Overview
The SN74HC393DR, manufactured by Texas Instruments, is a dual 4-bit binary counter integrated circuit designed for high-performance digital applications. This device is part of the 74HC series, known for its CMOS technology, offering low power consumption and high noise immunity. The SN74HC393DR is widely used in digital logic circuits, including frequency dividers, counters, and sequence generators. Its compact SOIC-14 package and robust specifications make it suitable for various industrial, automotive, and consumer electronics applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Installation Type | SMT | - | Surface Mount Technology |
| Pin Count | 14 | Pin | - |
| Height | 1.75 | mm | - |
| Dimensions | 8.65 x 3.90 | mm | Length x Width |
| Certification | RoHS | - | Compliant |
| Country of Origin | America | - | - |
| Operating Temperature | -40 to +85 | °C | - |
| Moisture Sensitivity Level (MSL) | 1 | - | Unlimited |
| Lead-Free | Yes | - | - |
| Logic Type | Binary Counter | - | - |
| Count Direction | Up | - | - |
| Bits per Element | 4 | - | - |
| Trigger Type | Negative Edge | - | - |
| Maximum Count Frequency | 36 | MHz | - |
| Supply Voltage | 2 to 6 | V | - |
| Package/Case | SOIC-14 | - | - |
Key Features
- Dual 4-bit binary counters in a single package.
- Supports high-speed counting up to 36 MHz.
- Wide operating voltage range of 2V to 6V.
- Low power consumption and high noise immunity.
- Compact SOIC-14 package for space-constrained designs.
- Asynchronous reset functionality for flexible control.
Applications
The SN74HC393DR is ideal for a variety of digital logic applications, including frequency division, event counting, and sequence generation. It is commonly used in industrial automation, automotive electronics, and consumer devices such as digital clocks, timers, and control systems. Its robust design and high reliability make it suitable for demanding environments where precision and durability are critical.
Q & A
1. What is the maximum count frequency of the SN74HC393DR?
The maximum count frequency is 36 MHz.
2. What is the operating voltage range?
The operating voltage range is 2V to 6V.
3. Does the SN74HC393DR support lead-free assembly?
Yes, it is lead-free and RoHS compliant.
4. What is the package type of the SN74HC393DR?
It comes in an SOIC-14 package.
5. What is the count direction of this device?
The count direction is up.
6. What is the operating temperature range?
The operating temperature range is -40°C to +85°C.
7. How many bits does each counter handle?
Each counter handles 4 bits.
8. Is the SN74HC393DR suitable for high-noise environments?
Yes, it features high noise immunity.
9. What is the trigger type for counting?
It uses a negative edge trigger.
10. What are the typical applications of the SN74HC393DR?
Typical applications include frequency dividers, counters, and sequence generators.
