cxd1944r Sony Electronics, cxd1944r Datasheet

cxd1944r

Manufacturer Part Number

cxd1944r

Description

Ieee1394 3-port 200mbps Cable Transceiver/arbiter

Manufacturer

Sony Electronics

Datasheet

1.CXD1944R.pdf (21 pages)

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Download datasheet (155Kb)

Description

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

• Input voltage

• Output voltage

• Operating temperature Ta

• Storage temperature

• Allowable power dissipation

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.

IEEE1394 3-port 200Mbps Cable Transceiver/Arbiter

The CXD1944R is a PHY chip which suppor ts

Tstg

–0.5 to V

–0.5 to +4.6

–55 to +150

–20 to +70

1000

PRELIMINARY

+0.5 V

°C

–1–

Operating Conditions

• Supply voltage

• Operating temperature Ta

Package

Applications

configuration of a high-speed digital serial interface.

Structure

64-pin plastic LQFP (VQFP)

When used with a LINK chip (e.g. CXD1940R), allows

0.4µm CMOS monolithic IC

64 pin LQFP (plastic)

CXD1944R

–20 to +75

3.0 to 4.5

PE96431–ST

°C

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