RE46C121 R&E International, Inc., RE46C121 Datasheet - Page 3

• Manufacturer Part Number: RE46C121
• Description: CMOS Ionization Smoke Detector ASIC with Interconnect
• Manufacturer: R&E International, Inc.

RE46C121
CMOS Ionization Smoke Detector ASIC with Interconnect
Product Specification
Note 4 – See timing diagram for Horn Temporal Pattern
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AC Electrical Characteristics at TA = 25°C, VDD=9V, OSCAP=.1uF, RBIAS=8.2MΩ, VSS=0V (unless
otherwise noted)
Oscillator Period
Oscillator Pulse Width
LED On Time
LED Off Time
Horn On Time
Horn Off Time
IO Charge Dump Duration
IO Delay
IO Filter
Remote Alarm Delay
Parameter
This datasheet contains PROPRIETARY and CONFIDENTIAL information.
Symbol
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
IODLY1
IODLY2
IODMP
IOFILT
HON1
HON2
PER1
PER2
LOF1
LOF2
HOF1
HOF2
HOF3
LON
PW
10,11
10,11
10,11
10,11
10,11
Test
Pin
12
12
5
5
5
5
2
2
2
2
Facsimile 610.992.0734
No Alarm Condition
Alarm Condition
Operating
Operating
Standby, No Alarm
Alarm Condition
Operating, Alarm Condition, Note 4
Low Battery, No Alarm
Operating, Alarm Condition, Note 4
Operating, Alarm Condition, Note 4
Low Battery, No Alarm
At Conclusion of Local Alarm or Test
From Start of Local Alarm to IO Active
IO pulse width guaranteed to be filtered.
IO as Input, No Local Alarm
No Local Alarm, IO as input, From IO
active to Horn Active
Test Conditions
.450
Min
1.34
37.5
1.35
1.34
450
450
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9.1
9.1
9.1
32
32
.9
DS-RE46C121-010907
R&E International
Typ
1.67
41.5
10.5
10.5
10.5
1.67
500
500
1.5
40
40
1
0
Limits
Max
45.8
12.9
12.9
12.9
1.65
550
550
450
1.1
2.0
2.2
48
48
2
Units
mS
mS
mS
mS
mS
mS
mS
S
S
S
S
S
S
S
S