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LS8397 数据表(PDF) 4 Page - LSI Computer Systems |
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LS8397 数据表(HTML) 4 Page - LSI Computer Systems |
4 / 8 page FIGURE 3. Input Timing Diagram 8397-040709-4 tSTP tS tH tR tRSTP STEP FWD/REV HALF/FULL RESET FIGURE 2. LS8397 BLOCK DIAGRAM OUTPUT LOGIC TRANSLATOR + - 20 18 SENSE1 17 SENSE2 VREFh OSC 21 24 23 16 4 9 5 6 7 8 PHA INH1 PHB PHC PHD INH2 VDD HALF/FULL FWD/REV OSC S Q R FF1 R S Q FF2 1 10 3 HOME + - SYNC CONTROL 15 ENABLE MUX x0.707 22 STEP Q R S x0.707 VREFs 19 14 11 VDD CT_EN 13 RESET RC 2 VSS +V Parameter Symbol Minimum Typical Maximum Unit Condition Oscillator Frequency fOSC - 30 - kHz R = 22kΩ, C = 3.3nF SYNC (Pin1) Sync Output Voltage Low VSyncL - - 0.8 V IO = -5mA Sync Output Voltage High VSyncH 3.0 - - V IO = 5mA Sync Input Pulse Width TSPW - 3.3 - V R = 22kΩ, C = 3.3nF Sync Input Switching Point TSSP - 2.0 - us Pin 16 < 1.0V Sync Input Pulse Width IIS - -425 - uA Pin 16 < 1.0V, VIN = VDD |
类似零件编号 - LS8397 |
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类似说明 - LS8397 |
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