MT90870AG 데이터 시트보기 (PDF) - Zarlink Semiconductor Inc

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MT90870AG

Flexible 12 k Digital Switch (F12kDX)

Zarlink Semiconductor Inc 

MT90870

Data Sheet

List of Figures

Figure 1 - MT90870 Functional Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Figure 2 - MT90870 PBGA Connections (272 PBGA) Pin Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Figure 3 - 8,192 x 4,096 Channels (16 Mb/s), Bidirectional Switching. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Figure 4 - 12,288 x 12,288 Channels (16 Mb/s), Unidirectional Switching . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Figure 5 - 6 K x 6 K Non-Blocking Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Figure 6 - Local Port Timing Diagram for 2,4,8 and 16 Mb/s stream rates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Figure 7 - Backplane Port Timing Diagram for 2, 4, 8, 16 and 32 Mb/s stream rates . . . . . . . . . . . . . . . . . . . . . . 23

Figure 8 - Backplane and Local Frame Pulse Alignment for Data Rates of 2 Mb/s, 4 Mb/s, 8 Mb/s and 16 Mb/s. 24

Figure 9 - Backplane and Local Input Channel Delay Timing Diagram (8 Mb/s) . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Figure 10 - Backplane and Local Input Bit Delay Timing Diagram for Data Rate of 16 Mb/s. . . . . . . . . . . . . . . . . 26

Figure 11 - Backplane and Local Input Bit Delay Timing Diagram for Data Rate of 8 Mb/s. . . . . . . . . . . . . . . . . . 27

Figure 12 - Backplane and Local Output Advancement Timing diagram for Data Rate of 16 Mb/s. . . . . . . . . . . . 28

Figure 13 - Local Port External High Impedance Control Bit Timing (ST-Bus Mode) . . . . . . . . . . . . . . . . . . . . . . 32

Figure 14 - Backplane Port External High Impedance Control Bit Timing (Non-32 Mb/s mode) . . . . . . . . . . . . . . 36

Figure 15 - Backplane Port External High Impedance Control Timing (32 Mb/s Mode) . . . . . . . . . . . . . . . . . . . . 40

Figure 16 - Constant Switch Delay: Examples of Different Stream Rates and Routing . . . . . . . . . . . . . . . . . . . . . 41

Figure 17 - Examples of BER transmission channels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Figure 18 - Frame Boundary Conditions, ST- BUS Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Figure 19 - Frame Boundary Conditions, GCI - BUS Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Figure 20 - Backplane and Local Clock Timing Diagram for ST-BUS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Figure 21 - Backplane and Local Clock Timing for GCI-BUS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

Figure 22 - ST-BUS Backplane Data Timing Diagram (8 Mb/s, 4 Mb/s, 2 Mb/s) . . . . . . . . . . . . . . . . . . . . . . . . . . 78

Figure 23 - ST-BUS Backplane Data Timing Diagram (32 Mb/s, 16 Mb/s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

Figure 24 - GCI BUS Backplane Data Timing Diagram (8 Mb/s, 4 Mb/s, 2 Mb/s) . . . . . . . . . . . . . . . . . . . . . . . . . 80

Figure 25 - GCI BUS Backplane Data Timing Diagram (32 Mb/s, 16 Mb/s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81

Figure 26 - ST-BUS Local Timing Diagram (16 Mb/s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82

Figure 27 - ST-BUS Local Data Timing Diagram (8 Mb/s, 4 Mb/s, 2 Mb/s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82

Figure 28 - Serial Output and External Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83

Figure 29 - Output Driver Enable (ODE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83

Figure 30 - Motorola Non-Multiplexed Bus Timing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84

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