参数资料
型号: XRT83L34IVTR
厂商: Exar Corporation
文件页数: 5/99页
文件大小: 0K
描述: IC LIU T1/E1/J1 QUAD 128TQFP
标准包装: 750
类型: 线路接口装置(LIU)
驱动器/接收器数: 4/4
规程: T1,E1,J1
电源电压: 3.135 V ~ 3.465 V
安装类型: 表面贴装
封装/外壳: 128-LQFP
供应商设备封装: 128-TQFP(14x20)
包装: 带卷 (TR)
xr
XRT83L34
QUAD T1/E1/J1 LH/SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR REV. 1.0.1
10
TPOS_0/
TDATA_0
TPOS_1/
TDATA_1
TPOS_2/
TDATA_2
TPOS_3/
TDATA_3
2
127
104
101
I
Transmit Positive-Polarity Data Input pin/Transmit Data Input pin:
The exact function of this input pin depends upon whether the XRT83L34
device has been configured to operate in the Single-Rail or Dual-Mode, as
described below.
Dual-Rail Mode Operation - Transmit Positive-Polarity Data Output -
TPOS_n:
For Dual-Rail Applications, the System-Side Terminal Equipment should apply
the "positive-polarity" portion of the outbound DS1/E1 data-stream to this input
pin. Likewise, the System-Side Terminal Equipment should also apply the
"negative-polarity" portion of the outbound DS1/E1 data-stream to the
TNEG_n input pin.
The Transmit Section of Channel n will sample this input pin (along with
TNEG_n) upon the "user-selected" edge of TCLK_n. The Transmit Section of
Channel n will generate a "positive-polarity" pulse (via the outbound DS1/E1
line signal) anytime it samples this input pin at a logic "HIGH" level. The
Transmit Section of Channel n will NOT generate a "positive-polarity" pulse
(via the outbound DS1/E1 line signal) anytime it samples this input pin at a
logic "LOW" level.
Single-Rail Mode Operation - Transmit Data Output - TDATA_n:
For Single-Rail Applications, the System-Side Terminal Equipment should
apply the entire "outbound" DS1/E1 data-stream to this input pin. The Trans-
mit Section of Channel n will sample this input pin upon the "user-selected"
edge of TCLK_n. In the Single-Rail Mode, the internal B8ZS/HDB3 Encoder
will be enabled, and the Transmit Section of the Channel will generate and
transmit "positive" and "negative-polarity" pulses within the outbound DS1/E1
line signal, based upon this "B8ZS/HDB3 Encoder.
NOTE:
This pin is internally pulled “Low” with a 50k
resistor for each
channels.
SIGNAL NAME
PIN #TYPE
DESCRIPTION
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