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HDMP-1637A Datasheet(PDF) 9 Page - Agilent(Hewlett-Packard) |
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HDMP-1637A Datasheet(HTML) 9 Page - Agilent(Hewlett-Packard) |
9 / 16 page 9 HDMP-1637A (Transmitter Section) Output Jitter Characteristics (measured with equivalent parts which have TTL REFCLK input) TA = 0°C to +70°C, VCC = 3.15 V to 3.45 V Symbol Parameter Units Typ. RJ[1] Random Jitter at DOUT, the High Speed Electrical Data Port, specified as ps 8 1 sigma deviation of the 50% crossing point (RMS) DJ[1] Deterministic Jitter at DOUT, the High Speed Electrical Data Port (pk-pk) ps 25 Note: 1. Defined by Fibre Channel Specification X3.230-1994 FC-PH Standard, Annex A, Section A.4 and tested using measurement method shown in Figure 8. Figure 8. Transmitter Jitter Measurement Method. HDMP-1637A (TRx) Thermal and Power Temperature Characteristics TA = 0°C to +70°C, VCC = 3.15 V to 3.45 V Symbol Parameter Units Typ. Max. PD,TRx[1,2] Transceiver Power Dissipation, Outputs connected per mW 620 900 recommended bias terminations with idle pattern Θjc[3] Thermal Resistance, Junction to Case °C/W 11 Notes: 1. PD is obtained by multiplying VCC by ICC and subtracting the power dissipated outside the chip at the high speed bias resistors. 2. Specified with high speed outputs biased with 150 Ω resistors and receiver TTL outputs driving 10 pF loads. 3. Based on independent package testing by Agilent Technologies. Θja for these devices is 56.1°C/W for the HDMP-1637A. Θja is measured on a standard 3x3" FR4 PCB in a still air environment. To determine the actual junction temperature in a given application, use the following: Tj = TC + (Θjc x PD), where TC is the case temperature measured on the top center of the package and PD is the power being dissipated. 70841B PATTERN GENERATOR* 83480A OSCILLOSCOPE HDMP-1637A 70311A CLOCK SOURCE + DATA - DATA 0000011111 TRIGGER CH1 CH2 +DOUT -DOUT REFCLK LOOPEN Txi[0..9] PECL 0011111000 (STATIC K28.7) 1.25 GHz 125 MHz * PATTERN GENERATOR PROVIDES A DIVIDE BY 10 FUNCTION. A. BLOCK DIAGRAM OF RJ MEASUREMENT METHOD 70841B PATTERN GENERATOR 83480A OSCILLOSCOPE HDMP-1637A 70311A CLOCK SOURCE + DATA - DATA +K28.5, -K28.5 TRIGGER CH1 CH2 +DOUT -DOUTi REFCLK LOOPEN Txi[0..9] 1.25 GHz 125 MHz ENBYTSYNC Rx[0..9] -DIN +DIN DIVIDE BY 2 DIVIDE BY 10 CIRCUIT (DUAL OUTPUT) VARIABLE DELAY PECL B. BLOCK DIAGRAM OF DJ MEASUREMENT METHOD |
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