Overview
The 74LV164DB,118 is an 8-bit serial-in/parallel-out shift register produced by NXP USA Inc. This device is part of the 74LV164 series and is designed for low-voltage applications. It features two serial data inputs (DSA and DSB) and eight parallel outputs (Q0 to Q7), allowing data to be entered serially and output in parallel. The device operates on a wide supply voltage range from 1.0 V to 5.5 V, making it versatile for various electronic systems.
Key Specifications
| Parameter | Description | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage (VCC) | Operating voltage range | 1.0 | - | 5.5 | V |
| Operating Temperature | Temperature range for operation | -40 | - | 125 | °C |
| Propagation Delay (tpd) | At VCC = 3.3 V, CL = 15 pF | - | 12 | - | ns |
| Input Capacitance (CI) | At VCC = 2.7 V to 3.6 V | - | 3.5 | - | pF |
| ESD Protection | HBM (Human Body Model) | - | - | > 2000 | V |
| ESD Protection | CDM (Charged Device Model) | - | - | > 1000 | V |
Key Features
- Low Power Consumption: CMOS technology ensures low power dissipation, making it suitable for battery-powered devices.
- Wide Supply Voltage Range: Operates from 1.0 V to 5.5 V, optimizing it for low-voltage applications.
- Gated Serial Data Inputs: Either DSA or DSB can be used as an active HIGH enable for data entry through the other input.
- Asynchronous Master Reset: A LOW on the master reset input (MR) clears the register and forces all outputs LOW.
- ESD Protection: Compliant with JEDEC standards for HBM and CDM, providing robust protection against electrostatic discharge.
- Compliance with JEDEC Standards: Meets JESD8-7, JESD8-5, JESD8C, and JESD36 standards.
Applications
- Digital Signal Processing: Suitable for applications requiring serial-to-parallel data conversion.
- Communication Systems: Used in serial communication protocols where data needs to be converted from serial to parallel format.
- Embedded Systems: Ideal for microcontroller and microprocessor-based systems that require efficient data handling.
- Industrial Automation: Can be used in control systems and data acquisition modules.
Q & A
- What is the primary function of the 74LV164DB,118?
The primary function is to act as an 8-bit serial-in/parallel-out shift register, converting serial data into parallel data.
- What is the operating voltage range of the 74LV164DB,118?
The device operates on a supply voltage range from 1.0 V to 5.5 V.
- How many serial data inputs does the 74LV164DB,118 have?
The device has two serial data inputs, DSA and DSB.
- What is the effect of a LOW on the master reset input (MR)?
A LOW on the master reset input clears the register and forces all outputs LOW.
- What type of ESD protection does the 74LV164DB,118 have?
The device has ESD protection compliant with HBM (Human Body Model) and CDM (Charged Device Model) JEDEC standards.
- What is the typical propagation delay at VCC = 3.3 V and CL = 15 pF?
The typical propagation delay is 12 ns.
- Can the 74LV164DB,118 be used in high-temperature environments?
Yes, it operates from -40 °C to +125 °C.
- What is the input capacitance at VCC = 2.7 V to 3.6 V?
The input capacitance is typically 3.5 pF.
- Is the 74LV164DB,118 compliant with any specific JEDEC standards?
Yes, it complies with JESD8-7, JESD8-5, JESD8C, and JESD36 standards.
- What type of logic does the 74LV164DB,118 use?
The device uses CMOS (Complementary Metal Oxide Semiconductor) logic.
