RE46C120
CMOS Ionization Smoke Detector ASIC
Product Specification
R&E International
AC Electrical Characteristics at TA = 25°C, VDD=9V, OSCAP=.1uF, RBIAS=8.2MΩ, VSS=0V (unless
otherwise noted)
Test
Pin
12
12
5
5
5
5
10,11
10,11
10,11
10,11
10,11
10,11
10,11
Parameter
Oscillator Period
Symbol
T
PER1
T
PER2
T
PW
T
LON
T
LOF1
T
LOF2
T
HON1
T
HON2
T
HON3
Test Conditions
No Alarm Condition
Alarm Condition
Operating
Operating
Standby, No Alarm
Alarm Condition
Operating, Alarm Condition, Note 4,
TONE=VDD or Float
Low Battery, No Alarm
Operating, Alarm Condition, TONE=Low
Operating, Alarm Condition, Note 4,
TONE=VDD or Float
Operating, Alarm Condition, Note 4,
TONE=VDD or Float
Operating, Alarm Condition, TONE=Low
Low Battery, No Alarm
Min
1.34
37.5
9.1
9.1
32
.9
450
9.1
150
450
1.35
75
32
Limits
Typ
Max
1.67
41.5
10.5
10.5
40
1
500
10.5
166
500
1.5
83
40
2
45.8
12.9
12.9
48
1.1
550
12.9
183
550
1.65
92
48
Units
S
mS
mS
mS
S
S
mS
mS
mS
mS
S
mS
S
Oscillator Pulse Width
LED On Time
LED Off Time
Horn On Time
Horn Off Time
T
HOF1
T
HOF2
T
HOF3
T
HOF4
Note 4 : See timing diagram for Horn Temporal Pattern
Functional Block Diagram
Figure 1
Telephone 610.992.0727
Page 3 of 7
E-mail: rande@randeint.com
DS-RE46C120-010907
This datasheet contains PROPRIETARY and CONFIDENTIAL information.
Facsimile 610.992.0734
RANDE [ R & E INTERNATIONAL, INC. ]
