SN74ABT533APWR Integrated Circuits (ICs)

Series:	74ABT
Packaging:	Tape & Reel (TR)
Part Status:	Active
Logic Type:	D-Type Transparent Latch
Circuit:	8:8
Output Type:	Tri-State
Voltage - Supply:	4.5 V ~ 5.5 V
Independent Circuits:	1
Delay Time - Propagation:	4.9ns
Current - Output High, Low:	32mA, 64mA
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	20-TSSOP (0.173", 4.40mm Width)
Supplier Device Package:	20-TSSOP
Base Part Number:	74ABT533

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The SN74ABT533APWR is a latch type of digital logic device which is used in a variety of applications. These applications range from interfacing digital systems to controlling power supplies and motors. A latch is an electronic device which is used to store data in a digital format. The data stored in the latch can be retrieved at a later time. The SN74ABT533APWR is a four-bit, dual-data rate latch which interfaces bidirectionally between low voltage CMOS (Complementary Metal Oxide Semiconductor) and TTL (Transistor-Transistor Logic) systems. It also provides turbocharging for high speed data transfer and is widely used in logic-level translation applications. The device is designed to operate from a wide supply voltage range (1.65V to 5.5V). The design of the SN74ABT533APWR uses Schmitt triggers for all logic inputs, enabling the device to be used for low voltage switching and buffering applications. The Schmitt trigger circuit is designed to provide hysteresis, which means that it has two thresholds; one below which, input signals will remain low and another above which, the signals will remain high. The hysteresis implemented in the Schmitt trigger makes the SN74ABT533APWR more reliable in some types of circuit applications. The SN74ABT533APWR operates using the positive edge-triggered D-type flip-flop design. When a positive clock edge (CLK) is applied to the device, both the data input (D) and data output (Q) are changed to their new values. When the clock is low, the last data present at the input is maintained at the output. The device is active low i.e. When the Enable (EN) pin is low, the output is disabled and the data stored in the latch is latched at the output. The SN74ABT533APWR is also designed with an asynchronous clear (CLR) function for quick resetting of the latch to the low level. In addition, the latch has an open-drain output which provides the advantage of a tri-state output. By placing the device in a tri-state, the logic output is disconnected from the logic path, thereby providing the user more flexibility in the use of logic resources.In conclusion, the SN74ABT533APWR is suitable for a wide range of applications including interfacing digital systems and controlling power supplies and motors. It is designed with a positive edge-triggered flip-flop, Schmitt trigger inputs, asynchronous clear functionality, and open-drain output for added capability. The device is designed to operate from a wide supply voltage range, making it an ideal choice for low voltage switching and buffering applications.

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