SN74AVC16T245

16BIT DUALSUPPLY BUS TRANSCEIVER

WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3STATE OUTPUTS

SCES551A – FEBRUARY 2004 – REVISED AUGUST 2004

9

POST OFFICE BOX 655303

power-up considerations

A proper power-up sequence always should be followed to avoid excessive supply current, bus contention,

oscillations, or other anomalies. To guard against such power-up problems, take the following precautions:

1.

Connect ground before any supply voltage is applied.

2.

3.

Table 1

VCCB

VCCA

UNIT

VCCB

0 V

1.2 V

1.5 V

1.8 V

2.5 V

3.3 V

UNIT

0 V

0

<0.5

<0.5

<0.5

<0.5

<0.5

1.2 V

<0.5

<1

<1

<1

<1

1

1.5 V

<0.5

<1

<1

<1

<1

1

µA

1.8 V

<0.5

<1

<1

<1

<1

<1

µA

2.5 V

<0.5

1

<1

<1

<1

<1

3.3 V

<0.5

1

<1

<1

<1

<1