CXD1944R

www.DataSheet4U.com PRELIMINARY CXD1944R IEEE1394 3-port 200Mbps Cable Transceiver/Arbiter Description The CXD1944R is a PHY chip which suppor ts 100/200Mbps speeds and performs cable interface and bus arbitration. It conforms to the high performance serial bus IEEE1394-1995 standard. The structure is 0.4µm CMOS and it operates on a single 3.3V power supply. 64 pin LQFP (plastic) Features Conforms to IEEE1394-1995 Single 3.3V power supply Supports 100/200Mbps speeds Automatic power down for unused ports Power down mode to conserve energy Supports short reset operation Supports ping for optimization of a Gap_count Absolute Maximum Ratings Supply voltage Input voltage Output voltage Storage temperature VDD VI –0.5 to +4.6 V Applications When used with a LINK chip (e.g. CXD1940R), allows configuration of a high-speed digital serial interface. Structure 0.4µm CMOS monolithic IC 1000 mW VSS –0.5 to VDD +0.5 V –20 to +70 –55 to +150 °C °C Package 64-pin plastic LQFP (VQFP) Operating Conditions Supply voltage VDD 3.0 to 4.5 –20 to +75 V °C Operating temperature Ta VO VSS –0.5 to VDD +0.5 V Tstg PD Operating temperature Ta Allowable power dissipation www.DataSheet4U.com Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the operation of ...