Electrical characteristics

ST2149

14/23

Doc ID 15949 Rev 2

Propagation delay time

–

4.9

–

4.4

–

4.1

–

4.4

ns

–

4.6

–

4.2

–

4.0

–

3.6

ns

–

27

–

27

–

27

–

27

ns

–

145

–

145

–

145

–

145

41

–

66

–

84

–

86

–

Mbps

1.

Data rate is guaranteed based on the condition that output I/O signal rise/fall time is less than 15% of period of input I/O

signal; input I/O signal is at 50% duty cycle and output I/O signal duty cycle deviation is less than 50% ± 10%.

Table 7.

Table 8.

Symbol

Parameter

3.6 V

Unit

Min.

Max.

Min.

Max.

Min.

Max.

–

3.3

–

2.2

–

1.6

ns

–

1.7

–

1.6

–

1.4

ns

–

2.2

–

2.0

–

1.9

ns

–

1.3

–

1.2

–

1.2

ns

Propagation delay time

–

4.6

–

4.3

–

3.9

ns

–

3.6

–

3.3

–

2.9

ns

Propagation delay time

–

3.9

–

3.5

–

3.5

ns

–

3.6

–

3.0

–

2.5

ns

–

20

–

20

–

20

ns

–

130

–

130

–

130

84

–

85

-

88

–

Mbps

1.

Data rate is guaranteed based on the condition that output I/O signal rise/fall time is less than 15% of period of input I/O

signal; input I/O signal is at 50% duty cycle and output I/O signal duty cycle deviation is less than 50% ± 10%.

Table 9.

Symbol

Parameter

Unit

Min.

Max.

Min.

Max.

–

1.8

–

1.7

ns

–

1.3

–

1.2

ns

–

1.6

–

1.5

ns

–

1.1

–

1.1

ns

Propagation delay time

–

4.1

–

4.1

ns

–

2.6

–

2.3

ns