Overview
The SN74HC393PWR is a dual 4-bit binary counter integrated circuit produced by Texas Instruments. This device contains eight flip-flops and additional gating to implement two independent 4-bit binary counters in a single package. Each counter has its own clock (CLK) and clear (CLR) inputs, allowing for flexible and independent operation. The SN74HC393PWR is part of the 74HC series, known for its high-speed and low-power CMOS logic family.
Key Specifications
| Parameter | Min | Nom | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 2 | 5 | 6 | V |
| Operating Temperature (TA) | -40 | 85 | °C | |
| Clock Frequency (fclock) | 36 | MHz | ||
| Input Transition Rise/Fall Time (Δt/Δv) | 400 | ns | ||
| Output Drive at 5V (IOL) | 4 | mA | ||
| Low Power Consumption (ICC) | 80 | μA | ||
| Package Type | 14-TSSOP |
Key Features
- Wide operating voltage range of 2V to 6V
- Outputs can drive up to 10 LSTTL loads
- Low power consumption: 80μA max ICC
- Typical propagation delay time (tpd) of 13ns
- ±4mA output drive at 5V
- Low input current of 1μA max
- Dual 4-bit binary counters with individual clocks and clear inputs
- Can significantly improve system densities by reducing counter package count by 50%
Applications
The SN74HC393PWR is versatile and can be used in various applications requiring binary counting and timing signals. Some common applications include:
- Digital counters and dividers in electronic circuits
- Timing and clocking circuits in digital systems
- Frequency division and signal processing
- Automotive and industrial control systems
- Consumer electronics requiring precise timing and counting functions
Q & A
- What is the operating voltage range of the SN74HC393PWR?
The operating voltage range is from 2V to 6V.
- What is the maximum clock frequency for the SN74HC393PWR?
The maximum clock frequency is 36 MHz.
- What is the package type of the SN74HC393PWR?
The package type is 14-TSSOP.
- Does the SN74HC393PWR have individual clear inputs for each counter?
Yes, each 4-bit counter has its own clear (CLR) input.
- What is the typical propagation delay time (tpd) of the SN74HC393PWR?
The typical propagation delay time is 13ns.
- How many LSTTL loads can the outputs of the SN74HC393PWR drive?
The outputs can drive up to 10 LSTTL loads.
- What is the maximum power consumption of the SN74HC393PWR?
The maximum power consumption is 80μA.
- Is the SN74HC393PWR suitable for high-speed applications?
Yes, it is part of the 74HC series known for high-speed and low-power CMOS logic.
- Can the SN74HC393PWR be used in automotive and industrial control systems?
Yes, it is suitable for such applications due to its robust specifications and reliability.
- What is the operating temperature range of the SN74HC393PWR?
The operating temperature range is from -40°C to 85°C.
