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BRF1A View Datasheet(PDF) - Agere -> LSI Corporation

Part Name
Description
Manufacturer
BRF1A Datasheet PDF : 12 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
Data Sheet
April 2001
Quad Differential Receivers
BRF1A, BRF2A, BRS2B, BRR1A, and BRT1A
Timing Characteristics (continued)
INPUT
INPUT
OUTPUT
tPHL
80%
20%
ttHL
tPLH
20%
80%
ttLH
Figure 4. Receiver Propagation Delay Timing
3.7 V
3.2 V
2.7 V
VOH
1.5 V
VOL
12-2251.b(F)
E1*
E2
VOH
OUTPUT
VOL
tPHZ
* E2 = 1 while E1 changes state.
† E1 = 0 while E2 changes state.
tPZH
tPLZ
V = 0.5 V
V = 0.5 V
V = 0.5 V
Figure 5. Receiver Enable and Disable Timing
3V
1.5 V
0V
3V
1.5 V
0V
tPZL
V = 0.5 V
12-253.b(F)
Test Conditions
Parametric values specified under the Electrical Characteristics and Timing Characteristics sections for the data
transmission driver devices are measured with the following output load circuits.
TO OUTPUT OF
DEVICE UNDER
TEST
CL
15 pF*
5V
2 k
5 k
* Includes probe and jig capacitances.
Note: All 458E, IN4148, or equivalent diodes.
Agere Systems Inc.
Figure 6. Receiver Propagation Delay Test Circuit
12-2249(F)
5
 

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