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Part Number: LXT901A
Description: The LXT901A and LXT907A are new generation Universal Ethernet Transceivers with improved noise immunit...
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LXT901A
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DataSheet
General Description
LXT901A General Description
The LXT901A and LXT907A are new generation Universal Ethernet Transceivers with improved noise immunity and output filtering. The feature set of the LXT901A/907A has been streamlined, removing Remote Signaling capabilities. The LXT901A and LXT907A provide all the active circuitry to interface most standard 802.3 controllers to either the 10BASE-T media or Attachment Unit Interface (AUI).
The LXT901A and LXT907A are identical except for the function of one pin. The LXT901A, with selectable termination impedance allows the use of either shielded or unshielded twistedpair cable. The LXT907A offers a Signal Quality Error disable (DSQE) function.
LXT901A and LXT907A functions include Manchester encoding/decoding, receiver squelch and transmit pulse shaping, jabber, link testing and reversed polarity detection/correction.
LXT901A Maximum Ratings
| Parameter | Symbol | Min | Max | Units |
| Supply voltage | VCC | -0.3 | 6 | V |
| Ambient operating temperature (Commercial) | TA | 0 | +70 | ºC |
| Storage temperature | TSTG | -65 | +150 | ºC |
Caution: Exceeding these values may cause permanent damage. Functional operation under these conditions is not implied.
Exposure to maximum rating conditions for extended periods may affect device reliability.
LXT901A Features
Functional Features
·Integrated Filters - Simplify FCC Compliance
·Integrated Manchester Encoder/Decoder
· 10BASE-T Transceiver
·AUI Transceiver
·Full-Duplex Capable (20 Mbps)
Diagnostic Features
·Four LED Drivers
·AUI/RJ-45 Loopback
Convenience Features
·Automatic/Manual AUI/RJ-45 Selection
·Automatic Polarity Correction
·SQE Disable function (LXT907A)
·Programmable Impedance Driver (LXT901A)
·Single 3.3V operation
·Power Down Mode and four loopback modes
·Available in 64-pin LQFP and 44-pin PLCC packages
·Commercial (0 to +70oC)
·Integrated Filters - Simplify FCC Compliance
·Integrated Manchester Encoder/Decoder
· 10BASE-T Transceiver
·AUI Transceiver
·Full-Duplex Capable (20 Mbps)
Diagnostic Features
·Four LED Drivers
·AUI/RJ-45 Loopback
Convenience Features
·Automatic/Manual AUI/RJ-45 Selection
·Automatic Polarity Correction
·SQE Disable function (LXT907A)
·Programmable Impedance Driver (LXT901A)
·Single 3.3V operation
·Power Down Mode and four loopback modes
·Available in 64-pin LQFP and 44-pin PLCC packages
·Commercial (0 to +70oC)
LXT901A Typical Application
·10BASE-T hub and switching products
·Computer/workstation 10BASE-T LAN adapter boards
·Computer/workstation 10BASE-T LAN adapter boards
LXT901A Connection Diagram
LXT901A
PDF/DataSheet Download
- Datasheet: LXT901A
- File Size: 1073367 KB
- Manufacturer: LVL1 [Level One]
- Click here to Download
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