DS276S/T&R Maxim Integrated, DS276S/T&R Datasheet - Page 4
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DS276S/T&R
Manufacturer Part Number
DS276S/T&R
Description
RS-232 Interface IC
Manufacturer
Maxim Integrated
Series
DS276r
Datasheet
1.DS276STRC03.pdf
(11 pages)
Specifications of DS276S/T&R
Data Rate
20 Kbps
Mounting Style
SMD/SMT
Package / Case
SOIC-8 Narrow
Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
0 C
Number Of Receivers
1
Part # Aliases
90-0276S-TRL
two similar devices over short distances, and into larger loads than the 3 k =RS-232 standard (Figure 2).
If V
devices is possible, although of course the output voltage swing of the DS276 remains below the RS-232
specification. The V
5V OPERATION
The use of a single 5V supply for V
produce reliable communication with standard RS-232 devices, although the DS276 output voltage
swings are below the RS-232 minimum (Figure 3).
Increasing the magnitude of the voltage to V
voltage levels.
SINGLE 3V OPERATION Figure 2
SINGLE 5V OPERATION Figure 3
(not true RS-232)
"STEALING" NEGATIVE SUPPLY Figure 4
drv+
(See Note 3)
(See Note 1 and 3)
(See Note 2)
is increased to 5V, and V
drv-
supply can be derived using the “stealing” technique shown in Figure 4.
drv-
decreased (to less than -2V) communication with standard RS-232
CC
and V
drv+
drv+
4 of 11
to 10 volts or more will result in “true” RS-232 output
, and V
drv-
derived using the circuit in Figure 4 can
DS276