device operating temperature range package semiconductor technical data color television composite video overlay synchronizer ordering information MC1378p MC1378fn t a = 0 to +70 c plastic dip plcc44 pin connections order this document by MC1378/d fn suffix plastic package case 777 (plcc44) p suffix plastic package case 711 40 1 1 * ( ) plcc pin assignments local/rem. h. pll filter h. vco burst gate out pal/ntsc mode ground 3.58/4.43 in chroma pll filter chroma vco ry clamp by clamp r input g input b input y output chroma out loc. vid. clamp chroma in h. sync in comp. sync out v. out/sync in clock pll filter clock v cc clock ground clock vco killer filter quad. loop filter pal indent. cap v cc comp. vid. out ground overlay enable clock output rem. vid. in acc filter y input rem. vid. clamp 10 (11) 11 (12) 12 (13) 13 (14) 14 (15) 15 (16) 16 (18) 1 (1) 2 (2) 3 (3) 4 (4) 5 (5) 6 (7) 7 (8) 8 (9) 9 (10) 17 (19) 18 (20) 19 (21) 20 (22) (34) 31 (33) 30 (32) 29 (31) 28 (30) 27 (29) 26 (44) 40 (43) 39 (42) 38 (41) 37 (40) 36 (38) 35 (37) 34 (36) 33 (35) 32 (27) 25 (26) 24 (25) 23 (24) 22 (23) 21 1 motorola analog ic device data
the MC1378 is a bipolar composite video overlay encoder and microcomputer synchronizer. the MC1378 contains the complete encoder function of the mc1377, i.e., quadrature color modulators, rgb matrix, and blanking level clamps, plus a complete complement of synchronizers to lock a microcomputerbased video source to any remote video source. the MC1378 can be used as a local system timing and encoding source, but it is most valuable when used to lock the microcomputer source to a remotely originated video signal. ? contains all needed reference oscillators ? can be operated in pal or ntsc mode, 625 or 525 line ? wideband, fullfidelity color encoding ? local or remote modes of operation ? minimal external components ? designed to operate from 5.0 v supply ? will work with non standard video figure 1. simplified application 36mhz master clock h sync 3.58/4.43mhz vert/comp sync red green blue video enable local/remote video system MC1378 remote video composite overplayed video 525/60 625/50 pal/ ntsc ? motorola, inc. 1996 rev 0
MC1378 2 motorola analog ic device data maximum ratings rating symbol value unit supply voltage v cc 6.0 vdc operating temperature t a 0 to +70 c storage temperature t stg 65 to +150 c junction temperature t j(max) 150 c power dissipation, package derate above 25 c p d 1.25 10 w mw/ c recommended operating conditions condition pin value unit supply voltage 28, 36 5.4 0.25 vdc rgb input for 100% saturation 14, 15, 16 1.0 vpp color oscillator input level 8 0.5 vpp video input, positive 24 1.0 vpp electrical characteristics (v cc = 5.0 v, t a = 25 c, circuit of figure 4 or 5) characteristics pin min typ max unit supply current 28, 36 100 madc video output, open circuit, positive 27 2.0 9.4 v pp modulation angle (r y) to (b y) 87 90 93 degrees rgb input impedance 14, 15, 16 10 k w local/remote switch (ttl) high low 1 remote local horizontal sync input, negative going (ttl) 40 4.3 v pp vertical sync output, negative going, remote mode (ttl) 38 4.3 v pp composite sync output, negative going (ttl) 39 4.3 v pp burst gate output, positive going (ttl) 5 4.3 v pp description of operation refer to figures 3, 4 remote mode local mode the incoming remote video signal (pin 24) supplies all synchronizing information. a discussion of the function of the phase detectors helps to clarify the lockup method: the MC1378 and a video system combine to provide a fully synchronized standard signal source. in this case, composite sync must be supplied by the video system or other time base system. in the MC1378 the phase detectors operate as follows: pd1 ? locks the internally counteddown 4 mhz horizontal vco to the incoming horizontal sync. it is fast acting, to follow vcr source fluctuations. pd1 ? locks the internally counteddown 4 mhz horizontal