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MFG:ON  Package Cooled:SOP20  D/C:06+  

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Part Number: MC74ACT573

 

MFG: ON

Package Cooled: SOP20

D/C: 06+

Description: The MC74AC573/74ACT574 contains eight D−type latches with 3−state output buffers. When the Latch Enable (LE...


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MC74ACT573 General Description


The MC74AC573/74ACT574 contains eight D−type latches with 3−state output buffers. When the Latch Enable (LE) input is HIGH, data on the Dn inputs enters the latches.In this condition the latches are transparent, i.e., a latch output will change state each time its D input changes. When LE is LOW the latches store the information that was present on the D inputs a setup time preceding the information that was present on the D inputs a setup time preceding the HIGH−to−LOW transition of LE. The 3−state buffers are controlled by the Output Enable (OE) input. When OE is LOW, the buffers are enabled. When OE is HIGH the buffers are in the high impedance mode but this does not interfere with entering new data into the latches.

MC74ACT573 Maximum Ratings

Symbol Parameter Value Unit
VCC DC Supply Voltage (Referenced to GND) 0.5 to +7.0 v
VIN DC Input Voltage (Referenced to GND) 0.5 to VCC +0.5 v
VOUT DC Output Voltage (Referenced to GND) 0.5 to VCC +0.5 v
IIN DC Input Current, per Pin ±20 mA
IOUT DC Output Sink/Source Current, per Pin ±50 mA
ICC DC VCC or GND Current per Output Pin ±50 mA
Tstg Storage Temperature 65 to +150 °C

MC74ACT573 Features

• Inputs and Outputs on Opposite Sides of Package Allowing Easy Interface with Microprocessors
• Useful as Input or Output Port for Microprocessors
• Functionally Identical to MC74AC373/74ACT373
• 3−State Outputs for Bus Interfacing
• Outputs Source/Sink 24 mA
• ACT573 Has TTL Compatible Inputs
• Pb−Free Packages are Available*

MC74ACT573 Connection Diagram

MC74ACT573 Connection Diagram
PIN FUNCTION
D0D7 Data Inputs
LE Latch Enable Input
OE 3−State Output Enable Input
Q0Q7 3−State Latch Outputs

MC74ACT573 datasheet

MC74ACT573
PDF/DataSheet Download

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