Overview
The 74HC4094PW, produced by Nexperia USA Inc., is an 8-bit serial-in/serial or parallel-out shift register with a storage register and 3-state outputs. This component is part of the 74HC series and is designed for a wide range of applications, including automotive, industrial, and consumer electronics. It features separate clocks for both the shift and storage registers, enabling flexible data handling and cascading capabilities.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage (VCC) | 2.0 | 6.0 | V | ||
| Input Voltage (VIH, VIL) | VCC = 4.5 V to 5.5 V | 2.0, 0.8 | 1.6, 0.8 | 2.0, 0.8 | V |
| Output Voltage (VOH, VOL) | IO = -4.0 mA, IO = 4.0 mA | 3.98, 0.15 | 4.32, 0.26 | 3.84, 0.4 | V |
| Input Leakage Current (II) | VI = VCC or GND; VCC = 6.0 V | ±1.0 | μA | ||
| OFF-state Output Current (IOZ) | VI = VIH or VIL; VO = VCC or GND; VCC = 6.0 V | ±10.0 | μA | ||
| Supply Current (ICC) | VI = VCC or GND; IO = 0 A; VCC = 6.0 V | 8.0 | 160 | μA | |
| Input Capacitance (CI) | 3.5 | pF | |||
| Package Type | 16-TSSOP (0.173, 4.40mm Width) | ||||
| Operating Temperature Range | -40 | 125 | °C |
Key Features
- 8-bit Serial-in/Serial or Parallel-out Shift Register: Allows for flexible data handling and output configurations.
- Storage Register: Data can be transferred from the shift register to the storage register when the STR input is HIGH.
- 3-state Outputs: Outputs can be set to a high-impedance OFF-state when the output enable input (OE) is LOW.
- Cascading Capability: Features two serial outputs (QS1 and QS2) to enable cascading with other shift registers.
- Separate Clocks: Both the shift and storage registers have separate clocks, enhancing control over data transfer.
- Input Clamp Diodes: Allows the use of current limiting resistors to interface inputs to voltages in excess of VCC.
- AEC-Q100 Qualified: Suitable for automotive applications, ensuring reliability and performance under stringent conditions.
Applications
- Automotive Systems: Ideal for use in automotive electronics due to its AEC-Q100 qualification.
- Industrial Control Systems: Used in various industrial applications requiring reliable and efficient data handling.
- Consumer Electronics: Suitable for use in consumer devices such as displays, audio equipment, and other electronic gadgets.
- Computing and Networking: Can be used in computing and networking equipment for data transfer and storage.
- Mobile and Wearable Devices: Applicable in mobile and wearable devices where compact and efficient logic ICs are required.
Q & A
- What is the primary function of the 74HC4094PW?
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.
- What are the operating voltage ranges for the 74HC4094PW?
The operating voltage range is from 2.0 V to 6.0 V.
- What is the package type of the 74HC4094PW?
The package type is 16-TSSOP (0.173, 4.40mm Width).
- How does the cascading feature work in the 74HC4094PW?
The device features two serial outputs (QS1 and QS2) to enable cascading with other shift registers, allowing data to be transferred on different clock edges.
- What is the significance of the STR input in the 74HC4094PW?
The STR input is used to transfer data from the shift register to the storage register when it is HIGH.
- How do the 3-state outputs work in the 74HC4094PW?
The outputs can be set to a high-impedance OFF-state when the output enable input (OE) is LOW.
- Is the 74HC4094PW suitable for automotive applications?
Yes, it is AEC-Q100 qualified, making it suitable for automotive applications.
- What is the input leakage current specification for the 74HC4094PW?
The input leakage current is typically ±1.0 μA when VI = VCC or GND and VCC = 6.0 V.
- What is the supply current specification for the 74HC4094PW?
The supply current is typically 8.0 μA when VI = VCC or GND, IO = 0 A, and VCC = 6.0 V.
- What is the operating temperature range for the 74HC4094PW?
The operating temperature range is from -40°C to 125°C.
