RE46C165 Microchip Technology Inc., RE46C165 Datasheet - Page 7

• Manufacturer Part Number: RE46C165
• Description: Cmos Photoelectric Smoke Detector Asic With Interconnect, Timer Mode And Alarm Memory
• Manufacturer: Microchip Technology Inc.

AC ELECTRICAL CHARACTERISTICS
 2010 Microchip Technology Inc.
AC Electrical Characteristics: Unless otherwise indicated, all parameters apply at T
Typical Application (unless otherwise noted), V
Oscillator Time Base (COSC, ROSC)
Oscillator Period
Oscillator Tolerance
LED Indication (LED)
LED On Time
LED Period
Alarm Memory LED
Pulse Train (3x)
Off Time
Alarm Memory LED
Timer Period
Detection (STROBE, IRED)
STROBE On Time
IRED On Time
Note 1:
Parameter
2:
3:
4:
T
See timing diagram for Horn Temporal Pattern in
See timing diagram for Horn Continuous Pattern in
During Timer mode, the LED Period is 10.5 seconds. The LED period will return to 43 seconds at the
conclusion of the Timer mode.
POSC
and T
IRON
T
Symbol
T
T
T
T
T
T
T
T
T
TOLOSC
T
T
OFLED
PLED0
PLED1
PLED2
PLED3
PLED4
LALED
POSC
STON
IRON
ON1
are 100% production tested. All other timing is verified by functional testing.
Test
Pin
11
11
11
11
11
11
11
11
9
9
4
6
9.38
21.5
Min
450
225
-10
9.4
9.6
1.2
9.4
38
94
LED IS NOT ON
SS
10.42 11.46
= 0V.
10.4
10.7
23.9
10.4
Typ
500
250
104
1.3
43
0
Max
26.3
11.5
11.7
11.5
550
275
114
1.5
10
47
Figure
Figure
Hours 8257536 Alarm memory set
Units
ms
ms
ms
ms
ms
µs
%
3-2.
s
s
s
s
3-3.
Clocks
4096
1024
0.01
127
RE46C165/6/7/8
48
24
—
1
1
1
1
Operating, Note 1
Operating
Operating
Remote alarm only
Standby, no alarm
Local alarm condition
Timer mode, no local alarm
Timer mode, no local alarm
Alarm memory set,
LED enabled
Smoke test,
Chamber test
Operating/DIAG, Note 1
A
= -25° to 75°, V
Conditions
DS22251A-page 7
DD
= 9V,