with the right bandwidth, reference, clock, and layout choices.
Jun 30, 2026
AD5204BRZ10 Design Guide for SPI-Controlled Gain and Offset Calibration
Design AD5204BRZ10 digital potentiometer calibration loops with bounded trim span, safe wiper current, clean SPI routing, and reliable startup codes.
Jun 30, 2026
Why Buy from FindMyChip
About Microchip
Microchip is a leading electronic component manufacturer. FindMyChip sources Microchip ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 336+ | $2.1300 | $715.68 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“FindMyChip sourced our entire STM32 BOM in 48 hours when our usual distributor had 16-week lead times.”