ADM485
Rev. F | Page 4 of 16
TIMING SPECIFICATIONS
VCC = 5 V ± 5%, all specifications TMIN to TMAX, unless otherwise noted.
Table 2.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
DRIVER
Propagation Delay Input to Output, tPLH, tPHL
2
10
15
ns
RLDIFF = 54 Ω, CL1 = CL2 = 100 pF, see Figure 22 Driver Output to OUTPUT, tSKEW
1
5
ns
RLDIFF = 54 Ω, CL1 = CL2 = 100 pF, see Figure 22 Driver Rise/Fall Time, tR, tF
8
15
ns
RLDIFF = 54 Ω, CL1 = CL2 = 100 pF, see Figure 22 Driver Enable to Output Valid
10
25
ns
Driver Disable Timing
10
25
ns
Matched Enable Switching |tZH tZL|
0
2
ns
Matched Disable Switching |tHZ tLZ|
0
2
ns
RECEIVER
Propagation Delay Input to Output, tPLH, tPHL
8
15
30
ns
Skew |tPLH tPHL|
5
ns
Receiver Enable, tZH, tZL
5
20
ns
Receiver Disable, tHZ, tLZ
5
20
ns
Tx Pulse Width Distortion
1
ns
Rx Pulse Width Distortion
1
ns
1 Guaranteed by characterization.