NATIONAL SENICOND {LOGIC} O2E D B eso1.ee o043603 0 I 7-43-45 .725 54/74125 54LS/74LS125A QUAD BUS BUFFER GATE (With 3-State Outputs) ORDERING CODE: See Section 9 CONNECTION DIAGRAM pin | COMMERCIAL GRADE] MILITARYGRADE | xq PKGS | our] Tee settee | Ta s-s5c to +i25c | TYPE Pi a A |74125PC, 74L8125APC 9A cera A 1|74125DC, 74LS$125ADC |54125DM, 54LS125ADM | 6A Fletpak A |74125FC, 74LS125AFC |54125FM, S4LS125AFM | 3) INPUT LOADING/FAN-OUT: See Section 3 for U.L. definitions PINOUT A EG] = 14] Voc of ia} sof Lge Efa 11] 0 a3) acl Lg eno 7] rajo TRUTH TABLE INPUTS | OUTPUT El ob L fe L L|H H H| Xx z PINS 54/74 (U.L.) 54/74LS (U.L.) HIGH/LOW HIGH/LOW H = HIGH Voltage Level L = LOW Voltage Level Inputs 1.0/1.0 0.5/0.25 X = Immaterial Outputs 130/10 65/15 2 = High Impedance (50) (25)A7.5) DC AND AC CHARACTERISTICS: See Seciton 3* SYMBOL PARAMETER 54/74 | S4/74L8 | Units CONDITIONS Min Max{Min Max XM_ | 2.4 lou = -2.0 mA xXxC | 2.4 lon = -5.2 mA Voc = Min, Vou Output HIGH Voltage XM 2.4 Vv lon = -1.0 mA] VIN = Vin or ViL XC 2.4 1OH = -2.6 MA | Output Short XM | -30 -70}-30 -130 mA Veo =M os Circuit Current XC | -28 -70|-30 -130 co = Max Outputs OFF, Vin = Gnd 1 , cc Power Supply Current 54 20 mA Ve = 4.5 V, Voc = Max tPLH Propagation Delay 13 15 . {PHL Data to Output 18 18 ns Figs. 3-3, 3-5 tpZzH : 7 16 . tpzi Output Enable Time 25 25 ns Figs. 3-3, 3-11, 3-12 tPLz r . : 8.0 25 . tpriz Output Disable Time 12 25 ns Figs, 3-3, 3-11, 3-12 DC limits apply over operating temperature range; AC limits apply at Ta = +25C and Vcc = +5.0 V. 1201 B-06 4-169 SHOES X