CY74FCT16646T

CY74FCT162646T

6

Parameter

Description

CY74FCT16646T

CY74FCT16646AT

CY74FCT162646AT

Unit

Min.

Max.

Min.

Max.

Propagation Delay

Bus to Bus

1.5

9.0

1.5

6.3

ns

1, 2

Output Enable Time

DIR or OE to Bus

1.5

14.0

1.5

9.8

ns

1, 7, 8

Output Disable Time

DIR or OE to Bus

1.5

9.0

1.5

6.3

ns

1, 7, 8

Propagation Delay

Clock to Bus

1.5

9.0

1.5

6.3

ns

1, 5

Propagation Delay

SBA or SAB to Bus

1.5

11.0

1.5

7.7

ns

1,5

Set-Up Time HIGH or

LOW Bus to Clock

2.0

—

2.0

—

ns

4

Hold Time HIGH or

LOW Bus to Clock

1.5

—

1.5

—

ns

4

Clock Pulse Width

HIGH or LOW

5.0

—

5.0

—

ns

6

—

0.5

—

0.5

ns

—

Parameter

Description

CY74FCT16646CT

CY74FCT162646CT

CY74FCT16646ET

CY74FCT162646ET

Unit

Min.

Max.

Min.

Max.

Propagation Delay

Bus to Bus

1.5

5.4

1.5

3.8

ns

1, 2

Output Enable Time

DIR or OE to Bus

1.5

7.8

1.5

4.8

ns

1, 7, 8

Output Disable Time

DIR or OE to Bus

1.5

6.3

1.5

4.0

ns

1, 7, 8

Propagation Delay

Clock to Bus

1.5

5.7

1.5

3.8

ns

1, 5

Propagation Delay

SBA or SAB to Bus

1.5

6.2

1.5

4.2

ns

1,5

Set-Up Time HIGH or

LOW Bus to Clock

2.0

—

2.0

—

ns

4

Hold Time HIGH or

LOW Bus to Clock

1.5

—

0.0

—

ns

4

Clock Pulse Width

HIGH or LOW

5.0

—

3.0

—

ns

6

—

0.5

—

0.5

ns

—

Notes:

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

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

17. Skew any two outputs of the same package switching in the same direction. This parameter is ensured by design.