Texas Instruments SN74HC20 Dual 4-Input NAND Gates
Texas Instruments SN74HC20 Dual 4-Input NAND Gates contain two independent 4-input NAND gates. Each gate performs the Boolean function Y = /A ● /B ● /C ● /D in positive logic. The Texas Instruments SN74HC20 devices have a wide operating voltage range of 2V to 6V and a broad operating temperature range of -40°C to +85°C.
Features
- Buffered inputs
- Wide operating voltage range of 2V to 6V
- Wide operating temperature range of -40°C to +85°C
- Supports fanout up to 10 LSTTL loads
- Significant power reduction compared to LSTTL logic ICs
Applications
- Alarm/tamper detect circuit
- S-R latch
Additional Resources
- Application Note: Designing With Logic
- Application Note: Implications of Slow or Floating CMOS Inputs
- Application Note: Understanding and Interpreting Standard-Logic Data Sheets
- Application Note: Using High-Speed CMOS and Advanced CMOS in Systems With Multiple VCC
- Selection Guide: Logic Guide
- User Guide: LOGIC Pocket Data Book
Functional Block Diagram
Development Tool
Texas Instruments 14-24-LOGIC-EVM Logic Evaluation Module (EVM)
Generic evaluation module developed to support any TI logic leaded device in a 14 to 24 pin count.
Published: 2025-05-06
| Updated: 2025-05-13