SN74ALVCH16721DGVR Integrated Circuits (ICs)

Max Propagation Delay @ V, Max CL:	4.3ns @ 3.3V, 30pF
Base Part Number:	74ALVCH16721
Package / Case:	56-TFSOP (0.173", 4.40mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Input Capacitance:	3.5pF
Current - Quiescent (Iq):	40µA
Voltage - Supply:	1.65 V ~ 3.6 V
Current - Output High, Low:	24mA, 24mA
Trigger Type:	Positive Edge
Series:	74ALVCH
Clock Frequency:	150MHz
Number of Bits per Element:	20
Number of Elements:	1
Output Type:	Tri-State, Non-Inverted
Type:	D-Type
Function:	Standard
Part Status:	Obsolete
Packaging:	Cut Tape (CT)

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Introduction

The SN74ALVCH16721DGVR is a logic-flip flop designed for high-speed single data synchronization. The SN74ALVCH16721DGVR, manufactured by Texas Instruments, is an advanced version of the DVCH16711DGVR multiplexer/demultiplexer (MUX/DEMUX). This product is used in synchronous and high-speed applications including digital audio, video, communication systems, and computer enhanced communication.

Application Field

The SN74ALVCH16721DGVR is suitable for dual data synchronization in high-speed systems, especially in multiplexing and demultiplexing of digital audio, video, and communications. This type of device is ideal for transferring multiple data streams quickly in bidirectional transmission and cross-point switch systems. It is also suitable for high-speed clock synchronization and control of digital data.

Features

The features of the SN74ALVCH16721DGVR include:• Low power consumption of 130 mW at 5V• High speed switching of ±25 ps impulse width• Low-jitter data synchronization• Minimum pulse width of 60 ns• Easy setup with simple interface signals• Stackable architecture to reduce board space• Single +5V supply• Output disabled control

Working Principle

The SN74ALVCH16721DGVR utilizes CMOS logic-flip flop technology. It processes logic signals in two different ways depending on the logic levels of the DATA and ENABLE input pins.When ENABLE is logic high, the logic high level of DATA is passed directly to the output Q. When ENABLE is logic low, the output Q is held in the same state as the minimal duty cycle of the CK signal. When this minimal duty cycle is a logic high, the output Q is held at a logic high state and when it is a logic low, the output Q is held at a logic low state.The SN74ALVCH16721DGVR is designed for maximum flexibility. It has an independent ENABLE pin set which can be used to enable and disable multiple channels simultaneously. The ENABLE pin has a low-level power consumption of 0.5 µA when its input is logic high.

Conclusion

The SN74ALVCH16721DGVR is a high-speed single data synchronization logic-flip flop. It has very low power consumption, high switching speed, low-jitter data synchronization, and a number of features to make setup and operation simple and straightforward. It is ideal for multiplexing and demultiplexing of digital audio, video, and communications applications. It is also suitable for high-speed clock synchronization and control of digital data.

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