RE46C145(2009) 查看數據表（PDF） - Microchip Technology
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RE46C145
(Rev.:2009)
(Rev.:2009)
Microchip Technology
RE46C145 Datasheet PDF : 12 Pages
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RE46C145
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 Test
l
Pin
Test Conditions
Limits
Min Typ Max Units
VDD
5
Operating
6
IDD1
5
Configured as in Figure 2,
COSC=VSS, LED off
IDD2
5
Configured as in Figure 2,
VDD=12V, COSC=VSS
IDD3
5
Configured as in Figure 2, STROBE
on, IRED off, VDD=12V
IDD4
5
Configured as in Figure 2, STROBE
on, IRED on, VDD=12V, Note 1
VIH1
10 FEED
6.2
VIH2
7
No Local Alarm, IO as an Input
3.2
VIH3
15 VSEN
1.6
VIH4
16 TEST
8.5
VIL1
10 FEED
VIL2
7
No Local Alarm, IO as an Input
VIL3
15 VSEN
VIL4
16 TEST
IIL1
1,2,3
VDD=12V, COSC=12V, STROBE
active
IIL2
10,12 VDD=12V, Vin=VSS
IIL3
15,16 VDD=12V, Vin=VSS
ILFD
10 FEED=-10V
IIH1
1,2
VDD=12V, Vin=VDD, STROBE
active
IIH2
3,10,12 VDD=12V, Vin=VDD
IHFD
10 FEED=22V
IPD1
16 Vin=VDD
.25
IPD2
15 Vin=VDD
.1
IPDIO1
7
Vin=VDD
20
IPDIO2
7
Vin=17V, VDD=12
12
V
4
6
uA
5.5
8
uA
2
mA
3
mA
4.5
V
V
V
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
10
uA
.25
.5
uA
80
uA
140 uA
IOZL1
11,13 Output Off, Output=VSS
-1
uA
IOZH1
11,13 Output Off, Output=VDD
1
uA
Note 1: Does not include Q3 emitter current.
© 2009 Microchip Technology Inc.
DS22181B-page 2
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