xrt91l31 Exar Corporation, xrt91l31 Datasheet - Page 39

• Manufacturer Part Number: xrt91l31
• Description: Sts-12/stm-4 Or Sts-3/stm-1 Sonet/sdh Transceiver
• Manufacturer: Exar Corporation

REV. 1.0.0
LVPECL AND LVTTL LOGIC SIGNAL DC ELECTRICAL CHARACTERISTICS
N
Test Conditions: VDD = 3.3V + 5% unless otherwise specified
V
OTE
S
V
V
V
OCOMM
YMBOL
ICOMM
V
V
V
ODIFF
V
V
V
V
IDIFF
V
I
I
OH
OH
IH
OL
OL
IL
: All input control pins are LVCMOS and LVTTL compatible. All output control pins are LVCMOS compatible and
IH
IH
IL
IL
LVTTL compliant to
LVCMOS
LVCMOS
LVCMOS
LVCMOS
LVCMOS
LVCMOS
LVPECL
LVPECL
LVPECL
LVPECL
LVPECL
LVPECL
LVPECL
LVPECL
LVTTL/
LVTTL/
LVTTL/
LVTTL/
LVTTL/
LVTTL/
T
YPE
Output High Voltage
Output Low Voltage
Output Common Mode Voltage
Peak-to-peak Output Differen-
tial Voltage (see
Input High Voltage
Input Low Voltage
Peak-to-peak Input PECL Dif-
ferential Voltage (see
Figure 28
Input PECL Common Mode
Voltage
Output High Voltage
Output Low Voltage
Input High Voltage
Input Low Voltage
Input High Current
Input Low Current
±1 mA
P
maximum current drive.
ARAMETER
)
T
ABLE
Figure 28
24: E
STS-12/STM-4 OR STS-3/STM-1 SONET/SDH TRANSCEIVER
LECTRICAL
)
VDD
1.5 - V
39
LVPECL
-500
600
400
M
0.7
1.1
0.9
2.4
2.0
C
0
0
0
IN
IDIFF
HARACTERISTICS
/2
-
T
50
YP
VDD
VDD
VDD
VDD
VDD
1.0 -V
VDD
VDD
LVPECL
LVPECL
LVPECL
LVPECL
LVPECL
1300
1600
M
1.72
500
0.9
1.3
0.3
0.4
0.8
AX
IDIFF
3.3
3.3
/2
-
-
-
-
-
U
mV
mV
NITS
V
V
V
V
V
V
V
V
V
V
A
A
V
XRT91L31
down and 100
-0.5V<V
2.0V<V
line-to-line ter-
mination. (see
100
Single-Ended
Single-Ended
I
IN
line termina-
Figure 17
OH
I
C
187
Figure 3
OL
=2.4V typical
tion. (see
ONDITIONS
= -1.0mA
= 1.0mA
For
For
IN
line-to-
IN
<3.3V
pull
<0.8V
)
)