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high-performance products ?ate 1 www .semtech.com edge728 very high-speed dual- and quad-channel ecl delay lines description features functional block diagram applications revision 3 / february 18, 2002 the edge728 is a quad delay and deskew element. manufactured in a high performance bipolar process, it is designed primarily for channel deskew applications in memory test equipment. the part offers a full scale delay range of 8.0 ns with independent 750 ps adjustment of the falling edge. the edge728 has a drive mode, where one input signal is routed to all of the outputs. this mode is particularly useful in a fanout application. the delay value (and resolution) is controlled via an external voltage dac. this deskew element is designed specifically to be monotonic and stable while delaying a very narrow pulse over a wide delay range. the edge728 is a pin and functionally compatible upgrade to the edge628 with the following differences: greater net usable delay range greater net usable falling edge adjustment range only one external bias resistor required only one external compensation capacitor required ? pin and functionally compatible with the edge 628 and edge624 in modes 0 and 2 independent delay adjustments for positive and negative transitions fanout mode for one input distributed to all channels 44-pin mqfp package with internal heat spreader, 44-pin plcc with internal heat spreader, or die form automatic test equipment memory tester drive on channel deske w out1 out1* vdelay1 vwidth1 in1 in1* out2 out2* vdelay2 vwidth2 in2 in2* out3 out3* vdelay3 vwidth3 in3 in3* out4 out4* vdelay4 vwidth4 in4 in4* drvmode s1
2 ? 2000 semtech corp. www .semtech.com high-performance products ?ate edge728 pin description e m a n n i p# n i p p f q m# n i p c c l pn o i t p i r c s e d l a t i g i d * n i , n i3 3 , 2 3 7 3 , 6 3 1 4 , 0 4 1 , 4 4 9 3 , 8 3 3 4 , 2 4 3 , 2 7 , 6 ) . s t u p n i l a t i g i d l a i t n e r e f f i d ( . d e y a l e d e b o t l a n g i s t u p n i e h t * t u o , t u o1 2 , 2 2 8 1 , 9 1 5 1 , 6 1 2 1 , 3 1 7 2 , 8 2 4 2 , 5 2 1 2 , 2 2 8 2 , 9 1 e l b i t a p m o c l c e l a i t n e r e f f i d ( . l a n g i s t u p t u o d e y a l e d g n i d n o p s e r r o c e h t ) . s t u p t u o e d o m v r d6 22 3 r e h t e h w s e n i m r e t e d h c i h w t u p n i e l b i t a p m o c l c e h k 0 1 d e d n e - e l g n i s . e d o m t u o n a f n i s i t r a p e h t 1 s4 20 3 g n i t a r e p o e h t s e n i f e d h c i h w t u p n i e l b i t a p m o c l c e h k 0 1 d e d n e - e l g n i s . e d o m g o l a n a y a l e d v3 , 5 , 7 , 99 , 1 1 , 3 1 , 5 1 y a l e d n o i t a g a p o r p f o t n u o m a e h t s l o r t n o c h c i h w t u p n i e g a t l o v g o l a n a . l e n n a h c h c a e r o f h t d i w v4 , 6 , 8 , 0 10 1 , 2 1 , 4 1 , 6 1 y a l e d e g d e g n i l l a f f o t n u o m a e h t s l o r t n o c h c i h w t u p n i e g a t l o v g o l a n a . l e n n a h c h c a e r o f 2 t x e r7 23 3 y a l e d e h t r o f l e v e l s a i b e h t h s i l b a t s e o t d e s u t n e r r u c t u p n i g o l a n a . s l l e c 2 p m o c8 24 3. n i p n o i t a s n e p m o c r e w o p d n g , 4 1 , 3 4 , 9 3 , 3 2 , 0 2 , 7 1 5 3 , 1 3 , 3 2 , 0 2 , 5 , 1 1 4 , 7 3 , 9 2 , 6 2 . d n u o r g e c i v e d e e v8 3 , 4 3 , 2 , 2 44 4 , 0 4 , 8 , 4. y l p p u s r e w o p e c i v e d c / n0 3 , 9 2 , 5 2 , 1 16 3 , 5 3 , 1 3 , 7 1 e h t e d i s n i s n i p e s e h t o t d e t c e n n o c y r t i u c r i c o n s i e r e h t . t c e n n o c o n . e i d e h t o t d e d n o b e r i w t o n e r a s n i p e s e h t . e g a k c a p
