REV. 1.0.1 A19 H23 AB12 STS1RXD_ALARM_0 TXDS3NEG_0 STS1RXD_ALARM_1 TXDS3NEG_1/ STS1" />
參數(shù)資料
型號： XRT94L31IB-L
廠商： Exar Corporation
文件頁數(shù)： 106/133頁
文件大?。?/td> 0K
描述： IC MAPPER DS3/E3/STS-1 504TBGA
標準包裝： 24
應用： 網(wǎng)絡(luò)切換
接口： 總線
電源電壓： 3.14 V ~ 3.47 V
封裝/外殼： 504-LBGA
供應商設(shè)備封裝： 504-TBGA（35x35）
包裝： 托盤
安裝類型： 表面貼裝
XRT94L31
74
3-CHANNEL DS3/E3/STS-1 TO STS-3/STM-1 MAPPER IC
REV. 1.0.1
A19
H23
AB12
STS1RXD_ALARM_0
TXDS3NEG_0
STS1RXD_ALARM_1
TXDS3NEG_1/
STS1RXD_ALARM_2
TXDS3NEG_2
O
CMOS
STS-1 Receive (Drop) Telecom Bus - Alarm Indicator Output signal -
Channel n:
The function of this output pin depends upon whether or not the STS-1
Telecom Bus Interface for Channel n has been enabled.
If STS-1 Telecom Bus (Channel n) has been enabled
- STS-1 Receive Telecom Bus - Alarm Indicator Output signal:
This output pin pulses "High", coincident with any STS-1 signal (that is
being output via the STS1RXD_D_n[7:0] output pins) that is carrying an
AIS-P indicator.
This output pin is "Low" for all other conditions.
TXDS3NEG_n (Transmit DS3/E3 line data negative to LIU - Channel
n)
F16
STS1RXD_D0_0
RXHDLCDAT_0_0
RXGFCMSB_0
O
CMOS
Receive STS-1 Telecom Bus - Channel 0 - Output Data Bus pin num-
ber 0:
The function of this output pin depends upon whether or not the STS-1
Telecom Bus Interface, associated with Channel 0 is enabled.
If STS-1 Telecom Bus (Channel 0) has been enabled - STS-1
Receive Telecom Bus
- Output Data bus pin number 0: STS1RXD_D0_0
This output pin along with STS1RXD_D_0[7:1] function as the STS-1
Receive (Drop) Telecom Bus - Output Data Bus for Channel 0. The
STS-1 Telecom Bus Interface will update the data via this output upon
the rising edge of STS1RXD_CK_0:.
NOTE: This input pin functions as the LSB (Least Significant Bit) of the
Receive (Drop) Telecom Bus for Channel 0.
RXHDLCDAT_0_0 (Receive HDLC block data output - Channel 0 -
Output Data Bus pin 0)
RXGFCMSB_0 (Receive GFC MSB Indicator - Channel 0)
E16
STS1RXD_D1_0
RXHDLCDAT_1_0
RXGFC_0
O
CMOS
Receive STS-1 Telecom Bus - Channel 0 - Output Data Bus pin num-
ber 1:
The function of this output pin depends upon whether or not the STS-1
Telecom Bus Interface, associated with Channel 0 is enabled.
If STS-1 Telecom Bus (Channel 0) has been enabled - STS-1
Receive Telecom Bus
- Output Data bus pin number 1: STS1RXD_D1_0
This output pin along with STS1RXD_D_0[7:2] and STS1RXD_D0_0
function as the STS-1 Receive (Drop) Telecom Bus - Output Data Bus
for Channel 0. The STS-1 Telecom Bus Interface will update the data via
this output upon the rising edge of STS1RXD_CK_0.
RXHDLCDAT_1_0 (Receive HDLC block data output - Channel 0 -
Output Data Bus pin 1):
RXGFC_0 (Receive GFC output data - Channel 0)
PIN DESCRIPTION OF THE XRT94L31 (REV. B)
PIN #
SIGNAL NAME
I/O
TYPE
DESCRIPTION
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