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KS8721BT, KS8721BTR, KS8721SL

Table of contents:
Info of KS8721BT
Info of KS8721BTR
Info of KS8721SL

KS8721BT, KS8721BTR, KS8721SL Selling Leads, Datasheet

MFG:SAMSUNG Package Cooled:QFP48 D/C:0730+ROHS

KS8721BT, KS8721BTR, KS8721SL Datasheet download

Five Points

Part Number: KS8721BT

MFG: SAMSUNG

Package Cooled: QFP48

D/C: 0730+ROHS

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KS8721BT Parameters

KS8721BT Applications

LAN on Motherboard
Media Converter
Set Top Box
Cable/DSL modem
IP Phone Switch/Router
Game Console

KS8721BT General Description

2.5V 10/100BaseTX/FX MII Physical Layer Transceiver with Auto Crossover

KS8721BT Maximum Ratings

Supply Voltage
   (V_DDC, V_DD__PLL, V_{DD_TX}, V_{DD_RCV},
    V_{DD_RX}) ................................................... 0.5V to +3.0V
   (V_DDIO) .................................................... 0.5V to +4.0V
Input Voltage .............................................. 0.5V to +4.0V
Output Voltage ............................................ 0.5V to +4.0V
Lead Temperature (soldering, 10 sec.) ..................... 270°C
Storage Temperature (T_S) ..................... 55°C to +150°C

Exceeding the absolute maximum rating may damage the device.

KS8721BT Connection Diagram

KS8721SL General Description

The KS8721SL is a 10BASE-T, 100BASE-TX, and 100BASE-FX physical layer transceiver providing MII/ RMII interfaces to MACs and switches. Using a unique mixed-signal design that extends signaling distance while reducing power onsumption, the KS8721BL repre-sents Micrel's fourth generation single-port Fast Ethernet PHY.

Micrel's architecture dissipates an ultra-low 275mW in power, including transmit output drivers. This translates to ncreased reliability while enabling deployment in today's power-sensitive applications. Multiple power-down modes, ccessed via configuration pins or registers, allow further levels of power saving through manual selection or auto- atic detection of cable energy.

The KS8721SL automatically configures itself for 100Mbps or 10Mbps and full- or half-duplex operation, using an on- hip auto-negotiation algorithm. Combined with Auto MDI/MDIX for automatic correction and detec-tion of crossovernd straight-through cables, the KS8721SLprovides an easy-to-use, high performance solution for 10BASE-T, 00BASE-TX, and 100BASE-FX applications.

For additional information, contact your local Micrel Field Application Engineer or salesperson.

KS8721SL Features

• Single chip 10BASE-T, 100BASE-TX, and100BASE-FX physical layer solution
• Fully compliant to IEEE802.3u standards
• Low-power CMOS design, power consumption
• Supports media independent interface (MII) and reduced MII (RMII)
• Delivers robust operation (130 meters+)
• Furnishes Auto MDI/MDI-X
• Offers both power-down and power-saving modes
• Single 3.3V power supply
• Configurable through MII serial management ports or via external control pins
• Available in lead-free and industrial temperature versions
• Offered in flexible package options

KS8721SL Typical Application

`LAN on Motherboard....Cable/DSL Modem
`Media Converter...... Network Printer
`Set-Top Box ........Game Console

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