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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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MAX489 датащи(PDF) 3 Page - Tiger Electronic Co.,Ltd |
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MAX489 датащи(HTML) 3 Page - Tiger Electronic Co.,Ltd |
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3 / 18 page  DC ELECTRICAL CHARACTERISTICS (continued) (VCC = 5V ±5%, TA = TMIN to TMAX, unless otherwise noted.) (Notes 1, 2) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS No-Load Supply Current (Note 3) ICC MAX488/MAX489, DE, DI, RE = 0V or VCC 120 250 µA MAX490/MAX491, DE, DI, RE = 0V or VCC 300 500 MAX481/MAX485, RE = 0V or VCC DE = VCC 500 900 DE = 0V 300 500 MAX1487, RE = 0V or VCC DE = VCC 300 500 DE = 0V 230 400 MAX483/MAX487, RE = 0V or VCC DE = 5V MAX483 350 650 MAX487 250 400 DE = 0V 120 250 Supply Current in Shutdown ISHDN MAX481/483/487, DE = 0V, RE = VCC 0.1 10 µA Driver Short-Circuit Current, VO = High IOSD1 -7V ≤ VO ≤12V (Note 4) 35 250 mA Driver Short-Circuit Current, VO = Low IOSD2 -7V ≤ VO ≤12V (Note 4) 35 250 mA Receiver Short-Circuit Current IOSR 0V ≤ VO ≤ VCC 7 95 mA SWITCHING CHARACTERISTICS—MAX481/MAX485, MAX490/MAX491, MAX1487 (VCC = 5V ±5%, TA = TMIN to TMAX, unless otherwise noted.) (Notes 1, 2) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Driver Input to Output tPLH Figures 6 and 8, RDIFF = 54Ω, CL1 = CL2 = 100pF 10 30 60 ns tPHL 10 30 60 Driver Output Skew to Output tSKEW Figures 6 and 8, RDIFF = 54Ω, CL1 = CL2 = 100pF 5 10 ns Driver Rise or Fall Time tR, tF Figures 6 and 8, RDIFF = 54Ω, CL1 = CL2 = 100pF MAX481, MAX485, MAX1487 3 15 40 ns MAX490C/E, MAX491C/E 5 15 25 MAX490M, MAX491M 3 15 40 Driver Enable to Output High tZH Figures 7 and 9, CL = 100pF, S2 closed 40 70 ns Driver Enable to Output Low tZL Figures 7 and 9, CL = 100pF, S1 closed 40 70 ns Driver Disable Time from Low tLZ Figures 7 and 9, CL = 15pF, S1 closed 40 70 ns Driver Disable Time from High tHZ Figures 7 and 9, CL = 15pF, S2 closed 40 70 ns Receiver Input to Output tPLH, tPHL Figures 6 and 10, RDIFF = 54Ω, CL1 = CL2 = 100pF MAX481, MAX485, MAX1487 20 90 200 ns MAX490C/E, MAX491C/E 20 90 150 MAX490M, MAX491M 20 90 200 | tPLH - tPHL | Differential Receiver Skew tSKD Figures 6 and 10, RDIFF = 54Ω, CL1 = CL2 = 100pF 13 ns Receiver Enable to Output Low tZL Figures 5 and 11, CRL = 15pF, S1 closed 20 50 ns Receiver Enable to Output High tZH Figures 5 and 11, CRL = 15pF, S2 closed 20 50 ns Receiver Disable Time from Low tLZ Figures 5 and 11, CRL = 15pF, S1 closed 20 50 ns Receiver Disable Time from High tHZ Figures 5 and 11, CRL = 15pF, S2 closed 20 50 ns Maximum Data Rate fMAX 2.5 Mbps Time to Shutdown tSHDN MAX481 (Note 5) 50 200 600 ns |
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