DS2186S Maxim Integrated Products, DS2186S Datasheet
DS2186S
Specifications of DS2186S
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DS2186S Summary of contents
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FEATURES Line interface for T1 (1.544 MHz) and CEPT (2.048 MHz) primary rate networks On–chip transmit LBO (line build out) and line drivers eliminate external components Programmable output pulse shape supports short– and long–loop applications Supports bipolar and unipolar input ...
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DS2186 DS2186 BLOCK DIAGRAM Figure 1 VSS LNEG LPOS LCLK INPUT ZERO CODE DATA SUPPRESSION TNEG MUX CIRCUITRY TPOS TCLK LB ZCSEN TAIS TCLKSEL SYSTEM LEVEL INTERCONNECT Figure 2 DS2187 AVDD LCAP ZCSEN RCLKSEL RTIP RRING RECEIVE ...
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PIN DESCRIPTION Table 1 PIN SYMBOL TYPE 1 TAIS I Transmit Alarm Indication Signal. When high, output data is forced to all ones at the TCLK (LB=0) or LCLK (LB=1) rate. 2 ZCSEN I Zero Code Suppression Enable. When high, ...
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DS2186 The shape of the “pre–emphasized” T1 waveform is controlled by inputs LEN0, LEN1, and LEN2 (TCLKSEL=0). These control inputs allow the user to select the appropriate output pulse shape to meet DSX–1 or CSU templates over a wide variety ...
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DSX–1 ISOLATED PULSE TEMPLATE Figure 3 1.0 0.5 NORMALIZED ALITITUDE 0.0 –0.5 0 250 NOTES: 1. Template shown is measured at the cross–connect point. 2. Amplitude shown is normalized; the actual midpoint voltage measured may be between 2.4 and 3.6 ...
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DS2186 OUTPUT PULSE TEMPLATE AT 2.048 MHz Figure 4 1.2 1.0 NORMALIZED AMPLITUDE 0.5 0.0 –0.2 NOTES: 1. Unlike the DSX–1 template, which is specified at the cross–connect point, the CEPT (2.048 MHz) template is spe- cified at the transmit ...
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CHARACTERISTICS OF T1 AND CEPT INTERFACES Table 3 CHARACTERISTIC LINE RATE 1.544 MHz 1 LINE CODE AMI or B8ZS TEST LOAD IMPEDANCE 100 ohm Resistive 2 NOMINAL PEAK 2.4V to 3.6 V VOLTAGE PULSE SHAPE NOMINAL PULSE WIDTH 324 ns ...
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DS2186 ABSOLUTE MAXIMUM RATINGS* Voltage on any Pin Relative to Ground Operating Temperature Storage Temperature Soldering Temperature * This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in ...
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AC ELECTRICAL CHARACTERISTICS PARAMETER SYMBOL TCLK, LCLK Period t CLK TCLK, LCLK Period t CLK TCLK, LCLK Pulse Width t , RWH t RWL TCLK, LCLK Pulse Width t , RWH t RWL TCLK, LCLK Rise and Fall Times t ...
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DS2186 DS2186 TRANSMIT LINE INTERFACE 20–PIN DIP 022798 10/11 PKG 20–PIN DIM MIN A IN. 1.020 B MM 25.91 B IN. 0.240 MM 6.10 C IN. 0.120 MM 3.05 D IN. 0.300 MM ...
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... DS2186S TRANSMIT LINE INTERFACE 20–PIN SOIC phi L J PKG 20–PIN DIM MIN A IN. 0.500 MM 12.70 B IN. 0.290 7.37 C IN. 0.089 MM 2.26 E IN. 0.004 MM 0.102 F IN. 0.094 MM 2.38 0.050 BSC G IN. 1.27 BSC MM H IN. 0.398 MM 10.11 J IN. 0.009 MM 0.229 C K IN. 0.013 MM 0. ...