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product structure silicon monolithic integrated circuit this product has no designed protection against radioactive rays 1/ 18 tsz02201 - 0e3e0j500670 - 1 - 2 ? 20 1 5 rohm co., ltd. all rights reserved. 04.nov.2015 rev.001 tsz22111 ? 14 ? 001 www.rohm.com clock generator for a udio /v ideo equipment bu2360fv general description bu2360fv is a clock generator ic capable of generating three types of clocks - video, audio and system clocks that are necessary for dvd player systems. it is a single chip solution that uses pll technology. particularly, the audio clock is a dvd - video reference and yet achieves high c/n characteristics that have low level of distortion factor. features connecting a crystal oscillator generates multiple clock signals from a built - in pll circuit . audio clock of high c/n characteristics providing a low level of distortion factor the audio clock provides switching selection outputs. single power supply of 3.3v applications dvd players key specifications package w (typ) x d(typ) x h(max) typical application circuit (note) we believe that this circuit is to be reco mmended. however, to use it, make further thorough check for the characteristics. part name bu2 36 0fv power so urce voltage [v] 2.7 to 3.6 reference frequency [mhz] 27.0000 output frequency [mhz ] dvd video 1 27.0000 dvd audio, cd (switching outputs ) 512fs 24.5760 22.5792 system 768 (44.1k type) 33.8688 jitter 1 13:clk 32m2 1:vdd2 16: oe 2:vss2 15:clk33m 1 27.0000mhz 3:clk27m 1 14:fsel 4: clk27m 2 5:avdd 12:dvdd 6:avss 11:dvss 7:xtal in 10:clk512fs1 8:xtal out 9:clk512fs2 bu2 360fv 27.0000mhz 0.1f 0.1f open:enable l:disable 33.8688mhz open:48.0khz type l:44.1khz type 33.8688mhz 0.1f 24.5760mhz or 22.5792mhz 24.5760mhz or 22.5792mhz ssop - b16 5.00mm x 6.40mm x 1. 35 mm datashee t datashee t
b u2 360 fv 2 / 18 tsz02201 - 0e3e0j500670 - 1 - 2 ? 20 1 5 rohm co., ltd. all rights reserved. 04.nov.2015 rev.001 www.rohm.com tsz22111 15 001 pin configuration pin descriptions pin no. pin name pin function 1 vdd2 power supply for 27mhz 2 vss2 gnd for 27mhz 3 clk27m1 27.0000mhz clock output terminal 1 (c l =40pf) 4 clk27m2 27.0000mhz clock output terminal 2 (c l =25pf) 5 avdd power supply for analog block 6 avss gnd for analog block 7 xtalin crystal input terminal 8 xtalout c rystal out put terminal 9 clk512fs2 fsel=open:24.5760mhz, fsel=l:22.5792mhz 10 clk512fs1 fsel=open:24.5760mhz, fsel=l:22.5792mhz 11 dvss gnd for digital block 12 dvdd power supply for digital block 13 clk33m2 33.8688mhz clock output terminal 2 14 fsel pin 9, 10 output selection (with pull - up) open:24.5760mhz( pin 9, 10), l:22.5792mhz( pin 9, 10 ) 15 clk33m1 33.8688mhz clock output terminal 1 16 oe output enable (with pull - up) , open: enable, l:disable ( note) basically, mount ics to the printed circuit board for use. (if the ics are not mounted to the printed circuit board, the characteristics of ics may not be fully demonstrated.) mount 0.1 f capacitors in the v icinity of the ic pins between pin 1 (vdd 2 ) and pin 2 (vss 2 ), pin 5 (av dd ) and pin 6 (av ss ), pin 11 ( d v ss ) and pin 12 ( d v dd ), respectively. depending on the conditions of the printed circuit board, mount an additional electrolytic capacitor between the power supply and gnd terminal. for emi protection, it is effective to put ferrite beads in the origin of power to be supplied to the bu2360fv from the bo ard or to insert a capacitor (of not more than 1 ? 