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CXD1944R Datasheet(PDF) 1 Page - Sony Corporation |
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CXD1944R Datasheet(HTML) 1 Page - Sony Corporation |
1 / 21 page 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 seri- al bus IEEE1394-1995 standard. The structure is 0.4µm CMOS and it operates on a single 3.3V power supply. 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 VDD –0.5 to +4.6 V • Input voltage VI VSS –0.5 to VDD +0.5 V • Output voltage VO VSS –0.5 to VDD +0.5 V • Operating temperature Ta –20 to +70 °C • Storage temperature Tstg –55 to +150 °C • Allowable power dissipation PD 1000 mW –1– PE96431–ST 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 the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits. 64 pin LQFP (plastic) Operating Conditions • Supply voltage VDD 3.0 to 4.5 V • Operating temperature Ta –20 to +75 °C Package 64-pin plastic LQFP (VQFP) 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 PRELIMINARY |
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