參數(shù)資料
型號： T8102A
英文描述： H.100/H.110 Interface and Time-Slot Interchangers
中文描述： H.100/H.110接口和時隙Interchangers
文件頁數(shù)： 46/112頁
文件大?。?/td> 1408K
代理商： T8102A
42
Lucent Technologies Inc.
Advance Data Sheet
November 1999
H.100/H.110 Interfaces and Time-Slot Interchangers
Ambassador T8100A, T8102, and T8105
2 Architecture and Functional Descrip-
tion
(continued)
2.4 Subrate Switching for the Ambassador
Family
(continued)
2.4.5 Limitations
While the structure described above is a relatively sim-
ple extension to the existing architecture, it also
imposes one limitation which must be overcome by
application. To prevent changes in the CAM size and
operation, the assumption is that the data is utilized
only once after the stream plus time slot has been rec-
ognized. (This prevents the multiple hit/multiple access
scenario, in which a byte which contains multiple sub-
rate pieces will not have to be accessed several times.)
To gain access to all subrate pieces present in one
incoming byte, that same byte must be broadcast on
multiple stream plus time slots. In this case, each sub-
rate piece can be switched to the appropriate output.
The ideal scenario is to make use of local switching
(either the local TSI or the local CAM) to provide a
loopback for broadcasting the byte in question. Specifi-
cally, the byte is switched to multiple time slots on a
local output. (The packed byte is coming either from a
local input or from the H.100 bus.) The local output is
physically tied to a free local input, and, in turn, the
multiple time slots are subrate switched to the appropri-
ate outputs (on the H.100 bus, for example). This intro-
duces an additional delay of one frame, but allows for
efficient utilization of the H.100 bus as a subrate
switching fabric (see Figure 14).
5-7148F
5-7149F
5-7149F
Figure 14. Unpacking Example Using Local
Loopback
(OR LOCAL-LOCAL
VIA LOCAL CAM)
LOCAL INPUT 1
4 TIME SLOTS
LOCAL OUT 1
4 TIME SLOTS
LOOPBACK WIRE
OUTPUT
CONNECTIONS
H.100 BUS
LOCAL TSI
H-BUS TSI
(INCLUDING SUBRATE)
LOCAL INPUT 0
1 TIME SLOT
(OR LOCAL-LOCAL
VIA LOCAL CAM)
LOCAL INPUT 1
4 TIME SLOTS
LOCAL OUT 1
4 TIME SLOTS
LOOPBACK WIRE
OUTPUT
CONNECTIONS
H.100 BUS
LOCAL TSI
H-BUS TSI
(INCLUDING SUBRATE)
INPUT
1 TIME SLOT
A1 A2 A3 A4 A1 A2 A3 A4 A1 A2 A3 A4 A1 A2 A3 A4
A1 A2 A3 A4
A1
A2
A3
A4
(LOCAL BROADCAST)
INPUT
LOCAL OUTPUT
LOOPBACK INPUT
H-BUS OUTPUTS (EXAMPLE SHOWS SEPARATE STREAMS)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
T810-400B 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:HIGH PERFORMANCE TRIACS
T8105A 制造商:AGERE 制造商全稱:AGERE 功能描述:H.100/H.110 Interface and Time-Slot Interchangers
T810-600B 功能描述:雙向可控硅 8A TRIACS RoHS:否 制造商:STMicroelectronics 開啟狀態(tài) RMS 電流 (It RMS):16 A 不重復通態(tài)電流:120 A 額定重復關(guān)閉狀態(tài)電壓 VDRM:600 V 關(guān)閉狀態(tài)漏泄電流（在 VDRM IDRM 下）:5 uA 開啟狀態(tài)電壓: 保持電流（Ih 最大值）:45 mA 柵觸發(fā)電壓 (Vgt):1.3 V 柵觸發(fā)電流 (Igt):1.75 mA 最大工作溫度: 安裝風格:Through Hole 封裝 / 箱體:TO-220AB
T810-600B 制造商:STMicroelectronics 功能描述:TRIAC 8A 600V D-PAK
T810-600B-TR 功能描述:雙向可控硅 8A TRIACS RoHS:否 制造商:STMicroelectronics 開啟狀態(tài) RMS 電流 (It RMS):16 A 不重復通態(tài)電流:120 A 額定重復關(guān)閉狀態(tài)電壓 VDRM:600 V 關(guān)閉狀態(tài)漏泄電流（在 VDRM IDRM 下）:5 uA 開啟狀態(tài)電壓: 保持電流（Ih 最大值）:45 mA 柵觸發(fā)電壓 (Vgt):1.3 V 柵觸發(fā)電流 (Igt):1.75 mA 最大工作溫度: 安裝風格:Through Hole 封裝 / 箱體:TO-220AB
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