DS3893AV datasheet(3/7 Pages) NSC

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Switching Characteristics

A = 0 to +70˚C, VCC =5V ±10%

Symbol

Parameter

Conditions

Min

Typ

Max

Units

DRIVER: (Figure 3 and Figure 6)

PHL

Driver Input to Output

T =2VRT =10

Ω,C

L = 30 pF, DE = 3V

3.5

PLH

Driver Input to Output

T = 2V, RT =10

Ω,C

L = 30 pF, DE = 3V

3.5

Output Rise time

T = 2V, RT =10

Ω,C

L =30pF, DE=3V

Output Fall Time

T = 2V, RT =10

Ω,C

L =30pF, DE=3V

skew

Skew Between Drivers

(Note 6)

in Same Package

DRIVER ENABLE: (Figure 3 and Figure 6)

PHL

Enable Delay

T = 2V, RT =10

Ω,C

L = 30 pF, Dn = 3V

3.5

PLH

Disable Delay

T = 2V, RT =10

Ω,C

L = 30 pF, Dn = 3V

3.5

RECEIVER: (Figure 4 and Figure 7)

PHL

Receiver Input to Output

L = 50 pF, RE = DE = 0.3V, S3 Closed

258

PLH

Receiver Input to Output

L = 50 pF, RE = DE = 0.3V, S3 Open

258

skew

Skew Between Receivers

(Note 6)

in Same Package

RECEIVER ENABLE: (Figure 5 and Figure 8)

Receiver Enable to

L = 50 pF, RL = 500, DE = 0.3V

Output Low

S2 Open

Bn = 2V

Receiver Enable to

L = 50 pF, RL = 500, DE = 0.3V

Output High

S1 OpenBn = 1V

Receiver Disable

L = 50 pF, RL = 500, DE = 0.3V

From Output Low

S2 OpenBn = 2V

Receiver Disable

L = 50 pF, RL = 500, DE = 0.3V

From Output High

S1 OpenBn = 1V

Note 6: tD and tR skew is an absolute value, defined as differences seen in propagation delays between each of the drivers or receivers in the same package of

the same delay, VCC, temperature and load conditions.

00869812

FIGURE 1. Equivalent Bus Output

00869802

Note: n=1,2,3,4

FIGURE 2. Driver Output Voltage

DS3893AV Datasheet(PDF) 3 Page - National Semiconductor (TI)

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