Features: *Fully complies with IEEE 802.3u 10Base-T/100Base-TX*Comply with ANSI X3T12 TP-PMD 1995 standard*Support Auto-Negotiation function, compliant with IEEE 802.3u*Fully integrated Physical layer single chip with direct interface to magnetic*Integrated 10Base-T and 100Base-TX transceiver*On-c...
DM9161: Features: *Fully complies with IEEE 802.3u 10Base-T/100Base-TX*Comply with ANSI X3T12 TP-PMD 1995 standard*Support Auto-Negotiation function, compliant with IEEE 802.3u*Fully integrated Physical lay...
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*Fully complies with IEEE 802.3u 10Base-T/100Base-TX
*Comply with ANSI X3T12 TP-PMD 1995 standard
*Support Auto-Negotiation function, compliant with IEEE 802.3u
*Fully integrated Physical layer single chip with direct interface to magnetic
*Integrated 10Base-T and 100Base-TX transceiver
*On-chip filtering, no need for external filters
*Selectable repeater or node mode
*Selectable MII or RMII (Reduced MII) interface.
*Selectable GPSI (7-Wired) or MII mode at the 10Base-T.
*Selectable full-duplex or half-duplex operation
*MII management interface with maskable interrupt output capability
*Provide Loopback mode for easy system diagnostics
*LED status outputs indicate Link/ Activity, Speed10/100 and Full-duplex/Collision.
*Single low power Supply of 3.3V with 0.35m CMOS technology
*Very Low Power consumption modes:
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/Os
*48-pin LQFP small package (1x1 cm)
Symbol | Parameter | Min. | Max. | Unit | Conditions |
DVDD, AVDD | 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 Rang (Tstg) | -65 | +125 | ||
Tc | Case Temperature | 0 | 85 | ||
LT | Lead Temp. (TL, Soldering, 10 sec.) | --- | 235 |
The DM9161 is a physical layer, single-chip, and low power transceiver for 100BASE-TX and 10BASE-T operations. On the media side, it provides a direct interface either to Unshielded Twisted Pair Category 5 Cable (UTP5) for 100BASE-TX Fast Ethernet, or UTP5/UTP3 Cable for 10BASE-T Ethernet. Through the Media Independent Interface (MII), the DM9161 connects to the Medium Access Control (MAC) layer,ensuring a high inter operability from different vendors.
The DM9161 uses a low power and high performance CMOS process. It contains the entire physical layer functions of 100BASE-TX as defined by IEEE802.3u,including the Physical Coding Sublayer (PCS),Physical Medium Attachment (PMA), Twisted Pair Physical Medium Dependent Sublayer (TP-PMD),10BASE-TX Encoder/Decoder (ENC/DEC), and Twisted Pair Media Access Unit (TPMAU). The DM9161 provides a strong support for the auto-negotiation function, utilizing automatic media speedand protocol selection. Furthermore, due to the built-in wave shaping filter, the DM9161 needs no external filter to transport signals to the media in 100BASE-TX or 10BASE-T Ethernet operation.