參數資料
型號: MC14468P
廠商: Freescale Semiconductor
文件頁數: 6/9頁
文件大?。?/td> 0K
描述: IC SMOKE DETECT IONIZATN 16-DIP
標準包裝: 25
類型: 煙霧探測器
輸入類型: 離子化
輸出類型: 電壓
電流 - 電源: 12µA
安裝類型: 通孔
封裝/外殼: 16-DIP(0.300",7.62mm)
供應商設備封裝: 16-PDIP
包裝: 管件
Sensors
6
Freescale Semiconductor
MC14468
Figure 7. Timing Diagram
Notes:
1. Horn modulation is self-completing. When going from smoke to no smoke, the alarm condition will terminate only when horn is off.
2. Comparators are strobed on once per clock cycle (1.67 s for no smoke, 40 ms for smoke).
3. Low battery comparator information is latched only during LED pulse.
4. ~ 100 mV p-p swing.
HYSTERESIS (Internal)
(Pin 13) (Pin 14)
DETECT OUT
(Pin 1)
LOW BATTERY
(Internal)
SAMPLE (Internal)
Smoke
HORN
(Pin 10 and 11)
Low = Disable
High = Enable
LED
(Pin 5)
OSCILLATOR
(Pin 12)
Smoke/No Low Battery
Smoke/Low Battery
No Smoke/Low Battery
40 ms
10 ms
1.67 s
Standby
No Smoke/
No Low Battery
24 Clock Cycles (0.96 s)
24 Clock Cycles
(40S)
24 Clock Cycles
6 Clock
Suppressed Chirp
Battery Test
(Note 3)
(Note 1)
Cycles (10.0 s)
STROBE OUT
(Pin 14)
I/O (Pin 2)
Output (Local)
I/O (Pin 2)
Input (Remote)
LED
Note: Horn Modulation Not Self-Completing
(Suppressed LED for Remote Only)
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