74LS26

7426 54LS/74LS26 QUAD 2-INPUT NAND BUFFER (W ith O p en-C o llecto r Outputs) 26 CONNECTION DIAGRAM PINOUT A ORDERING CODE: See Section 9 PKGS PIN OUT COMMERCIAL GRADE Vcc = +5.0 V ±5%, Ta = 0°C to +70° C MILITARY GRADE Vcc = +5.0 V ±10%, Ta = -55° C to +125° C PKG TYPE Plastic DIP (P) A 7426PC, 74LS26PC 9A Ceramic DIP (D) A 7426DC, 74LS26DC 54LS26DM 6A Flatpak (F) A 7426FC, 74LS26FC 54LS26FM 3I INPUT LOADING/FAN-OUT: See Section 3 for U.L. definitions PINS 54/74 (U.L.) HIGH/LOW 54/74LS (U.L.) HIGH/LOW O O ” *■ oo Inputs Outputs 0.5/0.25 OC**/5.0 (2.5) DC AND AC CHARACTERISTICS: See Section 3* SYMBOL PARAMETER 54/74 54/74LS UNITS Min Max Min Max lOH Output HIGH Current 50 1000 50 mA 1000 ICCH ICCL tPLH tPHL Power Supply Current Propagation Delay 8.0 1.6 mA 22 4.4 24 17 22 18 ns *DC limits apply over operating temperature range; AC limits apply at Ta = +25° C and Vcc = +5.0 V. **O C — Open Collector CONDITIONS VOH =1 2 V Voh = 1 5 V Vin = Gnd Vin = Open Figs. 3-2, 3-4 Vcc = Min Vin = Vil Vcc = Max ...