as ahi kasei emd corp oration single clock generator AK8118 features outpu t freq uenc y range: 40.5m hz / 32 .0mhz (selec table ) input frequ e nc y : 27mhz lo w jitter perform a nce : 15 p s (t y p .) period, 1 lo w cur ren t consump t io n: 3.5ma (ty p .) o u t p ut l o a d: 15pf (max.) supply voltage: 2.7 ? 3.6v opera t ing t empera t ure rang e: -20 to +8 5 packag e: 6-pin son (lead-free) bod y size 2.6mm x 1.6mm description the AK8118 is a single clock generator ic with an integrated pll. it can generate either a 40.5mhz or a 32.0mhz clock from a 27mhz master clock input frequency. through pin control, the output can be enabled or disabled, the frequency can be changed, and the device can be placed in a power-down mode. a high performance pll locks to the master clock input, generating a low jitter, highly accurate clock output without an external crystal. applications di gital still cam e ra block diagram AK8118 single clock generator ms0634-e-01 feb-08 - 1 - http://
ak811 8 the brand name of akemd?s ic?s pin descriptions pack ag e: 6-pin son (to p vie w ) * l e a d - f r e e pin no. pin name pin type description 1 vdd -- power supply 2 vss -- ground 3 clkout out clock output output clock frequency is selectable to 40.5mhz or 32.0mhz by setting the fsel pin. in power down mode (oe = ?l?), this pin is ?l?. 4 oe in clkout output enable control ?l?: clkout = ? l? and p o w e r d o w n . ?h?: acti ve (1) 5 fsel in clock frequency select ?l?: 40.5mhz, ?h?: 32.0mhz (1) 6 clkin in clock input (27mhz) place the AK8118 in power down (oe = ?l?) mode when an input clock is not supplied. unstable input to the clkin causes the unstable clkout signal. dc input to the clkin also causes the unstable clkout signal. (1) internal pull down 100k (typ.) ? ordering information part number marking shipping packaging package t e mp eratu re range AK8118l 118(ak8 118 ) tape and reel 6-pin son -20 to 85 feb-08 ms0634-e-01 - 2 -
AK8118 the brand name of akemd?s ic?s absolute maximum rating absolute maximum rating over operating free-air temperat ure range unless otherwise noted (1) items ite m s sy mbolsymbol ra tings ratings unit unit over operating free-air temperat ure range unless otherwise noted (1) supply voltage vdd -0.3 to 4.6 v input voltage vin vss-0.3 to vdd+0.3 v input current (any pins except supplies) i in 10 ma storage temperature tstg -55 to 130 c note (1) stress be yo nd those l i sted und er ?absol ute maximu m ra tings? ma y c a u s e perma nent dama ge to the device. t hese are stress ratings on l y . f unction al o perati on of the device at these or an y other c onditi ons b e y o nd those indic a ted u n d e r ?recommen d ed operati ng c onditi ons? is n o t implied. e x p o s ure to abso l ut e-ma ximum-r ating conditi ons for e x ten d e d peri o d s ma y affect de vice reli abi lit y . electrical p a ra meters are gu a r antee d onl y o v er the recommen d e d oper ating temp erature ra nge. this devi c e i s manufa c tu red on a cm os pro c e ss, therefo r e, ge neri c ally su sceptible to dama ge by exce ssive st atic voltage. fa ilure to observe pro per ha ndlin g and ins t allation proc edures c an c a us e damage. akem d recommends that this devic e is handled with app rop r iate p r e c autio ns. esd sensitive device recommended operation conditions parameter symbol conditions min typ max unit operating temperature ta -20 85 c supply voltage vdd 2.7 3.0 3.6 v input clock frequency fin 27 mhz input clock duty cycle 50 % output load capacitance cp1 pin: clkout 15 pf ms0634-e-01 feb-08 - 3 -
