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ICM7249_01 Datasheet, PDF (9/9 Pages) Intersil Corporation – 5 1/2 Digit LCD, Micro-Power Event/Hour Meter
ICM7249
LCD
120VAC
60Hz
10M
M AC MOTOR
100K
10M
W BP
36
A1
B6/C6
32.768kHz
CRYSTAL
OSC1
ICM7249
S/S
OSC0
VDD
VSS C0 C1 C2 C3
DT
+
+3V Li
FIGURE 8. MOTOR HOUR METER
DISPLAY
TEST
LCD
GATE
SWITCH
+3V TO +24V DC
20kΩ
W BP
S/S
A1
ICM7249
36
B6/C6
OSC1
32.768kHz
CRYSTAL
VDD
VSS C0 C1 C2 C3
OSC0
DT
+3V Li
DISPLAY
TEST
FIGURE 9. ATTENDANCE COUNTER
All Intersil semiconductor products are manufactured, assembled and tested under ISO9000 quality systems certification.
Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design and/or specifications at any time without notice.
Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reli-
able. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may
result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries.
For information regarding Intersil Corporation and its products, see web site http://www.intersil.com
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