Overview
The 74HC165BQ115 is an 8-bit parallel-load shift register produced by NXP USA Inc. This integrated circuit is part of the 74HC series, known for its high-speed CMOS logic. The device is designed to shift data from parallel inputs to a serial output, making it versatile for various digital circuit applications. It operates over a wide temperature range and is packaged in a 16-VFQFN Exposed Pad, which enhances thermal performance and reduces the footprint on the PCB.
Key Specifications
| Parameter | Value |
|---|---|
| Package | 16-VFQFN Exposed Pad |
| Operating Temperature | -40°C to 125°C |
| Output Type | Complementary |
| VCC Operating Range | 2 V to 6 V |
| Maximum Clock Frequency | Up to 31 MHz at 4.5 V, up to 36 MHz at 6 V |
| Propagation Delay (tpd) | Typically 13 ns at 6 V |
| Input Current | 1 µA Max |
| Output Drive | ±4 mA at 5 V |
Key Features
- 8-bit parallel-load shift register with complementary serial outputs.
- Parallel-in access to each stage through eight individual direct data inputs.
- Clock-inhibit (CLK INH) function and gated clock inputs.
- Low power consumption, with a maximum ICC of 80 µA.
- Direct overriding load (data) inputs.
- Operating voltage range of 2 V to 6 V.
Applications
The 74HC165BQ115 is suitable for a variety of digital circuit applications, including data conversion, serial communication, and digital signal processing. It is particularly useful in systems requiring the conversion of parallel data to serial data, such as in microcontroller or microprocessor interfaces, data logging systems, and other digital control circuits.
Q & A
- What is the operating temperature range of the 74HC165BQ115?
The operating temperature range is -40°C to 125°C. - What is the package type of the 74HC165BQ115?
The package type is 16-VFQFN Exposed Pad. - What is the maximum clock frequency of the 74HC165BQ115?
The maximum clock frequency is up to 31 MHz at 4.5 V and up to 36 MHz at 6 V. - What is the propagation delay (tpd) of the 74HC165BQ115?
The propagation delay is typically 13 ns at 6 V. - What is the input current of the 74HC165BQ115?
The input current is 1 µA Max. - What is the output drive capability of the 74HC165BQ115?
The output drive capability is ±4 mA at 5 V. - Does the 74HC165BQ115 have complementary outputs?
Yes, it has complementary serial outputs. - What is the power consumption of the 74HC165BQ115?
The maximum power consumption (ICC) is 80 µA. - Can the 74HC165BQ115 be used in high-speed applications?
Yes, it is suitable for high-speed applications due to its low propagation delay and high clock frequency. - Is the 74HC165BQ115 compatible with different voltage levels?
Yes, it operates over a voltage range of 2 V to 6 V.
