REV. 1.2.1 TWENTY-ONE CHANNEL E1 LINE INTERFACE UNIT C1 D2 E2 G2 H2 K2 L2 N2 P2 T2 U2 U19 T19 P19 N19 L19 K19 H19 G19 E19 D19 RRing" />
參數(shù)資料
型號(hào): XRT59L921IB
廠商: Exar Corporation
文件頁(yè)數(shù): 30/32頁(yè)
文件大?。?/td> 0K
描述: IC LIU E1 21CH 316STBGA
標(biāo)準(zhǔn)包裝: 60
類型: 線路接口裝置(LIU)
驅(qū)動(dòng)器/接收器數(shù): 21/21
規(guī)程: E1
電源電壓: 3.13 V ~ 3.46 V
安裝類型: 表面貼裝
封裝/外殼: 316-LBGA
供應(yīng)商設(shè)備封裝: 316-STBGA(21x21)
包裝: 托盤(pán)
XRT59L921
5
REV. 1.2.1
TWENTY-ONE CHANNEL E1 LINE INTERFACE UNIT
C1
D2
E2
G2
H2
K2
L2
N2
P2
T2
U2
U19
T19
P19
N19
L19
K19
H19
G19
E19
D19
RRing_0
RRing_1
RRing_2
RRing_3
RRing_4
RRing_5
RRing_6
RRing_7
RRing_8
RRing_9
RRing_10
RRing_11
RRing_12
RRing_13
RRing_14
RRing_15
RRing_16
RRing_17
RRing_18
RRing_19
RRing_20
I
Receiver Negative Bipolar Input – Channel_n:
The Receive Section of Channel_n uses this input pin, along with RTIP_n to receive
the bipolar line signal from the Remote E1 Terminal.
V11
TxON
I
Transmit ON/OFF Input:
Upon power up, all of the transmitters are powered off. If the TxON pin is pulled
"High" all 21 transmitters are powered on. Individual Channels can be powered
down by connecting TxClk_n "Low" and with TPOS_n/TNEG_n data applied to that
Channel_n.
NOTE: Internally pulled "Low" with a 50k
resistor.
PIN DESCRIPTIONS
PIN#
SYMBOL
TYPE
DESCRIPTION
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