1:vdd2 16:oe 2:vss2 15:clk33m1 3:clk27m1 14:fsel 4:clk27m2 13:clk33m2 5:avdd 12:dvdd 6:avss 11:dvss 7:xtalin 10:clk512fs1 8:xtalout 9:clk512fs2 bu2360fv b u2 360 fv 3 / 18 tsz02201 - 0e3e0j500670 - 1 - 2 ? 20 1 5 rohm co., ltd. all rights reserved. 04.nov.2015 rev.001 www.rohm.com tsz22111 15 001 block diagram absolute maximum rati n gs (ta=25 c ) parameter symbol rating unit supply voltage v dd - 0.5 to +7.0 v input voltage v in - 0.5 to v dd +0.5 v storage temperature range tstg - 30 to +125 r c power dissipation p d 0. 45 (note 1 ) w (note 1 ) in the case of exceeding ta = 25 c , 4.5mw to b e reduced per 1 c (note) operating is not guaranteed. (note) power dissipation is measured when the ic is mounted to the printed circuit board. caution: operating the ic over the absolute maximum ratings may damage the ic. the damage can either be a short circuit between pins or an open circuit between pins and the internal circuitry. therefore, it is important to consider circuit protection measures, such as adding a fuse, in case the ic is operated over the absolute maximum ratings . recommended operating condition s parameter symbol limit unit supply voltage v dd 2.7 to 3.6 v input 3 h voltage v ih 0.8v dd to v dd v input 3 l voltage v il 0.0 to 0.2v dd v operating temperature topr - 25 to +85 r c output load c l 15 pf 27m output load 1 cl_27m1 40 (clk27m1) p f 27m output load 2 cl_27m2 25 (clk27m2) pf pll2 1/6 xtal osc xtalin=27.0000mhz pll1 1/6 1/4 7:xtalin 8:xtalout 3:clk27m 1 4:clk27m 2 15:clk33m1 13:clk33m2 10:clk512fs1 9:clk512fs2 16:oe 14:fsel (27.0000mhz) (27.0000mhz) (33.8688mhz) (33.8688mhz) (fsel=open:24.5760mhz fsel=l :22.5792mhz) (fsel=open:48.0khz type fsel=l :44.1khz type) (fsel=open:24.5760mhz fsel=l :22.5792mhz) b u2 360 fv 4 / 18 tsz02201 - 0e3e0j500670 - 1 - 2 ? 20 1 5 rohm co., ltd. all rights reserved. 04.nov.2015 rev.001 www.rohm.com tsz22111 15 001 electrical characteristics (v dd =3.3v, ta=25 c , crystal frequency 27.0000mhz, unless otherwise specified.) parameter symbol limit unit conditions min typ max output l voltage v ol - - 0.4 v i ol =4.0m a out put h voltage v oh 2.4 - - v i oh = - 4.0m a fsel input v th l v th l 0.2v dd - - v (note 4 ) fsel input v th h v th h - - 0.8v dd v (note 4 ) hysteresis range v hys 0.2 - - v v hys = v thh v thl (note 4 ) action circuit current i dd - 27.0 40.5 ma at no load clk27m clk27 m - 27.0000 - mhz x tal direct out clk33m clk33m - 33.8688 - mhz x tal x 3136 / 625 / 4 clk512fs clk512_48 - 24.5760 - mhz at fsel=h, xtal x 2048 / 375 / 6 clk512_44 - 22.5792 - mhz at fsel=l, xtal x 3136 / 625 / 6 duty duty 45 50 55 % measured at a vol tage of 1/2 of v dd period - jitter 1 1 p - j 1 1 - 70 - psec (note 1 ) period - jitter min - max p - j min - max - 420 - psec (note 2 ) rise time t r - 2.5 - nsec period of transition time required for the output reach 80% from 20% of v dd . fall time t f - 2.5 - nsec per iod of transition time required for the output reach 20% from 80% of vdd . output lock - time t lock - - 1 msec (note 3 ) ( note) the output frequency is determined by the arithmetic (frequency division) expression of a frequency input to xtalin. if t he input frequency is set to 27.0000 mhz, the output frequency will be as listed above. (note 1 ) period - jitter 1 1 this parameter represents standard deviation ( ? ? v thl v thh v hys 0.2vdd 0.8vdd b u2 360 fv 5 / 18 tsz02201 - 0e3e0j500670 - 1 - 2 ? 