CY54FCT543T, CY74FCT543T

8-BIT LATCHED REGISTERED TRANSCEIVERS

WITH 3-STATE OUTPUTS

SCCS030A – MAY 1994 – REVISED OCTOBER 2001

6

POST OFFICE BOX 655303

switching characteristics over operating free-air temperature range (see Figure 1)

PARAMETER

FROM

TO

CY54FCT543T

CY74FCT543T

CY74FCT543AT

CY74FCT543CT

UNIT

PARAMETER

(INPUT)

(OUTPUT)

MIN

MAX

MIN

MAX

MIN

MAX

MIN

MAX

UNIT

tPLH

AorB

BorA

2

10

2.5

8.5

2.5

6.5

2.5

5.3

ns

tPHL

A or B

B or A

2

10

2.5

8.5

2.5

6.5

2.5

5.3

ns

tPLH

LEBA or LEAB

AorB

2.5

14

2.5

12.5

2.5

8

2.5

7

ns

tPHL

LEBA or LEAB

A or B

2.5

14

2.5

12.5

2.5

8

2.5

7

ns

tPZH

OEBA or OEAB

AorB

2

14

2

12

2

9

2

8

ns

tPZL

OEBA or OEAB

A or B

2

14

2

12

2

9

2

8

ns

tPZH

CEBA or CEAB

AorB

2

14

2

12

2

9

2

8

ns

tPZL

CEBA or CEAB

A or B

2

14

2

12

2

9

2

8

ns

tPHZ

OEBA or OEAB

AorB

2

13

2

9

2

7.5

2

6.5

ns

tPLZ

OEBA or OEAB

A or B

2

13

2

9

2

7.5

2

6.5

ns

tPHZ

CEBA or CEAB

AorB

2

13

2

9

2

7.5

2

6.5

ns

tPLZ

CEBA or CEAB

A or B

2

13

2

9

2

7.5

2

6.5

ns