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參數(shù)資料
| 型號(hào)： | ZL50053QCC |
| 廠商： | ZARLINK SEMICONDUCTOR INC |
| 元件分類： | 路由/交換 |
| 英文描述： | 8 K Channel Digital Switch with High Jitter Tolerance, Single Rate (8 or 16 Mbps), and 64 Inputs and 64 Outputs |
| 中文描述： | TELECOM, DIGITAL TIME SWITCH, PQFP256 |
| 封裝： | 28 X 28 MM, 1.40 MM HEIGHT, 0.40 MM PITCH, MS-026BJC, LQFP-256 |
| 文件頁數(shù)： | 19/67頁 |
| 文件大?。?/td> | 562K |
| 代理商： | ZL50053QCC |
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ZL50051/3
Data Sheet
19
Zarlink Semiconductor Inc.
2.0 Functional Description
2.1 Switching Configuration
The device supports five switching configurations:
1. Unidirectional sSwitch
2. Backplane-to-Local
3. Local-to-Backplane
4. Backplane-to-Backplane
5. Local-to-Local
The following sections describe the switching paths in detail. Configurations (2) - (5) enable a non-blocking
bi-directional switch with 4,096 Backplane input/output channels and 4,096 Local input/output channels. The
switching paths of configurations (2) to (5) may be operated simultaneously.
2.1.1 Unidirectional Switch
The device can be configured as a 8,192 x 8,192 unidirectional switch by grouping together all input streams and all
output streams. All streams can be operated at a data rate of 16.384 Mbps or 8.192 Mbps.
2.1.2 Backplane-to-Local Path
The device can provide data switching between the Backplane input port and the Local output port. The Local
Connection Memory determines the switching configurations.
2.1.3 Local-to-Backplane Path
The device can provide data switching between the Local input port and the Backplane output port. The Backplane
Connection Memory determines the switching configurations.
2.1.4 Backplane-to-Backplane Path
The device can provide data switching between the Backplane input and output ports. The Backplane Connection
Memory determines the switching configurations.
2.1.5 Local-to-Local Path
The device can provide data switching between the Local input and output ports. The Local Connection Memory
determines the switching configurations.
2.1.6 Port Data Rate Modes and Selection
The Local port has 32 input (LSTi0-31) and 32 output (LSTo0-31) data streams. Similarly, the Backplane port has
32 input (BSTi0-31) and 32 output (BSTo0-31) data streams. The bit rate of all these streams is selected by writing
to the Bit Rate Registers, BRR (see Table 24). All the streams operate at the same bit rate at a time. The device can
operate at 8.192 or 16.384 Mbps. The default operation mode is 8.192 Mbps, in which all the input (LSTi0-31,
BSTi0-31) and output (LSTo0-31, BSTo0-31) streams are available. In 16.384 Mbps mode, only half of the streams
are available. LSTi16-31, BSTi16-31, LSTo16-31, and BSTo16-31 are not used. The timing of the input and output
clocks and frame pulses is shown in Figure 8, “Input and Output Frame Pulse Alignment for Different Data Rates”
on page 21. The input traffic are aligned based on the FP8i and C8i input timing signals, while the output traffic are
aligned based on the FP8o and C8o output timing signals.
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| ZL50057 | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:12 K-Channel Digital Switch with High Jitter Tolerance, Per Stream Rate Conversion (2, 4, 8, 16, or 32 Mbps), and 48 Inputs and 48 Outputs |
| ZL50057GAC | 制造商:Microsemi Corporation 功能描述: 制造商:Microsemi Corporation 功能描述:12K DX HI JIT TOL RATE CONV & 48 I/O 27M - Trays 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC DIGITAL SWITCH 12K CH 272PBGA 制造商:Microsemi Corporation 功能描述:IC DIGITAL SWITCH 12K CH 272PBGA |
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| ZL50058 | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:12 K-Channel Digital Switch with High Jitter Tolerance, Per Stream Rate Conversion (2, 4, 8, 16, or 32 Mbps), and 48 Inputs and 48 Outputs |
| ZL50058GAC | 制造商:Microsemi Corporation 功能描述:12K DX HI JIT TOI RATE CONC - Trays 制造商:Microsemi Corporation 功能描述:IC DIGITAL SWITCH 12K CH 256PBGA |
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