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MAX481EEPA Datasheet(PDF) 4 Page - Maxim Integrated Products |
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MAX481EEPA Datasheet(HTML) 4 Page - Maxim Integrated Products |
4 / 16 page ±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers 4 _______________________________________________________________________________________ SWITCHING CHARACTERISTICS—MAX483E, MAX487E/MAX488E/MAX489E (VCC = 5V ±5%, TA = TMIN to TMAX, unless otherwise noted.) (Notes 1, 2) SWITCHING CHARACTERISTICS—MAX481E/MAX485E, MAX490E/MAX491E, MAX1487E (continued) (VCC = 5V ±5%, TA = TMIN to TMAX, unless otherwise noted.) (Notes 1, 2) 225 1000 Figures 11 and 13, CL = 100pF, S2 closed Figures 11 and 13, CL = 100pF, S1 closed Figures 9 and 15, CL = 15pF, S2 closed, A - B = 2V CONDITIONS ns 45 100 tZH(SHDN) Driver Enable from Shutdown to Output High (MAX481E) ns Figures 9 and 15, CL = 15pF, S1 closed, B - A = 2V tZL(SHDN) Receiver Enable from Shutdown to Output Low (MAX481E) ns 45 100 tZL(SHDN) Driver Enable from Shutdown to Output Low (MAX481E) ns 225 1000 tZH(SHDN) Receiver Enable from Shutdown to Output High (MAX481E) UNITS MIN TYP MAX SYMBOL PARAMETER tPLH tSKEW Figures 10 and 12, RDIFF = 54Ω, CL1 = CL2 = 100pF tPHL Figures 10 and 12, RDIFF = 54Ω, CL1 = CL2 = 100pF Driver Input to Output Driver Output Skew to Output ns 20 800 ns ns 2000 MAX483E/MAX487E, Figures 11 and 13, CL = 100pF, S2 closed tZH(SHDN) Driver Enable from Shutdown to Output High 250 2000 ns 2500 MAX483E/MAX487E, Figures 9 and 15, CL = 15pF, S1 closed tZL(SHDN) Receiver Enable from Shutdown to Output Low ns 2500 MAX483E/MAX487E, Figures 9 and 15, CL = 15pF, S2 closed tZH(SHDN) Receiver Enable from Shutdown to Output High ns 2000 MAX483E/MAX487E, Figures 11 and 13, CL = 100pF, S1 closed tZL(SHDN) Driver Enable from Shutdown to Output Low ns 50 200 600 MAX483E/MAX487E (Note 5) tSHDN Time to Shutdown tPHL tPLH, tPHL < 50% of data period Figures 9 and 15, CRL = 15pF, S2 closed Figures 9 and 15, CRL = 15pF, S1 closed Figures 9 and 15, CRL = 15pF, S2 closed Figures 9 and 15, CRL = 15pF, S1 closed Figures 11 and 13, CL = 15pF, S2 closed Figures 10 and 14, RDIFF = 54Ω, CL1 = CL2 = 100pF Figures 11 and 13, CL = 15pF, S1 closed Figures 11 and 13, CL = 100pF, S1 closed Figures 11 and 13, CL = 100pF, S2 closed CONDITIONS kbps 250 fMAX 250 800 2000 Maximum Data Rate ns 25 50 tHZ Receiver Disable Time from High ns 250 800 2000 25 50 tLZ Receiver Disable Time from Low ns 25 50 tZH Receiver Enable to Output High ns 25 50 tZL Receiver Enable to Output Low ns ns 100 300 3000 tHZ tSKD Driver Disable Time from High I tPLH - tPHL I Differential Receiver Skew Figures 10 and 14, RDIFF = 54Ω, CL1 = CL2 = 100pF ns 300 3000 tLZ Driver Disable Time from Low ns 250 2000 tZL Driver Enable to Output Low ns Figures 10 and 12, RDIFF = 54Ω, CL1 = CL2 = 100pF ns 250 2000 tR, tF 250 2000 Driver Rise or Fall Time ns tPLH Receiver Input to Output 250 2000 tZH Driver Enable to Output High UNITS MIN TYP MAX SYMBOL PARAMETER |
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