st485erb STMicroelectronics, st485erb Datasheet - Page 4
st485erb
Manufacturer Part Number
st485erb
Description
Ic Txrx Lopwr Rs485/422 8 Dip
Manufacturer
STMicroelectronics
Datasheet
1.ST485ERB.pdf
(19 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ST485ERB
Manufacturer:
PHILIPS
Quantity:
139
Company:
Part Number:
st485erbD
Manufacturer:
SIPEX
Quantity:
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Part Number:
st485erbDR
Manufacturer:
ST
Quantity:
20 000
2
Note:
Note:
4/19
Truth tables
Table 3.
X = Don’t care; Z = High impedance
Table 4.
X = Don’t care; Z = High impedance
RE
RE
X
X
X
H
L
L
L
Truth table (driver)
Truth table (receiver)
Inputs
Inputs
DE
DE
H
H
L
L
L
L
L
Inputs open
≥
≤
+0.2V
A-B
-0.2V
DI
H
X
L
X
B
H
L
Z
Outputs
Outputs
RO
H
H
Z
L
A
H
Z
L