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BTM1A16NB View Datasheet(PDF) - Agere -> LSI Corporation

Part Name
Description
View to exact match
BTM1A16NB
Agere
Agere -> LSI Corporation Agere
BTM1A16NB Datasheet PDF : 18 Pages
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Dual Differential Transceivers
BTK1A and BTM1A
Data Sheet
October 2001
Timing Characteristics
Table 6. Driver Timing Characteristics (See Figure 3 and Figure 4.)
For tP1 and tP2 propagation delays over the temperature range, see Figure 13. Propagation delay test circuit
connected to output is shown in Figure 7. TA = 40 °C to +125 °C, VCC = 5 V ± 0.5 V.
Parameter
Propagation Delay:
Input High to Output
Input Low to Output
Capacitive Delay
Disable Time (either E1 or E2):
High-to-High Impedance
Low-to-High Impedance
Enable Time (either E1 or E2):
High Impedance to High
High Impedance to Low
Output Skew:
|tP1 tP2|
|tPHH tPHL|, |tPLH tPLL|
Difference Between Drivers
Rise Time (20%80%)
Fall Time (80%20%)
Symbol
tP1*
tP2*
tp
tPHZ
tPLZ
tPZH
tPZL
tskew1
tskew2
tskew
ttLH
ttHL
Min
0.8
0.8
4
4
4
4
Typ
1.2
1.2
0.02
8
8
8
8
0.1
0.2
0.7
0.7
Max
Unit
2.0
ns
2.0
ns
0.03
ns/pF
12
ns
12
ns
12
ns
12
ns
0.3
ns
0.5
ns
0.3
ns
2
ns
2
ns
* tP1 and tP2 are measured from the 1.5 V point of the input to the crossover point of the outputs (see Figure 3).
CL = 5 pF. Capacitor is connected from each output to ground.
Table 7. Receiver Timing Characteristics (See Figure 5 and Figure 6.)
For propagation delays (tPLH and tPHL) over the temperature range, see Figure 14 and Figure 15. Propagation delay
test circuit connected to output is shown in Figure 8. TA = 40 °C to +125 °C, VCC = 5 V ± 0.5 V.
Parameter
Propagation Delay:
Input to Output High
Input to Output Low
Pulse Width Distortion, ltpHL-tpLHI:
Load Capacitance (CL) = 15 pF
Load Capacitance (CL) = 150 pF
Output Waveform Skews:
Part-to-Part Skew, TA = 75 °C
Part-to-Part Skew, TA = 40 °C to +125 °C
Same Part Skew
Disable Time, CL = 5 pF:
High-to-high Impedance
Low-to-high Impedance
Enable Time:
High Impedance to High
High Impedance to Low
Rise Time (20%80%)
Fall Time (80%20%)
Symbol
Min
Typ
Max
Unit
tPLH
1.5
2.5
4.0
ns
tPHL
1.5
2.5
4.0
ns
tskew1
tskew1
0.7
ns
4.0
ns
tskew1p-p
0.8
1.4
ns
tskew1p-p
1.5
ns
tskew
0.3
ns
tPHZ
5
12
ns
tPLZ
5
12
ns
tPZH
8
12
ns
tPZL
8
12
ns
ttLH
3.0
ns
ttHL
3.0
ns
6
Agere Systems Inc.
 

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