Overview
The SN74HC595D, produced by Texas Instruments, is an 8-bit serial-in, parallel-out shift register integrated circuit. It features a storage register with 3-state outputs, making it highly versatile for digital storage and serial communication applications. This component is designed to expand the available outputs of a microcontroller or other digital systems efficiently. The SN74HC595D operates within a wide voltage range of 2 V to 6 V, making it suitable for various electronic projects and systems.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Number of Bits | Number of bits in the shift register | 8 bits |
| Logic Family | Logic family of the IC | 74HC |
| Package/Case | Package type of the IC | SOIC-Narrow-16 |
| Supply Voltage | Operating supply voltage range | 2 V to 6 V |
| Operating Temperature | Operating temperature range | -40°C to +85°C |
| Output Type | Type of output | 3-State |
| Propagation Delay Time | Typical propagation delay time | 13 ns (typical) |
| Input Current | Maximum input current | 1 μA (maximum) |
| Output Drive | Output drive capability at 5 V | ±6 mA |
| Mounting Style | Mounting style of the IC | SMD/SMT |
Key Features
- 8-bit Serial-In, Parallel-Out Shift Register: The SN74HC595D contains an 8-bit serial-in, parallel-out shift register that feeds an 8-bit D-type storage register.
- 3-State Outputs: The storage register has parallel 3-state outputs, allowing for high-impedance state when the output-enable (OE) input is high.
- Wide Operating Voltage Range: Operates within a voltage range of 2 V to 6 V, making it versatile for various applications.
- Low Power Consumption: Maximum ICC of 80 μA, ensuring low power consumption.
- High-Current Outputs: Can drive up to 15 LSTTL loads and provide ±6 mA output drive at 5 V.
- Direct Clear Input: The shift register has a direct overriding clear (SRCLR) input for easy reset.
- Cascading Capability: Serial outputs for cascading multiple shift registers.
Applications
- Network Switches: Used in network infrastructure for data transfer and storage.
- Power Infrastructure: Utilized in power management and distribution systems.
- LED Displays: Employed in LED display systems for serial data transmission.
- Servers and Data Centers: Used in server and data center applications for efficient data storage and transfer.
- Microcontroller Expansion: Expands the available outputs of microcontrollers in various digital systems.
Q & A
- What is the primary function of the SN74HC595D?
The primary function of the SN74HC595D is to act as an 8-bit serial-in, parallel-out shift register with a storage register and 3-state outputs.
- What is the operating voltage range of the SN74HC595D?
The SN74HC595D operates within a voltage range of 2 V to 6 V.
- What type of outputs does the SN74HC595D have?
The SN74HC595D has 3-state outputs, which can be set to a high-impedance state when the output-enable (OE) input is high.
- Can the SN74HC595D drive multiple LSTTL loads?
Yes, the SN74HC595D can drive up to 15 LSTTL loads and provide ±6 mA output drive at 5 V.
- What is the typical propagation delay time of the SN74HC595D?
The typical propagation delay time of the SN74HC595D is 13 ns.
- Does the SN74HC595D have a direct clear input?
Yes, the shift register of the SN74HC595D has a direct overriding clear (SRCLR) input.
- Can the SN74HC595D be cascaded with other shift registers?
Yes, the SN74HC595D has serial outputs for cascading multiple shift registers.
- What is the operating temperature range of the SN74HC595D?
The operating temperature range of the SN74HC595D is -40°C to +85°C.
- Is the SN74HC595D RoHS compliant?
Yes, the SN74HC595D is RoHS compliant and lead-free.
- What is the package type of the SN74HC595D?
The package type of the SN74HC595D is SOIC-Narrow-16.
