PIC16C505-20I/P Microchip Integrated Circuit (Dual-In-Line Packages) In Stock
The PIC16C505-20I/P is an 8-bit PIC16 microcontroller from Microchip with up to 20 MHz clock, OTP program memory, and 12 I/O pins in a 14-pin PDIP package, suitable for simple low-cost embedded control tasks such as appliance timers, motor sequencing, and sensor interface logic.
- Manufacturer
- Microchip
- Package
- Dual-In-Line Packages
- Pin Count
- 14
- Lifecycle
- NOT RECOMMENDED
- Datasheet
- PIC16C505-20I/P Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.4196(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of PIC16C505-20I/P?
- 8-bit PIC16 RISC core running up to 20 MHz
- OTP (One-Time Programmable) Flash for cost-sensitive high-volume production
- 12 available I/O pins for GPIO-intensive simple control tasks
- 14-pin PDIP package enabling easy breadboard prototyping
- Low-power sleep mode for battery-operated sensing applications
- Wide operating voltage range from 2.0 V to 6.0 V
What is PIC16C505-20I/P used for?
The PIC16C505-20I/P is used in low-cost appliance control, toy electronics, and simple timer or sequencer circuits where minimal pin count and OTP memory reduce unit cost in high-volume production. Its 14-pin PDIP format is breadboard compatible, making it a common choice for classroom and hobbyist projects requiring basic I/O toggling and simple state machines. The device also appears in motor speed controllers and LED dimmer circuits that need only a handful of digital I/O lines and no ADC.
What are the specifications of PIC16C505-20I/P?
| Pbfree Code | Yes |
| Manufacturer Package Code | PDIP-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-PDIP-T14 |
| 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 | DIP14,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| 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 | 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 |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| HTS Code | 8542.31.00.15 |
| Country of Origin | Thailand |
Where can I find the PIC16C505-20I/P datasheet?
PIC16C505-20I/P Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for PIC16C505-20I/P?
Compatible alternatives and drop-in replacements for PIC16C505-20I/P:
Frequently Asked Questions
What is the maximum operating frequency of the PIC16C505-20I/P, and what supply voltage range does it support?
The PIC16C505-20I/P runs at up to 20 MHz and operates across a wide supply range from 2.0 V to 6.0 V. This makes it compatible with both 3.3 V and 5 V system logic, and allows direct operation from two AA batteries in portable consumer devices without a voltage regulator.
How does the OTP memory architecture of the PIC16C505-20I/P affect production cost and programming workflow compared to Flash-based MCUs?
OTP (One-Time Programmable) memory eliminates the erase circuitry required in Flash MCUs, reducing die area and cost per unit in high-volume runs of millions of pieces. The trade-off is that firmware must be finalized before programming since the code cannot be erased or updated after the chip leaves the factory, making OTP devices unsuitable for field-upgradeable products.
For a simple 3-phase LED sequencer design, how many usable I/O pins does the PIC16C505-20I/P provide in its 14-pin PDIP package?
The 14-pin PDIP package exposes 12 I/O pins that can independently drive LEDs, relays, or read switch states. For a 3-phase LED sequencer this is more than sufficient, with pins to spare for a mode-select input and a power-indicator output, all in a hand-solderable through-hole package with 0.1-inch lead pitch.
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About Microchip
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More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.9100 | $1.91 |
| 11+ | $1.8000 | $19.80 |
| 50+ | $1.5517 | $77.59 |
| 150+ | $1.4856 | $222.84 |
| 250+ | $1.4196 | $354.90 |
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