msm5547 Oki Semiconductor, msm5547 Datasheet
msm5547
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msm5547 Summary of contents
Page 1
... MSM5547 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 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 ...
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... (Model name indicated on actual product is M5547 44-pin plastic QFP FEDL5547-03 MSM5547 2/10 ...
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... OL2 5.5 V OH3 0.5 V OL3 OUT f(x'tal) = 4.194304 MHz No load FEDL5547-03 MSM5547 Rating Unit –0.3 to +18 V – 0.3 £ V £ 0 ± – –10 mA 200 mW –55 to +150 °C Range Unit – ...
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... AM, PM, colon) •Colon display blinks with a 50% duty ratio •Relationship between Driver Outputs and DF Display Tube Relationship between Driver Output and DF Display Tobe 1Hz g2 1Hz FEDL5547-03 MSM5547 4/10 ...
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... Hour display Minute display • highest digit is not displayed. (Highest digit zero suppress function) Operation mode DIM CONT2 * 100% duty display "1" 25% (1/4) duty display (or open) at 4096 Hz 12.5% (1/8) duty display "0" at 4096 Hz "1" 6.25% (1/16) duty display (or open) at 4096 Hz FEDL5547-03 MSM5547 5/10 ...
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... If the minute digit is less than 30, minute and second digits are reset to 00’00" . The counters for seconds are reset Hz. (Example of Setting hour 30 minutes 00 seconds X hour 00 minutes 00 seconds X hour 29 minutes 59 seconds X hour 30 minutes 00 seconds X hour 59 minutes 59 seconds ( hour 29 minutes 59 seconds Æ X hour 00 minutes 00 seconds Æ hours 00 minutes 00 seconds FEDL5547-03 MSM5547 6/10 ...
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... Input pulses to minute counter and hour counter, and "0" advances 1 count with 1 pulse. (Do not carry hour and minute counters.) Operation mode DIM CONT2 The pulse widths of the all segment outputs are * controlled by the pulse width of DIM signal Sets all segment outputs to high impedance FEDL5547-03 MSM5547 7/10 ...
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... A chattering removal circuit is included on three input pins: MS, HS and ZA. Less than 31.25 msec chattering is neglected. Input wave form Treatment of NC Pin Since the NC pin of 17 pin and 39 pin are connected to the substrate, set the pins open status. 31.25 msec or less 31.25 msec or less FEDL5547-03 MSM5547 voltage DD 8/10 ...
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... Therefore, before you perform reflow mounting, contact Oki’s responsible sales person on the product name, package name, pin number, package code and desired mounting conditions (reflow method, temperature and times). FEDL5547-03 MSM5547 (Unit : mm) Package material Epoxy resin Lead frame material ...
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... No part of the contents contained herein may be reprinted or reproduced without our prior permission. 9. MS-DOS is a registered trademark of Microsoft Corporation. Copyright 2000 Oki Electric Industry Co., Ltd. Printed in Japan FEDL5547-03 MSM5547 10/10 ...