motorola semiconductor technical data product preview order number: MPC94551 rev 2, 06/2004 this document contains certain information on a new product. specifications and information herein are subject to change without notice . ? motorola, inc. 2004 pr elimin a ry low voltage 1:4 cmos clock buffer the MPC94551 is a cmos 1:4 fanout buffer. the MPC94551 is ideal for applications requiring lower voltage. features ? 1:4 cmos fanout buffer ? 250 ps output to output skew ? i/o frequency up to 160 mhz operation ? non-inverting output clock ? 3.3 v supply voltage ? output enable mode tri-states outputs ? -40c to 85c industrial temperature range ? standard 8-lead soic package figure 1. logic diagram iclk oe q1 q2 q3 q4 MPC94551 d suffix 8-lead soic package case 751-06 1:4 lvcmos clock buffer ordering information device package MPC94551d so-8 MPC94551dr2 so-8 1 2 3 4 8 7 6 5 oe gnd v dd q4 q1 q3 q2 iclk figure 2. pin assignment f r e e s c a l e s e m i c o n d u c t o r , i freescale semiconductor, inc. f o r m o r e i n f o r m a t i o n o n t h i s p r o d u c t , g o t o : w w w . f r e e s c a l e . c o m n c . . .
MPC94551 motorola 2 timing solutions prelim in ary table 1. pin description pin number pin name pin type pin description 1 iclk input clock input, internal pull-up resistor 2 q1 output clock output 1 1. a 33 ? series terminating resistor may be used on each clock output if the trace is longer than 1 inch. 3 q2 output clock output 1 4 q3 output clock output 1 5 q4 output clock output 1 6 gnd power connect to ground 2 2. a decoupling capacitor of 0.01 f should be connected between v dd on pin 7 and gnd on pin 6, as cl ose to the device as possible. 7v dd power connect to 3.3 v 2 8 oe input output enable, tri-states outputs when low, internal pull-up resistor table 2. absolute maximum ratings 1 1. stresses above the ratings listed below can cause permanent damage to the device. these ratings are stress ratings only. func tional operation of the device at these or any other conditi ons above those indicated in the operational se ctions of the specifications is not i mplied. exposure to absolute maximum rating conditions for extended periods can affect product reliability. electrical parameters are guaranteed on ly over the recommended operating temperature range. parameter rating unit power supply voltage, v dd 3.9 v all inputs and outputs ?0.5 to v dd +0.5 v ambient operating temperature ?40 to +85 c storage temperature ?65 to +150 c junction temperature 175 c soldering temperature 260 c table 3. recommended operation conditions parameter min typ max unit ambient operating temperature ?40 +85 c power supply voltage (measured in respect to gnd) +3.135 +3.465 v f r e e s c a l e s e m i c o n d u c t o r , i freescale semiconductor, inc. f o r m o r e i n f o r m a t i o n o n t h i s p r o d u c t , g o t o : w w w . f r e e s c a l e . c o m n c . . .
MPC94551 timing solutions 3 motorola prelim in ary table 4. dc characteristics (v dd = 3.3 v 5%; ambient temperature = ?40c to 85c) parameter symbol conditions min typ max unit operating voltage v dd 3.15 3.45 v input high voltage 1 , iclk 1. nominal switching threshold is v dd /2. v ih v dd /2 + 0.7 3.8 v input low voltage 1 , iclk v il v dd /2 ? 0.7 v input high voltage, oe v ih 2v dd v input low voltage, oe v il 0.8 v output high voltage v oh i oh = ?25 ma 2.4 v ouput low voltage v ol i ol = 25 ma 0.4 v output high voltage (cmos level) v oh i oh = ?12 ma v dd ? 0.4 v operating supply current i dd no load, 135 mhz 18 ma nominal output impedance z o 20 w internal pull-up resistor r pu iclk 30 k ? input capacitance c in oe pin 5 pf c in iclk tbd pf short circuit current i os 50 ma table 5. ac characteristics (v dd = 3.3 v 5%; ambient temperature = ?40c to 85c) parameter symbol condition min typ max unit input frequency 0 160 mhz output frequency 1 1. measured with an external series resistor of 33 ? positioned close to each output pin 15 pf load 160 mhz output clock rise time t or 0.8 v to 2.0 v 1.5 ns output clock fall time t of 2.0 v to 0.8 v 1.5 ns propagation delay 2 2. measured with rail to rail input clock 135 mhz 2 4 8 ns output to output skew 3 3. measured between any 2 outputs with equal loading rising edges at v dd /2 250 ps f r e e s c a l e s e m i c o n d u c t o r , i freescale semiconductor, inc. f o r m o r e i n f o r m a t i o n o n t h i s p r o d u c t , g o t o : w w w . f r e e s c a l e . c o m n c . . .
information in this document is provided solely to enable system and software implementers to use motorola products. there are no express or implied copyright licenses granted hereunder to design or fabricate any integrated circuits or integrated circuits based on the informa tion in this document. motorola reserves the right to make changes without further notice to any products herein. motorola makes no warranty, represen tation or guarantee regarding the suitability of its products for any particular purpose, nor does motorola assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation consequential or incidental damages. ?typical? parameters which may be provided in motorola data sheets and/or specifications can and do vary in different applications and actual performance may var y over time. all operating parameters, including ?typicals? must be validated for each customer application by customer?s technical experts. motorola does not convey any license under its patent rights nor the rights of others. motorola products are not designed, intended, or authorized for use as compon ents in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in whic h the failure of the motorola product could create a situation where personal injury or death may occur. should buyer purchase or use motorola products for any such unintended or unauthorized application, buyer shall indemnify and hold motorola and its officers, employees, subsidiaries, affiliates, and di stributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of persona l injury or death associated with such unintended or unauthorized use, even if such claim alleges that motorola was negligent regarding the design or manufa cture of the part. motorola and the stylized m logo are registered in the us patent and trademark office. all other product or service names are t he property of their respective owners. ? motorola, inc. 2004 how to reach us: usa/europe/locations not listed: japan: motorola japan ltd.; sps, technical information center motorola literature distribution 3-20-1 minami-azabu. minato-ku, tokyo 106-8573, japan p.o. box 5405, denver, colorado 80217 81-3-3440-3569 1-800-521-6274 or 480-768-2130 asia/pacific: motorola semiconductors h.k. ltd.; silicon harbour centre 2 dai king street, tai po industrial estate, tai po, n.t., hong kong 852-26668334 home page: http://motorola.com/semiconductors MPC94551 package dimensions l h x 45? c seating plane s b m 0.25 a s c b a1 c a 0.10 1 4 5 8 m b m 0.25 d e h a b e dim min max millimeters a 1.35 1.75 a1 0.10 0.25 b 0.35 0.49 c 0.19 0.25 d 4.80 5.00 e 1.27 bsc e 3.80 4.00 h 5.80 6.20 h 0? 7? l 0.40 1.25 q 0.25 0.50 notes: 1. dimensioning and tolerancing per asme y14.5m, 1994. 2. dimensions are in millimeter. 3. dimension d and e do not include mold protrusion. 4. maximum mold protrusion 0.15 per side. 5. dimension b does not include dambar protrusion. allowable dambar protrusion shall be 0.127 total in excess of the b dimension at maximum material condition. d suffix soic package case 751-06 issue t f r e e s c a l e s e m i c o n d u c t o r , i freescale semiconductor, inc. f o r m o r e i n f o r m a t i o n o n t h i s p r o d u c t , g o t o : w w w . f r e e s c a l e . c o m n c . . .
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