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SPT9689ACU Datasheet(PDF) 1 Page - Cadeka Microcircuits LLC. |
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SPT9689ACU Datasheet(HTML) 1 Page - Cadeka Microcircuits LLC. |
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1 / 8 page  SPT9689 DUAL ULTRAFAST VOLTAGE COMPARATOR TECHNICAL DATA FEBRUARY 20, 2001 FEATURES • 650 ps propagation delay • 100 ps propagation delay variation • 70 dB CMRR • Low feedthrough and crosstalk • Differential latch control • ECL compatible APPLICATIONS • Automated test equipment • High-speed instrumentation • Window comparators • High-speed timing • Line receivers • High-speed triggers • Threshold detection • Peak detection GENERAL DESCRIPTION The SPT9689 is a Subnanosecond monolithic dual com- parator. The propagation delay variation is less than 100 ps from 5 to 50 mV input overdrive voltage. The input slew rate is 10 V/ns. The device utilizes a high precision differential input stage with a common-mode range of –2.5 V to +4.0 V. ECL-compatible complementary digital outputs are ca- pable of driving 50 Ω terminated transmission lines and providing 30 mA output drive. The SPT9689 is pin compat- ible with the SPT9687. It is available in 20-lead PLCC and 20-contact LCC packages over the industrial temperature range. The SPT9689 is also available in die form. BLOCK DIAGRAM A + INVERTING INPUT GNDA LATCH ENABLE LATCH ENABLE Q OUTPUT Q OUTPUT INVERTING INPUT NONINVERTING INPUT GNDB LATCH ENABLE LATCH ENABLE Q OUTPUT Q OUTPUT NONINVERTING INPUT + B VEE VCC |
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