114 5485 7485 4-Bit Magnitude Comparator Schottky TTL High-Speed TTL Low-Power Schottky TTL Standard TTL Low-Power TTL Package Package Package Package Package Device Type Device Type Device Type Device Type ==] Device Type C| P| MICF C!P| MICE C/P|MiCF C|P|MICF C|P|MICF T SN54S85 Ja) WC SNSA4L S85 JQ Wily SN5485 i Wa SN54L85 J SN74S85 JING SN74L S85 JpND SN7485 Janne SLTAL85 J 2iNi2 RCI 4 FM5485,/ FM9385 og) FAI LD FC7485 / FC9385, Po MOTOROLA MC 7485 PA NSC DMS4LS85 3 DMB54L 85 se@fneay [Fz pte DM74L $85 a DM7485, IN DM74L85 Jalna} f= 2 PHILIPS N74S85 a N74L S85 t N7485 $5485 SIGNETICS N74S85 lA N74L S85 AD N7485, SIEMENS FLHa31 FUJITSU [_ 74L $85 Men MB448 ria HITACH HD74L $85 Pui HO 7485 TPH MITSUBISHI [777-55 Bu MTaL SBS Tpant 53285 PD NEC ePB2085 pu TOSHIBA Electrical Characteristics SN54LS85/SN74LS85 Pin Assignments (Top View) absolute maximum raings over operating free-air temperature range @ @ Supply voltage. VOC Vv Opcrating free-air SN54L5 | "oto 125C DATA INPUTS INPUTS OUTPUTS INPUTS Input voltage ra temperature range SN?74LS cto 70C Yoo A3 B2 A2 Al BI AO BOY Yoo A3 B3. A>B 4&8 Bo AO Br Interemitter voltage (see Note) 5.5V Storage temperature range 65C to 150C we lfistf iat dis fie tp [bao Ly 9 [| [0 | 9 . og T T nn a 7 recommended opering conditions | | I Ll | | | | i AZ B2 AZ Al Bl AO AZ B3 A>B AB BO Aa SN54LS85 SN74LS85 | UNIT | OUTPUTS OUTPUT MIN NOM MAX | MIN NOM MAX 83 BO Be BI Supply voltage. Voc 4.5 5 5.5 | 4.75 5 5.25 v acs AB A7BA>BA-B AcB A BAxP AGBA B ! iN, IN OUT OUT OUT . High-level output current low = 400 400] A Ty T T AZ wie INPUT INPUTINOUT A | Low-level output current, ig. 4 8] mA i | | oe Operating free-temperature, Ta -55 125 0 70) c 2 3 6 1 a 6 & . . . B3 Az = TR AGB, A-B A> 7 electrical characterics over recommended oprating pata SBA TB AS 8 0B ATG ASE. ONC BAe ag MOB ACB A=B Al GND free-air temperature range INPUT CASCADING INPUTS OUTPUTS INPUTS. CASADING INPUTS PARAMETER # [TEST CONDITIONSt | MIN TYP MAX | UNIT positive logic: see tunction tables Positive logic: see function tables Vin High-level input voltage 2 v Function Table cae Low-level input voltage 0.8 Vv COMPARING CASCADING Vi____ Input clamp voltage Voo=MIN, 1 =~ l8mA rst Vv MPARIN OUTPUTS VacuMINo y= BV INPUTS INPUTS VoH High-level output vortage yea av. ire agona | 2h 84 v K3,B3lAz, B2 1A1, BTJA0. BOIASB A<B A=Bl|A>B AcBA=B =0.8V, = 400% nea Ma rT A3 >B3 x x x Tx x x H u L Voy Low-level output voltage yee ay We hms oz 8600.4] vv A3<B3| X x x x x x L 4 L Woy. . = L Ou o A3=B3|/A2>B2| Xx x x xX x H book nput current }A <B, ADB inputs : h Hy) at maximum Vog=MAX, vy TV +_ mA AZ=B3|A2<B2} xX x x x x L 4 u Input voltage {ali other input 0.3 A3=B82|A2=B2/A1>B1 x x x x K L L A s 20 A3=B3)A2=B x x x L La] L Ne High-leve! [A<B. ADB inputs Voge MAX V=2.7V doa 3 3 21A1<B1 x | Input current fall other inputs 60 A3=83/A2=B2/A1 =B1/A0>B0 x x x H - L -leve mut 0.4 A3=B3|A2=B2\A; =B1 |A0<BO x x x L H L moe level [A <B, A>Binguts VocE MAX. v)"0.4V nA \ lit np all other imputs . o 1.2 A3=B3)A2=B2/A1=B) |A0=B0/ H L L H - I current A3=B3/A2=82/A1=B1/A0=Bo! L H L L H L Yoo MAX SN54L $85 20 100 _ _ _ | los Short- ctreuit output current ce mA A3=B3|A2=B2/A1 =B1 |AQ=B80 L L H u L Hy Vgor0 SN74L S85 20 = !00 85. S85 L885 oc Supply current Vog MAX. See Note 0-8 20} ma AGES ADSO2 Ai aE Ao=BOy x X a c 0 A from Any A or B data input | oa A3=B3|/A2=B82|A1=B1/A0=80! H H L L L L to output A<B ADB ei A3=B3jA2=B2|A1=B)|An=Bo} L L L 4 H L IPLH 3 24 36 \ fp sw OS L85 tom Any A or B data input 4 27 45 A3=83|A2=B2/A1=B)1 |A0=60 L H H | t H H 2 cute ASB ___ : 7 Aj=B3/A2=82 A =81[A0-B0/ HO LH How oH from Any A or B data input Voo=5 NUMBER 7 A3=B31A2=B2|A1=B81|A0=B0 H H H H H H to output ACB 708 ~| Tare jOF ; oe A3=H31A2=82/A1=B1/Ag=80| H HL | HoH OL TPHL | from Any A or B data v1pu CL ispr GATE A3=83/A2-B2/A1-81|Ao=B0| LLL book kt to output A +8 AL = ake Levers |4 23 a8) Ste me 7 nee tpLH |tromA<B or A-B ! 4 22[ ns tPHL to outpul AXB [i Wo 7 rs tPLH from A=B 2 13 20; ns IPHL. to output AB 2 13 26 ns 1PLH from A> B cr A-B | 14 22 ns tPHL to output A<B | il 7] ons NOTE :lg 1s measured with outputs open, A= 8B grounded, and all other inputs at 4.5V tor conditens shown as MINor MAX. use the appropriate value specifed unded cnder secommendea operating canuitions for e applicabie tye $A typical valus are at Vog SV. Ta Use @Not more than one output shoud be shorted al a time CONTINUED ON NEXT PAGL *tPLH propagation delay time, low-to-high-le se! output CRA PHL propagagation delay jay lime. high-to-low evel output , ed