tmxf28155 ETC-unknow, tmxf28155 Datasheet - Page 36

• Manufacturer Part Number: tmxf28155
• Description: Tmxf28155 Super Mapper 155/51 Mbits/s Sonet/sdh X28/x21 Ds1/e1
• Manufacturer: ETC-unknow

155/51 Mbits/s SONET/SDH x28/x21 DS1/E1
4 Electrical Characteristics
4.5 LVDS Interface Characteristics
3.3 V ± 5% V
Table 23. LVDS Interface Characteristics
.
* Buffer will not produce output transition when input is open-circuited.
36
Input Voltage Range, V
Input Differential Threshold
Input Differential Hysteresis
Receiver Differential Input
Output Voltage:
Output Differential Voltage
Output Offset Voltage
Output Impedance, Single Ended
R
Change in Differential Voltage
Change in Output Offset Voltage
Output Current
Output Current
Impedance
Between Complementary
States
Between Complementary
States
O
Low (V
High (V
Mismatch Between A and B
OA
OA
Parameter
DD
or V
or V
, 0—125 C, slow—fast process.
OB
OB
)
)
IA
or V
IB
Symbol
I
| V
V
SA
V
|V
V
I
V
V
R
HYST
R
V
SAB
(continued)
IDTH
V
R
OH
OD
OS
, I
OL
IN
O
OD
OS
I
O
SB
|
|
Output Buffer Parameters
Input Buffer Parameters
|V
|V
GPD
With built-in termination,
Drivers shorted together
GPD
V
V
Driver shorted to V
R
R
R
R
R
R
(+V
CM
CM
| < 925 mV, dc—1 MHz
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
Test Conditions
| < 925 mV, 311 MHz
center-tapped
= 1.0 V and 1.4 V
= 1.0 V and 1.4 V
IDTH
= 100
= 100
= 100
= 100
= 100
= 100
) – (–V
IDTH
±1%
±1%
±1%
±1%
±1%
±1%
SS
)
0.925
1.125
–100
0.25
Min
0.0
80
40
—
—
—
—
—
—
—
Typ
100
1.2
50
—
—
—
—
—
—
—
—
—
—
—
Agere Systems Inc.
1.475
1.275
Max
0.40
100
120
2.4
—*
60
10
25
25
24
12
—
May 2001
Unit
mV
mV
mV
mV
mA
mA
%
V
V
V
V
V