參數(shù)資料
型號： ZL50015QCC1
廠商： ZARLINK SEMICONDUCTOR INC
元件分類： 路由/交換
英文描述： Enhanced 1 K Digital Switch with Stratum 4E DPLL
中文描述： TELECOM, DIGITAL TIME SWITCH, PQFP256
封裝： 28 X 28 MM, 1.40 MM HEIGHT, LEAD FREE, MS-026BJC, LQFP-256
文件頁數(shù)： 34/122頁
文件大?。?/td> 926K
代理商： ZL50015QCC1
ZL50015
Data Sheet
34
Zarlink Semiconductor Inc.
In variable delay mode, the delay depends on the combination of the source and destination channels of the input
and output streams.
For example, if Stream 4 Channel 2 is switched to Stream 5 Channel 9 with variable delay, the data will be output in
the same 125
μ
s frame. Contrarily, if Stream 6 Channel 1 is switched to Stream 9 Channel 3, the information will
appear in the following frame.
Figure 19 - Data Throughput Delay for Variable Delay
8.2 Constant Delay Mode
In this mode, frame integrity is maintained in all switching configurations. The delay though the switch is 2 frames -
Input Channel + Output Channel. This can result in a minimum of 1 frame + 1 channel delay if the last channel on a
stream is switched to the first channel of a stream. The maximum delay is 3 frames - 1 channel. This occurs when
the first channel of a stream is switched to the last channel of a stream. The constant delay mode is available for all
output channels.
The data throughput delay is expressed as a function of ST-BUS/GCI-Bus frames, input channel number (m) and
output channel number (n). The data throughput delay (T) is:
T = 2 frames + (n - m)
The constant delay mode is controlled by V/C (bit 14) in the Connection Memory Low when CMM = 0. When this bit
is set low, the channel is in constant delay mode. If VAREN (bit 4) in the Control Register (CR) is set (to enable
variable throughput delay on a chip-wide basis), the device can still be programmed to operate in constant delay
mode.
m = input channel number
n = output channel number
n-m <= 0
0 < n-m < 7
n-m = 7
n-m > 7
STio < STi
STio >= STi
T = Delay between input and output
1 frame - (m-n)
1 frame + (n-m)
n-m
Table 4 - Delay for Variable Delay Mode
L-2
L-1
CH0 CH1 CH2 CH3
L-2
L-1
CH0 CH1 CH2 CH3
L-2
L-1
CH0 CH1 CH2 CH3
L-2
L-1
CH0 CH1 CH2 CH3
L-2
L-1
CH0 CH1 CH2 CH3
L-2
L-1
CH0 CH1 CH2 CH3
L-2
L-1
CH0 CH1 CH2 CH3
L-2
L-1
CH0 CH1 CH2 CH3
CH4 CH5 CH6
CH4 CH5 CH6
CH4 CH5 CH6
CH4 CH5 CH6
CH7 CH8 CH9
CH7 CH8 CH9
CH7 CH8 CH9
CH7 CH8 CH9
STi4
CH2
STio5
CH9
STi6
CH1
STio9
CH3
Frame N
Frame N + 1
L = last channel = 31, 63, 127, or 255 for 2.048 Mbps, 4.096 Mbps
,
8.192 Mbps, or 16.384 Mbps respectively.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ZL50015QCG1 制造商:Microsemi Corporation 功能描述: 制造商:Microsemi Corporation 功能描述:PB FREE 1K+RATE CONVERSION AND S4E DPLL 制造商:Microsemi Corporation 功能描述:PB FREE 1K+RATE CONVERSION AND S4E DPLL - Trays 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC TDM SWITCH 1K-CH ENH 256LQFP 制造商:Microsemi Corporation 功能描述:IC TDM SWITCH 1K-CH ENH 256LQFP
ZL50016 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Enhanced 1 K Digital Switch
ZL50016_06 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Enhanced 1 K Digital Switch
ZL50016GAC 制造商:Microsemi Corporation 功能描述:SWIT FABRIC 1K X 1K 1.8V/3.3V 256BGA - Trays 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC TDM SWITCH 1K-CH ENH 256PBGA 制造商:Microsemi Corporation 功能描述:IC TDM SWITCH 1K-CH ENH 256PBGA
ZL50016GAG2 制造商:Microsemi Corporation 功能描述:SWIT FABRIC 1K X 1K 1.8V/3.3V 256BGA - Trays 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC TDM SWITCH 1K-CH ENH 256PBGA 制造商:Microsemi Corporation 功能描述:IC TDM SWITCH 1K-CH ENH 256PBGA
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