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): 6/31頁
文件大小: 0K
描述: IC LIU NRZ-CMI CONV 155M 56-QFN
產(chǎn)品培訓模塊: 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
供應商設備封裝: 56-QFN-EP(7x7)
包裝: 管件
78P2351R
Serial 155M
NRZ to CMI Converter
Page: 14 of 31
2006 Teridian Semiconductor Corporation
Rev. 2.1
PIN DESCRIPTION
LEGEND
TYPE
DESCRIPTION
TYPE
DESCRIPTION
A
Analog Pin
PO
LVPECL-Compatible Differential Output
CIT
3-State CMOS Digital Input
OD
Open-drain Output
CI
CMOS Digital Input
PI
LVPECL-Compatible Differential Input
CID
CMOS Digital Input w/ Pull-down
S
Supply
CIS
CMOS Schmitt Trigger Input
G
Ground
COZ
CMOS Tristate Digital Output
TRANSMITTER PINS
NAME
PIN
TYPE
DESCRIPTION
SIDP
SIDN
4
5
PI
Transmit Serial Data Input:
Differential NRZ data input. See Transmitter Operation section for more info
on different timing modes.
CMIP
CMIN
53
54
A
Transmit Serial CMI Data Output:
A CMI encoded data signal conforming to the relevant ITU-T G.703 pulse
templates when properly terminated and transformer coupled to 75ohm
cable.
Notes: 1) Pins are tri-stated during transmit power-down. 2) Pins are
active, but undefined during reset.
RECEIVER PINS
NAME
PIN
TYPE
DESCRIPTION
SODP
SODN
13
14
PO
Receive Serial NRZ Data Output:
Recovered serial data decoded into NRZ format and output at LVPECL levels.
Notes: 1) Outputs are squelched during LOS and held low. 2) Pins are active,
but undefined during reset.
RXP
RXN
50
51
A
Receive Serial CMI Input:
Receive inputs that should be differentially terminated and transformer
coupled to the coaxial cable.
REFERENCE AND STATUS PINS
NAME
PIN
TYPE
DESCRIPTION
CKREFP
CKREFN
45
44
PI/
CI
Reference Clock Input: (Required)
A reference clock input used for clock/data recovery and generation. Can be
a differential 155.52MHz differential LVPECL Input (Type PI) at CKREFP/N
or a single-ended 19.44MHz or 77.78MHz CMOS Input (Type CI) at
CKREFP (tie CKREFN to ground when unused).
LOS
33
OD
Loss of Signal (active-high):
Standards compatible loss of signal indicator.
PORB
36
A
Power-On Reset (active low):
See Power-On Reset description on use of this pin. Do not pull-up to Vcc.
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