Overview
The CD74HCT393ME4 is a dual 4-bit binary ripple counter produced by Texas Instruments. This integrated circuit (IC) belongs to the HCT logic family, which combines the high-speed performance of CMOS technology with the compatibility of TTL input levels. The CD74HCT393ME4 is designed for applications requiring reliable counting and frequency division. Its market positioning targets engineers and designers working in digital systems, embedded systems, and industrial automation. The product stands out for its low power consumption, wide operating voltage range, and robust performance in harsh environments.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Logic Family | HCT | - | High-speed CMOS, TTL compatible |
| Number of Counters | 2 | - | Dual 4-bit counters |
| Supply Voltage | 4.5 to 5.5 | V | Typical 5V operation |
| Operating Temperature | -55 to 125 | °C | Wide temperature range |
| Propagation Delay | 20 | ns | Max at 5V |
| Power Dissipation | 500 | mW | Max |
| Package | SOIC-14 | - | Surface mount |
| Input Compatibility | TTL | - | TTL input levels |
| Output Drive Capability | 10 | LS TTL Loads | High drive capability |
| Mounting Type | Surface Mount | - | SOIC package |
Key Features
- Dual 4-bit counters: Provides two independent 4-bit binary counters in a single package.
- TTL compatibility: Ensures seamless integration with TTL logic systems.
- Low power consumption: Ideal for battery-powered and energy-efficient applications.
- Wide operating voltage range: Supports reliable operation from 4.5V to 5.5V.
- High-speed performance: Features a maximum propagation delay of 20ns at 5V.
- Robust design: Operates reliably in extreme temperatures (-55°C to 125°C).
Applications
The CD74HCT393ME4 is widely used in various digital and embedded systems. Its primary applications include:
- Frequency division: Used in clock dividers and timing circuits.
- Counting operations: Suitable for event counters and digital tally systems.
- Industrial automation: Integrated into control systems for precise counting and timing.
- Consumer electronics: Employed in devices requiring digital logic operations.
- Automotive electronics: Utilized in vehicle control modules for reliable counting functions.
Q & A
1. What is the logic family of the CD74HCT393ME4?
The CD74HCT393ME4 belongs to the HCT logic family, which combines high-speed CMOS with TTL compatibility.
2. What is the supply voltage range for this IC?
The supply voltage range is 4.5V to 5.5V, with a typical operating voltage of 5V.
3. How many counters are included in the CD74HCT393ME4?
It includes two independent 4-bit binary counters.
4. What is the maximum propagation delay of this IC?
The maximum propagation delay is 20ns at 5V.
5. Is the CD74HCT393ME4 compatible with TTL inputs?
Yes, it is fully compatible with TTL input levels.
6. What is the operating temperature range?
The operating temperature range is -55°C to 125°C.
7. What package type does this IC use?
It uses an SOIC-14 surface-mount package.
8. Can this IC be used in automotive applications?
Yes, it is suitable for automotive electronics due to its robust design and wide temperature range.
9. What is the power dissipation of the CD74HCT393ME4?
The maximum power dissipation is 500mW.
10. What are the typical applications of this IC?
Typical applications include frequency division, counting operations, industrial automation, consumer electronics, and automotive electronics.
