st485ec STMicroelectronics, st485ec Datasheet - Page 8

• Manufacturer Part Number: st485ec
• Description: ?15 Kv Esd Protected, Low Power Rs-485/rs-422 Transceiver
• Manufacturer: STMicroelectronics

Table 9.
1. All currents into device pins are positive; all out of device pins are negative; all voltages are referenced to device ground
8/18
Symbol
unless specified
f
t
t
t
t
t
t
t
MAX
PLH
SKD
PZH
PHZ
PZL
PLZ
PHL
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 (V
specified. Typical values are referred to T
Parameter
R
(See
R
(See
C
(See
C
(See
C
(See
C
(See
DIFF
DIFF
RL
RL
RL
RL
= 15 pF, S1 = Closed
= 15 pF, S2 = Closed
= 15 pF, S1 = Closed
= 15 pF, S2 = Closed
Figure 4
Figure 4
Figure 2
Figure 2
Figure 2
Figure 2
= 54 Ω , C
= 54 Ω , C
Test conditions
and
and
and
and
and
and
CC
L1
L1
A
= 25 °C)
= 5 V ± 5%, T
= C
= C
Figure
Figure
Figure
Figure
Figure
Figure
L2
L2
= 100 pF
= 100 pF
8)
8)
9)
9)
9)
9)
(1)
A
= T
MIN
Min.
5
to T
MAX
Typ.
110
11
13
13
11
5
, unless otherwise
Max.
130
10
35
35
35
35
Mbps
Unit
ns
ns
ns
ns
ns
ns