Overview
The HEF4021BTT-Q100 is an 8-bit static shift register produced by Nexperia USA Inc., designed to function as a parallel-to-serial converter. This integrated circuit features a synchronous serial data input (DS), a clock input (CP), and an asynchronous active HIGH parallel load input (PL). It is part of the HEF4000 family and is widely used in various electronic designs for its robust and reliable performance.
Key Specifications
| Parameter | Value |
|---|---|
| Type number | HEF4021BTT-Q100 |
| VCC (V) | 3.0 - 15 |
| Logic switching levels | CMOS |
| Output drive capability (mA) | ± 2.4 |
| tpd (ns) | 40 |
| fmax (MHz) | 40 |
| Power dissipation considerations | Medium |
| Tamb (°C) | -40 to 85 |
| Package name | TSSOP16 (SOT403-1) |
Key Features
- Synchronous serial data input (DS) and clock input (CP)
- Asynchronous active HIGH parallel load input (PL)
- Eight asynchronous parallel data inputs (D0 to D7)
- Buffered parallel outputs from the last three stages (Q5 to Q7)
- Each register stage is a D-type master-slave flip-flop with set direct (SD) and clear direct (CD) inputs
- Schmitt trigger action on the clock input for tolerance of slower rise and fall times
Applications
The HEF4021BTT-Q100 is versatile and finds applications across various industries, including:
- Automotive: For use in automotive electronics, particularly in systems requiring data serialization.
- Industrial: In control systems, data logging, and other industrial automation applications.
- Consumer Electronics: In devices such as audio and video equipment, and other consumer electronics requiring data conversion.
- Computing: In peripheral devices and data communication systems.
Q & A
- What is the primary function of the HEF4021BTT-Q100?
The primary function is to act as an 8-bit static shift register, converting parallel data to serial data. - What are the key inputs of the HEF4021BTT-Q100?
The key inputs include a synchronous serial data input (DS), a clock input (CP), and an asynchronous active HIGH parallel load input (PL). - What is the operating voltage range of the HEF4021BTT-Q100?
The operating voltage range is 3.0 to 15 volts. - What is the maximum clock frequency of the HEF4021BTT-Q100?
The maximum clock frequency is 40 MHz. - What is the package type of the HEF4021BTT-Q100?
The package type is TSSOP16 (SOT403-1). - What are the logic switching levels of the HEF4021BTT-Q100?
The logic switching levels are CMOS. - What is the output drive capability of the HEF4021BTT-Q100?
The output drive capability is ± 2.4 mA. - What is the temperature range for the HEF4021BTT-Q100?
The temperature range is -40 to 85°C. - Does the HEF4021BTT-Q100 have Schmitt trigger action on the clock input?
Yes, it does, which makes the clock input highly tolerant of slower rise and fall times. - How many parallel data inputs does the HEF4021BTT-Q100 have?
It has eight asynchronous parallel data inputs (D0 to D7).
