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LG1602AXB Datasheet(PDF) 4 Page - Agere Systems |
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LG1602AXB Datasheet(HTML) 4 Page - Agere Systems |
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4 / 10 page  Data Sheet LG1602 Decision Circuit February 1999 4 Lucent Technologies Inc. Electrical Characteristics Bit rate = 2.488 Mbits/s NRZ and data pattern = 223 – 1 PRBS, unless otherwise indicated. See Figure 3 for the tim- ing and signal levels and Figure 5 for the test circuit, when using the TF1001A test fixture. Note: Minimum and maximum values are testing requirements. Typical values are characteristics of the device and are the result of engineering evaluations. Typical values are for information purposes only and are not part of the testing requirements. Parameter Symbol Conditions LG1602AXB LG1602BXB Unit tCASE = 25 °C VSS = –5.2 V tCASE = 0 °C— 75 °C VSS = –4.9 V to –5.5 V Min Typ Max Min Typ Max Maximum Bit Rate — BER = 10–9 3 —— 2.5 —— GHz Data Input Voltage |VH – <V>| + |<V> – VL| —tR, tF ≤ 165 ps (20%—80%) 200 — 800 200 — 900 mV Data Input Sensitivity —BER = 10–9, limited clock phase margin — 20 —— 20 — mV Clock Input Voltage |VH – <V>| + |<V> – VL| —tR, tF ≤ 85 ps (20%—80%), duty cycle = 50% ± 10% 500 — 1000 200 — 900 mV Clock Phase Margin — — 250 360 — 250 360 — ps Clock Phase Minimum t1 Data transition to negative edge of CLOCK IN —— — — 150 205 ps Clock Phase Maximum t2 Data transition to negative edge of CLOCK IN — — — 455 510 — ps Clock Phase Center tC Data transition to negative edge of CLOCK IN — 330 —— 330 — ps Setup Time tS Valid input data to negative edge of CLOCK IN — 185 —— 185 205 ps Hold Time tH Negative edge CLOCK IN to valid DATA IN — –73 —— –73 –53 ps Propagation Delay tPD CLOCK IN negative edge to output transition — 1200 —— 1200 — ps Output Voltage (VH – VL) — Outputs ac coupled (see Figure 5) 500 600 — 500 600 — mV Output Transition Time — 20%—80%, outputs ac cou- pled —— 100 —— 100 ps Output Return Loss — 1 MHz—2 GHz, outputs ac coupled — 15 —— 15 — dB Data Input Return Loss — 100 kHz—300 kHz 0.3 MHz—1500 MHz 1.5 GHz—1.8 GHz — — — 10 15 15 — — — 10 15 15 — — — — — — dB dB dB Clock Input Return Loss — 2.4 GHz—2.6 GHz — 15 — 15 —— dB Power Supply Current — — — 115 —— 115 — mA Thermal Resistance — Junction to case bottom — 20 —— 20 — °C/W |
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