RE46C127 Datasheet, PDF (2/10 Pages) Microchip Technology – CMOS Ionization Smoke Detector ASIC with Interconnect and Timer Mode

RE46C127
CMOS Ionization Smoke Detector ASIC with
Interconnect and Timer Mode
Product Specification
R&E International
A Subsidiary of Microchip Technology Inc.
DC Electrical Characteristics at TA = 25°C, VDD=9V, OSCAP=.1uF, RBIAS=8.2MΩ, VSS=0V (unless
otherwise noted)
Parameter
Supply Voltage
Supply Current
Input Voltage High
Input Voltage Low
Input Leakage Low
Input Leakage High
Output Off Leakage High
Input Pull Down Current
Output High Voltage
Output Low Voltage
Output Current
Low Battery Voltage
Internal Sensitivity Set Voltage
Symbol
V_DD
I_DD1
I_DD2
V_IH1
V_IH2
V_IH3
V_IL1
V_IL2
V_IL3
IL_DET1
IL_DET2
IL_FD
IH_DET1
IH_DET2
IH_FD
I_IOL2
I_IOHZ
I_PD1
V_OH1
V_OL1
V_OL2
V_OL3
I_IOL1
I_IOH1
I_IODMP
V_LB
V_SET1
V_SET2
Test
Pin
6
6
6
8
2
1
8
2
1
15
15
8
15
15
8
2
4,5
1
10,11
10,11
4
5
2
2
2
6
13
3
Test Conditions
Operating
RBIAS=8.2MΩ, OSCAP=.1uF
RBIAS=8.2MΩ, OSCAP=.1uF;Vdd=12V
No Local Alarm, IO as an Input
No Local Alarm, IO as an Input
VDD=9V, DETECT=VSS, 0-40% RH
VDD=9V, DETECT=VSS, 85% RH
Note 1
FEED=-10V
VDD=9V, DETECT=VDD, 0-40% RH
VDD=9V, DETECT=VDD, 85% RH
Note 1
FEED=22V
No Alarm, Vio=17V
Outputs Off
TSTART=9V
IOH=-16mA, VDD=7.2V
IOL=16mA, VDD=7.2V
IOL=500ua
IOL=10mA, VDD=7.2V
No Alarm, Vio=Vdd-2V
Alarm, Vio=Vdd-2V or Vio=0V
At Conclusion of Local Alarm or Test,
Vio=1V
T_A=-10 to 60ºC, Note 3
Min
6
6.2
3
4.5
20
6.3
25
-4
5
7.2
48.5
Limits
Typ Max
12
4
6.5
9
4.5
4.5
2.7
1
2.5
-0.75
-1.50
-50
0.75
1.50
50
150
1
50
80
.9
.5
1
60
-16
7.5
7.8
50 51.5
65.5
Units
V
uA
uA
V
V
V
V
V
V
pA
pA
uA
pA
pA
uA
uA
uA
uA
V
V
V
V
uA
mA
mA
V
%V_DD
%V_DD
© 2009 Microchip Technology Inc.
DS22174A-page 2