tp3401 National Semiconductor Corporation, tp3401 Datasheet
tp3401
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tp3401 Summary of contents
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... A 2 048 MHz clock which may be synchronized to the sys- tem clock controls all transmission-related timing functions For the TP3401 this clock must be provided from an exter- nal source the TP3402 includes an oscillator circuit requir- ing an external crystal The TP3403 includes the functions ...
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... TP3403 only) MBS FS In Master Mode this pin is the Master Burst C (TP3401 and Sync input which may be clocked at 4 kHz TP3403 only) to synchronize Transmit bursts from a num- ber of devices at the Master end only The 4 kHz should be nominally a square wave sig- nal If not used leave this pin open In Slave ...
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... To power-up the device and initiate activation bit C6 in the Control Register must be set high Setting C6 low de-acti- vates the loop and powers-down the device see Table I TABLE I Master Mode Burst Sync Control (TP3401 Only) MBS Pin I P Action ...
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Functional Description (Continued) FIGURE 3 Typical AMI Waveform at L FIGURE 4 Typical AMI Transmit Spectrum Measured at LO Output (With RBW FIGURE 5 Burst Mode Timing on the Line 9264 – 100 Hz) 4 ...
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... Master end by means of the MBS input (TP3401 only) (See Figure the latter case with all Master-end transmitters in a system synchronized together near-end crosstalk between pairs in the same cable binder ...
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TABLE II Control and Status Register Functions Bit State Control Register Function 0 Master Mode C7 1 Slave Mode 0 Deactivate and Power Down C6 1 Power Up and Activate 0 Normal Through Connection C5 1 Loopback to Digital Interface ...
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... Typical Applications FIGURE 8 Typical Application for Slave End Note 1 The TP3401 may also be used in this configuration with an external MCLK source Note 2 The TP3075 6 Programmable Combos also must be connected to the MICROWIRE interface Note 3 Only necessary if a mechanical Hookswitch is connected to the NMI input of the HPC ...
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Typical Applications (Continued) FIGURE 9 Typical Application for Master End Timing Diagrams FIGURE 10 B Channel Interface Timing Details 9264 – 9264 – 7 ...
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Timing Diagrams (Continued) FIGURE 11 D Channel Interface Timing (Master and Slave Modes C1 FIGURE 12 D Channel Interface Timing (Master Mode only 9264 – 9264 – ...
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Timing Diagrams (Continued) 10 ...
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Absolute Maximum Ratings If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications V to GND CC Voltage Voltage at any Digital Input V ...
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... Load 2 LSTTL Inputs Plus Load 2 LSTTL Inputs Plus 100 pF Slave Mode Only e Load 2 LSTTL Inputs Plus 100 pF Master Mode Only (TP3401 and TP3403 only) Master Mode Only (TP3401 and TP3403 only Min Typ Max ...
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Timing Characteristics (Continued Unless otherwise noted All signals are referenced to GND Symbol Parameter D CHANNEL INTERFACE (Figure 11 12) t Set Up Time D SDDC X Valid to DCLK Low t ...
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Definitions and Timing Conventions DEFINITIONS the d c input level above which input level is guaranteed to appear as a logical one This parameter measured by performing a function- al test ...
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... Physical Dimensions inches (millimeters) Ceramic Dual-In-Line Package (J) Order Number TP3401J or TP3402J NS Package Number J20A 15 ...
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Physical Dimensions inches (millimeters) (Continued) LIFE SUPPORT POLICY NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF NATIONAL SEMICONDUCTOR CORPORATION As used herein 1 ...