Dual Differential Transceiver BTF1A
With Idle Bus Indicator
Data Sheet
March 2001
Electrical Characteristics
(continued)
Table 4. Driver Voltage and Current Characteristics
For variations in output voltage over the temperature range, see Figure 10 and Figure 11. T
A
=
−40
°C to +125 °C.
Parameter
Output Voltages:
Low
1
High
1
:
Differential Voltage (V
OH
– V
OL
)
Output Voltage Third State:
Difference Voltage Vdo - Vdo
Third State, I
OH
= –1.0 mA, V
CC
= 4.75 V
Output Voltages (T
A
= 0 °C to 85 °C):
Low
1
High
1
:
Differential Voltage (V
OH
– V
OL
)
Input Voltages:
Low, V
CC
= 5.25 V:
Data Input
Enable Input
High, V
CC
= 4.75 V
Clamp, V
CC
= 4.75 V, I
I
= –5.0 mA
Short-circuit Output Current, V
CC
= 5.25 V
Input Currents, V
CC
= 5.25 V:
Low, V
I
= 0.4 V
High, V
I
= 2.7 V
Reverse, V
I
= 5.25 V
Symbol
V
OL
V
OH
V
DIFF
V
DIFZ
V
OZ
V
OL
V
OH
V
DIFF
V
IL
2
V
IL
3
V
IL
3
V
IH
2
V
IK
I
OS
I
IL
I
IH
I
IH
Min
V
OH
– 1.4
V
CC
−
1.8
0.65
0.4
—
V
OH
– 1.4
V
CC
−
1.5
0.8
—
—
—
2.0
—
–100
—
—
—
Typ
V
OH
−
1.1
V
CC
−
1
1.1
0.6
—
V
OH
−
1.1
V
CC
−
1
1.1
—
—
—
—
—
—
—
—
—
Max
V
OH
−
0.65
V
CC
−
0.8
1.4
—
V
OL
−
0.2
V
OH
−
0.8
V
CC
−
0.8
1.4
0.8
0.8
0.7
—
−1.0
—
−400
20
100
Unit
V
V
V
V
V
V
V
V
V
V
V
V
V
mA
µA
µA
µA
1. Values are with terminations as per Figure 7.
2. The input levels and difference voltage provide zero noise immunity and should be tested only in a static, noise-free environment.
3. Test must be performed one lead at a time to prevent damage to the device.
4
Agere Systems Inc.
AGERE [ AGERE SYSTEMS ]
