BU2288FV ROHM Electronics, BU2288FV Datasheet
BU2288FV
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BU2288FV Summary of contents
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... Multimedia ICs Clock generator IC BU2288FV The BU2288FV that generates plural clocks required for DVD system from a 2-channel PLL external crystal oscillator. The six kinds of signals for video and audio system are generated with low jitter. Application All DVD sets Features 1) All clock signals needed for DVD can be generated by a single chip ...
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... Multimedia ICs Block diagram XTALIN XTAL XTALOUT XTALIN=27MHz PLL1 1/4 1/6 1/8 PLL2 1/4 1/6 FSEL1 CLK512FS CLKA OPEN 22.5792MHz 16.9344MHz L 24.576MHz 36.864MHz BU2288FV 27MHz 33.8688MHz CLK512FS 24.576MHz or 22.5792MHz FSEL1 16.9344MHz CLKA 16.9344MHz or 36.864MHz FSEL1 2/6 ...
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... Clock output (FSEL1 Open : 16.9344MHz, FSEL1 L : 36.864MHz) Clock output (FSEL1 Open : 22.5792MHz, FSEL1 L : 24.576MHz) Digital GND Digital V DD 16.9344MHz clock output Output select : with pull-up Open : 16.9344MHz (Pin9), 22.5792MHz (Pin10 36.864MHz (Pin9), 24.576Mhz (Pin10) 33.8688MHz clock output Output enable (open : enable disable) : with pull-up BU2288FV 3/6 ...
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... Multimedia ICs Input output circuits Pin No. Input (schmitt trigger) Pin 14 with pull-up resistance Input Pin 16 with pull-up resistance Output Pin 3, 9, 10, 13, 15 Output Pin 4 Crystal Pin 7, 8 Equivalent circuit to inside IC to inside IC from inside IC to inside IC BU2288FV 4/6 ...
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... MHz psec 420 psec 2.5 nsec 2.5 nsec 1 msec 0.8V DD Input (V) VyhH BU2288FV Conditions I 4.0mA OH I 4.0mA Vhys VthH VthL no load FSEL1 OPEN, XTAL 3136/625/6 FSEL1 L, XTAL 2048/375/6 XTAL 3136/625/4 XTAL 3136/625/8 XTAL output FSEL1 OPEN, XTAL 3136/625/8 FSEL1 L, XTAL 2048/375/4 ...
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... Note : The BU2288FV is basically placed on the board Decoupling capacitance (0.1µF) need to be placed between Pin5 (AV Also Decoupling capacitance (0.1µF) need to be placed between Pin1 (V and Pin12 ( obtain accurate frequency, capacitance ( pF) need to be placed between Pin8 (XTALIN) and Pin6 (AV Pin7 (XTALOUT) and Pin6 (AV Tantalum capacitance (10 ∼ ...
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Appendix No technical content pages of this document may be reproduced in any form or transmitted by any means without prior permission of ROHM CO.,LTD. The contents described herein are subject to change without notice. The specifications for the product ...