20 1 5 rohm co., ltd. all rights reserved. 04.nov.2015 rev.001 www.rohm.com tsz22111 15 001 typical performance curves ( b asic data ) fig ure 2. 27mhz period - jitter v dd =3.3v, at c l =40pf 500psec/di v 1.0v/div fig ure 3. 27mhz spectrum v dd =3.3v, at c l =40pf 10khz/div 10db/div rbw=1khz vbw=100hz fig ure 4 . 27mhz output waveform v dd =3.3v, at c l =25pf 5.0nsec/div 1.0v/div fig ure 1. 27mhz output waveform v dd =3.3v, at c l =40pf 5.0nsec/div 1.0v/div b u2 360 fv 6 / 18 tsz02201 - 0e3e0j500670 - 1 - 2 ? 20 1 5 rohm co., ltd. all rights reserved. 04.nov.2015 rev.001 www.rohm.com tsz22111 15 001 typical performance curves - continued fig ure 6. 27mhz spectrum v dd =3.3v, at c l =25pf 10khz/div 10db/div rbw=1khz vbw=100hz f ig ure 7 . 33.9mhz output waveform v dd =3.3v, at c l =15pf 5.0nsec/div 1.0v/div fig ure 8 . 33.9mhz period - jitter v dd =3.3v, at c l =15pf 500psec/div 1.0v/div fig ure 5 . 27m hz period - jitter v dd =3.3v, at c l =25pf 500psec/div 1.0v/div b u2 360 fv 7 / 18 tsz02201 - 0e3e0j500670 - 1 - 2 ? 20 1 5 rohm co., ltd. all rights reserved. 04.nov.2015 rev.001 www.rohm.com tsz22111 15 001 typical performance curves - continued fig ure 1 0 . 24.6mhz output waveform v dd =3.3v, at c l =15pf 5.0nsec/div 1.0v/div fig ure 1 1 . 24.6mhz period - jitter v dd =3.3v, at c l =15pf 500psec/div 1.0v/div fig ure 1 2 . 24.6mhz spectrum v dd =3.3v, at c l =15pf 10khz/div 10db/div rbw=1khz vbw=100hz fig ure 9 . 33.9mhz spectrum v dd =3.3v, at c l =15pf 10khz/div 10db/div rbw=1khz vbw=100hz b u2 360 fv 8 / 18 tsz02201 - 0e3e0j500670 - 1 - 2 ? 20 1 5 rohm co., ltd. all rights reserved. 04.nov.2015 rev.001 www.rohm.com tsz22111 15 001 typical performance curves - continued fig ure 1 5 . 22.6mhz spectrum v dd =3.3v, at c l =15pf 10khz/div 10db/div rbw=1khz vbw=100hz fig ure 1 6. 24.6mhz lt jitter v dd =3.3v, at c l =15pf 1.0nsec/div 1.0v/div lt jitter 2.3nsec fig ure 1 4 . 22.6mhz period - jitter v dd =3.3v, at c l =15pf 500psec/div 1.0v/div fig ure 1 3 . 22.6mhz output wavefor m v dd =3.3v, at c l =15pf 5.0nsec/div 1.0v/div b u2 360 fv 9 / 18 tsz02201 - 0e3e0j500670 - 1 - 2 ? 20 1 5 rohm co., ltd. all rights reserved. 04.nov.2015 rev.001 www.rohm.com tsz22111 15 001 typical performance curves - continued fig ure 1 7. 22.6mhz lt jit ter v dd =3.3v, at c l =15pf 1.0nsec/div 1.0v/div lt jitter 2.5nsec b u2 360 fv 10 / 18 tsz02201 - 0e3e0j500670 - 1 - 2 ? 20 1 5 rohm co., ltd. all rights reserved. 