RE46C144 Datasheet, PDF (2/12 Pages) Microchip Technology – CMOS Photoelectric Smoke Detector ASIC with Interconnect and Timer Mode

RE46C144
CMOS Photoelectric 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° to 75°C, VDD=9V, Typical Application (unless otherwise noted)
Parameter
Supply Voltage
Supply Current
Input Voltage High
Input Voltage Low
Input Leakage Low
Input Leakage High
Input Pull Down Current
Output Leakage Current
Low
Output Leakage Current
High
Symbo
l
V_DD
I_DD1
I_DD2
I_DD3
Test
Pin
5
5
5
5
I_DD4
V_IH1
V_IH2
V_IH3
V_IH4
V_IL1
V_IL2
V_IL3
V_IL4
I_IL1
I_IL2
I_IL3
I_LFD
I_IH1
I_IH2
I_HFD
I_PD1
I_PD2
I_PDIO1
I_PDIO2
I_OZL1
5
10
7
15
16
10
7
15
16
1,2,3
10, 12
15,16
10
1,2
3, 10, 12
10
16
15
7
7
11,13
Test Conditions
Operating
Configured as in Figure 2,
COSC=VSS
Configured as in Figure 2,
VDD=12V, COSC=VSS
Configured as in Figure 2,
STROBE on, IRED off, VDD=12V
Configured as in Figure 2,
STROBE on, IRED on, VDD=12V,
Note 1
FEED
No Local Alarm, IO as an Input
VSEN
TEST
FEED
No Local Alarm, IO as an Input
VSEN
TEST
VDD=12V, COSC=12V, STROBE
active
VDD=12V, Vin=VSS
VDD=12V, Vin=VSS
FEED=-10V
VDD=12V, Vin=VDD, STROBE
active
VDD=12V, Vin=VDD
FEED=22V
Vin=VDD
Vin=VDD
Vin=VDD
Vin=17V, VDD=12
Output Off, Output=VSS
I_OZH1
11,13 Output Off, Output=VDD
Note 1: Does not include Q3 emitter current.
Limits
Min Typ Max Units
6
12
V
4
6
uA
5.5
8
uA
2
mA
3
mA
6.2
4.5
V
3.2
V
1.6
V
8.5
V
4.5
2.7
V
1.5
V
.5
V
7
V
-100 nA
-100 nA
-1
uA
-50
uA
100 nA
100 nA
50
uA
.25
10
uA
.1
.25
.5
uA
20
80
uA
140 uA
-1
uA
1
uA
© 2009 Microchip Technology Inc.
DS22180A-page 2