NXP 74LVCH162374ADGG: A High-Performance 16-Bit Edge-Triggered D-Type Flip-Flop for Demanding Bus Interface Applications
The NXP 74LVCH162374ADGG is a sophisticated 16-bit edge-triggered D-type flip-flop engineered to serve as a critical component in high-speed, high-density digital systems. Designed with advanced CMOS technology, this integrated circuit is a cornerstone for applications requiring robust data registration, temporary storage, and bus interfacing, particularly in environments where signal integrity and voltage level mismatches are a primary concern.
A defining characteristic of this device is its wide voltage range and 6V tolerance on all inputs and outputs. This feature is paramount for interoperability within mixed-voltage systems. It allows the 74LVCH162374ADGG, which operates from a 1.65V to 3.6V VCC, to seamlessly interface with higher voltage components (up to 6V) without the need for additional level-shifting circuitry. This inherent tolerance protects the device from damage caused by overvoltage conditions and simplifies overall system design.
The flip-flop's operation is positive-edge triggered. On each low-to-high transition of the clock (CP) input, the data present at the Dn inputs is transferred to the corresponding Qn outputs. This synchronous operation ensures precise timing control across all 16 bits, which is essential for synchronizing data flow on wide data buses. An output enable (OE) input provides a crucial layer of control; when OE is set low, the outputs are active, but when driven high, the outputs are placed in a high-impedance state (tristated). This functionality is vital for constructing non-contention bidirectional bus interfaces, allowing multiple devices to share a common data bus efficiently.
Further enhancing its performance in noise-sensitive, high-speed applications, the IC incorporates a power-down protection feature. This ensures that when the device is powered down (VCC = 0V), the inputs and outputs are isolated, preventing any damaging backflow of current into the core circuitry. Additionally, the chip includes bus-hold circuitry on the data inputs. This circuit weakly holds the input at the last valid logic level, eliminating the need for external pull-up or pull-down resistors and preventing the input from floating into an indeterminate state, which improves signal integrity and reduces component count.
The 74LVCH162374ADGG is offered in a space-saving 48-TSSOP package (DGG), making it suitable for modern, compact electronic designs. It is an ideal solution for a wide array of applications, including data buffering and registration in servers, networking equipment, telecommunications infrastructure, and advanced computing platforms.
The NXP 74LVCH162374ADGG stands out as a highly reliable and versatile 16-bit flip-flop. Its combination of 6V tolerance, 3-state outputs, and bus-hold technology makes it an exceptional choice for designers building high-performance, mixed-voltage systems with robust bus interface needs.
Keywords
6V Tolerant
16-Bit Flip-Flop
Bus Interface
Edge-Triggered
3-State Output
