PIC16C620-04/P Microchip Integrated Circuit (Dual-In-Line Packages) In Stock
The PIC16C620-04/P is an 8-bit CMOS EPROM microcontroller from Microchip's PIC16 family running up to 4 MHz with 18 pins in a DIP package. It integrates 512 bytes of program memory, 80 bytes of RAM, and multiple I/O ports. Available worldwide for legacy embedded control applications in industrial and consumer electronics.
- Manufacturer
- Microchip
- Package
- Dual-In-Line Packages
- Pin Count
- 18
- Lifecycle
- ACTIVE
- Datasheet
- PIC16C620-04/P Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.1000(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 core running up to 4 MHz clock frequency
- 512 bytes of EPROM program memory for field-programmable designs
- 80 bytes of RAM data memory for compact embedded applications
- 18-pin PDIP package enabling easy prototyping and through-hole assembly
- CMOS technology for low-power operation across 2.5V to 6V supply range
- On-chip oscillator options including RC and crystal configurations
Applications
The PIC16C620-04/P suits cost-sensitive embedded control tasks such as appliance controllers, simple sensor interfaces, and automotive accessory modules where 8-bit performance at up to 4 MHz is sufficient. Its 18-pin PDIP form factor makes it accessible for prototyping and small-volume production on through-hole PCBs. The EPROM program memory allows one-time field programming for firmware customisation in legacy system maintenance.
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 | 20MHz |
| 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) | 80 |
| ROM (words) | 512 |
| ROM Programmability | OTPROM |
| Speed | 4MHz |
| Supply Current-Max | 3.3mA |
| 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) |
| HTS Code | 8542.31.00.15 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PIC16C620-04/P:
RISC Microcontroller, 8-Bit, OTPROM, PIC16 CPU, 4MHz, CMOS, PDIP18
RISC Microcontroller, 8-Bit, OTPROM, PIC16 CPU, 4MHz, CMOS, PDIP18
Frequently Asked Questions
What are the memory resources inside the PIC16C620-04/P and how do they limit firmware complexity?
The PIC16C620-04/P contains 512 bytes of EPROM program memory and 80 bytes of RAM data memory. These 8-bit resources constrain firmware to simple sequential control tasks, sensor reading loops, or state machines. Developers targeting larger applications should consider PIC16F devices that offer 4 KB to 8 KB of Flash program memory.
At what maximum clock frequency does the PIC16C620-04/P operate, and what instruction throughput does that yield?
The PIC16C620-04/P runs at a maximum clock frequency of 4 MHz. Because the PIC16 architecture executes most instructions in 4 clock cycles, this yields 1 MIPS throughput. For time-critical routines the 4 MHz limit determines the minimum achievable loop period, typically around 1 µs per single-cycle instruction.
When is the PIC16C620-04/P a practical choice versus a modern PIC16F device for a legacy system repair?
The PIC16C620-04/P uses a one-time-programmable EPROM that cannot be erased in circuit, making it suitable only when the firmware is proven and production quantities are small. Modern PIC16F Flash devices offer 10,000 erase-write cycles and larger memory, but the 18-pin PDIP footprint of the PIC16C620-04/P is pin-compatible for direct board-level replacements in equipment manufactured since the 1990s.
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