Electrical characteristics

ST3485EB - ST3485EC

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Note:

1

state.

2

3

The transceivers are put into shutdown by bring RE high and DE low. If the input are in state

for less than 80 ns, the part are guaranteed not to enter shutdown. If the inputs are in this

state for at least 300 ns, the parts are guaranteed to have entered shutdown.

Table 12.

Receiver switching characteristics

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

Propagation delay

(Figure 12 and Figure 13)

30

50

ns

delay skew

(Figure 12 and Figure 13)

13

ns

Output enable time

20

ns

Output enable time

20

ns

Output disable time

20

ns

Output disable time

20

ns

Receiver enable from

shutdown to output high

20

ns

Receiver enable from

shutdown to output low

40

µs