參數(shù)資料
型號(hào)： ZL50030GAC
廠商： ZARLINK SEMICONDUCTOR INC
元件分類： 路由/交換
英文描述： Flexible 4 K x 2 K Channel Digital Switch with H.110 Interface and 1 K x 1 K Local Switch
中文描述： TELECOM, DIGITAL TIME SWITCH, PBGA220
封裝： 17 X 17 MM, 1.61 MM HEIGHT, PLASTIC, MS-034, BGA-220
文件頁(yè)數(shù)： 13/73頁(yè)
文件大?。?/td> 681K
代理商： ZL50030GAC
ZL50030
Data Sheet
13
Zarlink Semiconductor Inc.
1.0 Device Overview
The ZL50030 can switch up to 4,096
×
2,048 channels while providing a rate conversion capability. It is designed to
switch 64 kbps PCM or N X 64 kbps data between the backplane and local switching applications. The device
maintains frame integrity in data applications and minimum throughput delay for voice applications on a
per-channel basis.
The backplane interface can operate at 8.192 Mbps in CT-Bus mode or 16.384 Mbps in ST-BUS mode and is
arranged in 125
μ
s wide frames that contain 128 or 256 channels respectively. A built-in rate conversion circuit
allows users to interface between the backplane and the local interface which operates at 2.048 Mbps, 4.096 Mbps
or 8.192 Mbps.
By using Zarlink’s message mode capability, the microprocessor can access input and output time slots on a per
channel basis. This feature is useful for transferring control and status information for external circuits or other TDM
devices.
2.0 Functional Description
A Functional Block Diagram of the ZL50030 is shown in Figure 1 on page 2. It is designed to interface CT-Bus and
ST-BUS serial streams from a backplane source and ST-BUS serial streams from a local source.
3.0 Frame Alignment Timing
In the ST-BUS or the CT-Bus mode, the C8_A_io or C8_B_io pin accepts an 8.192 MHz clock for the frame pulse
alignment. The FRAME_A_io or FRAME_B_io is the frame pulse signal which goes low at the frame boundary for
122 ns. The frame boundary is defined by the rising edge of the C8_A_io or C8_B_io clock during the low cycle of
the frame pulse. Figure 2 shows the CT-Bus timing for the backplane 8.192 Mbps data streams and Figure 3 shows
the ST-BUS timing for the 16.384 Mbps backplane data streams.
Figure 2 - CT-Bus Timing for 8 Mbps Backplane Data Streams
FRAME_A_io,
FRAME_B_io
C8_A_io,
C8_B_io
(8.192 MHz)
(CT Frame)
7
2
3
4
5
6
1
0
0
BSTio 0 - 31
(8 Mbps mode)
1
2
3
4
5
6
1
0
7
Channel 127
Channel 0
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ZL50030GAG2 制造商:Microsemi Corporation 功能描述:SWIT FABRIC 4K X 2K/1K X 1K 3.3V/5V 220BGA - Trays 制造商:Microsemi Corporation 功能描述:PB FREE FLEX 4KX2K DX+H.110 I/FACE+1K SW 制造商:Zarlink Semiconductor Inc 功能描述:SWIT FABRIC 4K X 2K/1K X 1K 3.3V/5V 220BGA - Trays 制造商:Zarlink Semiconductor Inc 功能描述:PB FREE FLEX 4KX2K DX+H.110 I/FACE+1K SW
ZL50031 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Flexible 4 K x 2 K Channel Digital Switch with H.110 Interface and 2 K x 2 K Local Switch
ZL50031QEG1 制造商:Microsemi Corporation 功能描述:FLEXIBLE 4 K X 2 K CH DGTL SWIT W/ H.110 INTRFC AND 1 K X 1 - Trays 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC DGTL SWITCH 4K X 2K 256MQFP 制造商:Microsemi Corporation 功能描述:IC DGTL SWITCH 4K X 2K 256MQFP
ZL50050 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:8 K-Channel Digital Switch with High Jitter Tolerance, Per Stream Rate Conversion (2, 4, 8, 16, or 32 Mbps), and 32 Inputs and 32 Outputs
ZL50050GAC 制造商:Microsemi Corporation 功能描述:8K DX HI JIT TOL, RATE CONV & 32 I/O - Trays
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