Texas Instruments SN74HC595NE4
| Parameters | |
|---|---|
| Series | 74HC |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant |
| Package / Case | 16-DIP (0.300", 7.62mm) |
| Mfr | Texas Instruments |
| Mounting Type | Through Hole |
| Operating Temperature | -40°C ~ 85°C |
| Output Type | Tri-State |
| Number of Elements | 1 |
| Supplier Device Package | 16-PDIP |
| Number of Bits per Element | 8 |
| Function | Serial to Parallel, Serial |
| Voltage - Supply | 2V ~ 6V |
| Logic Type | Shift Register |
| Package | Tube |
| Product Status | Discontinued at Digi-Key |
| Base Product Number | 74HC595 |
| REACH Status | REACH Unaffected |
| Standard Package | 25 |
| ECCN | EAR99 |
| HTSUS | 8542.39.0001 |
The Texas Instruments SN74HC595NE4 is an 8-bit serial-in, parallel-out (SIPO) shift register with a three-state output. Manufactured by TI, this logic device operates on a 2.0V to 6.0V power supply and features a compact SOIC-8 package. It integrates high-speed CMOS technology to deliver reliable performance at frequencies up to 25 MHz. The NE4 suffix denotes its commercial temperature range (-40°C to 85°C) and enhanced ESD protection. This chip serves as a core component for data conversion, signal buffering, and driving loads in digital systems.
SN74HC595NE4 Shift Register Key Features
1. High-Speed Operation: Supports serial-to-parallel data conversion at speeds exceeding 25 MHz, ideal for real-time applications.
2. Three-State Outputs: Enables bidirectional data flow by allowing the output pins to enter a high-impedance state, facilitating bus sharing.
3. High Output Drive: Provides ±24 mA sink/source current per pin, sufficient to drive LEDs, relays, or other high-voltage loads directly.
4. Parallel Load Capability: Allows simultaneous loading of all 8 bits via a master reset input (MR), simplifying configuration.
5. ESD Protection: Built-in electrostatic discharge (ESD) diodes guard against transient voltage spikes, ensuring robustness in harsh environments.
SN74HC595NE4 Applications
The SN74HC595NE4 finds extensive use in scenarios requiring efficient data manipulation and output expansion:
· LED Lighting Systems: Controls RGB LED matrices or addressable strips by shifting pixel data serially and outputting it in parallel.
· Digital Displays: Drives seven-segment displays, LCD panels, or Dot Matrix screens in applications like vending machines or industrial controls.
· IoT & Embedded Systems: Acts as a bridge between microcontrollers (e.g., Arduino, Raspberry Pi) and peripheral devices, reducing I/O pin usage.
· Sensor Interfaces: Buffers sensor data streams for transmission over long distances or multiplexing multiple signals into a single communication line.
