LXT907APC Datasheet

  • LXT907APC

  • LAN TRANSCEIVER|SINGLE|LDCC|44PIN|PLASTIC

  • 691.75KB

  • 44页

  • ETC

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LXT901A/907A
Universal 3.3V Ethernet Transceiver
Datasheet
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 twisted-
pair 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.
Applications
s
10BASE-T hub and switching products
s
Computer/workstation 10BASE-T LAN
adapter boards
Product Features
Functional Features
s
s
s
s
s
Convenience Features
s
s
s
s
s
s
s
s
Integrated Filters - Simplify FCC
Compliance
Integrated Manchester Encoder/Decoder
10BASE-T Transceiver
AUI Transceiver
Full-Duplex Capable (20 Mbps)
Diagnostic Features
s
s
Four LED Drivers
AUI/RJ-45 Loopback
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 +70
o
C)
As of January 15, 2001, this document replaces the Level One document
LXT901A/907A 鈥?Universal 3.3V Ethernet Transceiver.
Order Number: 249098-001
January 2001

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