CS212 Datasheet, PDF (3/8 Pages) Cherry Semiconductor Corporation – Security Detector Serial-Addressable Receiver/Transmitter

PARAMETER
Electrical Characteristics: T_A = 25°C, unless otherwise specified.
TEST CONDITIONS
MIN
TYP
Turn-On Time For
Line Output Driver
Turn-Off Time For
Line Output Driver
Line Voltage VL (Note 1)
Loop Current IN2, IN3
Alarm Condition IN2-IN3
Loop Open
Alarm Condition IN2-IN3
Loop Shorted
1.0
1.0
0
0.1
1
5
MAX
28
0.5
5
30
UNIT
µs
µs
V
mA
kΩ
kΩ
Note 1: The circuit shall function in the correct way only between 0 and 18V_DC. Data driver must not turn on when line voltage is above 18V.
PACKAGE PIN #
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Package Pin Description
PIN SYMBOL
OUT0
A4
A3
A2
A1
A0
IN1
IN0
LINE
Gnd
DATA_OUT
V_DD
IN3
IN2
DSR
OUT1
FUNCTION
Output (open collector) from S-ART.
Address input. Must be connected to V_DD or Gnd according to the
relevant address code.
Address input. Must be connected to V_DD or Gnd according to the
relevant address code.
Address input. Must be connected to V_DD or Gnd according to the
relevant address code.
Address input. Must be connected to V_DD or Gnd according to the
relevant address code.
Address input. Must be connected to V_DD or Gnd according to the
relevant address code.
Input to S-ART.
Input to S-ART.
Signal lead in the line cable.
Zero lead in the line cable.
Output from the S-ART, which is active in the READ-mode.
Transmits data from
S-ART to line.
Supply voltage to the S-ART. The voltage is derived from the line
signal.
Sabotage surveilled loop (shorting and breaking).
Sabotage surveilled loop (shorting and breaking).
Data Set Ready. Output (open collector) from the S-ART which is
active during WRITE-mode, when OUT0 and OUT1 change.
Output (open collector) from S-ART.
3