Overview
The NLV74HC589ADTR2G, produced by onsemi, is an 8-bit serial or parallel-input/serial-output shift register with 3-state output. This device integrates an 8-bit storage latch and an 8-bit shift register, allowing data to be loaded either serially or in parallel. It is designed for high-performance applications and is compatible with CMOS, NMOS, and TTL logic systems.
The device features a wide operating voltage range of 2.0 to 6.0 V, making it versatile for various system designs. It also includes an output enable function that allows the output to be placed in a high-impedance state, which is beneficial in bus-oriented systems.
Key Specifications
| Parameter | Min | Max | Unit |
|---|---|---|---|
| DC Supply Voltage (VCC) | 2.0 | 6.0 | V |
| DC Input Voltage (VIN) | 0 | VCC + 0.5 | V |
| DC Output Voltage (VOUT) | 0 | VCC + 0.5 | V |
| Operating Temperature (TA) | -55 | 125 | °C |
| Maximum Clock Frequency (fmax) | 6.0 | 35 | MHz |
| Propagation Delay, Latch Clock to QH (tPLH, tPHL) | 30 | 275 | ns |
| Propagation Delay, Shift Clock to QH (tPLH, tPHL) | 25 | 200 | ns |
| Input Leakage Current (Iin) | -1.0 | 1.0 | μA |
| Maximum Quiescent Supply Current (ICC) | 4 | 160 | μA |
Key Features
- 8-bit storage latch and 8-bit shift register with 3-state output
- Data can be loaded serially or in parallel
- Output drive capability: 15 LSTTL loads
- Outputs directly interface with CMOS, NMOS, and TTL
- Operating voltage range: 2.0 to 6.0 V
- Low input current: 1 μA
- High noise immunity characteristic of CMOS devices
- In compliance with JEDEC Standard No. 7A
- Output enable function for high-impedance state
Applications
The NLV74HC589ADTR2G is suitable for a variety of applications, including:
- Bus-oriented systems due to its 3-state output capability
- Microprocessor and microcontroller systems, especially those using SPI serial data ports
- Digital signal processing and data transmission systems
- Automotive and industrial control systems requiring robust and reliable shift register functionality
Q & A
- What is the operating voltage range of the NLV74HC589ADTR2G?
The operating voltage range is from 2.0 to 6.0 V.
- How can data be loaded into the NLV74HC589ADTR2G?
Data can be loaded either serially or in parallel.
- What is the maximum clock frequency for the NLV74HC589ADTR2G?
The maximum clock frequency is up to 35 MHz.
- What is the propagation delay from the latch clock to QH?
The propagation delay ranges from 30 to 275 ns depending on the operating conditions.
- Can the output of the NLV74HC589ADTR2G be placed in a high-impedance state?
- What is the input leakage current of the NLV74HC589ADTR2G?
The input leakage current is typically ±1.0 μA.
- Is the NLV74HC589ADTR2G compatible with CMOS, NMOS, and TTL logic systems?
- What are the package options available for the NLV74HC589ADTR2G?
The device is available in TSSOP-16 packages.
- What is the maximum quiescent supply current for the NLV74HC589ADTR2G?
The maximum quiescent supply current is 160 μA.
- What are some common applications of the NLV74HC589ADTR2G?
