ST2349

Electrical characteristics

13/23

5.2

AC characteristics (device driven by totem pole driver )

Table 10.

Symbol

Parameter

Unit

Min

Max

Min

Max

Min

Max

73

4

ns

73

3

ns

64

5

ns

44

4

ns

VCC

Propagation delay time

65

4

ns

55

5

ns

VL

Propagation delay time

65

4

ns

4.5

5.2

7

ns

Output enable and

disable time

En

10

10

10

ns

Dis

40

40

40

ns

1.

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

signal period; the input I/O signal is at 50% duty cycle and the output I/O signal duty cycle deviation not less than 30%.

12

32

32

MHz

Table 11.

Symbol

Parameter

Unit

Min

Max

Min

Max

64

ns

33

ns

55

ns

33

ns

Propagation delay time

3.5

3

ns

44

ns

Propagation delay time

2.5

2.1

ns

ns

44

ns

ns