04.nov.2015 rev.001 www.rohm.com tsz22111 15 001 typi cal performance curves - continued ( temperature and supply v oltage variations data ) fig ure 2 0 . period - jitter min - max vs temperature 27mhz (40pf) v dd =3.7v v dd =3.3v v dd =2.4v fig ure 18 . duty vs temperature 27mhz (40pf) v dd =3.7v v dd =3.3v v dd =2.4v temperature : ta [c] duty : duty [%] figure 19 . per iod - - l w w h u 1 vs temper ature 27mhz (40pf) v dd =3.7v v dd =3.3v v dd =2.4v temperature : ta [c] period - - l w w h u 1 3 - - 1 > s v h f @ period - jitter min - max : pj - min - ma x [psec] temperature : ta [c] fig ure 2 1 . duty vs temperature 27mhz (25pf) v dd =3.7v v dd =3.3v v dd =2.4v temperature : ta [c] duty : duty [%] 45 46 47 48 49 50 51 52 53 54 55 -25 0 25 50 75 100 temperature 45 46 47 48 49 50 51 52 53 54 55 -25 0 25 50 75 100 temperature 0 100 200 300 400 500 600 -25 0 25 50 75 100 temperature 0 10 20 30 40 50 60 70 80 90 100 -25 0 25 50 75 100 temperature p erio d-ji tte r1 p j-1 [psec] b u2 360 fv 11 / 18 tsz02201 - 0e3e0j500670 - 1 - 2 ? 20 1 5 rohm co., ltd. all rights reserved. 04.nov.2015 rev.001 www.rohm.com tsz22111 15 001 typical performance curves - continued figure 2 2 . period - - l w w h u 1 vs temperature 27mhz (25pf) v dd =3.7v v dd =3.3v v dd =2.4v fig ure 2 3 . period - jitter min - max vs temperature 27mhz (25pf) temperature : ta [c] fig ure 2 4 . duty vs temperature ( 33.9mhz ) v dd =3.7v v dd =3.3v v dd =2.4v temperature : ta [c] duty : duty [%] figure 2 5 . period - - l w w h u 1 vs temperature ( 33.9mhz ) v dd =3.7v v dd =3.3v v dd =2.4v temperature : ta [c] period - - l w w h u 1 3 - - 1 > s v h f @ period - - l w w h u 1 3 - - 1 > s v h f @ v dd =3.7v v dd =3.3v v dd =2.4v temperature : ta [c] period - jitter min - max: pj - min - max [ psec] 0 10 20 30 40 50 60 70 80 90 100 -25 0 25 50 75 100 temperature p erio d-ji tte r1 p j-1 [psec] 0 100 200 300 400 500 600 -25 0 25 50 75 100 temperature 45 46 47 48 49 50 51 52 53 54 55 -25 0 25 50 75 100 temperature 0 10 20 30 40 50 60 70 80 90 100 -25 0 25 50 75 100 temperature p erio d-ji tte r1 p j-1 [psec] b u2 360 fv 12 / 18 tsz02201 - 0e3e0j500670 - 1 - 2 ? 20 1 5 rohm co., ltd. all rights reserved. 04.nov.2015 rev.001 www.rohm.com tsz22111 15 001 typical performance curves - continued figure 28 . period - - l w w h u 1 vs temperature ( 24.6mhz ) v dd =3.7v v dd =3.3v v dd =2.4v temperature : ta [c] period - - l w w h u 1 3 - - 1 > s v h f @ fig ure 29 . period - jitter min - max vs temperature ( 24.6mhz ) v dd =3.7v v dd =3.3v v dd =2.4v period - jitt er min - max : pj - min - max [psec] temperature : ta [c] fig ure 2 6 . period - jitter min - max vs temperature ( 33.9mhz ) v dd =3.7v v dd =3.3v v dd =2.4v temperature : ta [c] period - jitter min - max : pj - min - max [psec] fig ure 27 . duty vs te mperature ( 24.6mhz ) v dd =3.7v v dd =3.3v v dd =2.4v temperature : ta [c] duty : duty [%] 0 10 20 30 40 50 60 70 80 90 100 -25 0 25 50 75 100 temperature p erio d-ji tte r1 p j-1 [psec] 45 46 47 48 49 50 51 52 53 54 55 -25 0 25 50 75 100 temperature 0 100 200 300 400 500 600 -25 0 25 50 75 100 temperature 0 100 200 300 400 500 600 -25 0 25 50 75 100 temperature b u2 360 fv 13 / 18 tsz02201 - 0e3e0j500670 - 1 - 2 ? 20 1 5 rohm co., ltd. all rights reserved. 04.nov.2015 rev.001 www.rohm.com tsz22111 15 001 typical performance curves - continued figure 3 1 . period - - l w w h u 1 vs temperature ( 22.6mhz ) v dd =3.7v v dd =3.3v v dd =2.4v temperature : ta [c] period - - l w w h u 1 3 - - 1 > s v h f @ fig ure 3 0 . duty vs temperature ( 22.6mhz ) v dd =3.7v v dd =3.3v v dd =2.4v temperature : ta [c] duty : duty [%] fig ure 3 2 . period - jitter min - max v s temperature ( 22.6mhz ) v dd =3.7v v dd =3.3v v dd =2.4v temperature : ta [c] period - jitter