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MFG:DAVICOM  Package Cooled:TQFP  D/C:0711+  

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Part Number: DM9000A

 

MFG: DAVICOM

Package Cooled: TQFP

D/C: 0711+

Description: The DM9000A is a fully integrated and cost-effective low pin count single chip Fast Ethernet controlle...


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DM9000A General Description


The DM9000A is a fully integrated and cost-effective low pin count single chip Fast Ethernet controller with a general processor interface, a 10/100M PHY and 4K Dword SRAM. It is designed with low power and high performance process that support 3.3V with 5V IO tolerance.

The DM9000A supports 8-bit and 16-bit data interfaces to internal memory accesses for various processors. The PHY of the DM9000A can interface to the UTP3, 4, 5 in 10Base-T and UTP5 in 100Base-TX with AUTO-MDIX. It is fully compliant with the IEEE 802.3u Spec. Its auto-negotiation function will automatically configure the DM9000A to take the maximum advantage of its abilities. The DM9000A also supports IEEE 802.3x fullduplex flow control..

DM9000A Maximum Ratings

Symbol
Parameter
Min.
Max.
Unit
DVDD
Supply Voltage
-0.3
3.6
V
VIN
DC Input Voltage (VIN)
-0.5
5.5
V
VOUT
DC Output Voltage(VOUT)
-0.3
3.6
V
Tstg
Storage Temperature range
-65
+150
TC
Case Temperature
0
+85
TA
Ambient Temperature
0
+70
LT
Lead Temperature
(TL,soldering,10 sec.).
-
+235
-

DM9000A Features

· 48-pin LQFP
· Supports processor interface: byte/word of I/O command to internal memory data operation
· Integrated 10/100M transceiver with AUTO-MDIX
· Supports back pressure mode for half-duplex mode flow control
· IEEE802.3x flow control for full-duplex mode
· Supports wakeup frame, link status change and magic packet events for remote wake up
· Integrated 16K Byte SRAM
· Build in 3.3V to 2.5V regulator
· Supports early Transmit
· Supports IP/TCP/UDP checksum generation and checking
· Supports automatically load vendor ID and product ID from EEPROM
· Optional EEPROM configuration
· Very low power consumption mode:
· Power reduced mode (cable detection)
· Power down mode
· Selectable TX drivers for 1:1 or 1.25:1 transformers for additional power reduction.
· Compatible with 3.3V and 5.0V tolerant I/O

DM9000A Connection Diagram

DM9000A  Connection Diagram

DM9000A datasheet

DM9000A
PDF/DataSheet Download

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