3 ? 2000 semtech corp. www .semtech.com high-performance products ?ate edge728 pin description (continued) 34 35 36 37 38 39 40 41 42 43 44 1 2 3 4 5 6 7 8 9 10 11 22 21 20 19 18 17 16 15 14 13 12 out1 out1* gnd2 out2 out2* gnd3 out3 out3* gnd4 out4 out4* in1* in1 gnd1 n/c n/c comp2 rext2 drvmode n/c s1 gnd1 in4* vee4 vdelay4 vwidth4 vdelay3 vwidth3 vdelay2 vwidth2 vdelay1 vwidth1 n/c vee1 gnd2 in2 in2* vee2 gnd3 in3 in3* vee3 gnd4 in4 33 32 31 30 29 28 27 26 25 24 23 e728ahf 44 pin mqfp w / internal heat spreader 10 mm x 10 mm body size 40 41 42 43 44 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 28 27 26 25 24 23 22 21 20 19 18 out1 out1* gnd2 out2 out2* gnd3 out3 out3* gnd4 out4 out4* in1* in1 gnd1 n/c n/c comp2 rext2 drvmode n/c s1 gnd1 in4* vee4 vdelay4 vwidth4 vdelay3 vwidth3 vdelay2 vwidth2 vdelay1 vwidth1 n/c vee1 gnd2 in2 in2* vee2 gnd3 in3 in3* vee3 gnd4 in4 39 38 37 36 35 34 33 32 31 30 29 e728ahj 44 pin plcc w / internal heat spreader e728ahj 44-pin plcc w/internal heat spreader e728ahf 44-pin mqfp w/internal heat spreader
4 ? 2000 semtech corp. www .semtech.com high-performance products ?ate edge728 circuit description chip overview the edge728 is a quad delay line and deskew element offering a 8.0 ns minimum delay (tspan), where the vdelay inputs adjust the overall propagation delay of the part. in addition, the parts support a separate rising and falling edge delay of 750 ps (twidth), where the vwidth inputs control the falling edge delay. there is also a drive mode, where the channel 2 input drives all four edge728 outputs, with all other inputs ignored. the edge728 is designed to be monotonic and very stable in all modes of operation. figure 1 shows a simplified block diagram. figure 1. edge728 block diagram operating modes the edge728 has two modes of operation (described in table 1. ) table 1. delay ranges versus mode mode 0 mode 0 is a simple delay mode (see figures 2 and 3). the input signal for each channel is delayed by some programmable amount determined by the analog input vdelay. the rising and falling edges are delayed equally. the vwidth analog input has no function in mode 0, and should be connected to device gnd when used exclusively in this mode. the propagation delay for a rising and falling edge is defined as tpd+, tpd? = tpd(min) + tspan where tpd(min) is the raw propagation delay of the part with minimum programmed delay, and tspan is the additional delay programmed via the vdelay inpu t. 00 s n 0 . 8 = >a / n 21 s n 0 . 8 = >s p 0 5 7 figure 2. mode 0 vdelay control out1, out1* vdelay1 vwidth1 in1, in1* ? t out2, out2* vdelay2 vwidth2 in2, in2* ? t out3, out3* vdelay3 vwidth3 in3, in3* ? t out4, out4* vdelay4 vwidth4 in4, in4* ? t drvmode tpdmin tpdmin tspan tspan input output (vdelay = minimum) output (vdelay = maximum)
