2

Agere Systems Inc.

Data Sheet

March 2001

With Idle Bus Indicator

Dual Differential Transceiver BTF1A

Pin Information

12-2747.a(F)

Figure 1. Differential Transceiver Logic Diagram

Table 1. Enable Truth Table

Absolute Maximum Ratings

Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are abso-

lute stress ratings only. Functional operation of the device is not implied at these or any other conditions in excess

of those given in the operational sections of the data sheet. Exposure to absolute maximum ratings for extended

periods can adversely affect device reliability.

Table 2. Absolute Maximum Ratings

ED

ER

D1

D2

R1

R2

0

0

Active

Active

Active

Active

1

0

Disabled

Disabled

Active

Active

0

1

Active

Active

Disabled

Disabled

1

1

Disabled

Disabled

Disabled

Disabled

Parameter

Symbol

Min

Max

Unit

Power Supply Voltage

—6.5

V

Ambient Operating Temperature

−40

125

°C

Storage Temperature

−55

150

°C

1

2

3

4

5

6

7

8

ED

16

15

14

13

12

11

10

9

RO1

DI1

ER

GND

DI2

RO2

DO1

RI1

RI1

DO1

DO2

DO2

RI2

RI2

D1

R2

BTF1A

D2

R1