Overview
The 74HC4094D,652 is an 8-bit serial-in/serial or parallel-out shift register with a storage register and 3-state outputs, manufactured by Nexperia USA Inc. This component is part of the 74HC/74HCT family of logic ICs and is designed for a wide range of applications requiring data shifting and storage. The device features separate clocks for both the shift and storage registers, enabling flexible data manipulation.
Key Specifications
| Parameter | Value |
|---|---|
| Type Number | 74HC4094D |
| Orderable Part Number | 74HC4094D,652 |
| Package | SO16 (SOT109-1) |
| VCC (V) | 2.0 - 6.0 |
| Logic Switching Levels | CMOS |
| Output Drive Capability (mA) | ± 5.2 |
| tpd (ns) | 15 |
| fmax (MHz) | 95 |
| Number of Bits | 8 |
| Power Dissipation Considerations | Low |
| Tamb (°C) | -40 to 125 |
| Rth(j-a) (K/W) | 89 |
| Ψth(j-top) (K/W) | 8.1 |
| Rth(j-c) (K/W) | 48 |
Key Features
- 8-bit serial-in/serial or parallel-out shift register with a storage register.
- 3-state outputs to reduce bus contention.
- Separate clocks for shift and storage registers.
- Serial input (D) and two serial outputs (QS1 and QS2) for cascading.
- Data transfer from shift register to storage register on HIGH STR input.
- Output enable input (OE) to control output states.
- Inputs include clamp diodes to protect against voltage spikes.
- Compliant with RoHS, REACH, and other environmental regulations.
Applications
The 74HC4094D,652 is versatile and can be used in various applications across different industries, including:
- Automotive systems for data processing and storage.
- Industrial control systems requiring sequential data handling.
- Consumer electronics for display and interface control.
- Mobile and wearable devices for efficient data management.
- Computing and networking equipment for data buffering and shifting.
Q & A
- What is the primary function of the 74HC4094D,652?
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 logic switching levels of the 74HC4094D,652?
The logic switching levels are CMOS.
- What is the operating voltage range of the 74HC4094D,652?
The operating voltage range is 2.0 to 6.0 volts.
- How many bits can the shift register handle?
The shift register can handle 8 bits.
- What is the maximum clock frequency for the 74HC4094D,652?
The maximum clock frequency is 95 MHz.
- What is the purpose of the output enable input (OE)?
The output enable input (OE) controls the output states, setting them to high-impedance OFF-state when LOW.
- Is the 74HC4094D,652 compliant with environmental regulations?
Yes, it is compliant with RoHS, REACH, and other environmental regulations.
- What package type is the 74HC4094D,652 available in?
The component is available in the SO16 (SOT109-1) package.
- How does the data transfer from the shift register to the storage register occur?
Data transfer occurs when the STR input is HIGH.
- Can the 74HC4094D,652 be cascaded with other shift registers?
Yes, it can be cascaded using the serial outputs QS1 and QS2.