ak811 8 the brand name of akemd?s ic?s dc characteristics all specifications at vdd: over 2.7 to 3.6v, ta: -20 to +85 , input frequency: 27mhz, unless otherwise noted parameter symbol conditions min typ max unit high level input voltage v ih pin: clkin, fsel, oe 0.8vdd v low level input voltage v il pin: clkin, fsel, oe 0.2vdd v input current 1 i l 1 pin: clkin -10 +10 a input current 2 i l 2 pin: oe, fsel -10 +75 a high level output voltage v oh pin: clkout i oh =-4ma (vdd=3.0v, ta=25 ) 0.8vdd v low level output voltage v ol pin: clkout i ol =+4ma (vdd=3.0v, ta=25 ) 0.2vdd v current consumption i dd no load (vdd=3.0v, ta=25 ) 3.5 ma power down current i pd oe=?l? fsel=?l? or open 0 10 a ac characteristics all specifications at vdd: over 2.7 to 3.6v, ta: -20 to +85 , input frequency: 27mhz, unless otherwise noted parameter symbol conditions min typ max unit output clock duty cycle (2) (3) 45 50 55 % output clock rise time (2) (3) t rise 0.2vdd to 0.8vdd 4.0 ns output clock fall time (2) (3) t fall 0.2vdd to 0.8vdd 4.0 ns output clock jitter (2) (3) jit period, 1 15 ps output lock time (1) t lock power-up 1 ms (1) the time that output reaches the ta rget frequency within accuracy of 0.1% from the point that the power supply reaches vdd (2) with the load capacitance specified by the recommended operation conditions (3) design value feb-08 ms0634-e-01 - 4 -
AK8118 the brand name of akemd?s ic?s packag e information packag e information ? mechanical data (units:mm) ? mechanical data (uni t s :m m ) ? marking ? marking a: #1 pin index a: #1 pin index b: part number b: part number c: date c ode (3 digit s ) c : date c ode (3 digit s ) akm and the logo - - are the brand of akemd?s ic?s and identify that akemd continues to offer the b est choice f or high perf ormance mixed-signal solution unde r this brand. ak m and th e logo - - are t h e brand of a kemd?s ic?s and identif y that akemd continues to offer the b est choice f or high perf ormance mixed-signal solution unde r this brand. 0. 8m ax 0. 8m ax 0.130.05 0. 5 0. 5 2. 60. 1 0. 20. 1 (0 .1 ) (0 .1 ) 0.2 0.1 (0.1) (0.1) 3.00.1 bottom view (0.1) ( 1.24 ) ( 0.4) s 0.1 m + 0.1 s ms0634-e-01 feb-08 - 5 -
ak811 8 the brand name of akemd?s ic?s ? rohs compliance all integrated c irc uit s form as ahi kas e i emd corporation (akemd) as sembled in ?lea d-free? p a c kage s* a r e fully compli ant with ro hs. (*) rohs comp liant pr oducts from akemd are ide n tified w i t h ?pb free? letter indic a tio n on prod uct labe l p o sted on th e a n ti-shie l d b ag a nd bo xes. important notice z t hese product s and their sp e c ifications are subject to cha n ge w i th out noti c e. w hen you con s ider an y use o r applicati on of these prod ucts, please make i nquir i es the sal e s office of asahi kasei emd co rporatio n (ake md) or authori z ed distri butors as to current status of the pro ducts. z akemd assumes no liability for infringement of any paten t, intellectual property, or other rights in the application or use of any in formation contained herein. z any export of these products, or devices or systems containing them, may require an export license or other official approval under the law and regulations of the country of export pertaining to customs and tariffs, currency exchange, or strategic materials. z akemd products are neither intended nor authorized for use as critical components note1) in any safety, life support, or other hazard related device or system note2) , and akemd assumes no responsibility for such use, except for the use approved with the express written consent by representative director of akemd. as used here: note1) a critical component is one whose failure to f unction or perform may reasonably be expected to result, whether directly or indirectly, in the loss of the safety or effectiveness of the device or system containing it, and which must therefore meet very high standards of performance and reliability. note2) a hazard related device or system is one designed or intended for life support or maintenance of safety or for applications in medicine, aerospace, nuclear energy, or othe r fields, in which its failure to function or perform may reasonably be expected to result in loss of life or in significant injury or damage to person or property. z it is the responsibility of the buyer or distributor of akemd products, who distributes, disposes of, or otherwise places the product with a third party, to notify such third party in advance of the above content and conditions, and the buyer or distributor agrees to assume any and all responsibility and liability for and hold akemd harmless from any and all claims arising from the use of said product in the absence of such notification. feb-08 ms0634-e-01 - 6 -
|
