54FCT244ATLB

Series:	--
Packaging:	Tube
Part Status:	Active
Logic Type:	Buffer, Non-Inverting
Number of Elements:	2
Number of Bits per Element:	4
Input Type:	--
Output Type:	3-State
Current - Output High, Low:	12mA, 48mA
Voltage - Supply:	4.5 V ~ 5.5 V
Operating Temperature:	-55°C ~ 125°C (TA)
Mounting Type:	Surface Mount
Package / Case:	20-LCC Exposed Pad
Supplier Device Package:	20-LCC (8.89x8.89)

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Logic - Buffers, Drivers, Receivers, Transceivers

The 54FCT244ATLB is a high-performance octal transparent latched buffer, professional manufactured by Texas Instruments. It is used to buffer address and data in a variety of applications including Fast Cycle Memory and Input/Output (I/O) expansion.

Features

The 54FCT244ATLB has the following features: • It is logic-compatible with low voltage Schottky 22V 10K series logic and is designed to interface with TTL logic levels.• Its operating voltage range is from 2.7V to 5.5V. • Input levels are compatible with standard CMOS or TTL.• It has low power consumption of 70μA typical. • The 54FCT244ATLB is pin and functionally compatible with the standard 74FCT244AT.• It features three-state outputs with full bus-holders. • Its delay time is 6ns maximum. • The 54FCT244ATLB is available in a 20-pin low-profile plastic thin shrink small outline package (TSSOP).

Application Field

The 54FCT244ATLB is widely used in many types of applications, including: • Memory expansion • I/O expansion • High-speed data processing• High-speed system interconnects • Networking • Communication systems• Automotive electronics

Working Principle

The 54FCT244ATLB is an octal transparent latched buffer that features a low voltage Schottky (22V 10K Series) logic-compatible input and a TTL logic-compatible output. The device has three-state outputs with full bus-holders and its delay time is 6ns maximum. The device has an enable control which controls which output is active. The enable control can be programmed as active high, active low, or disable. When the enable control is active low, the data is supplied from the input to the output. When the enable control is active high, the data is latched on the input and presented to the output. When the enable control is disabled, the output is disabled and the output is in a high impedance state. The 54FCT244ATLB is an ideal device for applications which require a fast and reliable data processing and high-speed system interconnects.

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