參數(shù)資料
型號： CT2100-400
廠商： Aeroflex Inc.
英文描述： CT2100-400 MICROPROCESSOR CONTROLLED QUAD SOLID STATE RELAY
中文描述： CT2100 - 400單片機控制的四固態(tài)繼電器
文件頁數(shù)： 2/6頁
文件大小： 191K
代理商： CT2100-400
2
Aeroflex Circuit Technology
SCDCT2100 REV B 10/1/98 Plainview NY (516) 694-6700
DESCRIPTION
The CT2100-400 is a quad solid
state relay. The device has been
designed to provide an interface
which operates as a simple
computer I/O port. The switches
are controlled by a single data
word which the processor writes to
an internal control latch. In
addition to the basic switch
function ON/OFF and Trip flags
provide the operational status of
each of the four switches. These
signals are internally contained in
an 8 bit status register which is
accessible
by
command. The switches may also
be
controlled
(without write strobes) by use of
separate initialization pins. These
may also be used for Power-Up
control in a microprocessor based
system.
SWITCH CONTROL
an
I/O
read
asynchronously
The
independent
switches which may be used as
high side or low side drivers. The
isolated design allows the user
to parallel devices or place them
in series as required for the
specific application. Control of
the switch is via I/O write
(Address 0) or asynchronous
control lines. The CT2100-400
has an internal switch control
latch which is updated via
subsystem
I/O
illustrated in Figure 2. Once the
I/O write is completed the switch
is latched into the OFF or ON
state. The switch may also be
controlled
via
PRESET and CLEAR lines.
These
lines
drive the switch control latch
without the need for a write
CT2100-400
has
four
fully
isolated
write
as
individual
asynchronously
strobe. The PRESET/CLEAR
inputs are enabled by the
initialize pin.
SWITCH STATUS
Each switch in the CT2100-400
is monitored for circuit Trip and
ON/OFF. This data is contained
in a 8 bit status register which is
accessible via an I/O read
(Address 0)
command.
timing for the I/O read is shown
in Figure 1. The Trip and
ON/OFF flags are provided to
the system to assess the
operational capability of the
switch versus the status of the
controlled load. The Trip bit is
set high when the switch has
conducted between 1.1 to 3
amps of current based on the
time to trip curve in Figure 3.
The over current DC trip point is
typically 1.3 amps.
The
Table 1 — Absolute Maximum Ratings
Supply Voltage (V
CC
) — Pin 20
-0.5 to +7.0 Volts DC
Supply Voltage (V
EE
) — Pin 1
-.5 to +18 Volts DC
Logic Input Voltage — Pins 2-9, 12-19
-0.5 to V
CC
+.5 Volts DC
Switch Point Voltage — Pins 39-40, 29-32, 21-22
-600 to +600 Volts (200 ns)
80 Volts DC
Storage Temperature Range
-65°C to +150 °C
Table 2 — Recommended Operating Conditions
Supply Voltage (V
CC
) — Pin 20
+5.0 VDC ±10%
Supply Voltage (V
EE
) — Pin 1
+14.25 to +15.75 VDC
Logic Input Maximum Voltage (High) — Pins 2-9, 12-19
+3.3 V
Logic Input Minimum Voltage (Low) — Pins 2-9, 12-19
+0.8 V
Switch Point Voltage — Pins 39-40, 29-32, 21-22
60 VDC
Operating Temperature Range
-55°C to +125 °C
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