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MAX3440EASA+ Datasheet(PDF) 4 Page - Maxim Integrated Products |
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MAX3440EASA+ Datasheet(HTML) 4 Page - Maxim Integrated Products |
4 / 19 page (VCC = +4.75V to +5.25V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = +5V and TA = +25°C.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Driver Propagation Delay tPLHA, tPLHB MAX3440E/MAX3442E, Figure 3, RL = 54Ω, CL = 50pF 2000 ns MAX3444E, RDIFF = 60Ω, CDIFF = 100pF Driver Differential Propagation Delay tDPLH, tDPHL Figure 4, RL = 54Ω, CL = 50pF 2000 ns Driver Differential Output Transition Time tLH,tHL Figure 4, RL = 54Ω, CL = 50pF 200 2000 ns Driver Output Skew tSKEWAB, tSKEWBA RL = 54Ω, CL = 50pF, tSKEWAB = |tPLHA - tPHLB|, tSKEWBA = |tPLHB - tPHLA| 350 ns Differential Driver Output Skew tDSKEW RL = 54Ω, CL = 50pF, tDSKEW = |tDPLH - tDPHL| 200 ns Maximum Data Rate fMAX 250 kbps Driver Enable Time to Output High tPDZH Figure 5, RL = 500Ω, CL = 50pF 2000 ns Driver Disable Time from Output High tPDHZ Figure 5, RL = 500Ω, CL = 50pF 2000 ns Driver Enable Time from Shutdown to Output High tPDHS Figure 5, RL = 500Ω, CL = 50pF (MAX3442E/MAX3444E) 4.2 µs Driver Enable Time to Output Low tPDZL Figure 6, RL = 500Ω, CL = 50pF 2000 ns Driver Disable Time from Output Low tPDLZ Figure 6, RL = 500Ω, CL = 50pF 2000 ns Driver Enable Time from Shutdown to Output Low tPDLS Figure 6, RL = 500Ω, CL = 50pF (MAX3442E/MAX3444E) 4.2 µs Driver Time to Shutdown tSHDN RL = 500Ω, CL = 50pF (MAX3442E/MAX3444E) 800 ns Receiver Propagation Delay tRPLH, tRPHL Figure 7, CL = 20pF, VID = 2V, VCM = 0V 2000 ns Receiver Output Skew tRSKEW CL = 20pF, tRSKEW = |tRPLH - tRPHL| 200 ns Receiver Enable Time to Output High tRPZH Figure 8, RL = 1kΩ, CL = 20pF 2000 ns Receiver Disable Time from Output High tRPHZ Figure 8, RL = 1kΩ, CL = 20pF 2000 ns Receiver Wake Time from Shutdown tRPWAKE Figure 8, RL = 1Ω, CL = 20pF (MAX3442E/MAX3444E) 4.2 µs Receiver Enable Time to Output Low tRPZL Figure 8, RL = 1kΩ, CL = 20pF 2000 ns Receiver Disable Time from Output Low tRPLZ Figure 8, RL = 1Ω, CL = 20pF 2000 ns Receiver Time to Shutdown tSHDN RL = 50Ω, CL= 50pF (MAX3442E/MAX3444E) 800 ns www.maximintegrated.com Maxim Integrated │ 4 MAX3440E–MAX3444E ±15kV ESD-Protected, ±60V Fault-Protected, 10Mbps, Fail-Safe RS-485/J1708 Transceivers Switching Characteristics (MAX3440E/MAX3442E/MAX3444E) |
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