Overview
The CD74HC02M, produced by Harris Corporation (now part of Texas Instruments), is a high-speed CMOS logic integrated circuit. This device is part of the 74HC series, known for its low power consumption and high speed. The CD74HC02M contains four independent 2-input NOR gates, each performing the Boolean function Y = A + B in positive logic.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package Type | SOIC (14-pin) | |
| Body Size | 8.65 mm × 3.90 mm | |
| Supply Voltage (VCC) | 2 V to 6 V | V |
| Operating Temperature Range | -55°C to +125°C | °C |
| Input Type | Buffered inputs | |
| Load Capacitance | ≤ 50 pF | pF |
| Fanout | Up to 10 LSTTL loads |
Key Features
- High-speed CMOS logic with low power consumption.
- Wide operating voltage range: 2 V to 6 V.
- Wide operating temperature range: -55°C to +125°C.
- Buffered inputs for improved signal integrity.
- Supports fanout up to 10 LSTTL loads.
- Significant power reduction compared to LSTTL logic ICs.
Applications
- Alarm and tamper detect circuits.
- S-R latch circuits.
- General logic functions in digital systems.
- Where low power consumption and high speed are required.
Q & A
- What is the CD74HC02M?
The CD74HC02M is a high-speed CMOS logic integrated circuit containing four independent 2-input NOR gates.
- Who is the manufacturer of the CD74HC02M?
The CD74HC02M is produced by Harris Corporation, now part of Texas Instruments.
- What is the package type of the CD74HC02M?
The CD74HC02M comes in a 14-pin SOIC package.
- What is the operating voltage range of the CD74HC02M?
The operating voltage range is from 2 V to 6 V.
- What is the operating temperature range of the CD74HC02M?
The operating temperature range is from -55°C to +125°C.
- What is the maximum load capacitance the CD74HC02M can drive?
The CD74HC02M can drive a load with a total capacitance less than or equal to 50 pF.
- What is the fanout capability of the CD74HC02M?
The CD74HC02M supports fanout up to 10 LSTTL loads.
- What are some common applications of the CD74HC02M?
Common applications include alarm and tamper detect circuits, S-R latch circuits, and general logic functions in digital systems.
- Why is the CD74HC02M preferred over LSTTL logic ICs?
The CD74HC02M is preferred due to its significant power reduction compared to LSTTL logic ICs.
- What are the key features of the CD74HC02M?
Key features include high-speed CMOS logic, low power consumption, wide operating voltage and temperature ranges, and buffered inputs.
