Overview
The SN74HCS595BQBR is an 8-bit serial-in, parallel-out shift register produced by Texas Instruments. This component is part of the SN74HCS595 series, which features Schmitt-trigger inputs and 3-state output registers. It is designed to operate over a wide voltage range and is suitable for various digital circuit applications, including output expansion, LED matrix control, and 7-segment display control.
Key Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | Texas Instruments (TI) | Original manufacturer of the IC |
| Part Number | SN74HCS595BQBR | Serial-in, parallel-out shift register with Schmitt-trigger inputs |
| Logic Family | HC (High-Speed CMOS) | CMOS technology for high performance |
| Number of Outputs | 8 | 8-bit serial to parallel output |
| Operating Voltage | 2 V to 6 V | Recommended supply voltage range |
| Max Clock Frequency | 25 MHz | Maximum operating clock frequency |
| Output Type | Tri-State | Outputs can be in high-impedance state |
| Input Voltage (High) | 2 V - 6 V | High-level input voltage |
| Input Voltage (Low) | 0 V - 1.5 V | Low-level input voltage |
| Propagation Delay | 19 ns (typical) | Time delay between input and output |
| Max Output Current | ±35 mA per pin | Maximum output drive current |
| Operating Temperature | -40°C to 125°C | Industrial temperature range |
| Package Type | WQFN (16 pins) | Wafer Quad Flat No-Lead package |
| RoHS Compliant | Yes | Environmentally friendly component |
Key Features
- 8-Bit Serial-In, Parallel-Out Shift Register: Facilitates efficient data handling and output.
- Wide Operating Voltage Range: Functions seamlessly across 2 V to 6 V.
- Schmitt-Trigger Inputs: Allows for slow or noisy input signals without causing erroneous data outputs.
- High-Current 3-State Outputs: Capable of driving up to 15 LSTTL loads.
- Low Power Consumption: Typical ICC of 100 nA and low input leakage current.
- Fast Propagation Delay: Typical tpd of 19 ns for rapid performance.
- Output Drive Capability: Provides a ±7.8-mA drive at 6 V for robust output.
- Direct Clear on Shift Register: Enables quick reset functionality.
- Extended Ambient Temperature Range: Operates from -40°C to 125°C.
Applications
- Output Expansion: Useful for expanding the output capabilities of microcontrollers or other digital devices.
- LED Matrix Control: Ideal for controlling LED matrices in display applications.
- 7-Segment Display Control: Suitable for driving 7-segment displays in various digital display systems.
- 8-Bit Data Storage: Can be used for temporary storage of 8-bit data in digital circuits.
Q & A
- What is the operating voltage range of the SN74HCS595BQBR?
The operating voltage range is from 2 V to 6 V.
- What type of inputs does the SN74HCS595BQBR have?
The device features Schmitt-trigger inputs.
- What is the maximum clock frequency for the SN74HCS595BQBR?
The maximum clock frequency is 25 MHz.
- What is the propagation delay of the SN74HCS595BQBR?
The typical propagation delay is 19 ns.
- What is the maximum output current per pin for the SN74HCS595BQBR?
The maximum output current per pin is ±35 mA.
- What is the operating temperature range of the SN74HCS595BQBR?
The operating temperature range is from -40°C to 125°C.
- What type of package does the SN74HCS595BQBR come in?
The device comes in a WQFN (Wafer Quad Flat No-Lead) package with 16 pins.
- Is the SN74HCS595BQBR RoHS compliant?
Yes, the component is RoHS compliant.
- What are some common applications of the SN74HCS595BQBR?
Common applications include output expansion, LED matrix control, 7-segment display control, and 8-bit data storage.
- Does the SN74HCS595BQBR have a direct clear function?
Yes, the shift register has a direct overriding clear (SRCLR) input.
