1 cmos logic ic ELM7S00B 2 - input nand gate elm7s 0 0 b - el a b c g e neral description ELM7S00B is cmos 2-input nand gate ic. it realizes high speed operation similar to ls-ttl with lower power consumption by cmos features. the inner circuit structure of 3-stage logic gate obtains wider noise immunity and constant output. f eatures applica tion selection guide elm7s 00 b- el symbol a function 00 : 2 - input nand gate b product version b c taping d irection el : ref er to pkg file maximum a bsolute ratings parameter symbol limit unit power supply voltage vdd - 0.5 to + 7.0 v input voltage vin - 0.5 to vdd + 0.5 v output voltage vout - 0.5 to vdd + 0.5 v input protection diode current iik 20 ma output parasitic diode current iok 20 ma output current iout 25 ma v dd /gnd current i dd , ig nd 2 5 ma power dissipation pd 200 mw storage temperature tstg - 65 to + 150 c ? cell phones ? digital cameras ? portable electrical appliances like pda, etc. ? computers and peripherals ? digital electrical appliances like lcd tv sets, dvd recorders/players, stb, etc. ? modi?cation inside print board, adjustment of timing, solution to noise ? same electrical characteristic as 74hc series (output current is around 1/2 of 74hc series) ? low consumption current : idd=1.0 a (max.)(top=25 c ) ? wide power voltage range : 2.0v to 6.0v ? high speed : tpd=5ns(typ.)(vdd=5.0v) ? symmetrical output impedance : | ioh | = i ol = 2ma (min.) (vdd=4.5v) ? small p ackage : sot - 25 3 -
2 cmos logic ic ELM7S00B 2 - input nand gate pin con?guration sot - 25 ( top view ) pin no. pin name 1 inb 2 ina 3 gnd 4 outx 5 v d d input output ina inb outx low low high low high high high low high high high low a c e l ectrical characteristics parameter sym. top=25 c unit condition min. typ. max. o utput transition time tt l h 4 10 ns refer to test circuit tth l 3 10 propagation delay-time tplh 5 15 ns refer to test circuit tp h l 5 15 cl =15pf , tr = tf =6ns, v dd =5v parameter sym. vdd top=25 c t op=-40 to + 85 c unit condition min. typ. max. min. max. o utput transition time tt l h 2.0 18 125 155 ns refer to test circuit 4.5 7 25 31 6.0 6 21 26 tthl 2.0 14 125 155 ns 4.5 6 25 31 6.0 6 21 26 propagation delay-time t p l h 2.0 16 100 125 ns refer to test circuit 4.5 8 20 25 6.0 7 17 21 t p h l 2.0 16 100 125 ns 4.5 6 20 25 6.0 5 17 21 input capacity cin 5 10 10 pf equivalent inner capacity cpd 10 pf cl =50pf , tr = tf =6ns s uggested operating condition parameter symbol limit unit power voltage vdd 2. 0 to 6.0 v input voltage vin 0 to vdd v output voltage vout 0 to vdd v operating temperature top - 40 to + 85 c high - input down -time tr, tf vdd = 2.0 v 0 to 1000 ns vdd = 4.5 v 0 to 500 vdd = 6.0 v 0 to 4 00 * cpd is ic's inner equivalent capacity which is calculated from non-loaded operating current consumption referred to test circuit. averaged operating current consumption at non load is cal culated as following formula: idd (opr) = cpd ? vdd ? fin + idd 3 -
3 dc e l ectrical characteristics parameter sym. vdd top=25 c t op=-40 to + 85 c unit condition min. typ. max. min. max. input voltage vi h 2.0 1.50 1.50 v 4.5 3.15 3.15 6.0 4.20 4.20 vil 2.0 0.50 0.50 v 4.5 1.35 1.35 6.0 1.80 1.80 output voltage voh 2.0 1.90 2.00 1.90 v vin = vih or vil ioh = - 20 a 4.5 4.40 4.50 4.40 6.0 5.90 6.00 5.90 4.5 4.18 4.36 4.13 ioh = - 2ma 6.0 5.68 5.84 5.63 ioh = - 2 . 6ma vol 2.0 0.00 0.10 0.10 v vin =vih iol = 20 a 4.5 0.00 0.10 0.10 6.0 0.00 0.10 0.10 4.5 0.11 0.26 0.33 iol = 2ma 6.0 0.13 0.26 0.33 iol = 2.6ma input current iin 6.0 - 0.1 0.1 - 1.0 1.0 a vin =vdd or gnd static current i dd 6.0 1.0 10.0 a vin =vdd or gnd test c ircuit measured wave pattern marking * o utput should be ope ned when measuring current consumption. sot - 25 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? symbol mark content a e elm7s series b 1 ELM7S00B c a to z (except i, o, x) lot no. 3 - cmos logic ic ELM7S00B 2 - input nand gate ? ? ?
|
