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Part Number: MTD658
Description: The MTD658 is a highly integrated, 10M/ 100M dual speed hub with build_in 2 port switch. Support 8 RMI...
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MTD658
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DataSheet
General Description
MTD658 General Description
The MTD658 is a highly integrated, 10M/ 100M dual speed hub with build_in 2 port switch. Support 8 RMII ports for 10M/100M operation, and really meet 100M_hub class_2 spec when connect with external QPHYceivers.
The MTD658 provides two Inter-repeater stacking bus for 10M and 100M expansion each, easily stack to 4 units without any external arbitration logic. If using external arbitration logic and proper bus driver, can stack to 6 units and up. The build_in 2 port switch, support 2k MAC addresses filtering, and use low cost asynchronous high speed SRAM (128k*8) one pcs only for packet buffering. This 2 port switch can also be configured to be up_link switch when hub is under slave mode.
The MTD658 also support an simple and effective LED display function, provide 10M_col, 100M_col, memory_test_fail, and per port's partition status.
MTD658 Maximum Ratings
| Symbol | Parameter |
RATING |
Unit |
| VCC | Power Supply Voltage |
-0.3 to 6.0 |
V |
| VIN | Input Voltage |
-0.3 to Vcc+0.3 |
V |
| VOUT | Output Voltage |
-0.3 to Vcc+0.3 |
V |
| TSTG | Storage Temperature |
-55 to 150 |
°C |
MTD658 Features
• IEEE802.3 Clause 9 and IEEE802.3u Cluse 27 compliant.
• Provide 8 RMII (Reduced Media Independent Interface) ports.
• Provide 2 inter_repeater stacking bus for 10M and 100M port expansion each.
• Support stacking to 4 units without any external arbitration logic ( if use external arbitration logic, theoretically can stack to 6 units and up) .
• Build_in 2 port switch controller, support up to 2048 MAC addresses filtering database.
• Optional back_pressure flow control
• Optional up_link_switch port function (in slave hub), support 100FX 2km distance extension in 100FD mode.
• Meet Class_2 repeater specification for 100M_hub.
• Use simple and low cost asynchronous SRAM (high speed ASRAM 128k*8 : one pcs only)
• 128 pin PQFP package, 5V operation voltage.
• Provide 8 RMII (Reduced Media Independent Interface) ports.
• Provide 2 inter_repeater stacking bus for 10M and 100M port expansion each.
• Support stacking to 4 units without any external arbitration logic ( if use external arbitration logic, theoretically can stack to 6 units and up) .
• Build_in 2 port switch controller, support up to 2048 MAC addresses filtering database.
• Optional back_pressure flow control
• Optional up_link_switch port function (in slave hub), support 100FX 2km distance extension in 100FD mode.
• Meet Class_2 repeater specification for 100M_hub.
• Use simple and low cost asynchronous SRAM (high speed ASRAM 128k*8 : one pcs only)
• 128 pin PQFP package, 5V operation voltage.
MTD658 Connection Diagram
MTD658
PDF/DataSheet Download
- Datasheet: MTD658
- File Size: 196880 KB
- Manufacturer: ETC [ETC]
- Click here to Download
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