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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LM628 датащи(PDF) 3 Page - Texas Instruments |
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LM628 датащи(HTML) 3 Page - Texas Instruments |
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3 / 35 page  LM628, LM629 www.ti.com SNVS781C – JUNE 1999 – REVISED MARCH 2013 DC Electrical Characteristics (VDD and TA per Operating Ratings; fCLK = 6 MHz) Tested Limits Symbol Parameter Conditions Units Min Max IDD Supply Current Outputs Open 110 mA INPUT VOLTAGES VIH Logic 1 Input Voltage 2.0 V VIL Logic 0 Input Voltage 0.8 V IIN Input Currents 0 ≤ VIN ≤ VDD −10 10 μA OUTPUT VOLTAGES VOH Logic 1 IOH = −1.6 mA 2.4 V VOL Logic 0 IOL = 1.6 mA 0.4 V IOUT TRI-STATE Output Leakage Current 0 ≤ VOUT ≤ VDD −10 10 μA AC Electrical Characteristics (VDD and TA per Operating Ratings; fCLK = 6 MHz; CLOAD = 50 pF; Input Test Signal tr = tf = 10 ns) Tested Limits Timing Interval T# Units Min Max ENCODER AND INDEX TIMING (See Figure 3) Motor-Phase Pulse Width T1 μs T2 Dwell-Time per State μs Index Pulse Setup and Hold T3 0 μs (Relative to A and B Low) CLOCK AND RESET TIMING (See Figure 4) LM628N-6, LM629N-6, T4 78 ns LM629M-6 Clock Pulse Width LM628N-8, LM629N-8, T4 57 ns LM629M-8 LM628N-6, LM629N-6, T5 166 ns LM629M-6 Clock Period LM628N-8, LM629N-8, T5 125 ns LM629M-8 T6 Reset Pulse Width μs STATUS BYTE READ TIMING (See Figure 5) Chip-Select Setup/Hold Time T7 0 ns Port-Select Setup Time T8 30 ns Port-Select Hold Time T9 30 ns Read Data Access Time T10 180 ns Read Data Hold Time T11 0 ns RD High to Hi-Z Time T12 180 ns Copyright © 1999–2013, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: LM628 LM629 |
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