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MC14468 Datasheet(PDF) 2 Page - Freescale Semiconductor, Inc

Part No. MC14468
Description  Low-Power CMOS Ionization Smoke Detector IC with Interconnect
Download  9 Pages
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Maker  FREESCALE [Freescale Semiconductor, Inc]
Homepage  http://www.freescale.com
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MC14468 Datasheet(HTML) 2 Page - Freescale Semiconductor, Inc

   
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Sensors
2
Freescale Semiconductor
MC14468
Figure 2. Block Diagram
Table 1. Maximum Ratings(1)
(Voltages referenced to VSS)
1. Maximum Ratings are those values beyond which damage to the device may occur. This device contains circuitry to protect the inputs against
damage due to high static voltages or electric fields; however, it is advised normal precautions be taken to avoid application of any voltage
higher than maximum rated voltages to this high impedance circuit. For proper operation it is recommended VIN and VOUT be constrained to
the range VSS ≤ (VIN or VOUT) ≤ VDD.
Rating
Symbol
Value
Unit
DC Supply Voltage
VDD
–0.5 to +15
V
Input Voltage, All Inputs Except Pin 8
VIN
–0.25 to VDD + 0.25
V
DC Current Drain per Input Pin, Except Pin 15 = 1 mA
I
10
mA
DC Current Drain per Output Pin
I
30
mA
Operating Temperature Range
TA
–10 to +60
°C
Storage Temperature Range
TSTG
–55 to +125
°C
Reverse Battery Time
tRB
5.0
s
+
+
+
To Other Units
I/O
FEEDBACK
VDD
VDD
28
45 K
3
1
13
4
325 K
LOW V SET
DETECT
COMPARATOR OUT
STROBE OUT
280 K
Low-Battery
Comparator
Detect
Comparator
DETECT INPUT
15
Guard
Amp
14
VDD
LO-Z
HI-Z
16
Alarm
Logic
Power-On
Reset
OSC
and
Timing
11
10
SILVER
BRASS
5
LED
VDD = Pin 6
VSS = Pin 9
VDD
12
7


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Related Electronics Part Number

Part NumberComponents DescriptionHtml ViewManufacturer
MC14568Low-Power CMOS Ionization Smoke Detector with Interconnect and Timer 1 2 3 4 5 MoreFreescale Semiconductor, Inc

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