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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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HCS500T-I/P датащи(PDF) 22 Page - Microchip Technology |
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HCS500T-I/P датащи(HTML) 22 Page - Microchip Technology |
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22 / 34 page  HCS500 DS40153C-page 22 © 2002 Microchip Technology Inc. 8.1 AC Electrical Characteristics 8.1.1 COMMAND MODE ACTIVATION 8.1.2 READ FROM USER EEPROM COMMAND 8.1.3 WRITE TO USER EEPROM COMMAND Standard Operating Conditions (unless otherwise specified): Commercial (C): 0°C ≤ TA ≤ +70°C Industrial (I): -40°C ≤ TA ≤ +85°C Symbol Parameters Min Typ Max Units TREQ Command request time 0.0150 — 500 ms TRESP Microcontroller request acknowledge time —— 1 ms TACK Decoder acknowledge time —— 30 µs TSTART Start Command mode to first command bit 20 — 1000 µs TCLKH Clock high time 20 — 1000 µs TCLKL Clock low time 20 — 1000 µs FCLK Clock frequency 500 — 25000 Hz TDS Data hold time 14 — — µs TCMD Command validate time —— 10 µs TADDR Address validate time —— 10 µs TDATA Data validate time —— 10 µs * These parameters are characterized but not tested. Standard Operating Conditions (unless otherwise specified): Commercial (C): 0°C ≤ TA ≤ +70°C Industrial (I): -40°C ð TA ≤ +85°C Symbol Parameters Min Typ Max Units TRD Decoder EEPROM read time 400 —1500 µs * These parameters are characterized but not tested. Standard Operating Conditions (unless otherwise specified): Commercial (C): 0°C ≤ TA ≤ +70°C Industrial (I): -40°C ≤ TA ≤ +85°C Symbol Parameters Min Typ Max Units TWR Write command activation time 20 — 1000 µs TACK EEPROM write acknowledge time — — 10 ms TRESP Microcontroller acknowledge response time 20 — 1000 µs TACK2 Decoder response acknowledge time —— 10 µs * These parameters are characterized but not tested. |
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