ST485B - ST485C

Electrical characteristics

7/19

Driver short-circuit

(3)

35

25035250

mA

Driver short-circuit

(3)

35

25035250

mA

Receiver short-circuit

current

7

95795

mA

1.

All currents into device pins are positive; all cuttents out of device pins are negative; all voltages are referenced to device

ground unless specified.

2.

3.

Applies to peak current. See typical Operating Characteristics.

Table 6.

DC electrical characteristics (continued)

Symbol

Parameter

Value

Unit

-40 to 85 °C

-55 to 125 °C

Min.

Typ.

Max.

Min.

Max.

Table 7.

Driver switching characteristics

Symbol

Parameter

Value

Unit

-40 to 85 °C

-55 to 125°C

Min.

Typ.

Max.

Min.

Max.

Propagation delay

input to output

(See Figure 4 and Figure 6)

10

30

60

70

ns

Output skew to output

(See Figure 4 and Figure 6)

510

10

ns

Rise or fall time

(See Figure 4 and Figure 6)

3

15

40

3

45

ns

Output enable time

(See Figure 5 and Figure 7)

70

90

90

ns

Output enable time

(See Figure 5 and Figure 7)

70

90

90

ns

Output disable time

(See Figure 5 and Figure 7)

70

90

90

ns

Output disable time

(See Figure 5 and Figure 7)

70

90

90

ns

1.

All currents into device pins are positive; all cuttents out of device pins are negative; all voltages are referenced to device

ground unless specified.