Overview
The 74HC595BQ115 is an 8-bit serial-in/serial or parallel-out shift register with a storage register and 3-state outputs, manufactured by Nexperia (previously part of NXP USA Inc.). This component is part of the 74HC series and is designed for high-speed CMOS logic applications. It features a serial input (DS) and a serial output (Q7S) for cascading, as well as an asynchronous reset input (MR). The device is suitable for a wide range of digital systems due to its compatibility with CMOS logic levels and its ability to operate over a voltage range of 2.0 to 6.0 volts.
Key Specifications
| Type Number | VCC (V) | Logic Switching Levels | Output Drive Capability (mA) | tpd (ns) | fmax (MHz) | Number of Bits | Power Dissipation Considerations | Tamb (°C) | Package Name |
|---|---|---|---|---|---|---|---|---|---|
| 74HC595BQ | 2.0 - 6.0 | CMOS | ± 7.8 | 16 | 108 | 8 | Low | -40 to 125 | DHVQFN16 |
Key Features
- 8-bit Serial Input and Serial or Parallel Output: Allows for flexible data transfer and storage.
- Storage Register with 3-State Outputs: Enables outputs to be in a high-impedance OFF-state when the output enable input (OE) is HIGH.
- Shift Register with Direct Clear: Features an asynchronous reset input (MR) for resetting the shift register.
- High-Speed Operation: Typical shift out frequency of 100 MHz.
- Wide Operating Voltage Range: Operates from 2.0 to 6.0 volts.
- High Noise Immunity: Built with ESD protection (HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V, CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V).
- Multiple Package Options: Available in DHVQFN16 package.
Applications
- Automotive Systems: Suitable for various automotive applications due to its robust operational range and reliability.
- Industrial Controls: Used in industrial control systems for efficient data management and high-speed operation.
- Communications Equipment: Compatible with communications equipment requiring high-speed data transfer and storage.
- Consumer Electronics: Found in consumer electronics for its ease of integration and low power consumption.
- Data Acquisition Systems: Utilized in data acquisition systems for its ability to handle serial-to-parallel data conversion efficiently.
Q & A
- What is the 74HC595BQ115 used for?
The 74HC595BQ115 is an 8-bit serial-in/serial or parallel-out shift register used for serial-to-parallel data conversion and efficient data management in various digital systems.
- What is the operating voltage range of the 74HC595BQ115?
The operating voltage range is from 2.0 to 6.0 volts.
- What are the logic switching levels for the 74HC595BQ115?
The logic switching levels are CMOS.
- What is the typical shift out frequency of the 74HC595BQ115?
The typical shift out frequency is 100 MHz.
- Does the 74HC595BQ115 have ESD protection?
Yes, it has ESD protection (HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V, CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V).
- What are the package options for the 74HC595BQ115?
It is available in the DHVQFN16 package.
- What is the operating temperature range of the 74HC595BQ115?
The operating temperature range is from -40°C to 125°C.
- Is the 74HC595BQ115 compatible with TTL logic levels?
No, it is specifically designed for CMOS logic levels, but there is a variant (74HCT595) that is compatible with TTL logic levels.
- Can the 74HC595BQ115 be used in automotive systems?
Yes, it is suitable for various automotive applications due to its robust operational range and reliability.
- How does the output enable input (OE) affect the 74HC595BQ115?
The output enable input (OE) causes the outputs to assume a high-impedance OFF-state when it is HIGH, without affecting the state of the registers.
