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MTD655

Features: • IEEE802.3 Clause 9 and IEEE802.3u Cluse 27 compliant.• Provide 4 RMII (Reduced Media Independent Interface) ports and 1 MII port.• Provide 2 inter_repeater stacking bus for 10M and 100M port expansion each.• Support stacking to 4 units without any external arbit...

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SeekIC No. : 004430573 Detail

MTD655: Features: • IEEE802.3 Clause 9 and IEEE802.3u Cluse 27 compliant.• Provide 4 RMII (Reduced Media Independent Interface) ports and 1 MII port.• Provide 2 inter_repeater stacking bus...

MTD655 Data Sheet

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Part Number:
MTD655
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/26

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Product Details

Description



Features:

• IEEE802.3 Clause 9 and IEEE802.3u Cluse 27 compliant.
• Provide 4 RMII (Reduced Media Independent Interface) ports and 1 MII port.
• 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.


Pinout

Connection Diagram


Specifications

Symbol Parameter RATING Unit
VCC Power Supply Voltage 0.3 to 3.6 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



Description

The MTD655 is a highly integrated, 10M/ 100M dual speed hub with build_in 2 port switch. Support 4 RMII ports and 1 MII port for 10M/ 100M operation, and meet 100M_hub class_2 spec when connect with external PHYceivers.

The MTD655 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 MTD655, 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 MTD655 also support an simple and effective LED display function, provide 10M_col, 100M_col, memory_test_fail, and per port's partition status.




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