PIC16C54C-04I/SO Microchip Integrated Circuit (Small Outline Packages) In Stock
The PIC16C54C-04I/SO is an 8-bit RISC microcontroller from Microchip in an 18-pin SOIC package, featuring a 4 MHz maximum clock, one-time-programmable ROM, and 25mA I/O sink capability for simple embedded control tasks. From $2.10, in stock, worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 18
- Lifecycle
- NOT RECOMMENDED
- Datasheet
- PIC16C54C-04I/SO Datasheet PDF
- Category
- Integrated Circuit
- 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 RISC core with one-time-programmable (OTP) program memory enabling low-cost high-volume production for dedicated embedded control applications
- Maximum 4 MHz clock frequency with 12 single-word instructions for straightforward fixed-function embedded logic and I/O control
- 12 bidirectional I/O pins with 25mA sink current capability, supporting direct LED drive and peripheral interfacing without external buffers
- Compact 18-pin SOIC surface-mount package enabling small PCB footprint in appliance controls, toys, and simple sensor interface designs
Applications
The PIC16C54C-04I/SO is used in simple embedded control applications such as home appliance controllers, consumer electronics, toy logic boards, and sensor interface circuits where a low-cost fixed-function microcontroller with minimal peripherals is sufficient. Its OTP program memory makes it ideal for high-volume production runs of dedicated single-purpose devices where firmware updates are not required after manufacturing. The device is also found in legacy industrial control and instrumentation systems where the PIC16 architecture was established and replacement parts are needed for maintenance.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-18 |
| Factory Lead Time | 5Weeks |
| Date Of Intro | 1990-01-01 |
| 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 |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 25 |
| RAM (words) | 25 |
| ROM (words) | 512 |
| ROM Programmability | OTPROM |
| Speed | 4MHz |
| Supply Current-Max | 2.4mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 5V |
| Supply Voltage-Nom | 5V |
| 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
Compatible alternatives and drop-in replacements for PIC16C54C-04I/SO:
RISC Microcontroller, 8-Bit, OTPROM, PIC16 CPU, 4MHz, CMOS, PDSO18
Frequently Asked Questions
What type of program memory does the PIC16C54C-04I/SO use?
The PIC16C54C-04I/SO uses one-time-programmable (OTP) program memory, meaning the firmware is written once during manufacturing and cannot be erased or reprogrammed. This makes it suitable for high-volume production of dedicated single-function devices but not for applications requiring field firmware updates.
What is the maximum clock frequency of the PIC16C54C-04I/SO?
The PIC16C54C-04I/SO supports a maximum clock frequency of 4 MHz. With the PIC16 12-instruction RISC architecture executing one instruction per 4 clock cycles, this yields a maximum instruction throughput of 1 MIPS, which is sufficient for simple timing, control, and I/O management tasks.
What package does the PIC16C54C-04I/SO come in, and how many I/O pins does it have?
The PIC16C54C-04I/SO is housed in an 18-pin SOIC (Small Outline Integrated Circuit) package. It provides 12 bidirectional I/O pins capable of sinking up to 25mA each, enabling direct LED driving and interface to low-power peripherals without needing external current buffers.
Does the PIC16C54C-04I/SO have an ADC or UART?
No, the PIC16C54C-04I/SO does not include an analog-to-digital converter (ADC), hardware UART, or SPI/I2C peripherals. It is a simple 8-bit microcontroller with digital I/O, a timer, and a watchdog timer — designed for straightforward fixed digital control tasks rather than analog sensing or serial communication.
What are modern alternatives to the PIC16C54C-04I/SO for new designs?
For new designs, Microchip recommends the PIC12F series (such as PIC12F508 or PIC12F629) or the PIC16F series (such as PIC16F54) as functional upgrades, offering flash-reprogrammable memory, more peripheral options, and extended temperature grades. These alternatives maintain PIC architecture compatibility while providing greater design flexibility than the OTP-based PIC16C54C.
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