vco to a horizontal sync signal (at pin 40) from the video system (counted down from 36 mhz) pd2 ? locks the 36 mhz clock vco, which is divided down by the video system, to the divided down horizontal vco. pd2 ? not used in local mode. pd3 ? not used in local mode. pd3 ? is a gated phase detector which locks the 14 mhz crystal oscillator, divided by 4, to the incoming color burst. pd4 ? active, but providing an arbitrary phase shift setting between the color oscillator and the output burst phase. pd4 ? controls an internal phase shifter to assure that the outgoing color burst is the same phase as incoming burst at pd3. pd5 ? not used in remote mode pd5 ? locks the 36 mhz clock vco (which is divided down by the video system) to the 14 mhz (crystal) color oscillator. the 14 mhz is, therefore, the system standard in local mode, and is not dc controlled. vertical lock is obtained by continuously resetting the sync generator in the video system with separated vertical sync from the MC1378, pin 38. this signal is ttl level vertical block sync, negative going. the horizontal sync from the video system to pin 40 is also ttl level with sync negative going. the local/remote switch, pin 1, is in local mode when grounded, remote mode when taken to 5.0 v. the overlay control, pin 25, has an analog characteristic, centered about 1.0 v, which allows fading from local to remote. composite video generation the color encoding at the rgb signals is done exactly as in the mc1377. composite chroma is looped out at pins 18 and 20 to allow the designer to choose band shaping. luminance is similarly brought out (pins 17 and 22) to permit installation of the appropriate delay. composite sync output, pin 39, and burst gate output, pin 5, are provided for convenience only.
MC1378 3 motorola analog ic device data +5.0 v 28 4 3 2 40 39 1 38 4 mhz cer res h sync in comp sync out vert. out comp. sync in local/remote 7/26 21 24 29 31 27 25 19 23 18 20 22 17 y out y in chroma in chroma out overlay enable video out v cc remote video in gnd rgb in pal/ ntsc 14.32/ 17.73 mhz 35.8/ 35.5 mhz clock gnd 34 33 32 9 11 10 6 12 13 14 15 16 36 35 37 8 30 5 burst gate out 35.8/4.43 mhz in clock out v cc +5.0 v clock clock vco pd5 burst flag decoder burst flag decoder divide by 256 counter horiz vco pd2 pd1 pd3 pd4 4xsc vco pal/ntsc cont color diff and luma matrix by ry b y clamp ry clamp ry by mod mod divide by 4 ring counter 0 180 phase shift 90270 phase shift acc det kill det kill proc ident proc ident det pal f/f local video clamp fast video switch l clamp video bg remote video clamp vert sync sep comp sync sep loc/rem switches l r l r l r h bg br r l r l l r v ref acc amp h/2 bg figure 2. figure 2. representative block diagram
MC1378 4 motorola analog ic device data figure 3. remote mode 0.01 4 mhz cer res 17 36mhz clock 12 overlay enable 3456 78910111213141516 181920 21 23 24 25 27 28 29 30 31 32 33 3 35 36 37 38 39 40 26 22 4 master clock 35.8/35.5mhz v. sync 0.033 video out 1.0 m f 0.001 0.001 0.3 m h 0.1 0.1 470k 10 m f 75 0.1 47k 47 0.047 36pf comp sync out h sync + + ++ + 1.2k 1.2k 0.001 220 100/62 47/33 3.3k 0.1 0.1 14.32/ 17.73 mhz 20pf 0.001 ntsc pal 15 680 0.022 1.0 r g b + + + + + + 2275 2270 local video source 10 m f 1.0 m f 1.0 m f tdk sdl4301 1.0 m f toko 166nnf 10264ag 10 m f 10 m f 10 m f local/ remote (high) burst gate out 2.2 k remote video in + 5 v cc 1.8k 1.0 m f 0.0047 figure 4. local mode 4 mhz cer res 17 36mhz clock 12 overlay enable 3 4 5 6 7 8 9 10 1112 1314 1516 1819 20 21 23 24 25 27 28 29 30 31 32 33 3 35 36 37 38 39 40 26 22 4 master clock 35.8/35.5mhz composite sync 0.033 video out 1.0 m f 0.001 0.001 0.3 m h 0.1 0.1 470k 75 0.1 47k 47 0.047 36pf comp sync out h sync + + ++ 1.2k 1.2k 0.001 220 100/62 47/33 3.3k 0.1 0.1 14.32/ 17.73mhz 20pf 0.001 ntsc pal 15 680 0.022 1.0 r g b + + + + + + 2275 2270 local video source 1.0 m f 1.0 m f tdk sdl4301 1.0 m f toko 166nnf 10264ag 10 m f 10 m f 10 m f local/ remote (high) burst gate out 2.2 k 0.01 + 5 v cc 10 8 1.8k 0.0047
