CY74FCT16543T

CY74FCT162543T

CY74FCT162H543T

5

CY74FCT16543T

CY74FCT162543T

CY74FCT16543AT

CY74FCT162543AT

Fig.

Parameter

Description

Min.

Max.

Min.

Max.

Unit

Propagation Delay

Transparent Mode

A to B or B to A

1.5

8.5

1.5

6.5

ns

1, 3

Propagation Delay

LEBA to A, LEAB to B

1.5

12.5

1.5

8.0

ns

1, 5

Output Enable Time

OEBA or OEAB to A or B

CEBA or CEAB to A or B

1.5

12.0

1.5

9.0

ns

1, 7, 8

Output Disable Time

OEBA or OEAB to A or B

CEBA or CEAB to A or B

1.5

9.0

1.5

7.5

ns

1, 7, 8

Set-up Time HIGH or LOW

A or B to LEAB or LEBA

2.0

—

2.0

—

ns

4

Hold Time HIGH or LOW

A or B to LEAB or LEBA

2.0

—

2.0

—

ns

4

LEBA or LEAB Pulse Width LOW

4.0

—

4.0

—

ns

5

—

0.5

—

0.5

ns

—

CY74FCT16543CT

CY74FCT162543CT

CY74FCT162H543CT

CY74FCT16543ET

CY74FCT162543ET

Fig.

Parameter

Description

Min.

Max.

Min.

Max.

Unit

Propagation Delay

Transparent Mode

A to B or B to A

1.5

5.1

1.5

3.4

ns

1, 3

Propagation Delay

LEBA to A, LEAB to B

1.5

5.6

1.5

3.7

ns

1, 5

Output Enable Time

OEBA or OEAB to A or B

CEBA or CEAB to A or B

1.5

7.8

1.5

4.8

ns

1, 7, 8

Output Disable Time

OEBA or OEAB to A or B

CEBA or CEAB to A or B

1.5

6.5

1.5

4.0

ns

1, 7, 8

Set-up Time HIGH or LOW

A or B to LEAB or LEBA

2.0

—

1.0

—

ns

4

Hold Time HIGH or LOW

A or B to LEAB or LEBA

2.0

—

1.0

—

ns

4

LEBA or LEAB Pulse Width LOW

4.0

—

3.0

—

ns

5

—

0.5

—

0.5

ns

—

Notes:

14. Minimum limits are specified but not tested on Propagation Delays.

15. See “Parameter Measurement Information” in the General Information section.

16. Skew between any two outputs of the same package switching in the same directional. This parameter is ensured by design.