74LVT574 datasheet(3/13 Pages) ONSEMI | Low Voltage Octal D-Type Flip-Flop

Part No.	74LVT574

Description	Low Voltage Octal D-Type Flip-Flop

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Manufacturer	ONSEMI [ON Semiconductor]

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74LVT574, 74LVTH574 Rev. 1.6.0

2

Connection Diagram

Pin Description

Functional Description

The LVT574 and LVTH574 consist of eight edge-

triggered flip-flops with individual D-type inputs and

3-STATE true outputs. The buffered clock and buffered

Output Enable are common to all flip-flops. The eight

flip-flops will store the state of their individual D-type

inputs that meet the setup and hold time requirements

on the LOW-to-HIGH Clock (CP) transition. With the Out-

put Enable (OE) LOW, the contents of the eight flip-flops

are available at the outputs. When the OE is HIGH, the

outputs go to the high impedance state. Operation of the

OE input does not affect the state of the flip-flops.

Logic Symbols

IEEE/IEC

Truth Table

H = HIGH Voltage Level

L = LOW Voltage Level

X = Immaterial

Z = High Impedance

= LOW-to-HIGH Transition

Oo = Previous Oo before HIGH to LOW of CP

Pin Names

Description

D0–D7

Data Inputs

CP

Clock Pulse Input

OE

3-STATE Output Enable Input

O0–O7

3-STATE Outputs

Inputs

Outputs

Dn

CP

OE

On

HL

H

LL

L

XL

L

Oo

XX

H

Z

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