参数资料
型号: XRT94L31IB
厂商: Exar Corporation
文件页数: 76/133页
文件大小: 0K
描述: IC MAPPER DS3/E3/STS-1 504TBGA
标准包装: 24
应用: 网络切换
接口: 总线
电源电压: 3.14 V ~ 3.47 V
封装/外壳: 504-LBGA
供应商设备封装: 504-TBGA(35x35)
包装: 托盘
安装类型: 表面贴装
XRT94L31
47
REV. 1.0.1
3-CHANNEL DS3/E3/STS-1 TO STS-3/STM-1 MAPPER IC
A12
STS1TXA_0_D4
TXHDLCDAT_0_4
TXDS3OHIND_0(Con
tinued)
I/O
TTL/
CMOS
Transmit STS-1 Telecom Bus - Channel 0 - Input Data Bus pin num-
ber 4/Transmit High-Speed HDLC Controller Input Interface block -
Input Data Bus - Pin 4/Transmit DS3/E3 Overhead Indicator Output -
Channel 0 - Continued:
If the STS-1 Telecom Bus Interface (associated with Channel 0) has
been disabled - Continued:If the XRT94L31 is configured to operate
in the Clear-Channel DS3/E3 Framer over STS-3/STM-1 Mapper
Mode - Transmit DS3 Overhead Indicator - Channel 0 -
TxDS3OHInd_0 - Continued:
Therefore, whenever the System-Side terminal equipment samples the
TxDS3OHInd_0 output pin "High", then it must not apply the next pay-
load bit to TxDS3DATA_0 input pin.This output pin serves as a warning
that this particular payload bit is going to be ignored by the Transmit Sec-
tion of the Framer, and will not be inserted into payload bits, within the
outbound DS3 or E3 data stream.
PIN DESCRIPTION OF THE XRT94L31 (REV. B)
PIN #
SIGNAL NAME
I/O
TYPE
DESCRIPTION
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