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. TA = −40 °C to +125 °C.
Parameter
Symbol
Min
Typ
Max
Unit
Output Voltages:
Low1
VOL
VOH
VOH – 1.4
VCC − 1.8
0.65
VOH − 1.1
VCC − 1
1.1
VOH − 0.65
VCC − 0.8
1.4
V
V
V
High1:
Differential Voltage (VOH – VOL)
VDIFF
Output Voltage Third State:
Difference Voltage Vdo - Vdo
Third State, IOH = –1.0 mA, VCC = 4.75 V
Output Voltages (TA = 0 °C to 85 °C):
Low1
VDIFZ
VOZ
0.4
—
0.6
—
—
V
V
VOL − 0.2
VOL
VOH
VOH – 1.4
VCC − 1.5
0.8
VOH − 1.1
VCC − 1
1.1
VOH − 0.8
VCC − 0.8
1.4
V
V
V
High1:
Differential Voltage (VOH – VOL)
Input Voltages:
VDIFF
2
Low, VCC = 5.25 V:
VIL
—
—
—
—
—
—
—
—
0.8
0.8
0.7
—
V
V
3
Data Input
VIL
3
Enable Input
VIL
—
V
2
High, VCC = 4.75 V
VIH
2.0
—
V
Clamp, VCC = 4.75 V, II = –5.0 mA
Short-circuit Output Current, VCC = 5.25 V
Input Currents, VCC = 5.25 V:
Low, VI = 0.4 V
VIK
IOS
−1.0
—
V
–100
mA
IIL
IIH
IIH
—
—
—
—
—
—
−400
20
µA
µA
µA
High, VI = 2.7 V
Reverse, VI = 5.25 V
100
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 ]
