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MAX9602EUG Datasheet(PDF) 11 Page - Maxim Integrated Products |
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MAX9602EUG Datasheet(HTML) 11 Page - Maxim Integrated Products |
11 / 12 page Dual ECL and Dual/Quad PECL, 500ps, Ultra-High-Speed Comparators ______________________________________________________________________________________ 11 Timing Information (MAX9600/MAX9601) The timing diagram (Figure 1) illustrates the operation of a comparator with latch enable. The top line of the diagram illustrates a latch-enable pulse. Initially, the latch-enable input (LE, LE_) is differentially high, which places the comparator in latch mode. When the input signal (IN_+, IN_-) switches from low to high, the output (Q_, Q_) remains latched to the previous low state. When the latch-enable input goes differentially low, starting the compare function, the output responds to the input and transitions to high after a time (tLPD). The leading edges of the subsequent input signal switch the comparator after time interval tPD+ or tPD- (depend- ing on the direction of the input transitions) until a high latch-enable pulse places the device in latch mode again. The input signal must occur at minimum time (tLS) before the latch rising edge, and must maintain its state for at least tLH after the rising edge. A minimum latch-pulse width (tLPW) of 250ps (typ) is needed for proper latch operation. ECL/PCL The MAX9600/MAX9601/MAX9602 outputs are emitter followers that require external resistive connections to a voltage source (VT) more negative than the lowest VOL for proper static and dynamic operation. When properly terminated, the outputs provide appropriate levels, VOL or VOH, for ECL (MAX9600) or PECL (MAX9601/ MAX9602). Output-current polarity always sinks into the termination scheme during proper operation. ECL-output signal levels are referenced to GND, and PECL-output signals are referenced to VCCO_. Chip Information MAX9600 TRANSISTOR COUNT: 558 MAX9601 TRANSISTOR COUNT: 600 MAX9602 TRANSISTOR COUNT: 608 PROCESS: Bipolar 20 19 18 17 16 15 14 13 1 2 3 4 5 6 7 8 QB QB VCCOB LEB LEA VCCOA QA QA LEB VEE VCC HYSB HYSA VCC VEE LEA 12 11 9 10 INB- INB+ INA+ INA- MAX9601 TSSOP-20 24 23 22 21 20 19 18 17 1 2 3 4 5 6 7 8 VCCOA QA QA VCCOB INB+ VEE INA- INA+ QB QB VCCOC QC INC- INC+ VCC INB- 16 15 14 13 9 10 11 12 QC VCCOD QD QD VCC IND- IND+ VEE TSSOP-24 MAX9602 20 19 18 17 16 15 14 13 1 2 3 4 5 6 7 8 QB QB GND LEB LEA GND QA QA TOP VIEW LEB VEE VCC HYSB HYSA VCC VEE LEA 12 11 9 10 INB- INB+ INA+ INA- MAX9600 TSSOP-20 Pin Configurations |
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