5 ? 2000 semtech corp. www .semtech.com high-performance products ?ate edge728 circuit description (continued) figure 3. mode 0 functional diagram analog delay inputs vdelay and vwidth are high input impedance analog voltage inputs which control the delay of the rising and falling edge. vwidth can vary from ?.1v to ?.1v, and vdelay can vary from ?.2v to ?.1v. when both inputs are ?.1v, a maximum delay results. if mode 0 is used, connect all vwidth inputs to gnd. also, connect any unused vdelay and vwidth inputs to gnd. mode 2 mode 2 allows independent adjustment of the rising and falling edges (see figures 4 and 5). the propagation delay for a rising edge is defined as tpd+ = tpd(min) + tspan where tpd(min) is the raw propagation delay of the part with minimum programmed delay, and tspan is the additional delay programmed via the vdelay input. the propagation delay for a falling edge is defined as tpd? = tpd(min) + tspan + twidth where twidth is defined as the additional delay incurred by adjusting the vwidth input. notice that twidth can be either positive or negative, allowing the part to either expand or contract an input signal (see figure 4). notice also that tpd+ is a function of vdelay only, while tpd?is a function of vdelay and vwidth. the transfer function for tspan vs. vdelay is shown for both modes in figure 4. the transfer function for twidth vs. vwidth and vdelay is shown in figure 6. rext2 rext2 is an analog current input used to establish the bias current of the delay cells. an external resistor of 2.74 k ? should be connected between rext2 and ground. the voltage on rext2 is forced to ~ ?.34v, producing an input current of (1.34v) / 2.74 k ? = 489 a. comp2 comp2 is an op amp compensation pin and requires an external capacitor of 0.01 f (x7r type) connected to either vee or ground. out1, out1* in1, in1* vdelay1 ? t in2, in2* ? t in3, in3* ? t in4, in4* ? t out2, out2* vdelay2 out3, out3* vdelay3 out4, out4* vdelay4
6 ? 2000 semtech corp. www .semtech.com high-performance products ?ate edge728 circuit description (continued) figure 5. function model in mode 2 out1, out1* vwidth1 in1, in1* vdelay1 ? t out2, out2* vwidth2 vdelay2 ? t out3, out3* vwidth3 vdelay3 ? t out4, out4* vwidth4 vdelay4 ? t in2, in2* in3, in3* in4, in4* programming sequence vdelay, in addition to affecting the placement of the rising edge, also affects the falling edge. therefore, when calibrating a system, vdelay should be adjusted first. as vwidth affects only the falling edge, it should be adjusted only after vdelay is established. figure 4. mode 2 vdelay and vwidth controls input output vwidth = minimum vwidth = maximum tpdmin + tspan tpdmin + tspan + twidth
7 ? 2000 semtech corp. www .semtech.com high-performance products ?ate edge728 circuit description (continued) figure 6. mode 2 transfer function +1,500 +1,200 +900 +600 +300 0 ?00 ?00 ?00 ?,200 ?,500 ?.2 ?.1 ?.65 vwidth = maximum setting vwidth = nominal setting vwidth = minimum setting min delay vdelay [v] max delay twidth [ps]
8 ? 2000 semtech corp. www .semtech.com high-performance products ?ate edge728 circuit description (continued) drive mode with drvmode = 1, the input signal on channel 2 will be routed to all edge728 delay paths. in drive mode, operating mode 0 and 2 still offer the same delay range and edge control features. the only difference is that the input signal now comes from channel 2, while all other inputs (in1 / in1*, in3 / in3*, and in4 / in4*) are ignored. figures 7 and 8 show a simplified model for drive mode. figure 7. edge728 drive mode for operating mode 0 figure 8. edge728 drive mode for operating mode 2 out1, out1* vdelay1 ? ? ? ? out2, out2* vdelay2 out3, out3* vdelay3 out4, out4* vdelay4 in2, in2* out1, out1* vwidth1 vdelay1 ? out2, out2* vwidth2 vdelay2 ? out3, out3* vwidth3 vdelay3 ? out4, out4* vwidth4 vdelay4 ? in2, in2*
