Overview
The SN74HC594DWRG4 is a versatile integrated circuit manufactured by Texas Instruments. It belongs to the 74HC series and is categorized as a logic shift register. This device is designed to function as an 8-bit serial-in, parallel-out shift register that feeds an 8-bit D-type storage register. It is widely used in various digital circuits where data needs to be shifted and stored efficiently.
Key Specifications
| Specification | Description |
|---|---|
| Manufacturer | Texas Instruments |
| Category | Integrated Circuits (ICs) - Logic - Shift Registers |
| Package | 16-SOIC (0.295", 7.50mm Width) |
| Logic Type | Shift Register |
| Output Type | Push-Pull |
| Number of Elements | 1 |
| Number of Bits per Element | 8 |
| Function | Serial to Parallel |
| Voltage - Supply | 2 V ~ 6 V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
Key Features
- Wide Operating Voltage Range: The SN74HC594DWRG4 operates within a voltage range of 2 V to 6 V, making it versatile for various applications.
- High-Current Outputs: The device can drive up to 15 LSTTL loads, ensuring robust output capabilities.
- Low Power Consumption: It has a maximum ICC of 80 µA, contributing to low power consumption in circuits.
- Fast Propagation Delay: The typical propagation delay (tpd) is 15 ns, allowing for high-speed data transfer.
- Independent Clocks and Clears: Separate clocks and direct overriding clear inputs are provided for both the shift and storage registers, enhancing control and flexibility.
- Serial and Parallel Outputs: The device offers both serial (QH) and parallel (QA to QH) outputs, facilitating cascading and parallel data access.
Applications
The SN74HC594DWRG4 is suitable for a variety of digital circuit applications, including:
- Data Storage and Retrieval: It can be used in systems that require serial-to-parallel data conversion and storage.
- Cascading Shift Registers: The serial output allows for easy cascading of multiple shift registers to handle larger data sets.
- Digital Signal Processing: Its high-current outputs and low power consumption make it ideal for digital signal processing applications.
- Embedded Systems: It can be integrated into embedded systems where efficient data shifting and storage are critical.
Q & A
- What is the primary function of the SN74HC594DWRG4?
The primary function is to act as an 8-bit serial-in, parallel-out shift register that feeds an 8-bit D-type storage register.
- What is the operating voltage range of the SN74HC594DWRG4?
The operating voltage range is from 2 V to 6 V.
- What type of package does the SN74HC594DWRG4 come in?
The device comes in a 16-SOIC package.
- What is the maximum propagation delay of the SN74HC594DWRG4?
The typical propagation delay (tpd) is 15 ns.
- Can the SN74HC594DWRG4 drive multiple LSTTL loads?
Yes, it can drive up to 15 LSTTL loads.
- Does the SN74HC594DWRG4 have independent clocks for the shift and storage registers?
Yes, it has separate clocks for both the shift and storage registers.
- What is the operating temperature range of the SN74HC594DWRG4?
The operating temperature range is from -40°C to 85°C.
- Is the SN74HC594DWRG4 RoHS compliant?
Yes, the device is RoHS compliant.
- Can the SN74HC594DWRG4 be cascaded with other shift registers?
Yes, it can be cascaded using the serial output (QH).
- What is the maximum ICC (current consumption) of the SN74HC594DWRG4?
The maximum ICC is 80 µA.
