com FEDL5547-03 FEDL5547-03 This version: May.
2000 MSM5547 Previous version: Nov.
1999 ¡ Semiconductor ¡ Semiconductor MSM5547 Digital Clock GENERAL DESCRIPTION MSM5547 is a clock IC having a wide power supply range with 4.
194304 MHz original oscillation.
MSM5547 is a 12 hour cycle AM/PM clock for a static fluorescent character display tube.
Time correction is in hour, minute and 30 minute adjustments.
Hour and minute are corrected by a 2 Hz fast-forward function.
MSM5547 also has a contrast adjustment function for the fluorescent character display tube, which can set four levels of contrast, including 100% duty.
FEATURES • 12 hour clock (AM/PM) • Applied for static flu...

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