ST485ECDR STMicroelectronics, ST485ECDR Datasheet - Page 7

• Manufacturer Part Number: ST485ECDR
• Description: IC TXRX 5V RS485/422 ESD 8-SOIC
• Manufacturer: STMicroelectronics
• Type: Transceiverr

Specifications of ST485ECDR

• Number Of Drivers/receivers: 1/1
• Protocol: RS422, RS485
• Voltage - Supply: 4.75 V ~ 5.25 V
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Device Type: Transceiver
• Interface Type: RS422, RS485
• No. Of Drivers: 1
• Supply Voltage Range: 4.75V To 5.25V
• Driver Case Style: SOIC
• No. Of Pins: 8
• Operating Temperature Range: 0°C To +70°C
• Svhc: No
• Rohs Compliant: Yes
• Supply Voltage (max): 5.25 V
• Supply Voltage (min): 4.75 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Data Rate: 5 Mbps
• Interface: RS-422. RS-485
• Minimum Operating Temperature: 0 C
• Supply Current: 500 mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-3735-2

Table 7.
1. All currents into device pins are positive; all out of device pins are negative; all voltages are referenced to device ground
2. Supply current specification is valid for loaded transmitters when V
3. Applies to peak current. See typical Operating Characteristics.
Table 8.
1. All currents into device pins are positive; all out of device pins are negative; all voltages are referenced to device ground
Symbol
Symbol
I
I
I
OSD1
OSD2
unless specified.
unless specified.
OSR
t
t
t
t
t
t
t
t
PLH
t
TLH
THL
PZH
PHZ
PZL
PLZ
PHL
SK
Driver short-circuit current,
V
Driver short-circuit current,
V
Receiver short-circuit current V
Propagation delay input to
output
Output skew to output
Rise or fall time
Output enable time
Output enable time
Output disable time
Output disable time
O
O
DC electrical characteristics (continued)
V
to T
Driver switching characteristics
=High
=Low
CC
A
= 5 V ± 5 %, T
= 25 °C
Parameter
Parameter
A
= T
MIN
R
(See
R
(See
R
(See
C
(See
C
(See
C
(See
C
(See
V
V
DIFF
DIFF
DIFF
L
L
L
L
O
O
O
= 100 pF, S2 = Closed
= 100 pF, S1 = Closed
= 15 pF, S1 = Closed
= 15 pF, S2 = Closed
to T
= -7 to 12 V
= -7 to 12 V
= 0 V to V
Figure 4
Figure 4
Figure 4
Figure 5
Figure 5
Figure 5
Figure 5
= 54 Ω, C
= 54 Ω, C
= 54 Ω, C
MAX
Test conditions
Test conditions
, unless otherwise specified. Typical values are referred
and
and
and
and
and
and
and
CC
L1
L1
L1
(3)
(3)
= C
= C
= C
Figure
Figure
Figure
Figure
Figure
Figure
Figure
DE
L2
L2
L2
= 0 V
= 100 pF
= 100 pF
= 100 pF
6)
6)
6)
7)
7)
7)
7)
(1)
(1)
Min.
35
35
7
Min.
Typ.
Typ.
25
15
35
25
25
35
2
Max.
250
250
Max.
95
45
40
50
40
40
50
5
Unit
Unit
mA
mA
mA
ns
ns
ns
ns
ns
ns
ns
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