Overview
The HEF4894BT-Q100,118 is a 12-stage serial shift-and-store register LED driver produced by Nexperia USA Inc. This integrated circuit is designed to handle serial data input and convert it into parallel output, making it suitable for various LED driver applications. It features a storage latch associated with each stage, allowing data to be strobed from the serial input to the parallel LED driver outputs (QP0 to QP11). The device operates on positive-going clock transitions and includes output enable and strobe inputs for controlling data transfer and output visibility.
This component is qualified to the Automotive Electronics Council (AEC) standard Q100 (Grade 1), ensuring its reliability and suitability for automotive applications. It also boasts a wide supply voltage range, low power dissipation, and high noise immunity, making it a versatile choice for multiple electronic designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | Nexperia USA Inc. | |
| Series | Automotive, AEC-Q100, 4000B | |
| Logic Type | Shift Register | |
| Output Type | Open Drain | |
| Number of Elements | 1 | |
| Number of Bits per Element | 12 | |
| Function | Serial to Parallel, Serial | |
| Voltage - Supply | 3 V to 15 V | V |
| Operating Temperature | -40°C to +125°C | °C |
| Mounting Type | Surface Mount | |
| Package / Case | 20-SOIC (0.295", 7.50mm Width) | |
| No. of Pins | 20 |
Key Features
- Automotive Product Qualification: Qualified to the Automotive Electronics Council (AEC) standard Q100 (Grade 1), making it suitable for automotive applications.
- Wide Supply Voltage Range: Operates over a recommended VDD power supply range of 3 V to 15 V.
- Low Power Dissipation: CMOS technology ensures low power consumption.
- High Noise Immunity: Provides high noise immunity, enhancing reliability in noisy environments.
- Fully Static Operation: Ensures that the device can operate without the need for a clock signal to maintain its state.
- Standardized Symmetrical Output Characteristics: Complies with JEDEC standard JESD 13-B.
- ESD Protection: Exceeds 2000 V for HBM (Human Body Model) and 1000 V for CDM (Charged Device Model) according to ANSI/ESDA/JEDEC standards.
- Cascading Capability: Two serial outputs (QS1 and QS2) are available for cascading multiple HEF4894B-Q100 devices.
Applications
The HEF4894BT-Q100,118 is versatile and can be used in a variety of applications, including:
- Automotive Systems: Suitable for use in automotive applications due to its AEC-Q100 qualification.
- LED Driver Systems: Ideal for driving LEDs in serial-to-parallel configurations.
- Industrial Control Systems: Can be used in industrial environments where high noise immunity and reliability are crucial.
- Consumer Electronics: Applicable in various consumer electronic devices requiring serial-to-parallel data conversion.
- Display Systems: Useful in display systems that require serial data input and parallel output for driving display elements.
Q & A
- What is the primary function of the HEF4894BT-Q100,118?
The primary function is to act as a 12-stage serial shift-and-store register LED driver, converting serial data input into parallel output.
- What is the operating voltage range of the HEF4894BT-Q100,118?
The device operates over a recommended VDD power supply range of 3 V to 15 V.
- What are the operating temperature ranges for the HEF4894BT-Q100,118?
The device is specified to operate from -40°C to +85°C and from -40°C to +125°C.
- Is the HEF4894BT-Q100,118 suitable for automotive applications?
- What type of output does the HEF4894BT-Q100,118 have?
The output type is Open Drain.
- How many bits does each element of the HEF4894BT-Q100,118 handle?
Each element handles 12 bits.
- Can the HEF4894BT-Q100,118 be cascaded with other devices?
- What is the package type of the HEF4894BT-Q100,118?
The package type is 20-SOIC (0.295", 7.50mm Width).
- What are the ESD protection ratings for the HEF4894BT-Q100,118?
- Does the HEF4894BT-Q100,118 comply with any specific JEDEC standards?
