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ICM7249 Datasheet(PDF) 4 Page - Intersil Corporation

Part # ICM7249
Description  51/2 Digit LCD, Micro-Power Event/Hour Meter
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Manufacturer  INTERSIL [Intersil Corporation]
Direct Link  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

ICM7249 Datasheet(HTML) 4 Page - Intersil Corporation

  ICM7249 Datasheet HTML 1Page - Intersil Corporation ICM7249 Datasheet HTML 2Page - Intersil Corporation ICM7249 Datasheet HTML 3Page - Intersil Corporation ICM7249 Datasheet HTML 4Page - Intersil Corporation ICM7249 Datasheet HTML 5Page - Intersil Corporation ICM7249 Datasheet HTML 6Page - Intersil Corporation ICM7249 Datasheet HTML 7Page - Intersil Corporation ICM7249 Datasheet HTML 8Page - Intersil Corporation ICM7249 Datasheet HTML 9Page - Intersil Corporation  
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Timing Waveforms
FIGURE 1. POWER ON/RESET WAVEFORMS
FIGURE 2. START/STOP INPUT HIGH-PASS FILTERING IN TIMING MODES
VDD
OSC OUT
BP
ON
SEGMENTS
OFF
SEGMENTS
1234
56
511
512
fSEG = 32Hz
tr
fBP = 32Hz
f0 = 32.768kHz
ONE 1/2 BACKPLANE CYCLE
POWER ON
RESET
40Hz < f < 50Hz
tHP
TIMING ACTIVE DURING INTERVAL
S/S VALID
tHP
S/S INVALID
S/S VALID
50Hz
≤ f ≤ 120kHz
10ms < tHP < 12.5ms
5
µs ≤ tHP ≤ 10ms
tHP > 12.5ms
TIMING INTERMINATE DURING INTERVAL
TIMING ACTIVE DURING INTERVAL
ICM7249


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