PIC16C74A-20/P Microchip Integrated Circuit (Dual-In-Line Packages) In Stock
The PIC16C74A-20/P is an 8-bit CMOS microcontroller from Microchip's PIC16 family operating at up to 20 MHz. It features 4 KB of OTP program memory, 192 bytes of RAM, an 8-channel 8-bit ADC, and 33 I/O pins in a 40-pin DIP package. Available worldwide with industrial-grade temperature performance.
- Manufacturer
- Microchip
- Package
- Dual-In-Line Packages
- Pin Count
- 40
- Lifecycle
- NOT RECOMMENDED
- Datasheet
- PIC16C74A-20/P Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $9.6500(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 CMOS core running at up to 20 MHz for versatile embedded control tasks
- 8-channel 8-bit ADC enables direct analog sensor acquisition without external converter ICs
- 33 I/O pins in a 40-pin PDIP package provide ample connectivity for peripheral-rich applications
- Hardware SPI, I2C (SSP), and two UART modules integrated for multi-protocol communication
Applications
The PIC16C74A-20/P suits industrial control panels, motor controllers, and sensor data acquisition systems that require 8-channel analog input alongside 33 digital I/O pins. Its 20 MHz speed and integrated SSP and UART peripherals enable communication with displays, sensors, and host systems in embedded designs. The device is also used in consumer electronics, medical monitoring equipment, and home automation controllers where a cost-effective 8-bit OTP microcontroller meets design requirements.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | PDIP-40 |
| Date Of Intro | 1990-01-01 |
| YTEOL | 3 |
| Has ADC | YES |
| 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-T40 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of External Interrupts | 1 |
| Number of I/O Lines | 33 |
| Number of Serial I/Os | 1 |
| Number of Timers | 5 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 14 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP40,.6 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Qualification Status | Not Qualified |
| RAM (bytes) | 192 |
| ROM (words) | 4096 |
| ROM Programmability | OTPROM |
| Speed | 20MHz |
| Supply Current-Max | 20mA |
| 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 PIC16C74A-20/P:
RISC Microcontroller, 8-Bit, OTPROM, PIC16 CPU, 20MHz, CMOS, PDIP40
Frequently Asked Questions
How many analog input channels does the PIC16C74A-20/P support and what is their resolution?
The PIC16C74A-20/P integrates an 8-channel, 8-bit ADC allowing direct connection of up to 8 analog sensors without external ADC chips. Operating at up to 20 MHz, the device can perform analog conversions quickly enough for most sensor polling applications, making it suitable for temperature, pressure, and light intensity monitoring systems.
What communication interfaces are built into the PIC16C74A-20/P for external device connectivity?
The PIC16C74A-20/P includes a hardware SSP module supporting SPI and I2C protocols, plus two UART modules for asynchronous serial communication. This allows simultaneous connection to SPI-based displays or memory, I2C sensors, and a serial host interface within a single 40-pin PDIP device running at 20 MHz.
For which embedded control applications does the PIC16C74A-20/P provide a practical solution?
This microcontroller is well suited for industrial motor control, HVAC equipment, data loggers, and laboratory instruments requiring 33 I/O pins and 8-channel analog input in a single device. Its 40-pin DIP package supports through-hole prototyping and production assembly, and the 4 KB OTP flash is adequate for medium-complexity control firmware running at 20 MHz.
What are the memory specifications and operating voltage of the PIC16C74A-20/P?
The PIC16C74A-20/P provides 4 KB of OTP program memory and 192 bytes of data RAM, supporting control applications of moderate code complexity. The device operates from a 4V to 5.5V supply rail and maintains operation across a temperature range of -40°C to +85°C for industrial deployments, ensuring reliable performance in demanding environments.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $11.6400 | $11.64 |
| 5+ | $11.6224 | $58.11 |
| 20+ | $10.8960 | $217.92 |
| 100+ | $10.6200 | $1062.00 |
| 1000+ | $10.0100 | $10010.00 |
| 5000+ | $9.6500 | $48250.00 |
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