ST485BN STMicroelectronics, ST485BN Datasheet - Page 8

• Manufacturer Part Number: ST485BN
• Description: TXRX RS485/422 LOW POWER 8-DIP
• Manufacturer: STMicroelectronics
• Type: Transceiverr

Specifications of ST485BN

• Number Of Drivers/receivers: 1/1
• Protocol: RS422, RS485
• Voltage - Supply: 4.75 V ~ 5.25 V
• Mounting Type: Through Hole
• Package / Case: 8-DIP (0.300", 7.62mm)
• Maximum Operating Temperature: 85 C
• Mounting Style: Through Hole
• Data Rate: 2.5 Mbps
• Interface: RS-422 or RS-485
• Minimum Operating Temperature: - 40 C
• Supply Current: +/- 2 mA
• Interface Circuit Standard 1: RS-422/RS-485
• Number Of Receivers: 1
• Number Of Transmitters: 1
• Number Of Transceivers: 1
• Data Transmission Topology: Multidrop/Multipoint
• Receiver Signal Type: Differential
• Transmitter Signal Type: Differential
• Single Supply Voltage (typ): 5V
• Single Supply Voltage (min): 4.75V
• Single Supply Voltage (max): 5.25V
• Dual Supply Voltage (typ): Not RequiredV
• Dual Supply Voltage (min): Not RequiredV
• Dual Supply Voltage (max): Not RequiredV
• Power Supply Requirement: Single
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Through Hole
• Pin Count: 8
• Package Type: PDIP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-6728-5; ST485BN

Table 8.
1. All currents into device pins are positive; all cuttents out of device pins are negative; all voltages are referenced to device
8/19
Symbol
f
t
t
t
t
t
t
ground unless specified
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
V
to T
Receiver switching characteristics
CC
A
Parameter
= 5 V ± 5%, T
= 25 °C
A
= T
R
(See
R
(See
C
(See Fig. 2 and
C
(See Fig. 2 and
C
(See Fig. 2 and
C
(See Fig. 2 and
DIFF
DIFF
RL
RL
RL
RL
MIN
= 15pF, S1 = Closed
= 15pF, S2 = Closed
= 15pF, S1 = Closed
= 15pF, S2 = Closed
Figure 4
Figure 4
=54Ω, C
=54Ω, C
Test conditions
to T
MAX
L1
L1
and
and
, unless otherwise specified. Typical values are referred
Figure
Figure
Figure
Figure
= C
= C
Figure
Figure
L2
L2
= 100pF
= 100pF
9)
9)
9)
9)
(1)
8)
8)
Min.
2.5
20
-40 to 85 °C
Typ.
130
13
20
20
20
20
Value
Max.
210
50
50
50
50
-55 to 125°C
Min.
2.5
Max.
230
56
56
56
56
Mbps
Unit
ns
ns
ns
ns
ns
ns