MC74VHCT573A-D| Datasheet

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MC74VHCT573A Octal D-Type Latch with 3-State Output
The MC74VHCT573A is an advanced high speed CMOS octal latch with 3-state output fabricated with silicon gate CMOS technology. It achieves high speed operation similar to equivalent Bipolar Schottky TTL while maintaining CMOS low power dissipation. This 8-bit D-type latch is controlled by a latch enable input and an output enable input. When the output enable input is high, the eight outputs are in a high impedance state. The VHCT inputs are compatible with TTL levels. This device can be used as a level converter for interfacing 3.3 V to 5.0 V, because it has full 5.0 V CMOS level output swings. The VHCT573A input and output (when disabled) structures provide protection when voltages between 0 V and 5.5 V are applied, regardless of the supply voltage. These input and output structures help prevent device destruction caused by supply voltage-input/output voltage mismatch, battery backup, hot insertion, etc.
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MARKING DIAGRAMS
20 VHCT573A AWLYYWWG 1

SOIC-20WB SUFFIX DW CASE 751D

20 VHCT 573A ALYWG G 1

High Speed: tPD = 7.7 ns (Typ) at VCC = 5.0 V Low Power Dissipation: ICC = 4 mA (Max) at TA = 25 C TTL-Compatible Inputs: VIL = 0.8 V; VIH = 2.0 V Power Down Protection Provided on Inputs and Outputs Balanced Propagation Delays Designed for 4.5 V to 5.5 V Operating Range Low Noise: VOLP = 1.6 V (Max) Pin and Function Compatible with Other Standard Logic Families Latchup Performance Exceeds 300 mA ESD Performance: Human Body Model > 2000 V; Machine Model > 200 V Chip Complexity: 234 FETs or 58.5 Equivalent Gates Pb-Free Packages are Available*

TSSOP-20 SUFFIX DT CASE 948E

A = Assembly Location WL, L = Wafer Lot YY, Y = Year WW, W = Work Week G or G = Pb-Free Package (Note: Microdot may be in either location)

FUNCTION TABLE
INPUTS OE L L L H LE H H L X D H L X X OUTPUT Q H L No Change Z

ORDERING INFORMATION
See detailed ordering and shipping information in the package dimensions section on page 4 of this data sheet.

*For additional information on our Pb-Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D.
Semiconductor Components Industries, LLC, 2006

January, 2006 - Rev. 4

Publication Order Number: MC74VHCT573A/D