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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ACT7005 датащи(PDF) 23 Page - Aeroflex Circuit Technology |
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ACT7005 датащи(HTML) 23 Page - Aeroflex Circuit Technology |
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23 / 29 page  Aeroflex Circuit Technology SCD7005 REV B 8/2/01 Plainview NY (516) 694-6700 23 Symbol Parameter Min Typ Max Units Notes tWPW Write Pulse Width 50 nsec 1, 2 tRPW Read Pulse Width 50 nsec 3 tAS Address Set Up Time 15 nsec tAH Address Hold Time 15 nsec tDS Write Data Set Up Time 15 nsec tDH Write Data Hold Time 0 nsec 2 tDA Read Data Access Time 50 nsec tIPW Interrupt Pulse Width 140 160 180 nsec 4 tREC Recovery Time 100 nsec Conditions: (-55°C < TA < +125°C) VCC = +5.0V ± 10% Notes: 1. Write pulse width tWPW is the time when both DS and WT are simultaneously low. Either DS or WT may go low or return high first. 2. Write hold time: tDH = 0 for tWPW > 450nsec tDH = 10nsec for 50nsec < tWPW < 450nsec 3. Read pulse time tRPW is the time where both DS and RD are simultaneously low. Either DS or RD may go low or return high first. 4. Refer to “Discrete Interrupt” text for further information. Table 12 – AC Electrical Characteristics |
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