PIC16C620A-04/P Microchip Integrated Circuit (Dual-In-Line Packages) In Stock
Microchip PIC16C620A-04/P is an 8-bit PIC16 OTP microcontroller in an 18-pin DIP package. It runs at up to 4 MHz and includes 18 I/O pins with no ADC, targeting simple logic and control tasks. Available in through-hole DIP format for legacy and educational embedded designs.
- Manufacturer
- Microchip
- Package
- Dual-In-Line Packages
- Pin Count
- 18
- Lifecycle
- ACTIVE
- Datasheet
- PIC16C620A-04/P Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.6416(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 OTP architecture running at up to 4 MHz for straightforward low-speed digital control applications
- 18-pin PDIP through-hole package enables easy breadboard prototyping and socket-based field replacement in legacy systems
- Low power CMOS design supports battery-operated applications with minimal standby current consumption
- Simple instruction set with 35 single-word instructions for fast firmware development and code-efficient implementations
Applications
The PIC16C620A-04/P suits simple consumer appliance control, educational microcontroller projects, and low-cost industrial timer or relay driver circuits where minimal I/O and basic digital logic are sufficient. Its OTP (One-Time Programmable) Flash makes it appropriate for high-volume production runs of fixed-function products like remote controls and electronic locks. Legacy equipment maintenance and field replacement scenarios also benefit from its standard 18-pin DIP form factor.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | PDIP-18 |
| Factory Lead Time | 6Weeks |
| 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-PDIP-T18 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of External Interrupts | 1 |
| Number of I/O Lines | 13 |
| Number of Timers | 3 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 14 |
| PWM Channels | NO |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP18,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 96 |
| ROM (words) | 512 |
| ROM Programmability | OTPROM |
| Speed | 40MHz |
| Supply Current-Max | 7mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 5V |
| Supply Voltage-Nom | 5V |
| Surface Mount | NO |
| Technology | CMOS |
| Temperature Grade | COMMERCIAL |
| 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) |
| ECCN | EAR99 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PIC16C620A-04/P:
RISC Microcontroller, 8-Bit, OTPROM, PIC16 CPU, 4MHz, CMOS, PDIP18
RISC Microcontroller, 8-Bit, OTPROM, PIC16 CPU, 40MHz, CMOS, PDIP18
RISC Microcontroller, 8-Bit, OTPROM, PIC16 CPU, 4MHz, CMOS, PDIP18
Frequently Asked Questions
What is the maximum clock frequency of PIC16C620A-04/P and how does that limit its application scope?
The PIC16C620A-04/P runs at a maximum clock frequency of 4 MHz, limiting it to low-speed digital control tasks. At 4 MHz with a 4-cycle instruction fetch, the effective instruction rate is 1 MIPS, which is adequate for relay driving, LED sequencing, and simple protocol generation but insufficient for audio processing or high-speed communication at rates above 115200 baud.
Does PIC16C620A-04/P include an ADC, and what alternatives should designers use for analog sensing?
No, the PIC16C620A-04/P does not include an ADC, so analog sensing requires an external ADC chip connected via GPIO or serial interface. Designers needing on-chip ADC should consider PIC16F628A or PIC16F877A which offer 10-bit ADC channels while remaining in the same PIC16 family with compatible development tools.
What is OTP memory in PIC16C620A-04/P and how does it affect production programming?
OTP stands for One-Time Programmable memory, meaning the program Flash in PIC16C620A-04/P can only be written once and cannot be erased or reprogrammed. This reduces unit cost compared to EPROM or Flash-erasable variants and suits high-volume production where firmware is finalized before manufacturing, but requires complete design verification before committing to mass programming of parts.
Why choose the 18-pin PDIP package of PIC16C620A-04/P for legacy or educational designs?
The 18-pin PDIP (Plastic Dual Inline Package) with 2.54mm pin pitch fits directly into breadboards and standard IC sockets, making it ideal for educational labs, prototype builds, and servicing legacy equipment. Compared to SMD variants, it requires no reflow soldering equipment, allowing students and field technicians to work with basic through-hole PCBs and standard 18-pin DIP sockets.
Related Guides
How to Choose a BAS70 Schottky Diode for Signal Clamping: Selection Guide
A practical BAS70KFILM and BAS70-family Schottky diode selection guide for signal clamping, RF detection, leakage, and topology choices.
Jul 4, 2026
AMC1202DWVR Design Guide for Isolated Current Sensing
Practical AMC1202DWVR design guide covering shunt sizing, isolation layout, input filtering, ADC scaling, and sourcing choices.
Jul 4, 2026
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
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+ | $2.0500 | $2.05 |
| 20+ | $1.8240 | $36.48 |
| 50+ | $1.7146 | $85.73 |
| 150+ | $1.6416 | $246.24 |
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.”