參數(shù)資料
型號: ORT4622
英文描述: Field-Programmable System Chip (FPSC) Four-Channel x 622 Mbits/s Backplane Transceiver
中文描述: 現(xiàn)場可編程系統(tǒng)芯片(促進文化基金)四通道x 622 Mbits /秒背板收發(fā)器
文件頁數(shù): 43/90頁
文件大?。?/td> 1915K
代理商: ORT4622
Lucent Technologies Inc.
Lucent Technologies Inc.
43
Preliminary Data Sheet
March 2000
ORCA ORT4622 FPSC
Four-Channel x 622 Mbits/s Backplane Transceiver
LVDS I/O
Table 21. LVDS Driver dc Data*
* External reference, REF10 = 1.0 V ± 3%, REF14 = 1.4 V ± 3%
Table 22. LVDS Driver ac Data
Parameter
Symbol
V
OH
V
OL
V
OD
Test Conditions
R
LOAD
= 100
± 1%
R
LOAD
= 100
± 1%
R
LOAD
= 100
± 1%
Min
0.925*
0.25
Typ
Max
1.475*
0.45*
Unit
V
V
V
Driver Output Voltage High, V
OA
or V
OB
Driver Output Voltage Low, V
OA
or V
OB
Driver Output Differential Voltage
V
OD
= (V
OA
– V
OB
)
(with External
Reference Resistor)
Driver Output Offset Voltage
V
OS
= (V
OA
+ V
OB
)/2
Output Impedance, Single Ended
R
O
Mismatch Between A and B
Change in |V
OD
| Between 0 and 1
Change in |V
OS
| Between 0 and 1
Output Current
V
OS
R
LOAD
= 100
± 1%
1.125*
1.275*
V
R
o
V
CM
= 1.0 V and 1.4 V
V
CM
= 1.0 V and 1.4 V
R
LOAD
= 100
± 1%
R
LOAD
= 100
± 1%
Driver shorted to
ground
Drivers shorted
together
V
DD
= 0 V
V
PAD
, V
PADN
= 0 V—3 V
40
50
60
10
25
25
24
%
mV
mV
mA
delta R
O
I
SA,
I
SB
Output Current
I
SAB
12
mA
Power-off Output Leakage
|xa|, |xb|
30
μA
Parameter
Symbol
T
FALL
Test Conditions
Z
LOAD
= 100
± 1%
C
PAD
= 3 pF, C
PAD
= 3 pF
Z
LOAD
= 100
± 1%
C
PAD
= 3 pF, C
PAD
= 3 pF
Any differential pair on package at 50% point
of the transition
Min
100
Max
200
Unit
ps
V
OD
Fall Time, 80% to 20%
V
OD
Rise Time, 20% to 80%
T
RISE
100
200
ps
Differential Skew
|tpHLA – tpLHB| or
|tpHLB – tpLHA|
Channel-to-channel Skew
|tpDIFFm – tpDIFFn|,
Propagation Delay Time
T
SKEW1
50
ps
T
SKEW2
Any two signals on package at 0 V differential
ps
T
PLH
T
PHL
Z
LOAD
= 100 W ± 1%
C
PAD
= 3 pF, C
PADN
= 3 pF
0.50
0.55
0.90
1.03
ps
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