lsi lsi- 6014 5 digit count-down timer features * 5 digit lcd display * range from 1 ? 999minute count down * fixed time duration by bonding option * easy to use and control * direct drive 1/2 bias 1/3 duty lcd * very low power consumption * 32768 crystal oscillator * single 1.5v operation. general description the lsi6014 is a universal count down timer with 5 digit display, mmm:ss. the maximum minute range is from 0-999 minutes. it can also be progra mmed in fixed timer mode in which many fixed duration has already been programmed into the lsi60 14 and the user can select the timer range by bonding option. the lsi6014 directly drive a 1/2 duty 1/3 bias lcd. it has a very low current consumption and is suitable for timer application.
lsi lsi-6014 2 functional description power up at power up, the lsi6014 turns on all lcd a nd output 3 beep sounds and then display the select ed time range by bonding option. key operation the lsi6014 has five key operation m100, m10, m1, start and reset keys. for ease of operation, the final product can have 2 to 5 key operation depending on the usage. keys description setting range start, reset 2 key fixed time (bonding option) coun t down timer start, reset, m1 3 key count down timer with/withou t preset value by bonding option. 1 ? 9 minutes (step 1 minute) start, reset, m1,m10 4 key count down timer with/without preset value by bonding option. 1 ? 99 minutes (step 1 minute) start, reset, m1,m10,m100 5 key count down timer with/without preset value by bonding option. 1 ? 999 minutes (step 1 minute) press m100/m10/m1 adds 100/10/1 to the setting valu e. after the setting is finished, press start starts t he countdown timer. by the end of count down, the system output 10 beep sounds and then display the selected duration selected by bonding option. the bonding option opt[0:4] is used to set the def ault value. the bonding option default value is shown in the following table. opt0 opt1 opt2 opt3 opt4 munutes v v v v v 0 v g v v v 1 v v g v v 2 v g g v v 3 v v v g v 4 v g v g v 5 v v g g v 6 v g g g v 7 v v v v g 8 v g v v g 9 v v g v g 10 v g g v g 11 v v v g g 12 v g v g g 13 v v g g g 14 v g g g g 15 opt0 opt1 opt2 opt3 opt4 munutes g v v v v x g g v v v 20 g v g v v 25 g g g v v 30 g v v g v 35 g g v g v 40 g v g g v 45 g g g g v 50 g v v v g 55 g g v v g 60 g v g v g 75 g g g v g 90 g v v g g 105 g g v g g 120 g v g g g 150 g g g g g 180 note : v - connected to vdd, g - connected to gn d.
lsi lsi-6014 3 pin assignment designation type description bd [0:1] output buzzer output f512, vcap output doubler output vee output -1.5v t1, t2, t3 input test pin cosco output 32khz oscillator output cosci input 32khz oscillator input vdd power +1.5v power supply gnd power ground m100/m10/m1 input(ph) input key opt[0:4] input(ph) bonding option start/reset input(ph) input key c[1:3] output lcd common output s[1:16] output lcd segment output note: (ph) - pull high; (od)-open drain
lsi lsi-6014 4 absolute maximum ratings supply voltage vdd - vss..........................0 to 5v input voltage vin.................................v ss to vdd operating temperature top .............-10 c to 60 c storing temperature tst ...................-40 c to 70 c comments stress above those listed under } absolute maximum ratings? may cause permanent damage to the device. these are stress rating only. functional operation of this device at these or any other conditions above those indicated in the opera tional sections of this specification is not impli ed and exposure to absolute maximum rating conditio ns for extended periods may affect device reliability. d.c. electrical characteristics (gnd = 0v, vdd = 1.5v, ta = 25 c unless otherwise specified) parameter symbol min. typ. max. unit conditions supply voltage vdd 1.2 1.5 1.8 v operating current idd - 2 6 a no load osc. built-in cap cd - 20 - pf osc. trimmer cap ctrim 5 - 35 pf frequency stability ^f/f - - 10 ppm vdd=1.6-1.4 buzzer output current ibd 500 - - a vbd-vss=0.5 lcd frequency flcd - 64 - hz segment current ilcd 0.15 - - a vseg=0.2v common current icom 3.0 - - a vcom=0.2v
lsi lsi-6014 5 pad coordinate pad x( ? m) y( ? m) pad x( ? m) y( ? m) gnd vcap vee v512 c3 c2 c1 s1 s2 s3 s4 s5 s6 s7 s8 s9 s10 s11 s12 s13 s14 s15 s16 -1295.0 -1295.0 -1295.0 -1295.0 -1295.0 -1295.0 -1295.0 -1295.0 -1295.0 -1295.0 -1295.0 -1295.0 -1295.0 -1295.0 -1295.0 -1295.0 -1295.0 -1295.0 -1295.0 -1303.0 -1163.0 -1023.0 -883.0 -1394.0 -1251.0 -1110.0 -965.0 -825.0 -685.0 -545.0 -400.0 -260.0 -120.0 +20.0 +160.0 +300.0 +440.0 +580.0 +720.0 +860.0 +1000.0 +1140.0 +1350.0 +1350.0 +1350.0 +1350.0 pb r2 r1 r0 osco osci t1 gnd b1 b0 vdd t2 x1 m100 m10 m1 opt0 t3 start reset opt1 opt2 opt3 opt4 -743.0 -593.0 -449.0 -225.0 -75.0 +1105.0 +1246.0 +1246.0 +1246.0 +1246.0 +1246.0 +1246.0 +1246.0 +1246.0 +1246.0 +1246.0 +1246.0 +1246.0 +1246.0 +1246.0 +1246.0 +1246.0 +1246.0 +1246.0 +1350.0 +1350.0 +1350.0 +1350.0 +1350.0 +1340.0 +1340.0 +1140.0 +988.0 +678.0 +543.0 +395.0 +226.0 +78.0 -70.0 -216.0 -365.0 -513.0 -661.0 -809.0 -957.0 -1105.0 -1253.0 -1400.0
lsi lsi-6014 6 pad location
lsi lsi-6014 7 application circuit
lsi lsi-6014 8 lcd pinout lcd table pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 name c3 c2 c1 s1 s2 s3 s4 s5 s6 s7 s8 s9 s10 s11 s12 s13 s14 s15 s16 c1 / / c1 f4 a4 b4 / f3 a3 b3 / f2 a2 b2 / f1 a1 b1 / c2 / c2 / e4 g4 c4 / e3 g3 c3 / e2 g2 c2 : e1 g1 c1 / c3 c3 / / d4 / / / d3 / a0 / d2 b0 g0 c0 d1 d0 e0 f0
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