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MC14468P bảng dữ liệu(PDF) 6 Page - Freescale Semiconductor, Inc |
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MC14468P bảng dữ liệu(HTML) 6 Page - Freescale Semiconductor, Inc |
6 / 9 page 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 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) |
Số phần tương tự - MC14468P |
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Mô tả tương tự - MC14468P |
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