ST3485ECDR STMicroelectronics, ST3485ECDR Datasheet - Page 7

• Manufacturer Part Number: ST3485ECDR
• Description: TXRX RS485/422 3.3V ESD 8-SOIC
• Manufacturer: STMicroelectronics
• Type: Transceiverr

Specifications of ST3485ECDR

• Number Of Drivers/receivers: 1/1
• Protocol: RS422, RS485
• Voltage - Supply: 3 V ~ 3.6 V
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 3 V
• Maximum Operating Temperature: 85 C
• Mounting Style: SMD/SMT
• Data Rate: 15 Mbps
• Interface: RS-422 or RS-485
• Minimum Operating Temperature: - 40 C
• Supply Current: 2.2 mA
• Device Type: Transceiver
• Interface Type: RS422, RS485
• No. Of Drivers: 1
• Supply Voltage Range: 3V To 3.6V
• Driver Case Style: SOIC
• No. Of Pins: 8
• Operating Temperature Range: 0°C To +70°C
• Svhc: No
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-6540-2; ST3485ECDR

Table 10.
Table 11.
Symbol
t
t
Symbol
ZH(SHDN)
ZL(SHDN)
ΔV
R
I
I
t
V
V
V
OSR
SKEW
OZR
t
t
t
t
t
t
t
t
t
PDS
PZH
PHZ
RIN
D
PLH
PHL
OH
PZL
PLZ
TH
OL
DD
TD
TH
R
Receiver differential
threshold voltage
Receiver input hysteresis
Receiver output high
voltage
Receiver output low
voltage
3-State (high impedance)
output current at receiver
Receiver input resistance
Receiver short-circuit
current
Maximum data rate
Differential output delay
Differential output
transition time
Propagation delay
|t
delay skew
Output enable time
Output enable time
Output disable time
Output disable time
Differential output delay
skew
Driver enable from
shutdown to output high
Driver enable from
shutdown to output low
Receiver electrical characteristics
V
to T
Driver switching characteristics
V
to T
PLH -
CC
CC
A
A
= 3 V to 3.6 V, T
= 3 V to 3.6 V, T
Parameter
t
= 25°C)
= 25 °C)
PHL
Parameter
| Propagation
(Note
2)
A
A
= -40 to 85 °C, unless otherwise specified. Typical values are referred
= -40 to 85 °C, unless otherwise specified. Typical values are referred
V
V
I
(Figure 8
I
V
V
V
OUT
OUT
R
Figure
R
Figure
R
Figure
R
Figure
R
R
R
R
CM
CM
CC
CM
RO
L
L
L
L
L
L
L
L
= 60Ω , C
= 60Ω , C
= 27Ω , C
= 27Ω , C
= 110Ω ,
= 110Ω ,
= 110Ω ,
= 110Ω,
= 3.6V, V
= 0V to V
= -7V to 12V, DE = 0
= 0V
= -7V to 12V
= -4mA, V
= 4mA, V
5)
5)
9)
9)
and
Test conditions
(Figure 10
(Figure 6
(Figure 6
L
L
L
L
Test conditions
(Figure 10
O
= 15pF,
= 15pF,
= 15pF,
= 15pF,
Figure
CC
ID
ID
= 0V to V
= -200mV,
= 200mV
9)
and
and
(Figure 4
(Figure 4
(Figure 8
(Figure 8
and
and
CC
Figure
Figure
Figure
(Figure
Figure
and
and
and
and
7)
7)
11)
11)
3)
Min.
-0.2
24
Min.
2
7
12
Typ.
Typ.
70
15
18
12
18
19
30
19
30
30
19
2
1
Max.
Max.
0.2
0.4
± 1
60
30
20
30
35
50
35
50
50
35
5
3
Mbps
Unit
Unit
mA
µA
kΩ
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
V
V
V
V
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