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vl - fs - mdls20265d - 04 rev. c (mdls20265d - lv - led04) sep/2004 page 2 of 13 document revision history 1: document revision from to date description changed by checked by 0.0 0.0 b c 2001.03.05 2002.10.18 2004/09/08 the specification was modified from mdls20265 - ss - lv - led04(doc. rev. 0.0, 1998.06.25). items 1 to 5 were updated: (based on the test specification: vl - ts - mdls20265d - xx, rev. f, 2002.04.09) 1.)(whole document) the number of pages , points and table were updated. 2.)(page 1 & 4) ?preliminary specification? was changed to ?specification?. 3.)(page 8, table 5) supply voltage (lcd), supply current (logic & lcd), supply current (lcd), and supply voltage of backlight were updated. 4.)(pa ge 11,point 5.3) figure 4 was updated. 5.)(page 12, point 6) character generator rom (ks0066u - 10b) was added. items 1 to 5 were updated: (based on a.) test specification: vl - ts - mdls20265d - xx, rev. o, 2004.07.10) b.) vl - qua - 012a, rev. w, 2004.03.20 acco rding to vl - qua - 012a, lcd size is small because unit per laminate=24 which is more than 6pcs/laminate. 1.) (page 3,contents) was updated. 2.) (page 5,figure 1) module specification was updated. 3.) (page7. point 4.1) was updated. form electrical maximum ra tings (ta=25 c) to electrical maximum ratings - for ic only 4.) (page 8, point 5.1 table 5) was updated. 5.) (page 13, point 7,8,) was added. philip cheng philip cheng zhang xiao lan k.p.ho tom lee frank wang .com .com .com .com .com 4 .com u datasheet
vl - fs - mdls20265d - 04 rev. c (mdls20265d - lv - led04) sep/2004 page 3 of 13 contents page no. 1. general description 4 2. mechanical specifications 4 3. interface signals 6 4. absolute maximum ratings 7 4.1 electrical maximum ratings ? for ic only 7 4.2 environmental condition 7 5. electrical specifications 8 5.1 typical electrical c haracteristics 8 5.2 timing specifications 9 5.3 timing diagram of vd d against v0 11 6. character generator rom (ks0066u - 10b) 12 7 . lcd cosmetic accepta nce criteria 13 8 . remark 13 .com .com .com .com .com 4 .com u datasheet
vl - fs - mdls20265d - 04 rev. c (mdls20265d - lv - led04) sep/2004 page 4 of 13 varitronix limited specification of lcd module type item no.: mdls20265d - 04 1. general description 20 characters x 2 lines stn lv4 transflective positive yellow - green dot matrix lcd module. viewing angle: 6 o?clock direction. driving duty: 1/16 duty, 1/5 bias. ?samsung? ks0066up - 10bcc (die) lcd controller & driver or equivalent. ?samsung? ks0 065b - pcc (die) lcd segment drivers or equivalent. yellow - green led04 backlight. 2. mechanical specifications the mechanical detail is shown in fig. 1 and summarized in table 1 below. table 1 parameter specifications unit outline dimensions 116.0(w) x 37.0(h) x 14.0 max.(d) mm viewing area 83.0(w) x 18.6(h) mm display format 20 characters x 2 lines - character size 3.20(w) x 5.55(h) (5 x 8 dots) mm character spacing 0.50(h ) x 0.40(h) mm character pitch 3.70(w) x 5.95(h) mm dot size 0.60(w) x 0.65(h) mm dot spacing 0.05(w) x 0.05(h) mm dot pitch 0.65(w) x 0.70(h) mm weight: tbd grams .com .com .com .com .com 4 .com u datasheet
vl - fs - mdls20265d - 04 rev. c (mdls20265d - lv - led04) sep/2004 page 5 of 13 figure 1: specification of the mdls20265d - eht - led04 module. .com .com .com .com .com 4 .com u datasheet
vl - fs - mdls20265d - 04 rev. c (mdls20265d - lv - led04) sep/2004 page 6 of 13 3. interface signals table 2 pin no. symbol description 1 vss ground (0v). 2 vdd power supply for logic (+5v). 3 v0 power supply for lcd driver. 4 rs register select input: ?high? for data register (for read and write) ?low? for instruction register (for write), busy flag, address counter (for read) 5 r/w read/write signal: ?hi gh? for read mode. ?low? for write mode. 6 e enable . start signal for data read /write. 7 db0 data input/output (lsb). 8 db1 data input/output. 9 db2 data input/output. 10 db3 data input/output. 11 db4 data input/output. 12 db5 data input/output. 13 db6 data input/output. 14 db7 data input/output (msb). 15(a) led(+) anode of backlight. 16(k) led( - ) cathode of backlight. .com .com .com .com .com 4 .com u datasheet
