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MAX3443ECSA Datasheet(PDF) 4 Page - Maxim Integrated Products |
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MAX3443ECSA Datasheet(HTML) 4 Page - Maxim Integrated Products |
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4 / 20 page  ±15kV ESD-Protected, ±60V Fault-Protected, 10Mbps, Fail-Safe RS-485/J1708 Transceivers 4 _______________________________________________________________________________________ PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS MAX3440E/MAX3442E, Figure 3, RL = 54 Ω, CL = 50pF Driver Propagation Delay tPLHA, tPLHB MAX3444E, RDIFF = 60 Ω, CDIFF = 100pF 2000 ns Driver Differential Propagation Delay tDPLH, tDPHL Figure 4, RL = 54 Ω, CL = 50pF 2000 ns Driver Differential Output Transition Time tLH,tHL Figure 4, RL = 54 Ω, CL = 50pF 200 2000 ns Driver Output Skew tSKEWAB, tSKEWBA RL = 54 Ω, CL = 50pF, tSKEWAB = |tPLHA - tPHLB|, tSKEWBA = |tPLHB - tPHLA| 350 ns Differential Driver Output Skew tDSKEW RL = 54 Ω, CL = 50pF, tDSKEW = |tDPLH - tDPHL| 200 ns Maximum Data Rate fMAX 250 kbps Driver Enable Time to Output High tPDZH Figure 5, RL = 500 Ω, CL = 50pF 2000 ns Driver Disable Time from Output High tPDHZ Figure 5, RL = 500 Ω, CL = 50pF 2000 ns Driver Enable Time from Shutdown to Output High tPDHS Figure 5, RL = 500 Ω, CL = 50pF (MAX3442E/MAX3444E) 4.2 µs Driver Enable Time to Output Low tPDZL Figure 6, RL = 500 Ω, CL = 50pF 2000 ns Driver Disable Time from Output Low tPDLZ Figure 6, RL = 500 Ω, CL = 50pF 2000 ns Driver Enable Time from Shutdown to Output Low tPDLS Figure 6, RL = 500 Ω, CL = 50pF (MAX3442E/MAX3444E) 4.2 µs Driver Time to Shutdown tSHDN RL = 500 Ω, CL = 50pF (MAX3442E/MAX3444E) 800 ns Receiver Propagation Delay tRPLH, tRPHL Figure 7, CL = 20pF, VID = 2V, VCM = 0 2000 ns Receiver Output Skew tRSKEW CL = 20pF, tRSKEW = |tRPLH - tRPHL| 200 ns Receiver Enable Time to Output High tRPZH Figure 8, RL = 1k Ω, CL = 20pF 2000 ns Receiver Disable Time from Output HightRPHZ Figure 8, RL = 1k Ω, CL = 20pF 2000 ns Receiver Wake Time from Shutdown tRPWAKE Figure 8, RL = 1k Ω, CL = 20pF (MAX3442E/MAX3444E) 4.2 µs Receiver Enable Time to Output Low tRPZL Figure 8, RL = 1k Ω, CL = 20pF 2000 ns Receiver Disable Time from Output Low tRPLZ Figure 8, RL = 1k Ω, CL = 20pF 2000 ns Receiver Time to Shutdown tSHDN RL = 500 Ω, CL= 50pF (MAX3442E/MAX3444E) 800 ns SWITCHING CHARACTERISTICS (MAX3440E/MAX3442E/MAX3444E) (VCC = +4.75V to +5.25V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = +5V and TA = +25°C.) |
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