Overview
The 74HCT393PW,112 is a dual 4-bit binary ripple counter produced by Nexperia USA Inc. This integrated circuit is part of the 74HCT series, which is known for its compatibility with TTL (Transistor-Transistor Logic) levels. The device features two independent 4-bit binary counters, each with its own clock input and asynchronous master reset input. This allows for flexible counting and reset operations, making it suitable for a variety of digital circuit applications.
Key Specifications
| Parameter | Value | Description |
|---|---|---|
| VCC (V) | 4.5 - 5.5 | Supply voltage range |
| Output drive capability (mA) | ± 4 | Output current capability |
| Logic switching levels | TTL | Logic level compatibility |
| tpd (ns) | 20 | Propagation delay time |
| Power dissipation considerations | Low | Power consumption characteristics |
| Tamb (°C) | -40 to 125 | Operating temperature range |
| Package name | TSSOP14 (SOT402-1) | Package type and dimensions |
| Trigger Type | Negative Edge | Trigger type for the counter |
| Reset | Asynchronous | Type of reset input |
| Count Rate | 53 MHz | Maximum counting frequency |
Key Features
- Wide Supply Voltage Range: Operates from 4.5 V to 5.5 V, making it versatile for various power supply conditions.
- Low Power Dissipation: CMOS technology ensures low power consumption, which is beneficial for energy-efficient designs.
- High Noise Immunity: Provides robust performance against noise, enhancing reliability in noisy environments.
- Latch-up Performance: Exceeds 100 mA per JESD 78 Class II Level B, ensuring stable operation under adverse conditions.
- ESD Protection: Complies with ANSI/ESDA/JEDEC JS-001 class 2 (exceeds 2000 V) and JS-002 class C3 (exceeds 1000 V), protecting against electrostatic discharge.
- Dual 4-bit Counters: Each counter has its own clock input and asynchronous master reset, allowing for independent counting operations.
- Flexible Counting: Can divide by any binary module up to 2^8 in one package, making it suitable for various counting applications.
Applications
The 74HCT393PW is widely used in various digital circuit applications across different industries, including:
- Automotive Systems: For counting and timing functions in automotive electronics.
- Industrial Control Systems: In control circuits that require precise counting and timing.
- Consumer Electronics: In devices such as calculators, timers, and other digital appliances.
- Computing and Data Processing: For clocking and counting functions in digital logic circuits.
Q & A
- What is the supply voltage range for the 74HCT393PW?
The supply voltage range is from 4.5 V to 5.5 V.
- What type of logic levels does the 74HCT393PW support?
The 74HCT393PW supports TTL (Transistor-Transistor Logic) levels.
- What is the propagation delay time for the 74HCT393PW?
The propagation delay time is approximately 20 ns.
- What is the operating temperature range for the 74HCT393PW?
The operating temperature range is from -40°C to 125°C.
- What type of package does the 74HCT393PW come in?
The 74HCT393PW comes in a TSSOP14 (SOT402-1) package.
- Does the 74HCT393PW have ESD protection?
Yes, it complies with ANSI/ESDA/JEDEC JS-001 class 2 (exceeds 2000 V) and JS-002 class C3 (exceeds 1000 V).
- How many counters does the 74HCT393PW have?
The 74HCT393PW has two independent 4-bit binary counters.
- What is the maximum counting frequency of the 74HCT393PW?
The maximum counting frequency is approximately 53 MHz.
- Can the 74HCT393PW be reset asynchronously?
Yes, each counter has an asynchronous master reset input.
- Is the 74HCT393PW suitable for automotive applications?
Yes, it is suitable for automotive and other industrial applications due to its robust performance and wide operating temperature range.
