參數(shù)資料
型號(hào): XRT94L31_07
廠商: Exar Corporation
英文描述: 3-CHANNEL DS3/E3/STS-1 TO STS-3/STM-1 MAPPER IC
中文描述: 3通道DS3/E3/STS-1給STS-3/STM-1映射器集成電路
文件頁數(shù): 117/133頁
文件大小: 1014K
代理商: XRT94L31_07
XRT94L31
117
REV. 1.0.1
3-CHANNEL DS3/E3/STS-1 TO STS-3/STM-1 MAPPER IC
N
OTE
:
The value for t13 and t14 can be found in
Table 21
.
1.4.5
The Transmit STS-1/STM-0 Telecom Bus Interface Timing (for Channel 0 when configured to
operate in the STS-3/STM-1 Mode)
In the Transmit STS-1/STM-0 Telecom Bus Interface (associated with Channel 0) all of the signals (which are
input via this Bus Interface) are sampled upon the rising edge of TxA_CLK (19.44MHz clock signal).
Figure 21
presents an illustration of the waveforms and the timing parameters (t13 and t14) of the signals that
will be received by the Transmit STS-1/STM-0 Telecom Bus Interface.
F
IGURE
20. A
N
I
LLUSTRATION
OF
THE
W
AVEFORMS
OF
THE
S
IGNALS
THAT
ARE
I
NPUT
VIA
THE
T
RANSMIT
STS-1/
STM-0 T
ELECOM
B
US
I
NTERFACE
T
ABLE
21: T
IMING
I
NFORMATION
FOR
THE
T
RANSMIT
STS-1/STM-0 T
ELECOM
B
US
I
NTERFACE
S
YMBOL
D
ESCRIPTION
M
IN
.
T
YP
.
M
AX
.
t13
TxA_D[7:0], TxA_PL, TxA_C1J1, TxA_ALARM and TxA_DP to rising edge
of TxA_CLK set-up time requirements
4ns
t14
Rising edge of TxA_CLK to TxA_D[7:0], TxA_PL, TxA_C1J1, TxA_ALARM
and TxA_DP hold time requirements
0 ns
TxA_CLK
TxA_D[7:0]
TxA_PL
TxA_C1J1
A2 C1 C1
J1 Data Data
t13
t14
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