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LS8297 Datasheet(PDF) 3 Page - LSI Computer Systems |
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LS8297 Datasheet(HTML) 3 Page - LSI Computer Systems |
3 / 8 page ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit VS Supply Voltage 10 V Vi Input Signals 7 V TSTG, TJ Storage and Junction Temperatures -40 to +150 °C ELECTRICAL CHARACTERISTICS: (Refer to Block Diagram, Figure 2, and Timing Diagram, Figure 3) TA = +25°C, VDD = +5V unless otherwise specified. Parameter Symbol Minimum Typical Maximum Unit Condition ( Pin 12) Supply Voltage VDD 4.75 - 7 V - Quiscent Supply Current IDD - 300 400 uA Outputs floating ( Pins 11, 17, 18, 19, 20) Input Voltage Low VIL 0 - 0.75 V - Input Voltage High VIH 2 - VDD V - Input Current II - - 50 nA VI = VIL Input Current II - - 50 nA VI = VIH ( Pin 10) Enable Input Voltage Low VENL 0 - 1.3 V - Enable Input Voltage High VENH 2 - VDD V - Enable Input Current IEN - - 50 nA VEN = VENL Enable Input Current IEN - - 50 nA VEN = VENH ( Pins 4, 6, 7, 9) Phase Output Voltage Low VOL - - 0.5 V IO = -10mA Phase Output Voltage High VOH 4.0 - - V IO = 5mA ( Pins 5, 8) Inhibit Output Voltage Low VInhL - - 0.5 V IO = -10mA Inhibit Output Voltage High VInhH 4.0 - - V IO = 5mA ( Pin 3) Leakage Current ILeak - - 1 uA VO = VDO = 7V Saturation Voltage VSat - - 0.4 V I = 5mA ( Pins 13, 14, 15) Comparators Offset Voltage VOff - 5 - mV VREF = 1V Comparator Bias Current IO 100 - 10 uA - ( Pin 15) Input Reference Voltage VREF 0 - 3 V - Input Current IREF - - 8 uA VREF = 3V Clock Time Step tstp 0.5 - - us - Pulse Width Set up time tS 1 - - us - Hold time tH 4 - - us - Reset time tR 1 - - us - Reset to Step delay tRStp 1 - - us - ( Pin 16) Oscillator: Sawtooth Low VSOL - 2.1 - V - Sawtooth High VSOH - 3.65 - V - Frequency fOSC - 30 - kHz R = 22kΩ, C = 3.3nF 8297-040109-3 |
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Similar Description - LS8297 |
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