RE46C140SW16TF Microchip Technology, RE46C140SW16TF Datasheet - Page 4

• Manufacturer Part Number: RE46C140SW16TF
• Description: Photoelectric Smoke Detector IC W/temporal, Timer 16 SOIC .300in T/R
• Manufacturer: Microchip Technology
• Type: Smoke Detectorr

Specifications of RE46C140SW16TF

• Input Type: Logic
• Output Type: Logic
• Interface: CMOS
• Current - Supply: 8µA
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Product: Piezoelectric Horn Drivers
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

RE46C140
CMOS Photoelectric Smoke Detector ASIC with Interconnect
and Timer Mode
Product Specification
Note 1 – See timing diagram for Horn Temporal Pattern
Note 2 – During the timer mode the LED Period is 10.5 seconds. The LED period will return to a 43 seconds at the conclusion of the timer
mode.
Note 3 - T
Typical values are for design information and are not guaranteed.
Limits over the specified temperature range are not production tested and are based on characterization data.
2009 © Microchip Technology Inc.
AC Electrical Characteristics at TA =-25° to 75°, VDD=9V, VSS=0V, Component Values from Figure 2 ;
R9=100KΩ, R12=10MΩ, C5= 1.5nF(unless otherwise noted)
Oscillator Period
LED and STROBE On Time
LED Period
STROBE and IRED Pulse
Period
IRED On Time
Horn On Time
Horn Off Time
IO Charge Dump Duration
IO Delay
IO Filter
Remote Alarm Delay
Timer Period
POSC
Parameter
and T
ON2
are 100% production tested. All other timing is guaranteed by functional testing.
Symbol
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
IODLY1
IODLY2
PER1A
PER1B
IODMP
PLED1
PLED2
PLED3
PLED4
IOFILT
POSC
HON1
HON2
PER1
PER2
PER3
PER4
PER5
HOF1
HOF2
HOF3
TPER
ON1
ON2
Test
11,4
Pin
4,6
4,6
4,6
4,6
4,6
4,6
4,6
8,9
8,9
8,9
8,9
8,9
12
11
11
11
11
6
7
7
7
7
No Alarm Condition
Operating
Standby, No Alarm
Local Alarm Condition
Timer Mode, No Local Alarm
Remote Alarm Only
Standby, No Alarm
Standby, After 1 Valid Smoke
Sample
Standby, After 2 Consecutive Valid
Smoke Samples
In Local Alarm – (3 Consecutive
Valid Smoke Samples)
In Remote Alarm
Pushbutton Test
Chamber Test or Low Battery
Test, no Alarms
Operating
Operating, Alarm Condition,
Low Battery or Failed Chamber
Test , No Alarm
Operating, Alarm Condition,
Operating, Alarm Condition,
Low Battery or Failed Chamber
Test, No Alarm
At Conclusion of Local Alarm or
Test Alarm
From Start of Local Alarm to IO
Active
IO pulse width guaranteed to be
filtered. IO as Input, No Local
Alarm
No Local Alarm, From IO Active
Horn Active
No Alarm Condition, Note 2
Test Conditions
Note 1
Note 1
Note 1
A Subsidiary of Microchip Technology Inc.
R&E International
Min
38.9
1.35
1.05
300
450
450
9.4
9.4
.45
9.6
9.6
1.8
7.2
9.5
39
94
39
.9
.9
.9
8
LED IS NOT ON
10.75
10.75
Typ
10.5
10.5
10.5
336
104
500
500
1.5
43
43
10
.5
2
1
1
8
0
Limits
DS22179B-page 4
Max
11.5
11.5
11.8
47.1
11.5
1.65
1.46
11.8
370
115
550
550
600
.55
2.2
1.1
1.1
8.9
2.0
47
47
12
Units
Min
mS
mS
mS
mS
mS
mS
mS
uS
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S