Overview
The SN74HC594DT is an 8-bit serial-in, parallel-out shift register with an integrated 8-bit D-type storage register, manufactured by Texas Instruments. Although this product is no longer in production, it remains relevant for existing designs and educational purposes. The device features separate clocks and direct overriding clear inputs for both the shift and storage registers, making it versatile for various applications. It is designed to operate within a wide voltage range of 2 V to 6 V and is known for its low power consumption and high-current output capabilities.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | 16-SOIC (0.154", 3.90mm Width) |
| Number of Pins | 16 |
| Operating Temperature Range | -40°C to 125°C |
| Supply Voltage | 2 V to 6 V |
| Output Type | Push-Pull |
| Number of Bits per Element | 8 |
| Function | Serial to Parallel |
| Maximum Input Current | 1 µA |
| Maximum Output Current | ±6 mA at 5 V |
| Propagation Delay (tpd) | Typical 15 ns |
| Power Dissipation | Maximum 80 µA |
Key Features
- Wide operating voltage range of 2 V to 6 V
- High-current outputs capable of driving up to 15 LSTTL loads
- Low power consumption with a maximum ICC of 80 µA
- Typical propagation delay of 15 ns
- ±6-mA output drive at 5 V
- Low input current of 1 µA maximum
- 8-bit serial-in, parallel-out shift register with storage
- Independent direct overriding clears on shift and storage registers
- Independent clocks for both shift and storage registers
Applications
The SN74HC594DT is suitable for a variety of applications, including:
- Pro Audio Mixers
- Elevators and Escalators
- Human Machine Interface (HMI) in industrial settings
- Entertainment Systems
- Grid Infrastructure: Grid Control
- Access Control and Security: DVR and DVS
Q & A
- What is the SN74HC594DT?
The SN74HC594DT is an 8-bit serial-in, parallel-out shift register with an integrated 8-bit D-type storage register. - Why is the SN74HC594DT no longer in production?
The SN74HC594DT is obsolete, and new designs should consider alternate products. - What is the operating voltage range of the SN74HC594DT?
The operating voltage range is 2 V to 6 V. - What is the maximum output current of the SN74HC594DT?
The maximum output current is ±6 mA at 5 V. - What is the typical propagation delay of the SN74HC594DT?
The typical propagation delay is 15 ns. - Does the SN74HC594DT have independent clocks for shift and storage registers?
Yes, it has independent clocks for both shift and storage registers. - What is the maximum input current of the SN74HC594DT?
The maximum input current is 1 µA. - What type of package does the SN74HC594DT come in?
The SN74HC594DT comes in a 16-SOIC package. - What is the operating temperature range of the SN74HC594DT?
The operating temperature range is -40°C to 125°C. - What are some common applications of the SN74HC594DT?
Common applications include pro audio mixers, elevators and escalators, HMI in industrial settings, entertainment systems, grid infrastructure, and access control and security systems.
