2006 Teridian Semiconductor Corporation Rev. 2" />
參數(shù)資料
型號: 78P2351R-IM/F
廠商: Maxim Integrated Products
文件頁數(shù): 14/31頁
文件大?。?/td> 0K
描述: IC LIU NRZ-CMI CONV 155M 56-QFN
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 260
類型: 線路接口裝置(LIU)
驅(qū)動器/接收器數(shù): 1/1
規(guī)程: E4,OC-3,STM1-E
電源電壓: 3.15 V ~ 3.45 V
安裝類型: 表面貼裝
封裝/外殼: 56-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 56-QFN-EP(7x7)
包裝: 管件
78P2351R
Serial 155M
NRZ to CMI Converter
Page: 21 of 31
2006 Teridian Semiconductor Corporation
Rev. 2.1
ELECTRICAL SPECIFICATIONS (continued)
TRANSMITTER SPECIFICATIONS FOR CMI INTERFACE
Bit Rate: 155.52Mbits/s
± 20ppm
Code: Coded Mark Inversion (CMI)
Relevant Specification: ITU-T G.703, Telcordia GR-253, ANSI T1.102
With the coaxial output port driving a 75
load, the output pulses conform to the templates in Figures 8 and 9.
These specifications are tested during production test. Consult application note for reference schematic, layout
guidelines, and recommended transformers.
PARAMETER
CONDITION
MIN
NOM
MAX
UNIT
Peak-to-peak Output Voltage
(Fuse-trimmed to nominal target at
final test)
Template, steady state
0.9
1.04
1.1
V
Rise/ Fall Time
10-90%
2
ns
Negative Transitions
-0.1
0.1
Positive Transitions at Interval
Boundaries
-0.5
0.5
Transition Timing Tolerance
Positive Transitions at mid-
interval
-0.35
0.35
ns
The following specifications are not tested during production test. They are included for information only.
Note that the return loss depends on the board layout and the particular transformer used.
PARAMETER
CONDITION
MIN
NOM
MAX
UNIT
Output Impedance
Driver is open drain
1
8
M
pF
Return Loss
7MHz to 240MHz
15
dB
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