9 ? 2000 semtech corp. www .semtech.com high-performance products ?ate edge728 application information power up initialization note: mode 2 uses an sr flip-flop at the output stage; mode 0 does not. therefore, upon power-up in mode 2, or when operating modes are being changed into mode 2, the sr flip-flop is in an indeterminate state and the output may not reflect the input condition. a rising or falling edge that propagates through the channel will correctly reset the part. therefore, in mode 2, a dummy edge should be applied before calibration or real time execution. notice also that in mode 0 there are no flip-flops. the outputs will, therefore, always reflect the status of the inputs. pecl operation it is possible to use the part with positive voltage supplies. gnd becomes vcc and vee becomes gnd. all voltages are then referenced off of the positive supply level. analog voltage inputs the vwidth input has a normal operating range between ?.1v and ?.1v, and the vdelay input has a normal operating range between ?.2v and ?.1v. however, the on-board esd diodes are rated to allow the direct connection of a voltage dac that can range from +7.5v to ?v, through a resistance of 600 ? , with no damage r e t e m a r a pl o b m y sn i mp y tx a ms t i n u e c n a t s i s e r l a m r e h t r e d a e r p s t a e h / w c c l p r i a o t n o i t c n u j r i a l l i t s w o l f r i a f o m p f l 0 5 w o l f r i a f o m p f l 0 0 4 ? w / c ? w / c ? r e d a e r p s t a e h / w p f q m r i a o t n o i t c n u j r i a l l i t s w o l f r i a f o m p f l 0 5 w o l f r i a f o m p f l 0 0 4 ? w / c ? w / c ? e s a c o t n o i t c n u j ? package thermal data
10 ? 2000 semtech corp. www .semtech.com high-performance products ?ate edge728 package information pin descriptions 4x 4 4 d d a d2 3 3 0.25 c a C b d e e e2 see detail "a" top view d1 e1 5 7 5 7 5 2 7 z d z e 4x 0.20 c a C b d c o o bottom view //-//
11 ? 2000 semtech corp. www .semtech.com high-performance products ?ate edge728 package information (continued) a, b, d 3 detail "a" e a2 a1 0.13 r. min. 0.40 min. 0 min. ? 0 C 7 ? c c 0.13 / 0.30 r. l 1.60 ref. gage plane 0.10 s C 0.25 detail "b" 12 C 16 1.41 ref. see detail "b" ? 12 C 16 ? a h c 2 0.076 8 0.13 / 0.23 0.13 / 0.17 12 base metal with lead finish b b 1 ccc m s s a C b d c section c-c ///// / //////// /////// //// /////// /////// / ////// /////// /////// ///////// /////// n is the total # of terminals. 7. package top dimensions are smaller than bottom dimensions by 0.20 mm, and top of package will not overhang bottom of package. 8. dimension b does not include dambar protrusion. allowable dambar protrusion shall be 0.08 mm total in excess of the b dimension at maximum material condition. dambar cannot be located on the lower radius or the foot. 9. all dimensions are in millimeters. 10. maximum allowable die thickness to be assembled in this package family is 0.635 millimeters. 11. this drawing conforms to jedec registered outline ms-108. 12. these dimensions apply to the flat section of the lead between 0.10 mm and 0.25 mm from the lead tip. l o b m y sn i mm o nx a me t o ns t n e m m o c a5 1 . 25 3 . 2b c p e v o b a t h g i e h 1 a0 1 . 05 1 . 05 2 . 0e c n a r a e l c b c p 2 a5 9 . 10 0 . 20 1 . 2s s e n k c i h t y d o b dc s b 0 2 . 3 14 1 dc s b 0 0 . 0 15h t g n e l y d o b 2 df e r 0 0 . 8 d zf e r 0 0 . 1 ec s b 0 2 . 3 14 1 ec s b 0 0 . 0 15h t d i w y d o b 2 ef e r 0 0 . 8 e zf e r 0 0 . 1 l3 7 . 08 8 . 03 0 . 1 n4 46t n u o c n i p e0 8 . 0h c t i p d a e l b0 3 . 05 4 . 08 1 b0 3 . 00 3 . 00 4 . 0 a a a6 1 . 0
