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DS99144 Datasheet, PDF (7/16 Pages) Agere Systems – QUAD DIFFERENTIAL DRIVERS | |||
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Data Sheet
January 1999
Quad Differential Drivers
BDG1A, BDP1A, BDGLA, BPNGA, BPNPA, and
Test Conditions
Output Characteristics
Parametric values specified under the Electrical Char-
acteristics and Timing Characteristics sections for the
data transmission driver devices are measured with the
following output load circuits.
DO(+)
200 â¦
100 â¦
DO(â)
200 â¦
Figure 6 illustrates typical driver output characteristics.
Included are load lines for two typical termination con-
figurations.
OUTPUT VOLTAGE (V)
VCC â 2 V
VCC â 1 V
VCC
VOH
10
BDG1A, BPNGA, BDGLA, BPPGA (Gates A & B)
12-2271F
100 â¦
DO
DO
BDP1A, BPNPA, BPPGA (Gates C & D)
12-2271.bC
Figure 4. Driver Test Circuit
+5 V
Y LOAD
20
VOL
30
Ï LOAD
40
12-2269F
A. Output Current vs. Output Voltage for Loads
Shown in C and D (BDG1A, BDP1A, BPNGA,
BPNPA, and BPPGA)
OUTPUT VOLTAGE (V)
VCC â 3 V
VCC â 2 V
VCC â 1 V
VCC
VOH
10
110 â¦
DUT
110 â¦
+60 V
SURGE
+
10 µs â
DURATION
1 ms
REPITITION
+60 V
+ SURGE
â
10 µs
DURATION
1 ms
REPETITION
12-2640.aF
Note: Surges can be applied simultaneously, but never in opposite
polarities.
20
Y LOAD
VOL
30
Ï LOAD
40
12-2818aC
B. Output Current vs. Output Voltage for Loads
Shown in C and D (BDGLA)
60 â¦
DO
60 â¦
DO
90 â¦
Figure 5. Lightning-Surge Testing Configuration
(BPNGA, BPNPA, and BPPGA)
C. Y Load
12-2270F
DO(+)
200 â¦
100 â¦
DO(â)
200 â¦
Agere Systems Inc.
D. Ï Load
12-2271F
Figure 6. Driver Output Current vs. Voltage
Characteristics
7
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