74LCX574TTR(2004) View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

74LCX574TTR
(Rev.:2004)

OCTAL D-TYPE FLIP FLOP NON-INVERTING (3-STATE) WITH 5V TOLERANT INPUTS AND OUTPUTS

STMicroelectronics 

74LCX574

Figure 2: Input And Output Equivalent Circuit

Table 2: Pin Description

PIN N°

1

2, 3, 4, 5, 6,

7, 8, 9

12, 13, 14,

15, 16, 17,

18, 19

11

10

20

SYMBOL

OE

D0 to D7

NAME AND FUNCTION

3-State Output Enable

Input (Active LOW)

Data Inputs

Q0 to Q7 3-State Outputs

CK

GND

VCC

Clock Input (LOW-to-HIGH

Edge Triggered)

Ground (0V)

Positive Supply Voltage

Figure 3: Logic Diagram

Table 3: Truth Table

INPUT

OE

CK

D

H

X

X

L

X

L

L

L

H

X : Don’t Care

Z : High Impedance

OUTPUT

Q

Z

NO CHANGE

L

H

This logic diagram has not be used to estimate propagation delays

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