Data Sheet
March 2001
Dual Differential Transceiver BTF1A
With Idle Bus Indicator
Temperature Characteristics
(continued)
3.8
3.6
PROPAGATION DELAY (ns)
3.2
VOLTAGE (V)
2.8
2.4
2.0
1.6
1.2
0.8
0.4
0.0
–50
–25
0
I
OL
MAX
25
50
75
100
125
150
I
OH
MIN
3.50
MAX
3.00
TYP
2.50
MIN
2.00
1.50
1.00
–50
4.00
–25
0
25
50
75
100
125
150
TEMPERATURE (°C)
12-3464.a(F)
TEMPERATURE (°C)
12-3465(F)
Figure 12. Minimum V
OH
and Maximum V
OL
vs.
Temperature at V
CC
= 4.5 V for the
Receiver
Figure 14. Propagation Delay for a High Output
(t
PLH
) vs. Temperature at V
CC
= 5.0 V for
the Receivers
2.3
PROPAGATION DELAY (ns)
2.1
PROPAGATION DELAY (ns)
1.9
1.7
1.5
1.3
1.1
0.9
0.7
0.5
0.3
–50
–25
0
25
50
75
100
125 150
RANGE FOR t
P1
AND t
P2
MAX
MIN
4.00
MAX
3.50
3.00
2.50
MIN
2.00
1.50
1.00
–50
TYP
–25
0
25
50
75
100
125
150
TEMPERATURE (°C)
12-3469.a(F)
TEMPERATURE (°C)
12-3466(F)
Figure 13. Min and Max for t
P1
and t
P2
Propagation
Delays vs. Temperature for the Driver
Figure 15. Propagation Delay for a Low Output
(t
PHL
) vs. Temperature at V
CC
= 5.0 V for
the Receivers
Agere Systems Inc.
11
AGERE [ AGERE SYSTEMS ]
