74ACTQ16245MTD

Series:	74ACTQ
Packaging:	Tube
Part Status:	Obsolete
Logic Type:	Transceiver, Non-Inverting
Number of Elements:	2
Number of Bits per Element:	8
Input Type:	--
Output Type:	3-State
Current - Output High, Low:	24mA, 24mA
Voltage - Supply:	4.5 V ~ 5.5 V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	48-TFSOP (0.240", 6.10mm Width)
Supplier Device Package:	48-TSSOP
Base Part Number:	74ACTQ16245

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74ACTQ16245MTD is a Low-Power 8-Bit Bus Transceiver and is a member of the expansive family of Advanced CMOS Logic ICs from Fairchild. It has high-speed performance to minimize propagation delay time and provide superior performance with low power requirements. It is used for high performance memory-to-memory or memory-to-I/O applications, and for general purpose buffer applications.

74ACTQ16245MTD is made available in a 14 pin plastic dual-in-line package (PDIP) as well as a small-outline package (TSOP). Its low supply voltage range is 3.3V and its power dissipation is typically 2.1W. It has three active-low enable inputs which are used to control the four bus-transceivers within its 8-bit bus. It also features bus hold pins that retain the data on its four bus lines when their enabling inputs are disabled. Most of its I/O pins have ESD protection diodes for protection against Electro-Static Discharge (ESD).

74ACTQ16245MTD has total propagation delay of 13.7 ns (max) on TTL levels, which is a typical fast logic device. Its switching noise can be improved with a Schmitt trigger input circuit. Its inputs are TTL compatible and they are CMOS compatible with the specified supply voltage. This low-power transceiver provides an un-inhibited three state at the data output as well as an active-low enable/disable control of the associated transceiver.

This device is suitable for various applications. It is used for communications, memory buses, data systems, microprocessors buses, and other logic gate interfaces. It is suitable for applications with high data density requirements. It is highly integrated and requires few external components. It features low power operation and can provide a bus with active enable/disable capability.

The working principle of 74ACTQ16245MTD is based on the concept of buffer transceivers. This transceiver acts as receiver and transmitter for the data flowing on a bus. It has an input buffer, an output buffer and four bus transceivers. The input buffer receives the data from the bus, stores it in an internal latch and forwards it to the output buffer. The output buffer, in turn, transmits the stored data onto the bus. The four bus transceivers are used to control the data flow and direction on the bus. The devices contains two active-low enable pins and two bus-hold pins which provide additional control functions. The active-low enable pins are used to control the direction of the data flow and the bus-hold pins are used to hold the data on the bus when the active-low enable inputs are disabled.

Overall, 74ACTQ16245MTD is an 8-bit bus transceiver which is suitable for applications with high data density requirements. It features low power consumption, high speed, and CMOS & TTL compatible inputs. Its low supply voltage range of 3.3V expands design options for users. Its unique features make it suitable for different applications such as communications, memory buses, data systems, microprocessors buses, and other logic gate interfaces.

This device is a part of the Advanced CMOS Logic family from Fairchild. The company offers a wide range of solutions in the form of logic devices, power management solutions and analog products . Fairchild’s solutions are specifically designed to address the requirements of today’s evolving systems by providing high performance and energy efficiency, robust analytics and enhanced system management capabilities.

Featuring lower power and higher drive capability, the 74ACTQ16245MTD is the right choice for various applications. It is an essential part of designing a high performance solution. Its working principle and use of transceivers make it an efficient and cost-effective choice for high performance memory-to-memory and memory-to-I/O applications, and other general purpose buffer applications.

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