vl - fs - mdls20265d - 04 rev. c (mdls20265d - lv - led04) sep/2004 page 7 of 13 4. absolute maximum ratings 4.1 electrical maximum ratings - for ic only table 3 parameter symbol min. max. unit powe r supply voltage (logic) vdd - vss - 0.3 +7.0 v power supply voltage (lcd drive) vlcd =vdd ? v0 - 0.3 +15.0 v input voltage vin - 0.3 vdd+0.3 v note: the modules may be destroyed if they are used beyond the absolute maximum ratings. all voltage values are referenced to vss = 0v. 4.2 environmental condition table 4 item operating temperature (topr) storage temperature (tstg) remark min. max. min. max. ambient temperature 0 c +50 c - 10 c +60 c dry humidity 95% max. rh for ta 40 c < 95% rh for ta > 40 c no condensation vibration (iec 68 - 2 - 6) cells must be mounted on a suitable connector frequency: 10 ~ 55 hz amplitude: 0.75 mm duration: 20 cycles in each direction. 3 directions shock (iec 68 - 2 - 27) half - sine pulse shape pulse duration : 11 ms peak acceleration: 981 m/s 2 = 100g number of shocks : 3 shocks in 3 mutually perpendicular axes. 3 directions .com .com .com .com .com 4 .com u datasheet
vl - fs - mdls20265d - 04 rev. c (mdls20265d - lv - led04) sep/2004 page 8 of 13 5. electrical spec ifications 5.1 typical electrical characteristics at ta = 25 c, vdd = 5v 5%, vss=0v. table 5 parameter symbol conditions min. typ. max. unit supply voltage (logic) vdd - vss 4.75 5.0 5.25 v supply voltage (lcd) vlcd =vdd ? v0 vdd = 5v, not e (1) 3.9 4.2 4.5 v v ih1 ?high? level 2.2 - vdd v input signal voltage (except osc1) v il1 ?low? level - 0.3 - 0.6 v character mode, vdd = 5v - 1.0 1.5 ma supply current (logic & lcd) idd checker board mode, vdd = 5v - 1.1 1.6 ma character mode, vdd = 5v, note (1) - 0.2 0.3 ma supply current (lc d) i0 checker board mode, vdd = 5v, note (1) - 0.2 0.3 ma supply voltage of yellow - green led04 backlight vled forward current =180ma number of led dies =36 4.0 4.1 4.2 v note (1) : there is toleranc e in optimum lcd driving voltage during production and it will be within the specified range. .com .com .com .com .com 4 .com u datasheet
vl - fs - mdls20265d - 04 rev. c (mdls20265d - lv - led04) sep/2004 page 9 of 13 5.2 timing specifications at ta = 0 c to +50 c , vdd = +5v 5%, vss = 0v. refer to fig. 2 , the bus timing diagram for write mode. table 6 parameter sy mbol min. max. unit e cycle time tc 500 - ns e rise/fall time t r ,t f - 20 ns e pulse width(high, low) t w 230 - ns r/w and rs setup time t su1 40 - ns r/w and rs hold time t h1 10 - ns data set - up time t su2 80 - ns data hold time t h2 10 - ns refer to fig. 3 , the bus timing diagram for read mode. table 7 parameter symbol min. max. unit e cycle time tc 500 - ns e rise/fall time t r ,t f - 20 ns e pulse width(high, low) t w 230 - ns r/w and rs setup time t su 40 - ns r/w and rs hold time t h 10 - ns data output delay time t d - 120 ns data hold time t dh 5 - ns .com .com .com .com .com 4 .com u datasheet
vl - fs - mdls20265d - 04 rev. c (mdls20265d - lv - led04) sep/2004 page 10 of 13 figure 2 : write mode timing diagram figure 3 : read mode timing diagram .com .com .com .com .com 4 .com u datasheet
vl - fs - mdls20265d - 04 rev. c (mdls20265d - lv - led04) sep/2004 page 11 of 13 5.3 timing diagram of vdd against v0. power on sequence shall meet the requirement of figure 4, the timing diagram of vdd against v0. vdd 0v 0v v0 95% 50ms(typical) logic supply voltage lcd supply voltage figure 4: timing diagram of vdd against v0. .com .com .com .com .com 4 .com u datasheet
vl - fs - mdls20265d - 04 rev. c (mdls20265d - lv - led04) sep/2004 page 12 of 13 6. character generator rom (ks0066u - 10b) .com .com .com .com .com 4 .com u datasheet
vl - fs - mdls20265d - 04 rev. c (mdls20265d - lv - led04) sep/2004 page 13 of 13 7. lcd cosmetic conditions a.) reference document follow vl - qua - 012a. b.) lcd size of the product is small. 8. remark: a. identification labels will be stuck on the module without obstructing the viewing area of display, b. varitronix does not responsible for any polarizer defect after the protective film has been removed from the d isplay. ?varitronix limited reserves the right to change this specification.? fax:(852) 2343 - 9555. url:http://www.varitronix.com - end - .com .com .com .com 4 .com u datasheet

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