參數(shù)資料
型號(hào)： XRT91L80
廠商： Exar Corporation
英文描述： 2.488/2.666 GBPS STS-48/STM-16 SONET/SDH TRANSCEIVER
中文描述： 2.488/2.666 Gbps的STS-48/STM-16的SONET / SDH收發(fā)器
文件頁數(shù)： 8/45頁
文件大?。?/td> 359K
代理商： XRT91L80
XRT91L80
2.488/2.666 GBPS STS-48/STM-16 SONET/SDH TRANSCEIVER
PRELIMINARY
xr
REV. P1.1.0
6
LOOPTM_JA
LVTTL,
LVCMOS
I
C6
Loop Timing Mode With Jitter Attenuation
The LOOPTM_JA pin must be set "High" in order to select the
recovered receive clock as the reference source for the de-jitter
PLL.
"Low" = Disabled
"High" = Loop timing with de-jitter PLL Activated
This pin is provided with an internal pull-down.
LOOPTM_NOJA
LVTTL,
LVCMOS
I
P2
Loop Timing Mode With No Jitter Attenuation
When the loop timing mode is activated, the external local refer-
ence clock input to the CMU is replaced with the 1/16th or 1/
32nd of the high-speed recovered receive clock coming from
the CDR.
"Low" = Disabled
"High" = Loop timing Activated
This pin is provided with an internal pull-down.
TRANSMITTER SECTION
N
AME
L
EVEL
T
YPE
P
IN
D
ESCRIPTION
TXDI0P
TXDI0N
TXDI1P
TXDI1N
TXDI2P
TXDI2N
TXDI3P
TXDI3N
LVDS
I
H13
J13
K14
L14
K13
L13
M14
N14
Transmit Parallel Data Input
The 622.08 Mbps 4-bit parallel transmit data input should be
applied to the transmit parallel bus simultaneously to be sam-
pled at the rising edge of the TXPCLKIP/N input. The 4-bit par-
allel interface is multiplexed into the transmit serial output
interface MSB first (TXDI3P/N).
N
OTE
:
The XRT91L80 can accept 666.51 Mbps 4-bit parallel
transmit data input for Forward Error Correction (FEC)
Applications.
TXPCLKIP
TXPCLKIN
LVDS
I
H14
J14
Transmit Parallel Clock Input
622.08 MHz clock input used to sample the 4-bit parallel trans-
mit data input TXDI[3:0]P/N.
N
OTE
:
The XRT91L80 can accept a 666.51 MHz transmit clock
input for Forward Error Correction (FEC) Applications.
TXOP
TXON
CMLDIFF
O
K1
L1
Transmit Serial Data Output
The transmit serial data output stream is generated by multi-
plexing the 4-bit parallel transmit data input into a 2.488 Gbps
serial data output stream. In Forward Error Correction, the
transmit serial data output stream is 2.666 Gbps.
REFCLKP
REFCLKN
LVPECL
I
P6
N6
Reference Clock Input
This differential clock input reference is used for the transmit
clock multiplier unit (CMU) to provide the necessary high-speed
clock reference for this device. Pin ALTFREQSEL determines
the value used as the reference. See Pin ALTFREQSEL for
more details.
VCXO_INP
VCXO_INN
LVPECL
I
P4
N4
Voltage Controled Oscillator Input
This differential clock input is used for the transmit PLL jitter
attenuation. Pin ALTFREQSEL determines the value used as
the reference. See Pin ALTFREQSEL for more details.
HARDWARE COMMON CONTROL
N
AME
L
EVEL
T
YPE
P
IN
D
ESCRIPTION
相關(guān)PDF資料
PDF描述
XRT91L80_0507 2.488/2.666 GBPS STS-48/STM-16 SONET/SDH TRANSCEIVER
XRT91L80IB 2.488/2.666 GBPS STS-48/STM-16 SONET/SDH TRANSCEIVER
XRT91L81 2.488/2.666GBPS OC-48/STM-16 SONET/SDH TRANSCEIVER
XRT91L81IB 2.488/2.666GBPS OC-48/STM-16 SONET/SDH TRANSCEIVER
XRT91L82 2.488/2.666 GBPS STS-48/STM-16 SONET/SDH TRANSCEIVER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XRT91L80_0507 制造商:EXAR 制造商全稱:EXAR 功能描述:2.488/2.666 GBPS STS-48/STM-16 SONET/SDH TRANSCEIVER
XRT91L80ES 功能描述:總線收發(fā)器 Transceiver RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時(shí)間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel
XRT91L80IB 功能描述:總線收發(fā)器 Transceiver RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時(shí)間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel
XRT91L80IB-F 功能描述:總線收發(fā)器 Transceiver RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時(shí)間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel
XRT91L81 制造商:EXAR 制造商全稱:EXAR 功能描述:2.488/2.666GBPS OC-48/STM-16 SONET/SDH TRANSCEIVER
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