XRT7302IQ80 View Datasheet(PDF) - Exar Corporation
Part Name
Description
MFG CO.
'XRT7302IQ80' PDF : 77 Pages View PDF
XRT7302 2 CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT
REV. 1.1.0
ELECTRICAL CHARACTERISTICS
ABSOLUTE MAXIMUM RATINGS
Storage Temperature
Operating Temperature
Supply Voltage Range
- 650C to + 1500C
- 400C to + 850C
-0.5V to +6.0V
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ELECTRICAL CHARACTERISTICS (TA = 250C, VDD = 5V + 5%, UNLESS OTHERWISE SPECIFIED)
SYMBOL
PARAMETER
MIN. TYP. MAX. UNITS
DC Electrical Characteristics
VDDD
VDDA
ICC
DC Supply Voltage (Digital)
DC Supply Voltage (Analog)
Supply Current (Measured while Transmitting and Receiving all "1s"
DS3 Mode
STS-1 Mode
4.75
5
5.25
V
4.75
5
5.25
V
335 400 mA
360 440 mA
VIL Input Low Voltage
VIH Input High Voltage
VOL Output Low Voltage, IOUT = -4.0mA
VOH Output High Voltage, IOUT = 4.0mA
IL
Input Leakage Current*
0.8
V
2.0
VDD
V
0
0.4
V
2.8
VDD
V
±10 µA
NOTE: * Not applicable to pins with pull-down resistors.
ELECTRICAL CHARACTERISTICS (CONTINUED) (TA = 250C, VDD = 5V + 5%, UNLESS OTHERWISE SPECIFIED)
AC ELECTRICAL CHARACTERISTICS (SEE FIGURE 1)
TERMINAL SIDE TIMING PARAMETERS (SEE FIGURES 2 AND 3)
SYMBOL
PARAMETER
TxClk1, TxClk2 Clock Duty Cycle (DS3/STS-1)
TxClk1, TxClk2 Clock Duty Cycle (E3)
TxClk1, TxClk2 Frequency (SONET STS-1)
MIN.
30
30
TYP.
50
50
51.84
MAX.
70
70
UNITS
%
%
MHz
TxClk1, TxClk2 Frequency (DS3)
44.736
MHz
TxClk1, TxClk2 Frequency (E3)
34.368
MHz
tRTX
tFTX
tTSU
tTHO
tLCVO
TxClk1, TxClk2 Clock Rise Time (10% to 90%)
TxClk1, TxClk2 Clock Fall Time (90% to 10%)
TPData/TNData to TxClk1, 2 Falling Set up time
TPData/TNData to TxClk1, 2 Falling Hold time
RxClk1, 2 to rising edge of LCV1, 2 output delay
4.0
ns
4.0
ns
3.0
ns
3.0
ns
2.5
ns
18
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