149 54125,/74125 Quadruple Bus Buffer Gate with Three-State Output electrical characteristics over recommended operating free-air temperature range PARAMETER TEST CONDITIONS f MIN TYP MAX | UNIT Vin High-level input voltage 2 v Vit Low-level input voltage O8] V vt Input clamp voltage Voc=MIN, 4) =18mA =l.S] V vee ie S4LS Family) 2.4 Von High-level output voltage VL =0.8V v , MLS Family} 2.4 lon =MAX VoL _Low-evel output voltage Yoo=MIN. Vin= 2. 0.35 O5, V Vil =0.8V. lol =MAX lotott) Off-state(high-+mpedance oN Vo=?-av 20 uA state) output current . Vo=o 4v 20 Vig =0.8V 4 Input current at Vog=MAX, Vy =7V o. mA maximum input voltage tin High-level input current Voc =MAX MH = 2.7V 201 yA Ihe Low-level input current Voc = MAX Vip =0.4V 0.4] mA los Short-circuit output current @ Voc =MAXx Sats Family} 90 226 mA T4LSFamily! 40 225. Vec=MAX. icc Supply current DATA INPUT =OV ul 20) mA OUTPUT CONTROL =4.5V 1d tPLH Propagation delay time, a 15 as Jow-to-high-level output Propagation delay tme. CL = 45PF. tPHL 1 18 | ns high-to-tuw-leval output Voc=5Vv Ryu = 667: tz} Output enable trme to hgh level Ta = 25 12 20 | ns tz~ Output enable tme to level 15 25 | ns [ tyyz Output disable time tromhigh level | CL SEF. 20 | ns 1LZ Output disable time trom low level R, 667 | 20, ns Schottky TTL High-Speed TTL Low-Power Schottky TTL Standard TTL Tow-Power TTL . Package . Package Package Package Package Device Type Device T: Device T i i ~ yp CIPI mice levice Type CIP IMicE evice Type CIP IMicer Device Type clP Micr Device Type le pilmice Tl SNS4525 JO wo] _ SN74(25 JOINO FAIRCHILD FAL S125 Pa MOTOROLA SN T4LS 125 Pa! DMS54t_S 125, NS.C. DM74L S125 OM74125 ND PHILIPS N7ALS 125 SIGNETICS em SIEMENS _ FUJITSU HITACHI HD 74125 Po MITSUBISHI M74125 PO NEC TOSHIBA Electrical Charistics SNS4LS125/SN74LS125 T absolute maximum ratings over operating free-air temperature range Supply voltage. Voc W Operating tree-ar SHSALS BSC to ASC Tnput vattage W temperature range [_sw7ats wc to WC Storage temperature range 65C to 150C recommended operating conditions Pin Assignment (Top View ) SN54L 5125 SN74L5125 waiN NOM MAX | MIN NOM Max | UNIT Supply voltage. Voc as 5 5.5 475 5 5.2 v High-level output current. lon ot 2.6 ah Low-teval outout current, oe, 12 24 mA Doerating free-air tcmperaure. Ta 55 125 0 cy ce Positive logic: YsA Output 1s off (disabled) when Cis high Schematic (each gate) My 4 OUTPUT 4k + CONTROL d Te 5 Y INPUT = - ' -- 4-- c i tod be = GND DATA INPUT = oe A "125 CIRCUIT Resistur values shown are nominal and in ohms. tFor conditions shown as MIN or MAX Sati typical values are at Veo =5V, Ta 25C Not more than one output should be shorted at a time use the appropriate vaiue specified under recommended oper ating conditions