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RE46C122 Datasheet, PDF (3/10 Pages) List of Unclassifed Manufacturers – CMOS Ionization Smoke Detector ASIC with Interconnect and Timer Mode Preliminary Product Specification
RE46C122
CMOS Ionization Smoke Detector ASIC with Interconnect and Timer Mode
Product Specification
R&E International
DC Electrical Characteristics – Continued
Parameter
Offset Voltage
Common Mode Voltage
Output Impedance
Hysteresis
Symbol
VGOS1
VGOS2
VGOS3
VCM1
VCM2
ZOUT
VHYS
Test
Pin
14,15
15,16
13,15
14,15
13,15
14,16
13
Test Conditions
Guard Amplifier
Guard Amplifier
Smoke Comparator
Guard Amplifier, Note 2
Smoke Comparator, Note 2
Guard Amplifier Outputs, Note 2
No Alarm to Alarm Condition
Limits
Min Typ Max Units
-50
50
mV
-50
50
mV
-50
50
mV
2
VDD-.5
V
.5
VDD-2
V
10
kΩ
90
130 170
mV
Note 1: Sample test only.
Note 2: Not 100% production tested.
Note 3: Production test at room with temperature guardbanded limits.
AC Electrical Characteristics at TA = 25°C, VDD=9V, OSCAP=.1uF, RBIAS=8.2MΩ, VSS=0V (unless
otherwise noted)
Parameter
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
Timer Period
Symbol
TPER1
TPER2
TPW
TLON
TLOF1
TLOF2
TLOF3
THON1
THON2
THOF1
THOF2
THOF3
TIODMP
TIODLY1
TIOFILT
TIODLY2
TTPER
Test
Pin
12
12
5
5
5
5
5
10,11
10,11
10,11
10,11
10,11
2
2
2
2
4
Test Conditions
No Alarm Condition
Alarm Condition
Operating
Operating
Standby, No Alarm
Alarm Condition
Timer Mode, No Alarm
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
No Alarm
Min
1.34
37.5
9.4
9.4
32
.8
8
450
9.4
450
1.35
32
1.34
.450
8
Note 4 – See timing diagram for horn temporal pattern.
All timing except for TPER and TPW are guaranteed by functional tests.
Limits
Typ Max
1.67
2
41.5 45.8
10.5 12.9
10.5 12.9
40
48
1
1.2
10
12
500 550
10.5 12.9
500 550
1.5 1.65
40
48
1.67 2.0
3
450
2.2
10
12
Units
S
mS
mS
mS
S
S
S
mS
mS
mS
S
S
S
S
mS
S
Min
Telephone 610.992.0727
Facsimile 610.992.0734
E-mail: rande@randeint.com
Page 3 of 10
DS-RE46C122-121806
This datasheet contains PROPRIETARY and CONFIDENTIAL information.