12 ? 2000 semtech corp. www .semtech.com high-performance products ?ate edge728 package information (continued) 44 pin plcc package notes: (unless otherwise specified) 1. dimensions are in inches [millimeters]. 2. tolerances are: .xxx
13 ? 2000 semtech corp. www .semtech.com high-performance products ?ate edge728 recommended operating conditions absolute maximum ratings r e t e m a r a pl o b m y sn i mp y tx a ms t i n u d n u o r g e c i v e dd n g 000v y l p p u s r e w o p e v i t a g e ne e v9 . 4 2 . 5 5 . 5 v e g n a r e g a t l o v t u p n i g o l a n a ) 4 1 ( y a l e d v ) 4 1 ( h t d i w y a l e d _ n i v h t d i w _ n i v 1 . 1 1 . 1 2 . 0 1 . 0 v v e r u t a r e p m e t e s a cc t5 5 6c ? s t u p n i g o l a n a n o t n e r r u c p m a l c t u p n ii l c 5 1 5 1 +a m r e t e m a r a pl o b m y sn i mp y tx a ms t i n u ) d n g o t e v i t a l e r ( e e v 0 . 6 4 . 0v n i p l a t i g i d y n a n o e g a t l o v 4 . 0 e e v4 . 0v n i p g o l a n a y n a n o e g a t l o v 4 . 0 e e v4 . 0v s t u p n i g o l a n a n o t n e r r u c p m a l c t u p n i ) 4 1 ( h t d i w v , ) 4 1 ( y a l e d v i l c 0 2 0 2 +a m t n e r r u c t u p t u o 0 5 0a m e r u t a r e p m e t g n i t a r e p o t n e i b m aa t5 5 5 2 1c ? e r u t a r e p m e t e g a r o t ss t5 6 0 5 1c ? e r u t a r e p m e t n o i t c n u jj t0 5 1c ? s n o i t i d n o c g n i r e d l o s s d n o c e s 0 2 = < r o f g n i r e d l o s g n i r u d e r u t a r e p m e t d a e l 5 8 2c ? s d n o c e s 5 1 = < r o f g n i r e d l o s g n i r u d e r u t a r e p m e t e s a c 5 2 2c ? n w o d r o p u p m a r e r u t a r e p m e t 4 4 +c e s / c ?
14 ? 2000 semtech corp. www .semtech.com high-performance products ?ate edge728 dc characteristics r e t e m a r a pl o b m y sn i mp y tx a ms t i n u ) * 4 n i / 4 n i * 1 n i / 1 n i ( s t u p n i l a i t n e r e f f i d e g a t l o v h g i h t u p n i l a t i g i d* n i n i0 5 2v m e g a t l o v w o l t u p n i l a t i g i dn i * n i0 5 2v m e g n a r e d o m n o m m o c t u p n il i v , h i v0 . 2 5 . 0 v ) 1 s , e d o m v r d ( s t u p n i d e d n e - e l g n i s e g a t l o v h g i h t u p n i l a t i g i d h i v0 7 0 1 0v m e g a t l o v w o l t u p n i l a t i g i dl i ve e v0 5 4 1 v m ) x a m h i v = n i v ( t n e r r u c h g i h t u p n ih i i1 5 . 10 5 2a ) n i m l i v = n i v ( t n e r r u c w o l t u p n il i i1 00 5 1a s t u p t u o e g a t l o v h g i h t u p t u o l a t i g i d* t u o t u o0 0 5 . 00 . 1v e g a t l o v w o l t u p t u o l a t i g i dt u o * t u o0 0 5 . 03 5 7 . 00 . 1v e g n a r e d o m n o m m o c t u p t u o* t u o + t u o 2 5 . 1 3 . 1 1 . 1 v t n e r r u c y l p p u s e e ve e i0 2 3 0 5 2 a m s t u p n i g o l a n a ) 4 1 ( h t d i w v , ) 4 1 ( y a l e d v ) v 1 . 1 , v 1 . 0 @ d e t s e t ( t n e r r u c t u p n in i i0 5 1a 2 t x e r t a l e v e l e g a t l o v2 t x e v5 5 . 1 4 3 . 1 5 2 . 1 v ) 1 e t o n ( t n e i c i f f e o c e r u t a r e p m e t ? ? 1 .c ? / a test conditions: all outputs terminated with 50 ? 2.0 v in parallel with 5 pf. tested @ vee = 4.9v and vee = 5.5v. rext2 = 2.74k ? ? c case temperature range.
