165 54145 /74145 BCD-to-Decimal Decoder /Driver with Open-Collector Output (15V Output) Schottky TTL High-Speed TTL Low-Power Schottky TTL | Standard TTL Low-Power TTL a eT ee a NE. - vee eit 1 a c ' Package Package Package Package Package Device Type -7= Device Type Device Type Device Type Device Type 5 CIPI MICF Ci PIMICF C{P{ MICE Ci PIMICE [cl Pl mice TI i SNSALS 145 Jd Wa] SN54145 J WL a I SN74L S185 J UIND SN74145 JUIN F M54145/F M93145 [D1 FAIRCHILD - oe . | OT Tr crass 693145 [pe Po MC 54145 Ly a fd a , ee -- {f MOTOROLA : 1 MC 74154 a en 7 DMS4145 JL Ww N.S. . ~T ~T DM74145 UND, Wo PHILIPS [ [Niisias vf N45 i 854145 FD ty Pp a we L4. 4 fp ee SIGNETICS N74 S145 A N74145 L SIEMENS ft ppt - peu pe FUJITSU em Tracers Mi, MB 443 Tha _{ a eed pp pe 4 4 pt HITACHI 1 4074145 HD2555 | DPD ~p ft} ft MITSUBISHI M74L S145 ae 453345 i NEC TOSHIBA st. + [ Electrical Characteristics SNS4LS 145/SN74LS145 7 . FUNCTION TABLE absolute maximum ratings over operating free-air temperature range 145 Supply voltage, Voc TV | Operating free-air | snsais 55C to 125C NO. INPUTS OUTPUTS Input voltage W temperature range SN74LS. oc to 70C Oc BAO 1 2345678 9 Storage temperatute. range -B5C io 150C Oye tL LE LYE H H HOH HH H HOH . tye tc t& H{H t H HH KH HH HH recommended operating condi tions 2 Lot oH t 1H H LH H H H H HH SN54145 SN74145 3 {L L H H/H H H L H HH H HH MIN NOM MAX | MIN Nom max | ON'T 4ojbe HE tPA OH RK OW LOH HK OH HOH Supply voltage, Voc 45 5 5.5| 4.75 5 $.25| Vv BS yk HL HJR HO HK HOH L HO HH HY Off-state output voltage 5 15 Vv 6 tL H KR L IH H H H H H H H H Operating free-air temperature. T a -55 125 ct 70 c 7 Lb oH KH H/]H H H H H H HL H H ; ee H LH H HH electrical characteristics over recommended operating 8 hob 4 HOH H LH . HL tL H|H H HH H HH HHL free-air temperature range PARAMETER TEST CONDITIONS t MIN TYP? MAX | UNIT RR RR Bos o | H HJH H HH HH HM HH Vint High-level input voltage 2 v 5 H H LC LTH HH HH WH HH HW =z Vin Low-level input voltage 0.8 v 2 4H H LC HIH HH H HH HH HH vi Input clamp voltage Voc =MIN, tj) =~ 18mA -1.S v ~ HHH LCIH HHH HH HHA HR veo=MN lo (on) = 80mA 2.3 3 H H H H{H H H HH H H H HH . IH = 2, Vo(on) On-state output voltage Vy =0.8v | 'OCon)=24mA 0.35 o.5{ V H =high tevel (off), L slow level (on) Voo= = Vo(ott) Off-siate output voltage ve MIN, VI =2V. 15 v . . IL =0.8V. lo (oft) =2504A Functional Block Diagram Input current at maximum y Voo=MAX, Vi=7V 0.1 | mA input voltage U1 ouTpuT a Wi High-level input current Voc =MAX, 20] uA 45) INPUT A Ue Low-level input current Voc MAX. . -0.4[ mA i s Supply current Yoo =MAX. | SN54L S145 i BT nA our ce y See Note SN74 LS 145 7 at i 'PLH Propagation delay tme, low- to = ~ output 2 hi 2 50] as igh-level output Veo=5V. Ta =25c Propagation delay time, high CL =450F. Ry = 66: } (ay IPHL pag al Lee L = 6658 50] ns INPUT 8 ie mS 4 yp OUTPUT 3 to-low-level output . . . Si Pin Assignment (Top View) Lott fi OUTPUT 4 , iNPUTS oureuTs 3 t 4 {6} outputs co "a 8 c o 3 8 ? INPUT G -< x why ist tas ppas witlu 10 9 fp z OUTPUT 6 q Kote ; A 8 c D cy ~~ ouTeUT 7 INPUT D De ? BCD-TO-DECIMAL, I} 4 (ia OUTPUT 8 o1e 3456789 _y f iit) | | Li OUTPUT 9 1 2 al : | al 5 Al if ? I 3 Pr 145 BCD-TO-DECIMAL DECODER /DRIVER wo 2 3 4 s & GND positive logic OUTPUTS see function table NOTE: tog is measured with ail inputs grounded and outputs open. t For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions for the appticable type All typical values are at Voc =5V, Ba =2s'c.