PIC16C505-20/SL Microchip Integrated Circuit (Small Outline Packages) In Stock
PIC16C505-20/SL is an 8-bit OTP CMOS microcontroller by Microchip with a 20 MHz maximum clock, 1 KB program memory, and 14-pin SOIC package. Key specs: 8-bit PIC16 core, 20 MHz clock, 33 general-purpose I/O pins. Available in stock worldwide with competitive pricing.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 14
- Lifecycle
- NOT RECOMMENDED
- Datasheet
- PIC16C505-20/SL Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.0164(MOQ 1)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 8-bit PIC16 RISC architecture running up to 20 MHz for efficient low-cost control applications
- One-time programmable (OTP) Flash memory for production-locked firmware in high-volume designs
- Low operating voltage range supporting 2 V to 6 V systems including unregulated battery supplies
- 14-pin SOIC package enabling compact board layouts for appliance and consumer control circuits
- Integrated oscillator options reducing external component count and PCB cost
Applications
The PIC16C505-20/SL is designed for simple, cost-sensitive control tasks in consumer electronics, home appliances, and industrial timers where a small 8-bit microcontroller is sufficient. Its OTP program memory and 14-pin SOIC package make it well-suited for high-volume production applications such as remote-control receivers, motor speed controllers, and LED dimming circuits where firmware is fixed at the factory. The wide supply voltage range also allows direct integration into battery-powered toys and small household devices without a dedicated voltage regulator.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-14 |
| Factory Lead Time | 6Weeks |
| YTEOL | 3 |
| Has ADC | NO |
| Bit Size | 8 |
| Boundary Scan | NO |
| CPU Family | PIC16 |
| Clock Frequency-Max | 20MHz |
| DAC Channels | NO |
| DMA Channels | NO |
| Format | FIXED POINT |
| Integrated Cache | NO |
| JESD-30 Code | R-PDSO-G14 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of I/O Lines | 11 |
| Number of Timers | 2 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 12 |
| PWM Channels | NO |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP14,.24 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Qualification Status | Not Qualified |
| RAM (bytes) | 72 |
| RAM (words) | 72 |
| ROM (words) | 1024 |
| ROM Programmability | OTPROM |
| Screening Level | TS 16949 |
| Speed | 20MHz |
| Supply Current-Max | 16mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 3V |
| Supply Voltage-Nom | 4.5V |
| 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
Compatible alternatives and drop-in replacements for PIC16C505-20/SL:
Frequently Asked Questions
How does the OTP memory architecture of PIC16C505-20/SL affect production programming strategy?
The PIC16C505-20/SL uses one-time programmable memory, meaning each device can be programmed only once before deployment, unlike Flash-based counterparts that allow in-circuit re-programming. This architecture is optimal for high-volume production runs where firmware is finalized and cost per unit is more important than field updateability, typically reducing per-unit memory cost by 20–40% compared to equivalent Flash microcontrollers.
What supply voltage range does PIC16C505-20/SL support, and how does that affect battery selection?
The PIC16C505-20/SL operates across a supply range of 2 V to 6 V, enabling use with two AA alkaline cells nominally at 3 V, a single lithium coin cell at 3 V, or a regulated 5 V rail. Running at 20 MHz requires the higher end of this range, while low-clock-speed operation at 2 V allows battery-operated devices to squeeze extra runtime from deeply discharged cells before the microcontroller stops functioning.
For a home-appliance timer design, how many I/O lines does PIC16C505-20/SL provide in the 14-pin SOIC package?
In the 14-pin SOIC package, the PIC16C505-20/SL provides up to 12 general-purpose I/O pins after accounting for VDD, VSS, and the optional external clock or reset pins. This is sufficient for driving a 7-segment display digit, reading a rotary encoder, and controlling a relay output in a simple appliance timer without requiring port expanders, keeping total BOM component count and board area minimal.
Related Guides
1206 100 uF MLCC Design Guide for Compact Bulk Decoupling
Design guidance for applying CL31A107MQHNNNE and related 1206 MLCCs in compact bulk decoupling networks.
Jul 3, 2026
0402 10 nF MLCC Design Guide for High-Speed Decoupling
Practical design guidance for using CL05B103KB5NNNC and related 0402 MLCCs in high-speed decoupling networks.
Jul 3, 2026
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
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 |
|---|---|---|
| 1+ | $3.6960 | $3.70 |
| 100+ | $1.6600 | $166.00 |
| 501+ | $1.1550 | $578.65 |
| 867+ | $1.0164 | $881.22 |
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.”