ORT8850H AGERE [Agere Systems], ORT8850H Datasheet - Page 59

• Manufacturer Part Number: ORT8850H
• Description: Field-Programmable System Chip (FPSC) Eight-Channel x 850 Mbits/s Backplane Transceiver
• Manufacturer: AGERE [Agere Systems]

Data Sheet
August 2001
Agere Systems Inc.
Embedded Core LVDS I/O
Table 22. Driver dc Data*
* V
† External reference, REF10 = 1.0 V ± 3%, REF14 = 1.4 V ± 3%.
Table 23. Driver ac Data*
* V
Table 24. Driver Power Consumption*
* V
Output Voltage High, V
Output Voltage Low, V
Output Differential Voltage
Output Offset Voltage
Output Impedance, Differential
R
Change in Differential Voltage Between
Change in Output Offset Voltage
Output Current
Output Current
Power-off Output Leakage
V
V
Differential Skew
Channel-to-channel Skew
Propagation Delay Time
Driver dc Power
Driver ac Power
|t
|t
|tpDIFFm – tpDIFFn|,
DD
OD
OD
DD
DD
O
PHLA
PHLB
Complementary States
Between Complementary States
Mismatch Between A and B
33 = 3.1 V—3.5 V, V
33 = 3.1 V—3.5 V, V
33 = 3.1 V—3.5 V, V
Fall Time, 80% to 20%
Rise Time, 20% to 80%
– t
– t
Parameter
Parameter
PLHB
PLHA
Parameter
| or
|
DD
DD
DD
15 = 1.4 V—1.6 V, –40 °C, and slow-fast process.
15 = 1.4 V—1.6 V, –40 °C, and slow-fast process.
15 = 1.4 V—1.6 V, –40 °C, and slow-fast process.
OA
OA
or V
or V
OB
OB
Symbol
Symbol
t
t
SKEW1
SKEW2
PD
PD
t
t
PLH
PHL
t
t
F
R
dc
ac
Any differential pair on package at 50%
|Ixa|, |Ixb|
Symbol
I
Any two signals on package at 0 V
SA,
V
V
V
V
I
R
SAB
V
V
C
OH
OD
OS
R
OL
C
C
o
OD
OS
Eight-Channel x 850 Mbits/s Backplane Transceiver
I
PAD
SB
O
PAD
PAD
C
point of the transition
= 3.0 pF, C
= 3.0 pF, C
PAD
= 3.0 pF, C
Test Conditions
Z
Z
Z
L
L
L
V
Drivers shorted together
= 100
= 100
= 100
Driver shorted to GND
PAD
differential
V
V
= 3.0 pF, C
R
R
R
R
R
R
Test Conditions
Z
Z
CM
CM
Test Conditions
LOAD
LOAD
LOAD
L
L
LOAD
LOAD
LOAD
, V
= 100
= 100
= 1.0 V and 1.4 V
= 1.0 V and 1.4 V
PADN
V
PADN
= 100
= 100
= 100
= 100
= 100
= 100
PAD
PAD
DD
± 1%
± 1%
± 1%
= 0 V
= 0 V—2.5 V
= 3.0 pF
= 3.0 pF
PADN
= 3.0 pF
± 1%
± 1%
= 3.0 pF
± 1%
± 1%
± 1%
± 1%
± 1%
± 1%
0.925
1.125*
0.25
0.54
0.55
Min
Min
100
100
80
—
—
—
—
—
—
—
—
—
ORCA ORT8850 FPSC
†
0.77
0.76
Typ
Min
Typ
100
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1.475
1.275
Max
1.10
1.09
Max
26.0
210
210
0.45
50
—
64
Max
120
10
25
25
24
12
10
—
†
†
†
Unit
MHz
Unit
mW
ps
ps
ps
ps
ns
ns
Unit
W/
mV
mV
mA
mA
mA
%
V
V
V
V
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