st485erb STMicroelectronics, st485erb Datasheet - Page 8

• Manufacturer Part Number: st485erb
• Description: Ic Txrx Lopwr Rs485/422 8 Dip
• Manufacturer: STMicroelectronics

8/19
(V
to T
Table 9.
1. All currents into device pins are positive; all cuttents out of device pins are negative; all voltages are
Symbol
CC
f
t
referenced to device ground unless specified
t
t
t
t
t
t
A
MAX
PLH
SKD
PZH
PHZ
PZL
PLZ
PHL
= 5 V ± 5 %, T
= 25 °C)
Propagation delay input
to output
Differential receiver
skew
Output enable time
Output enable time
Output disable time
Output disable time
Maximum data rate
Receiver switching characteristics
Parameter
A
= T
MIN
to T
MAX
R
(see
R
(see
C
Figure 2
C
(see
C
(see
C
(see
, unless otherwise specified. Typical values are referred
DIFF
DIFF
RL
RL
RL
RL
= 15pF, S1 = Closed (see
= 15pF, S2 = Closed
= 15pF, S1 = Closed
= 15pF, S2 = Closed
Figure 4
Figure 4
Figure 2
Figure 2
Figure 2
= 54Ω,C
= 54Ω, C
Test conditions
and
Figure
and
and
and
and
and
L1
L1
= C
= C
Figure
Figure
Figure
Figure
Figure
9)
L2
L2
= 100pF
(1)
= 100pF
8)
8)
9)
9)
9)
Min.
2.5
20
Typ.
130
13
20
20
20
20
Max.
210
50
50
50
50
Mbps
Unit
ns
ns
ns
ns
ns
ns