PIC16C622A-04/SO Microchip Integrated Circuit (Small Outline Packages) In Stock
Microchip PIC16C622A-04/SO is an 8-bit EPROM-based microcontroller running up to 4 MHz, housed in an 18-pin SOIC package. It features 128 bytes RAM, 2 KB EPROM, and on-chip comparators for embedded control tasks. Available from stock worldwide with competitive pricing.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 18
- Lifecycle
- ACTIVE
- Datasheet
- N/A
- Category
- Integrated Circuit
- Price
- From $0.5103(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 core with 4 MHz maximum clock frequency for reliable low-speed embedded control
- EPROM-based program memory (2 KB) enabling field-programmable development and prototyping
- Dual on-chip analog comparators without ADC, reducing external component count in signal-detect designs
Applications
The PIC16C622A-04/SO is well suited for simple embedded control applications such as sensor threshold detection, relay drivers, and low-speed industrial automation. Its dual analog comparators make it ideal for battery monitoring and voltage supervisory circuits. The compact 18-pin SOIC footprint fits space-constrained PCB designs in consumer electronics and appliance control.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-18 |
| Factory Lead Time | 11Weeks |
| 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 |
| JESD-30 Code | R-PDSO-G18 |
| JESD-609 Code | e3 |
| Number of I/O Lines | 13 |
| Number of Timers | 1 |
| On Chip Program ROM Width | 8 |
| 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) | 128 |
| ROM (words) | 2048 |
| ROM Programmability | OTPROM |
| Speed | 4MHz |
| Supply Current-Max | 2mA |
| Supply Voltage-Max | 6V |
| Supply Voltage-Min | 3V |
| Supply Voltage-Nom | 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 PIC16C622A-04/SO:
RISC Microcontroller, 8-Bit, OTPROM, PIC16 CPU, 4MHz, CMOS, PDSO18
RISC Microcontroller, 8-Bit, OTPROM, PIC CPU, 4MHz, CMOS, PDSO18
Frequently Asked Questions
What is the maximum clock frequency supported by the PIC16C622A-04/SO?
The PIC16C622A-04/SO supports a maximum clock frequency of 4 MHz. This low-speed operation is well matched to simple control loops, threshold monitoring, and relay-drive tasks that do not require high computational throughput, helping minimize electromagnetic interference in sensitive analog environments.
How many analog comparators does the PIC16C622A-04/SO include, and how does this benefit circuit design?
The device integrates 2 on-chip analog comparators operating from a 2 V to 6 V supply rail, eliminating the need for external comparator ICs in voltage-threshold detection designs. This reduces BOM cost and board space, making it practical for battery-supervision circuits and over-voltage alarm applications with tight area budgets.
When is the PIC16C622A-04/SO a suitable alternative to a microcontroller with an integrated ADC?
The PIC16C622A-04/SO is appropriate when the design only requires binary go/no-go comparisons rather than multi-bit analog measurements. With 2 KB EPROM and 128 bytes RAM in an 18-pin SOIC package, it delivers the necessary compute for threshold-detect tasks at lower unit cost than 8-bit ADC-equipped variants, provided no digitized voltage readings are needed.
What program memory type does the PIC16C622A-04/SO use, and what does that mean for production programming?
The PIC16C622A-04/SO uses 2 KB EPROM program memory, which is one-time-writable in production unless UV-erasure is available. For volume manufacturing this means devices must be pre-programmed before sealing; for prototyping it allows iterative programming under a UV eraser within the typical 15-minute erase time, giving flexibility during development before committing to a final firmware image.
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+ | $0.5103 | $0.51 |
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.”