MC1378 5 motorola analog ic device data outline dimensions notes: 1. positional tolerance of leads (d), shall be within 0.25 (0.010) at maximum material condition, in relation to seating plane and each other. 2. dimension l to center of leads when formed parallel. 3. dimension b does not include mold flash. 1 20 40 21 b a c seating plane d f g h k n m j l dim min max min max inches millimeters a 51.69 52.45 2.035 2.065 b 13.72 14.22 0.540 0.560 c 3.94 5.08 0.155 0.200 d 0.36 0.56 0.014 0.022 f 1.02 1.52 0.040 0.060 g 2.54 bsc 0.100 bsc h 1.65 2.16 0.065 0.085 j 0.20 0.38 0.008 0.015 k 2.92 3.43 0.115 0.135 l 15.24 bsc 0.600 bsc m 0 15 0 15 n 0.51 1.02 0.020 0.040 n l m d y d k v w 1 44 brk b z u x view dd s lm m 0.007(0.180) n s t s lm m 0.007(0.180) n s t g1 s lm s 0.010 (0.25) n s t k1 f h s lm m 0.007(0.180) n s t z g g1 r a e j view s c s lm m 0.007(0.180) n s t s lm m 0.007(0.180) n s t 0.004 (0.10) t seating plane view s s lm s 0.010 (0.25) n s t s lm m 0.007(0.180) n s t notes: 1. datums l, m, and n are determined where top of lead shoulder exits plastic body at mold parting line. 2. dimension g1, true position to be measured at datum t, seating plane. 3. dimensions r and u do not include mold flash. allowable mold flash is 0.010 (0.25) per side. 4. dimensioning and tolerancing per ansi y14.5m, 1982. 5. controlling dimension: inch. 6. the package top may be smaller than the package bottom by up to 0.012 (0.300). dimensions r and u are determined at the outermost extremes of the plastic body exclusive of mold flash, tie bar burrs, gate burrs and interlead flash, but including any mismatch between the top and bottom of the plastic body. 7. dimension h does not include dambar protrusion or intrusion. the dambar protrusion(s) shall not cause the h dimension to be greater than 0.037 (0.940). the dambar intrusion(s) shall not cause the h dimension to be smaller than 0.025 ( 0.635 ) . dim min max min max millimeters inches a 0.685 0.695 17.40 17.65 b 0.685 0.695 17.40 17.65 c 0.165 0.180 4.20 4.57 e 0.090 0.110 2.29 2.79 f 0.013 0.019 0.33 0.48 g 0.050 bsc 1.27 bsc h 0.026 0.032 0.66 0.81 j 0.020 0.51 k 0.025 0.64 r 0.650 0.656 16.51 16.66 u 0.650 0.656 16.51 16.66 v 0.042 0.048 1.07 1.21 w 0.042 0.048 1.07 1.21 x 0.042 0.056 1.07 1.42 y 0.020 0.50 z 2 10 2 10 g1 0.610 0.630 15.50 16.00 k1 0.040 1.02 p suffix plastic package case 71103 issue c fn suffix plastic package case 77702 (plcc44) issue c
MC1378 6 motorola analog ic device data motorola reserves the right to make changes without further notice to any products herein. motorola makes no warranty, representation 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. atypicalo parameters which may be provided in motorola data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. all operating parameters, including atypicalso 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 components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which 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 distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that motorola was negligent regarding the design or manufacture of the part. motorola and are registered trademarks of motorola, inc. motorola, inc. is an equal opportunity/affirmative action employer. how to reach us: usa / europe / locations not listed : motorola literature distribution; japan : nippon motorola ltd.; tatsumispdjldc, 6f seibubutsuryucenter, p.o. box 20912; phoenix, arizona 85036. 18004412447 or 6023035454 3142 tatsumi kotoku, tokyo 135, japan. 038135218315 mfax : rmfax0@email.sps.mot.com touchtone 6 022446609 asia / pacific : motorola semiconductors h.k. ltd.; 8b tai ping industrial park, internet : http://designnet.com 51 ting kok r oad, tai po, n.t., hong kong. 85226629298 MC1378/d ?
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