Overview
The 74HC594DB,118 is an 8-bit serial-in/serial or parallel-out shift register with a storage register, manufactured by Nexperia USA Inc. This integrated circuit is part of the 74HC series, known for its high-speed CMOS technology. The device features separate clock and reset inputs for both the shift and storage registers, enabling flexible data manipulation. It supports serial input and output, allowing for cascading, and has a parallel output capability. The 74HC594DB,118 is available in a 16-pin SSOP package and operates over a wide supply voltage range from 2.0 V to 6.0 V, making it versatile for various applications.
Key Specifications
| Parameter | Value | Description |
|---|---|---|
| Type Number | 74HC594DB,118 | Part number |
| Package | SSOP16 (SOT338-1) | Shrink small outline package, 16 leads |
| Logic Function | 8-bit Shift Register | Serial-in/serial or parallel-out shift register with storage register |
| Supply Voltage | 2.0 V to 6.0 V | Wide supply voltage range |
| Propagation Delay | Typically 100 MHz | Maximum clock frequency |
| Quiescent Current | Very low (CMOS low power dissipation) | Low power consumption |
| Operating Temperature | -40 °C to +85 °C / -40 °C to +125 °C | Temperature range for operation |
| ESD Protection | HBM: >2000 V, CDM: >1000 V | Electrostatic discharge protection |
Key Features
- Synchronous Serial Input and Output: Supports serial data transfer with the ability to cascade devices.
- 8-bit Parallel Output: Provides parallel output from the storage register.
- Independent Clocks and Resets: Separate clocks (SHCP and STCP) and reset inputs (SHR and STR) for shift and storage registers.
- Wide Supply Voltage Range: Operates from 2.0 V to 6.0 V.
- CMOS Low Power Dissipation: Very low quiescent current, making it energy-efficient.
- High Noise Immunity: Complies with JEDEC standards for noise immunity.
- Latch-up Performance: Exceeds 100 mA per JESD 78 Class II Level B.
- Multiple Package Options: Available in SSOP16 package among others.
Applications
- Serial-to-Parallel Data Conversion: Converts serial data to parallel data, useful in various digital systems.
- Remote Control Holding Register: Can be used in remote control systems to hold data temporarily.
- General Digital Circuitry: Suitable for use in any digital circuit requiring shift register functionality.
Q & A
- What is the primary function of the 74HC594DB,118?
The primary function is to act as an 8-bit serial-in/serial or parallel-out shift register with a storage register.
- What are the supply voltage ranges for this device?
The device operates over a supply voltage range from 2.0 V to 6.0 V.
- What types of clocks does the 74HC594DB,118 have?
The device has separate clocks (SHCP and STCP) for the shift and storage registers.
- How does the reset function work on this device?
A LOW level on one of the two register reset pins (SHR and STR) will clear the corresponding register.
- What is the typical propagation delay of the 74HC594DB,118?
The typical propagation delay is around 100 MHz.
- What kind of ESD protection does the device have?
The device has HBM ESD protection exceeding 2000 V and CDM ESD protection exceeding 1000 V.
- In what temperature range can the 74HC594DB,118 operate?
The device can operate from -40 °C to +85 °C or up to +125 °C.
- What package options are available for the 74HC594DB,118?
The device is available in a 16-pin SSOP package among other options.
- Is the 74HC594DB,118 RoHS compliant?
- What are some common applications of the 74HC594DB,118?
