Overview
The HEF4894BTT,112 is a 12-stage serial shift-and-store register LED driver produced by Nexperia USA Inc. This integrated circuit is part of the 4000B logic family and is designed for various electronic applications. It features a serial input and parallel LED driver outputs, making it suitable for controlling LED displays and other serial-to-parallel data conversion tasks.
Key Specifications
| Parameter | Value |
|---|---|
| Type | 12-stage serial shift-and-store register |
| Logic Type | Shift Register |
| Output Type | Open Drain |
| Number of Elements | 1 |
| Package Type | 20-TSSOP (SOT163-1) |
| Supply Voltage Range | 3.0 V to 15.0 V |
| Operating Temperature | -40°C to 125°C |
| Clock Input | Positive-going clock transitions |
| Strobe Input | High to transfer data to storage register |
| Output Enable | High to enable output |
Key Features
- 12-stage serial shift register with storage latch for each stage.
- Parallel LED driver outputs (QP0 to QP11).
- Two serial outputs (QS1 and QS2) for cascading multiple devices.
- Data transfer to storage register on high strobe input.
- Output enable input to control output visibility.
- Wide supply voltage range from 3.0 V to 15.0 V.
- Unused inputs must be connected to VDD, VSS, or another input.
Applications
The HEF4894BTT,112 is versatile and can be used in various applications, including:
- LED display drivers.
- Serial-to-parallel data conversion.
- Automotive and industrial control systems.
- Consumer electronics.
- Power and computing systems.
Q & A
- What is the primary function of the HEF4894BTT,112?
The primary function is to act as a 12-stage serial shift-and-store register LED driver. - What is the supply voltage range for this IC?
The supply voltage range is from 3.0 V to 15.0 V. - How does data transfer occur in the HEF4894BTT,112?
Data is transferred from the serial input to the storage register when the strobe input is high. - What are the serial output options for cascading?
There are two serial outputs (QS1 and QS2) available for cascading multiple devices. - What should unused inputs be connected to?
Unused inputs must be connected to VDD, VSS, or another input. - In what package type is the HEF4894BTT,112 available?
The IC is available in a 20-TSSOP (SOT163-1) package. - Is the HEF4894BTT,112 still in production?
No, this product is listed as obsolete and no longer manufactured. - What are some common applications for this IC?
Common applications include LED display drivers, serial-to-parallel data conversion, automotive and industrial control systems, and consumer electronics. - How does the output enable input work?
The output enable input must be high to enable the output. - What is the operating temperature range for the HEF4894BTT,112?
The operating temperature range is from -40°C to 125°C.
