Interface Characteristics; Table B-5. Eia-530 Interface Transmitter Characteristics - Motorola MVME2600 series Installation And Use Manual

Serial Interconnections

Interface Characteristics

B

Table B-5. EIA-530 Interface Transmitter Characteristics

Differential output voltage (absolute, with 100Ω
load)
Open circuit differential voltage output
(absolute)
Output offset voltage (with 100Ω load)
Short circuit output current (for any voltage
between −7V and +7V)
Power off output current (for any voltage between
−7V and +7V)
Output transition time (with 100Ω, 15pF load)
B-8
In specifying parameters for serial binary data interchange between DTE
and DCE devices, the EIA-530 standard assumes the use of balanced lines,
except for the Remote Loopback, Local Loopback, and Test Mode lines,
which are single-ended. Balanced-line data interchange is generally
employed in preference to unbalanced-line data interchange where any of
the following conditions prevail:
The interconnection cable is too long for effective unbalanced
operation.
The interconnection cable is exposed to extraneous noise sources
that may cause an unwanted voltage in excess of ±1V measured
differentially between the signal conductor and circuit ground at the
load end of the cable, with a 50Ω resistor substituted for the
transmitter.
It is necessary to minimize interference with other signals.
Inversion of signals may be required (for example, plus polarity
MARK to minus polarity MARK may be achieved by inverting the
cable pair).
EIA-530 interface transmitter and receiver parameters applicable to the
MVME2603/2604 are listed in
Parameter
Table B-5 and Table B-6.
Value
Minimum Maximum
2.0
6.0
2.0
±180
±100
15
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Unit
V
V
V
mA
µA
ns