15 ? 2000 semtech corp. www .semtech.com high-performance products ?ate edge728 ac characteristics r e t e m a r a pl o b m y sn i mp y tx a ms t i n u n o i t a r e p o 2 d n a 0 s e d o m ) v 1 . 1 o t 2 . 0 m o r f y a l e d v ( e g n a r y a l e d e l b a m m a r g o r p n a p s t5 2 . 84 . 90 . 3 1s n ) 1 e t o n ( h t d i w e s l u p m u m i n i m v 1 . 1 = h t d i w v , v 1 . 1 = y a l e d v @n i m w p8 . 1s n ) 1 e t o n ( y c n e u q e r f g n i t a r e p o m u m i x a m v 1 . 1 = h t d i w v , v 1 . 1 = y a l e d v @x a m f0 5 20 6 2z h m ) 1 e t o n ( ) % 0 8 / % 0 2 ( e m i t l l a f / e s i r t u p t u of t / r t2 3 20 0 3s p n o i t a i r a v y a l e d n o i t a g a p o r p e g d e g n i l l a f / e g d e g n i s i r ) 0 e d o m , 1 e t o n ( d p t | + d p t |5 10 3s p ) 2 , 1 s e t o n ( t n e i c i f f e o c e r u t a r e p m e t v 2 . 0 = < y a l e d v = < v 1 . 1 v 1 . 0 = < h t d i w v = < v 1 . 1 ? ? ? / s p v 2 . 0 = < y a l e d v = < v 1 . 1 v 1 . 0 = < h t d i w v = < v 3 . 1 ? ? ? / s p r o r r e g n i m i t l a t o t ) 1 e t o n ( ) t u p n i e h t t a s n 3 . 2 = > e s l u p y n a r o f ( h t d i w e s l u p . s v ) 1 y c n e u q e r f . s v ) 2 e l c y c y t u d . s v ) 3 k l a t s s o r c l e n n a h c o t l e n n a h c ) 4 v 2 . 0 = < y a l e d v = < v 1 . 1 ) 5 v 2 . 0 = < h t d i w v = < v 1 . 1 ) 6 ? 5 5 +s p r o r r e g n i m i t l a t o t ) 1 e t o n ( ) t u p n i e h t t a s n 8 . 1 = > e s l u p > s n 3 . 2 y n a r o f ( h t d i w e s l u p . s v ) 1 y c n e u q e r f . s v ) 2 e l c y c y t u d . s v ) 3 k l a t s s o r c l e n n a h c o t l e n n a h c ) 4 v 2 . 0 = y a l e d v ) 5 v 1 . 0 = < h t d i w v < v 2 . 0 ) 6 ? 5 7 +s p ) 1 e t o n ( r e t t i j d e c u d n i y l p p u s r e w o p k p - o t - k p v m 0 0 1 < z h m 2 = < f = < z h 5 r r s p s p 0 3 s p 5 k p - o t - k p 1
16 ? 2000 semtech corp. www .semtech.com high-performance products ?ate edge728 ac characteristics (continued) r e t e m a r a pl o b m y sn i mp y tx a ms t i n u n o i t a r e p o 0 e d o m ) v 2 . 0 = y a l e d v ( y a l e d n o i t a g a p o r p n i m d p t5 9 . 32 . 5s n n o i t a r e p o 2 e d o m ) v 2 . 0 = y a l e d v ( y a l e d n o i t a g a p o r p n i m d p t5 1 . 44 . 5s n t s e t h t d i w e s l u p t u p t u o s n 0 . 0 1 = h t d i w e s l u p t u p n i v 1 . 0 = h t d i w v v 1 . 1 = y a l e d v w p5 . 65 2 . 75 . 8s n t s e t h t d i w e s l u p t u p t u o s n 0 . 0 1 = h t d i w e s l u p t u p n i v 3 . 1 = h t d i w v v 2 . 0 = y a l e d v w p5 . 1 11 . 2 10 . 4 1s n test conditions: all outputs terminated with 50 ? 2.0 v in parallel with 5 pf. tested @ vee = 4.9v and vee = 5.5v. rext2 = 2.74k ? ? c case temperature range.
