ML4644CQ Micro Linear, ML4644CQ Datasheet
ML4644CQ
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ML4644CQ Summary of contents
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GENERAL DESCRIPTION The ML4644 AUI Multiplexer contains all the necessary drivers/receivers and control logic to implement a 4 port MAU when used in conjuction with a transceiver chip which has a standard 802.3 AUI interface. Several ML4644s can be cascaded ...
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ML4644 PIN CONNECTIONS TxIN2N 10 TxIN3P 11 TxIN3N TxOUTN 14 TxOUTP 15 RESERVED 16 RRSET JAB2 19 RxOUT1P 20 RxOUT1N 21 REC 22 RxOUT2P 23 RxOUT2N 24 VCC 25 VCC 26 PIN DESCRIPTION PIN ...
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PIN DESCRIPTION (Continued) PIN # NAME FUNC. DESCRIPTION 23 RxOUT2P Output Receive signal pair for DTE port 2. 24 RxOUT2N Output Receive signal pair for DTE port 2. 25 VCC Power +5V power supply. 26 VCC Power +5V power supply. ...
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ML4644 ABSOLUTE MAXIMUM RATINGS Absolute maximum ratings are limits beyond which the life of the integrated circuit may be impaired. All voltages unless otherwise specified are measured with respect to ground. Power Supply Voltage Range GND ...
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AC ELECTRICAL CHARACTERISTICS SYMBOLS PARAMETER TRANSMIT t Transmitter Turn-On Delay XODY t Transmit Steady State Prop. Delay TXSDY t Transmit Turn-Off Pulse Width TXFPW t Transmit Turn-Off Start of Idle TXSOI RECEIVE t Receive Turn-On Delay RXODY t Receive Steady ...
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ML4644 TIMING DIAGRAMS TxINP TxINN TxOUTP TxOUTN RxOUTP RxOUTN RxINP RxINN RxOUT1 RxOUT1 TxIN2P TxIN2N TxIN1P TxIN1N CDOUT1 CDOUT1 TxOUTP TxIN2 TxOUTN 6 VALID DATA t t TxODY TxSDY ...
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TIMING DIAGRAMS (Continued) TxIN1P TxIN1N TxIN2P VALID TxIN2N t SQEXR CDOUT1 CS0 CDOUT1 TxOUTP JAM TxOUTN TxIN1P TxIN1N CDOUT1P CDOUT1N CDOUT2P CDOUT2N TxIN1P TxIN1N TxOUT1P TxOUT1N CDOUT1P CDOUT1N DATA t t JAM XIN2P XIN2P Figure 6. ...
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ML4644 TxOUT1P TxOUT1N TxLED1 8 t LETD Figure 9. LED Timing ...
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FUNCTIONAL DESCRIPTION Figure block diagram of a Four Port Multiplexer using the ML4644. All AUI interfaces are transformer coupled as required in an AUI connection. RECEPTION The receive function consists of detecting data on receive differential data ...
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ML4644 39 39 0.1µF 360 360 360 360 10 TxIN1P V CC TxIN1N V CC RxOUT1P RTSET RxOUT1N TxOUTP CDOUT1P TxOUTN CDOUT1N RxINP TxIN2P RxINN TxIN2N RxOUT2P CDINP RxOUT2N CDINN CDOUT2P SQEN1 CDOUT2N SQEN2 ML4644 TxIN3P SQEN3 TxIN3N SQEN4 RESERVED ...
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... ORDERING INFORMATION PART NUMBER ML4644CQ (EOL) © Micro Linear 1997 is a registered trademark of Micro Linear Corporation Products described in this document may be covered by one or more of the following patents, U.S.: 4,897,611; 4,964,026; 5,027,116; 5,281,862; 5,283,483; 5,418,502; 5,508,570; 5,510,727; 5,523,940; 5,546,017; 5,559,470; 5,565,761; 5,592,128; 5,594,376; Japan: 2598946; 2619299. Other patents are pending. ...