ADM488/ADM489

Rev. D | Page 4 of 16

TIMING SPECIFICATIONS

VCC = 5 V ± 10%. 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

250

2000

ns

RL Differential = 54 Ω, CL1 = CL2 = 100 pF,

see Figure 10

Driver O/P to OP, TSKEW

100

800

ns

RL Differential = 54 Ω, CL1 = CL2 = 100 pF,

see Figure 10

Driver Rise/Fall Time, TR, TF

250

2000

ns

RL Differential = 54 Ω, CL1 = CL2 = 100 pF,

see Figure 10

Driver Enable to Output Valid

250

2000

ns

RL = 500 Ω, CL = 100 pF, see Figure 7

Driver Disable Timing

300

3000

ns

RL = 500 Ω, CL = 15 pF, see Figure 7

Data Rate

250

kbps

RECEIVER

Propagation Delay Input to Output, TPLH, TPHL

250

2000

ns

CL = 15 pF, see Figure 10

Skew |TPLH − TPHL|

100

ns

Receiver Enable, TEN1

10

50

ns

RL = 1 kΩ, CL = 15 pF, see Figure 9

Receiver Disable, TEN2

10

50

ns

RL = 1 kΩ, CL = 15 pF, see Figure 9

Data Rate

250

kbps