17 ? 2000 semtech corp. www .semtech.com high-performance products ?ate edge728 ordering infor mation contact infor mation semtech corporation high-performance division 10021 willow creek rd., san diego, ca 92131 phone: (858)695-1808 fax (858)695-2633 r e b m u n l e d o me g a k c a p f h a 8 2 7 ep f q m n i p 4 4 r e d a e r p s t a e h l a n r e t n i / w e z i s y d o b m m 0 1 x m m 0 1 t - f h a 8 2 7 ep f q m n i p 4 4 r e d a e r p s t a e h l a n r e t n i / w e z i s y d o b m m 0 1 x m 0 1 ) l e e r d n a e p a t ( j h a 8 2 7 e c c l p n i p 4 4 r e d a e r p s t a e h l a n r e t n i / w 8 2 7 de i d
18 ? 2000 semtech corp. www .semtech.com high-performance products ?ate edge728 current revision date: july 12, 2001 previous revision date: april 26, 2001 # e g a pe m a n n o i t c e sn o i s i v e r s u o i v e r p n o i s i v e r t n e r r u c 4 1s c i t s i r e t c a r a h c c a0 . 8 : n i m , e g n a r y a l e d e l b a m m a r g o r p 5 2 . 8 : n i m , e g n a r y a l e d e l b a m m a r g o r p t n e i c i f f e o c e r u t a r e p m e t 4 : x a m , v 2 . 0 = < y a l e d v = < v 1 . 1 t n e i c i f f e o c e r u t a r e p m e t 5 . 4 : x a m , v 2 . 0 = < y a l e d v = < v 1 . 1 s p 4 , s p 4 2 : x a m , r e t t i j d e c u d n i y l p p u s r e w o p s p 5 , s p 0 3 : x a m , r e t t i j d e c u d n i y l p p u s r e w o p 1 . 5 : x a m , 1 . 4 : n i m , y a l e d n o i t a g a p o r p 0 e d o m 2 . 5 : x a m , 5 9 . 3 : n i m , y a l e d n o i t a g a p o r p 0 e d o m 5 2 . 5 : x a m , 5 2 . 4 : n i m , y a l e d n o i t a g a p o r p 2 e d o m 4 . 5 : x a m , 5 1 . 4 : n i m , y a l e d n o i t a g a p o r p 2 e d o m revision histor y current revision date: april 26, 2001 previous revision date: april 17, 2001 # e g a pe m a n n o i t c e sn o i s i v e r s u o i v e r p n o i s i v e r t n e r r u c 4 1s c i t s i r e t c a r a h c c a r e t t i j d e c u d n i y l p p u s r e w o p k p - o t - k p v m 0 5 1 < r e t t i j d e c u d n i y l p p u s r e w o p k p - o t - k p v m 0 0 1 < current revision date: november 14, 2001 previous revision date: july 12, 2001 # e g a pe m a n n o i t c e sn o i s i v e r s u o i v e r p n o i s i v e r t n e r r u c 4 1s c i t s i r e t c a r a h c c a : d d a n o i t a i r a v y a l e d n o i t a g a p o r p e g d e g n i l l a f / e g d e g n i s i r current revision date: february 18, 2002 previous revision date: november 14, 2001 # e g a pe m a n n o i t c e sn o i s i v e r s u o i v e r p n o i s i v e r t n e r r u c l l ao f n i e g a k c a p : d d a e g a k c a p c c l p n i p 4 4

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