CY54FCT573T, CY74FCT573T

8-BIT LATCHES

WITH 3-STATE OUTPUTS

SCCS068 – OCTOBER 2001

2

POST OFFICE BOX 655303

ORDERING INFORMATION

TA

PACKAGE†

SPEED

(ns)

ORDERABLE

PART NUMBER

TOP-SIDE

MARKING

QSOP – Q

Tape and reel

4.7

CY74FCT573CTQCT

FCT573C

SOIC

SO

Tube

4.7

CY74FCT573CTSOC

FCT573C

SOIC – SO

Tape and reel

4.7

CY74FCT573CTSOCT

FCT573C

DIP – P

Tube

5.2

CY74FCT573ATPC

CY74FCT573ATPC

40

°Cto85°C

QSOP – Q

Tape and reel

5.2

CY74FCT573ATQCT

FCT573A

–40

°C to 85°C

SOIC

SO

Tube

5.2

CY74FCT573ATSOC

FCT573A

SOIC – SO

Tape and reel

5.2

CY74FCT573ATSOCT

FCT573A

QSOP – Q

Tape and reel

8

CY74FCT573TQCT

FCT573

SOIC

SO

Tube

8

CY74FCT573TSOC

FCT573

SOIC – SO

Tape and reel

8

CY74FCT573TSOCT

FCT573

–55

°C to 125°C

CDIP – D

Tube

8.5

CY54FCT573ATLMB

† Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at

www.ti.com/sc/package.

FUNCTION TABLE

INPUTS

OUTPUT

OE

LE

D

O

L

H

H

H

L

HL

L

L

LX

Q0

H

X

X

Z

H = High logic level, L = Low logic level,

X = Don’t care, Z = High-impedance state,

Qn = Previous state of flip flops (Qn–1)

logic diagram (positive logic)

OE

To Seven Other Channels

1

11

2

19

LE

D0

CP

D

O0

Q