Overview
The 74HC4094D/C118 is an 8-bit serial-in/serial or parallel-out shift register with a storage register and 3-state outputs, manufactured by NXP USA Inc. This component is part of the 74HC family, known for its high-speed CMOS logic. It is designed to handle serial-to-parallel data conversion and features separate clocks for the shift and storage registers, making it versatile for various digital circuit applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Type Number | 74HC4094D/C118 | - |
| VCC | 2.0 - 6.0 | V |
| Logic Switching Levels | CMOS | - |
| Output Drive Capability | ± 5.2 | mA |
| Propagation Delay Time (tpd) | 15 - 190 | ns |
| Maximum Clock Frequency (fmax) | 95 | MHz |
| Number of Bits | 8 | - |
| Operating Temperature Range | -40 to +125 | °C |
| Package Type | SO16 (SOT109-1) | - |
| Power Dissipation | Low | - |
| ESD Protection | HBM: >2000 V, CDM: >1000 V | - |
Key Features
- Buffered Inputs: The device features buffered inputs to enhance signal integrity.
- Separate Serial Outputs: It has separate serial outputs (QS1 and QS2) that are synchronous to both positive and negative clock edges, facilitating cascading.
- Three-State Outputs: The outputs can be set to a high-impedance OFF-state when the output enable (OE) input is LOW.
- Low Power Dissipation: The component has low power consumption, making it energy-efficient.
- Wide Operating Temperature Range: It operates from -40°C to +125°C, ensuring reliability in various environmental conditions.
- High Noise Immunity: The HC types offer high noise immunity, with NIL = 30% and NIH = 30% of VCC at VCC = 5 V.
Applications
- Serial-to-Parallel Data Conversion: Ideal for converting serial data to parallel data, making it useful in data communication systems.
- Remote Control Holding Register: Can be used in remote control systems where data needs to be stored and retrieved.
- Digital Circuit Design: Suitable for various digital circuit applications requiring shift registers and storage latches.
- Automotive and Industrial Systems: Given its wide operating temperature range and robust ESD protection, it is suitable for use in automotive and industrial environments.
Q & A
- Q: What is the primary function of the 74HC4094D/C118?
A: The primary function is to act as an 8-bit serial-in/serial or parallel-out shift register with a storage register and 3-state outputs.
- Q: What are the logic switching levels for the 74HC4094D/C118?
A: The logic switching levels are CMOS for the 74HC4094D/C118.
- Q: What is the maximum clock frequency for this component?
A: The maximum clock frequency is 95 MHz.
- Q: What is the operating temperature range for the 74HC4094D/C118?
A: The operating temperature range is from -40°C to +125°C.
- Q: Does the 74HC4094D/C118 have ESD protection?
A: Yes, it has ESD protection with HBM exceeding 2000 V and CDM exceeding 1000 V.
- Q: What package type is available for the 74HC4094D/C118?
A: It is available in the SO16 (SOT109-1) package.
- Q: How does the output enable (OE) input affect the outputs?
A: When the OE input is LOW, the outputs assume a high-impedance OFF-state. When OE is HIGH, data from the storage register appears at the outputs.
- Q: Can the 74HC4094D/C118 be cascaded?
A: Yes, it can be cascaded using the separate serial outputs (QS1 and QS2) that are synchronous to both positive and negative clock edges.
- Q: What is the power dissipation characteristic of the 74HC4094D/C118?
A: The component has low power dissipation.
- Q: Is the 74HC4094D/C118 RoHS compliant?
A: Yes, it is RoHS compliant and lead-free.
