Datasheet

ADM488A/ADM489A
Rev. A | Page 4 of 16
TIMING SPECIFICATIONS
V
CC
= 5 V ± 10%. All specifications T
MIN
to T
MAX
, unless otherwise noted.
Table 2.
Parameter Symbol Min Typ Max Unit Test Conditions/Comments
DRIVER
Propagation Delay Input to Output t
PLH
, t
PHL
250 2000 ns R
L
differential = 54 Ω, C
L1
= C
L2
= 100 pF, see
Figure 15, Figure 16
Driver Output Skew t
SKEW
100 800 ns R
L
differential = 54 Ω, C
L1
= C
L2
= 100 pF, see
Figure 15
Driver Rise/Fall Time t
DR
, t
DF
250 2000 ns R
L
differential = 54 Ω, C
L1
= C
L2
= 100 pF, see
Figure 15, Figure 16
Driver Enable to Output Valid t
ZL
, t
ZH
250 2000 ns R
L
= 500 Ω, C
L
= 100 pF, see Figure 12, Figure 18
Driver Disable Timing t
LZ
, t
HZ
300 3000 ns R
L
= 500 Ω, C
L
= 15 pF, see Figure 12, Figure 18
Maximum Data Rate 250 kbps
RECEIVER
Propagation Delay Input to Output t
PLH
, t
PHL
250 2000 ns C
L
= 15 pF, see Figure 15, Figure 17
Skew |t
PLH
− t
PHL
| 100 ns
Receiver Enable t
EN1
10 50 ns R
L
= 1 kΩ, C
L
= 15 pF, see Figure 14, Figure 19
Receiver Disable t
EN2
10 50 ns R
L
= 1 kΩ, C
L
= 15 pF, see Figure 14, Figure 19
Maximum Data Rate 250 kbps