參數(shù)資料
型號: XRT83SL216IB
廠商: EXAR CORP
元件分類: 數(shù)字傳輸電路
英文描述: 16-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT
中文描述: DATACOM, PCM TRANSCEIVER, PBGA289
封裝: 15 X 15 MM, STBGA-289
文件頁數(shù): 18/42頁
文件大?。?/td> 317K
代理商: XRT83SL216IB
XRT83SL216
16
16-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT
REV. 1.0.0
N
OTE
:
VDD=3.3V ±5%, T
A
=25°C, Unless Otherwise Specified
1.3
Receive Sensitivity
To meet short haul requirements, the XRT83SL216 can accept E1 signals that have been attenuated by 11dB
of flat loss in E1 mode. The test configuration for measuring the receive sensitivity is shown in
Figure 6
.
F
IGURE
6. T
EST
C
ONFIGURATION
FOR
M
EASURING
R
ECEIVE
S
ENSITIVITY
1.4
General Alarm Detection and Interrupt Generation
The receive path detects RLOS and AIS. These alarms can be individually masked to prevent the alarm from
triggering an interrupt. To enable interrupt generation, the Global Interrupt Enable (GIE) bit must be set "High"
in the appropriate global register. Any time a change in status occurs (if the alarms are enabled), the interrupt
pin will pull "Low" to indicate an alarm has occurred. Once the status registers have been read, the INT pin will
return "High". The status registers are Reset Upon Read (RUR).
N
OTE
:
The interrupt pin is an Open-Drain output that requires a 10k
pull-up resistor.
T
ABLE
1: T
IMING
S
PECIFICATIONS
FOR
RCLK/RPOS/RNEG
P
ARAMETER
S
YMBOL
M
IN
T
YP
M
AX
U
NITS
RCLK Duty Cycle
R
CDU
45
50
55
%
Receive Data Setup Time
R
SU
150
-
-
ns
Receive Data Hold Time
R
HO
150
-
-
ns
RCLK to Data Delay
R
DY
-
-
40
ns
RCLK Rise Time (10% to 90%)
with 25pF Loading
RCLK
R
-
-
40
ns
RCLK Fall Time (90% to 10%)
with 25pF Loading
RCLK
F
-
-
40
ns
Network
Analyzer
E1 = PRBS 2
15
- 1
External Loopback
XRT83SL216
16-Channel
Short Haul LIU
Flat Loss
Tx
Tx
Rx
Rx
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