min - max : pj - min - max [psec] fig ure 3 3 . consumption current vs temperature action circuit current (with m aximum output load ) v dd =3.7v v dd =3.3v v dd =2.4v temperature : ta [c] consumption current : i dd [ma] 0 10 20 30 40 50 -25 0 25 50 75 100 temperature 0 10 20 30 40 50 60 70 80 90 100 -25 0 25 50 75 100 temperature p erio d-ji tte r1 p j-1 [psec] 45 46 47 48 49 50 51 52 53 54 55 -25 0 25 50 75 100 temperature 0 100 200 300 400 500 600 -25 0 25 50 75 100 temperature b u2 360 fv 14 / 18 tsz02201 - 0e3e0j500670 - 1 - 2 ? 20 1 5 rohm co., ltd. all rights reserved. 04.nov.2015 rev.001 www.rohm.com tsz22111 15 001 operational notes 1. reverse c onnection of p ower s upply connecting the power supply in reverse polarity can damage the ic. take pr ecautions against reverse polarity when connecting the power supply , such as mounting an external diode between the power supply and the ic ? s power supply pin s. 2. power s upply l ines design the pcb layout pattern to provide low impedance supply lines. s eparate the ground and supply lines of the digital and analog blocks to prevent n oise in the ground and supply lines of the digital block from affecting the analog block . furthermore, connect a capacitor to ground at all power supply pins . consider the effect of temperature and aging on the capacitance value when using electrolytic cap acitors. 3. g round voltage ensure that no pins are at a voltage below that of the ground pin at any time, even during transient condition. 4. g round w iring p attern when using both small - signal and large - current ground traces, the two ground traces should be ro uted separately but connected to a single ground at the reference point of the application board to avoid fluctuations in the small - signal ground caused by large currents. also ensure that the ground traces of external components do not cause variations on the ground voltage. the ground lines must be as short and thick as possible to reduce line impedance. 5. thermal c onsideration should by any chance the power dissipation rating be exceeded the rise in temperature of the chip may result in deterioration of t he properties of the chip. in case of exceeding this absolute maximum rating, increase the board size and copper area to prevent exceeding the pd rating. 6. recommended o perating c onditions these conditions represent a range within which the expected charact eristics of the ic can be approximately obtained . the e lectrical characteristics are guaranteed under the conditions of each parameter . 7. inrush current when power is first supplied to the ic, it is possible that the internal logic may be unstable and inrus h current may flow instantaneously due to the internal powering sequence and delays, especially if the ic has more than one power supply. therefore, give special consideration to power coupling capacitance, power wiring, width of ground wiring, and routing of connections. 8. operation u nder s trong e lectromagnetic f ield operating the ic in the presence of a strong electromagnetic field may cause the ic to malfunction . 9. testing on a pplication b oards when testing the ic on an application board, connecting a capa citor directly to a low - impedance output pin may v x e m h f w w k h , & |