TIA-694:1997 (R2012)

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Electrical Characteristics for an Unbalanced Digital Interface for Data Signaling Rates Up to 512 kbit/s

Published By	Publication Date	Number of Pages
TIA	1997	22

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Category: TIA

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Description

This Standard specifies the electrical Characteristics of the
unbalanced voltage digital interface circuit, normally implemented
in integrated circuit technology, that may be employed when
specified for the interchange of serial binary signals between Data
Terminal Equipment (DTE) and Data Circuit-Terminating Equipment
(DCE) or in any point-to-point interconnection of serial binary
signals between digital equipment.

Devices complying to this Standard are electrically compatible
with TIAíEIA-423-B, ElMIA-562 and ElMIA-232-E interfaces. This
Standard is also compatible with !TLi-T Recommendations V.l O and
V.28.

The interface circuit includes a generator connected by a
interconnecting cable to a load consisting of a receiver. The
electrical characteristics of the circuit are specified in terms of
required voltage, current, and resistance values obtained from
direct measurements of the generator and receiver components at the
interface points (connector). The logic function of the generator
and the receiver is not defined by this Standard, as it is
application dependent. Minimum signal quality requirements are also
specified to support the specified data signaling rates.

It is intended that this Standard will be referenced by other
standards that specify the other necessary components of an
interface (e.g.., connector, pin assignments, function) for
applications where the electrical characteristics of an unbalanced
voltage digital interface circuit are required. This Standard does
not specify other characteristics of the interface (such as
protocol and timing, etc.) essential for proper operation across
the interface.

Additional information