ST485

Electrical characteristics

7/19

4.1

Driver switching characteristics

No Load Supply Current

(2)

400

300

900

500

900

500

µA

µA

Driver Short-Circuit

(3)

35

250

35

250

mA

Driver Short-Circuit

(3)

35

250

35

250

mA

Receiver Short-Circuit

Current

795

7

95

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 5.

DC Electrical characteristics

Symbol

Parameter

Value

Unit

-40 to 85 °C

-55 to 125 °C

Min

Typ

Max

Min

Max

Table 6.

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.)

315

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.