BTM1A Agere Systems, BTM1A Datasheet - Page 7

• Manufacturer Part Number: BTM1A
• Description: Dual Differential Transceivers--BTK1A And BTM1A
• Manufacturer: Agere Systems

October 2001
Agere Systems Inc.
Timing Characteristics
Note: This graph is included as an aid to the system designers. Total circuit delay varies with load capacitance. The total delay is the sum of the
delay due to the external capacitance and the intrinsic delay of the device.
TRANSITION
OUTPUTS
INPUT
OUTPUT
OUTPUT
OUTPUT
Figure 2. Typical Extrinsic Propagation Delay Versus Load Capacitance at 25 °C
t
t
PHH
20%
PHL
t
P1
(continued)
80%
Figure 3. Driver Propagation Delay Timing
4
7
6
5
3
2
1
0
0
t
tLH
25
t
PLH
50
LOAD CAPACITANCE, C
(TYP)
75
100
125
t
t
PLH
PLL
80%
t
t
P2
PHL
L
(pF)
150
(TYP)
20%
175 200
t
tHL
BTK1A and BTM1A
2.4 V
1.5 V
0.4 V
V
V
V
(V
V
V
(V
V
V
V
OH
OL
OH
OL
OH
OL
OH
OL
OH
OH
+ V
+ V
OL
OL
)/2
)/2
12-3462(F)
12-2677(F)
7